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-rw-r--r--arch/arm/include/asm/unistd.h2
-rw-r--r--arch/arm/kernel/calls.S2
-rw-r--r--arch/blackfin/include/asm/unistd.h2
-rw-r--r--arch/blackfin/mach-common/entry.S2
-rw-r--r--arch/frv/Kconfig2
-rw-r--r--arch/frv/include/asm/perf_event.h (renamed from arch/frv/include/asm/perf_counter.h)10
-rw-r--r--arch/frv/include/asm/unistd.h2
-rw-r--r--arch/frv/kernel/entry.S2
-rw-r--r--arch/frv/lib/Makefile2
-rw-r--r--arch/frv/lib/perf_event.c (renamed from arch/frv/lib/perf_counter.c)8
-rw-r--r--arch/m68k/include/asm/unistd.h2
-rw-r--r--arch/m68k/kernel/entry.S2
-rw-r--r--arch/m68knommu/kernel/syscalltable.S2
-rw-r--r--arch/microblaze/include/asm/unistd.h2
-rw-r--r--arch/microblaze/kernel/syscall_table.S2
-rw-r--r--arch/mips/include/asm/unistd.h6
-rw-r--r--arch/mips/kernel/scall32-o32.S2
-rw-r--r--arch/mips/kernel/scall64-64.S2
-rw-r--r--arch/mips/kernel/scall64-n32.S2
-rw-r--r--arch/mips/kernel/scall64-o32.S2
-rw-r--r--arch/mn10300/include/asm/unistd.h2
-rw-r--r--arch/mn10300/kernel/entry.S2
-rw-r--r--arch/parisc/Kconfig2
-rw-r--r--arch/parisc/include/asm/perf_counter.h7
-rw-r--r--arch/parisc/include/asm/perf_event.h7
-rw-r--r--arch/parisc/include/asm/unistd.h4
-rw-r--r--arch/parisc/kernel/syscall_table.S2
-rw-r--r--arch/powerpc/Kconfig2
-rw-r--r--arch/powerpc/include/asm/hw_irq.h22
-rw-r--r--arch/powerpc/include/asm/paca.h2
-rw-r--r--arch/powerpc/include/asm/perf_event.h (renamed from arch/powerpc/include/asm/perf_counter.h)26
-rw-r--r--arch/powerpc/include/asm/systbl.h2
-rw-r--r--arch/powerpc/include/asm/unistd.h2
-rw-r--r--arch/powerpc/kernel/Makefile2
-rw-r--r--arch/powerpc/kernel/asm-offsets.c2
-rw-r--r--arch/powerpc/kernel/entry_64.S8
-rw-r--r--arch/powerpc/kernel/irq.c8
-rw-r--r--arch/powerpc/kernel/mpc7450-pmu.c2
-rw-r--r--arch/powerpc/kernel/perf_callchain.c2
-rw-r--r--arch/powerpc/kernel/perf_event.c (renamed from arch/powerpc/kernel/perf_counter.c)594
-rw-r--r--arch/powerpc/kernel/power4-pmu.c2
-rw-r--r--arch/powerpc/kernel/power5+-pmu.c2
-rw-r--r--arch/powerpc/kernel/power5-pmu.c2
-rw-r--r--arch/powerpc/kernel/power6-pmu.c2
-rw-r--r--arch/powerpc/kernel/power7-pmu.c2
-rw-r--r--arch/powerpc/kernel/ppc970-pmu.c2
-rw-r--r--arch/powerpc/kernel/time.c30
-rw-r--r--arch/powerpc/mm/fault.c8
-rw-r--r--arch/powerpc/platforms/Kconfig.cputype4
-rw-r--r--arch/s390/Kconfig2
-rw-r--r--arch/s390/include/asm/perf_counter.h10
-rw-r--r--arch/s390/include/asm/perf_event.h10
-rw-r--r--arch/s390/include/asm/unistd.h2
-rw-r--r--arch/s390/kernel/compat_wrapper.S8
-rw-r--r--arch/s390/kernel/syscalls.S2
-rw-r--r--arch/s390/mm/fault.c8
-rw-r--r--arch/sh/Kconfig2
-rw-r--r--arch/sh/include/asm/perf_counter.h9
-rw-r--r--arch/sh/include/asm/perf_event.h9
-rw-r--r--arch/sh/include/asm/unistd_32.h2
-rw-r--r--arch/sh/include/asm/unistd_64.h2
-rw-r--r--arch/sh/kernel/syscalls_32.S2
-rw-r--r--arch/sh/kernel/syscalls_64.S2
-rw-r--r--arch/sh/mm/fault_32.c8
-rw-r--r--arch/sh/mm/tlbflush_64.c8
-rw-r--r--arch/sparc/Kconfig4
-rw-r--r--arch/sparc/include/asm/perf_counter.h14
-rw-r--r--arch/sparc/include/asm/perf_event.h14
-rw-r--r--arch/sparc/include/asm/unistd.h2
-rw-r--r--arch/sparc/kernel/Makefile2
-rw-r--r--arch/sparc/kernel/nmi.c4
-rw-r--r--arch/sparc/kernel/pcr.c10
-rw-r--r--arch/sparc/kernel/perf_event.c (renamed from arch/sparc/kernel/perf_counter.c)178
-rw-r--r--arch/sparc/kernel/systbls_32.S2
-rw-r--r--arch/sparc/kernel/systbls_64.S4
-rw-r--r--arch/x86/Kconfig2
-rw-r--r--arch/x86/ia32/ia32entry.S2
-rw-r--r--arch/x86/include/asm/entry_arch.h2
-rw-r--r--arch/x86/include/asm/perf_event.h (renamed from arch/x86/include/asm/perf_counter.h)30
-rw-r--r--arch/x86/include/asm/unistd_32.h2
-rw-r--r--arch/x86/include/asm/unistd_64.h4
-rw-r--r--arch/x86/kernel/apic/apic.c6
-rw-r--r--arch/x86/kernel/cpu/Makefile2
-rw-r--r--arch/x86/kernel/cpu/common.c4
-rw-r--r--arch/x86/kernel/cpu/perf_event.c (renamed from arch/x86/kernel/cpu/perf_counter.c)504
-rw-r--r--arch/x86/kernel/cpu/perfctr-watchdog.c2
-rw-r--r--arch/x86/kernel/entry_64.S2
-rw-r--r--arch/x86/kernel/irqinit.c2
-rw-r--r--arch/x86/kernel/syscall_table_32.S2
-rw-r--r--arch/x86/mm/fault.c8
-rw-r--r--arch/x86/oprofile/op_model_ppro.c4
-rw-r--r--arch/x86/oprofile/op_x86_model.h2
-rw-r--r--drivers/char/sysrq.c4
-rw-r--r--fs/exec.c6
-rw-r--r--include/asm-generic/unistd.h4
-rw-r--r--include/linux/init_task.h14
-rw-r--r--include/linux/perf_event.h (renamed from include/linux/perf_counter.h)306
-rw-r--r--include/linux/prctl.h4
-rw-r--r--include/linux/sched.h12
-rw-r--r--include/linux/syscalls.h6
-rw-r--r--include/trace/ftrace.h10
-rw-r--r--init/Kconfig8
-rw-r--r--kernel/Makefile2
-rw-r--r--kernel/exit.c8
-rw-r--r--kernel/fork.c8
-rw-r--r--kernel/perf_event.c (renamed from kernel/perf_counter.c)2422
-rw-r--r--kernel/sched.c14
-rw-r--r--kernel/sys.c10
-rw-r--r--kernel/sys_ni.c2
-rw-r--r--kernel/sysctl.c22
-rw-r--r--kernel/timer.c4
-rw-r--r--kernel/trace/trace_syscalls.c6
-rw-r--r--mm/mmap.c6
-rw-r--r--mm/mprotect.c4
-rw-r--r--tools/perf/Makefile2
-rw-r--r--tools/perf/builtin-annotate.c28
-rw-r--r--tools/perf/builtin-record.c22
-rw-r--r--tools/perf/builtin-report.c48
-rw-r--r--tools/perf/builtin-sched.c20
-rw-r--r--tools/perf/builtin-stat.c10
-rw-r--r--tools/perf/builtin-timechart.c14
-rw-r--r--tools/perf/builtin-top.c12
-rw-r--r--tools/perf/builtin-trace.c22
-rw-r--r--tools/perf/design.txt58
-rw-r--r--tools/perf/perf.h12
-rw-r--r--tools/perf/util/event.h4
-rw-r--r--tools/perf/util/header.c6
-rw-r--r--tools/perf/util/header.h8
-rw-r--r--tools/perf/util/parse-events.c32
-rw-r--r--tools/perf/util/parse-events.h2
-rw-r--r--tools/perf/util/trace-event-info.c8
-rw-r--r--tools/perf/util/trace-event.h2
132 files changed, 2452 insertions, 2452 deletions
diff --git a/arch/arm/include/asm/unistd.h b/arch/arm/include/asm/unistd.h
index 9122c9ee18f..89f7eade20a 100644
--- a/arch/arm/include/asm/unistd.h
+++ b/arch/arm/include/asm/unistd.h
@@ -390,7 +390,7 @@
#define __NR_preadv (__NR_SYSCALL_BASE+361)
#define __NR_pwritev (__NR_SYSCALL_BASE+362)
#define __NR_rt_tgsigqueueinfo (__NR_SYSCALL_BASE+363)
-#define __NR_perf_counter_open (__NR_SYSCALL_BASE+364)
+#define __NR_perf_event_open (__NR_SYSCALL_BASE+364)
/*
* The following SWIs are ARM private.
diff --git a/arch/arm/kernel/calls.S b/arch/arm/kernel/calls.S
index ecfa98954d1..fafce1b5c69 100644
--- a/arch/arm/kernel/calls.S
+++ b/arch/arm/kernel/calls.S
@@ -373,7 +373,7 @@
CALL(sys_preadv)
CALL(sys_pwritev)
CALL(sys_rt_tgsigqueueinfo)
- CALL(sys_perf_counter_open)
+ CALL(sys_perf_event_open)
#ifndef syscalls_counted
.equ syscalls_padding, ((NR_syscalls + 3) & ~3) - NR_syscalls
#define syscalls_counted
diff --git a/arch/blackfin/include/asm/unistd.h b/arch/blackfin/include/asm/unistd.h
index c8e7ee4768c..02b1529dad5 100644
--- a/arch/blackfin/include/asm/unistd.h
+++ b/arch/blackfin/include/asm/unistd.h
@@ -381,7 +381,7 @@
#define __NR_preadv 366
#define __NR_pwritev 367
#define __NR_rt_tgsigqueueinfo 368
-#define __NR_perf_counter_open 369
+#define __NR_perf_event_open 369
#define __NR_syscall 370
#define NR_syscalls __NR_syscall
diff --git a/arch/blackfin/mach-common/entry.S b/arch/blackfin/mach-common/entry.S
index 01af24cde36..1e7cac23e25 100644
--- a/arch/blackfin/mach-common/entry.S
+++ b/arch/blackfin/mach-common/entry.S
@@ -1620,7 +1620,7 @@ ENTRY(_sys_call_table)
.long _sys_preadv
.long _sys_pwritev
.long _sys_rt_tgsigqueueinfo
- .long _sys_perf_counter_open
+ .long _sys_perf_event_open
.rept NR_syscalls-(.-_sys_call_table)/4
.long _sys_ni_syscall
diff --git a/arch/frv/Kconfig b/arch/frv/Kconfig
index b86e19c9b5b..4b5830bcbe2 100644
--- a/arch/frv/Kconfig
+++ b/arch/frv/Kconfig
@@ -7,7 +7,7 @@ config FRV
default y
select HAVE_IDE
select HAVE_ARCH_TRACEHOOK
- select HAVE_PERF_COUNTERS
+ select HAVE_PERF_EVENTS
config ZONE_DMA
bool
diff --git a/arch/frv/include/asm/perf_counter.h b/arch/frv/include/asm/perf_event.h
index ccf726e61b2..a69e0155d14 100644
--- a/arch/frv/include/asm/perf_counter.h
+++ b/arch/frv/include/asm/perf_event.h
@@ -1,4 +1,4 @@
-/* FRV performance counter support
+/* FRV performance event support
*
* Copyright (C) 2009 Red Hat, Inc. All Rights Reserved.
* Written by David Howells (dhowells@redhat.com)
@@ -9,9 +9,9 @@
* 2 of the Licence, or (at your option) any later version.
*/
-#ifndef _ASM_PERF_COUNTER_H
-#define _ASM_PERF_COUNTER_H
+#ifndef _ASM_PERF_EVENT_H
+#define _ASM_PERF_EVENT_H
-#define PERF_COUNTER_INDEX_OFFSET 0
+#define PERF_EVENT_INDEX_OFFSET 0
-#endif /* _ASM_PERF_COUNTER_H */
+#endif /* _ASM_PERF_EVENT_H */
diff --git a/arch/frv/include/asm/unistd.h b/arch/frv/include/asm/unistd.h
index 4a8fb427ce0..be6ef0f5cd4 100644
--- a/arch/frv/include/asm/unistd.h
+++ b/arch/frv/include/asm/unistd.h
@@ -342,7 +342,7 @@
#define __NR_preadv 333
#define __NR_pwritev 334
#define __NR_rt_tgsigqueueinfo 335
-#define __NR_perf_counter_open 336
+#define __NR_perf_event_open 336
#ifdef __KERNEL__
diff --git a/arch/frv/kernel/entry.S b/arch/frv/kernel/entry.S
index fde1e446b44..189397ec012 100644
--- a/arch/frv/kernel/entry.S
+++ b/arch/frv/kernel/entry.S
@@ -1525,6 +1525,6 @@ sys_call_table:
.long sys_preadv
.long sys_pwritev
.long sys_rt_tgsigqueueinfo /* 335 */
- .long sys_perf_counter_open
+ .long sys_perf_event_open
syscall_table_size = (. - sys_call_table)
diff --git a/arch/frv/lib/Makefile b/arch/frv/lib/Makefile
index 0a377210c89..f4709756d0d 100644
--- a/arch/frv/lib/Makefile
+++ b/arch/frv/lib/Makefile
@@ -5,4 +5,4 @@
lib-y := \
__ashldi3.o __lshrdi3.o __muldi3.o __ashrdi3.o __negdi2.o __ucmpdi2.o \
checksum.o memcpy.o memset.o atomic-ops.o atomic64-ops.o \
- outsl_ns.o outsl_sw.o insl_ns.o insl_sw.o cache.o perf_counter.o
+ outsl_ns.o outsl_sw.o insl_ns.o insl_sw.o cache.o perf_event.o
diff --git a/arch/frv/lib/perf_counter.c b/arch/frv/lib/perf_event.c
index 2000feecd57..9ac5acfd2e9 100644
--- a/arch/frv/lib/perf_counter.c
+++ b/arch/frv/lib/perf_event.c
@@ -1,4 +1,4 @@
-/* Performance counter handling
+/* Performance event handling
*
* Copyright (C) 2009 Red Hat, Inc. All Rights Reserved.
* Written by David Howells (dhowells@redhat.com)
@@ -9,11 +9,11 @@
* 2 of the Licence, or (at your option) any later version.
*/
-#include <linux/perf_counter.h>
+#include <linux/perf_event.h>
/*
- * mark the performance counter as pending
+ * mark the performance event as pending
*/
-void set_perf_counter_pending(void)
+void set_perf_event_pending(void)
{
}
diff --git a/arch/m68k/include/asm/unistd.h b/arch/m68k/include/asm/unistd.h
index 946d8691f2b..48b87f5ced5 100644
--- a/arch/m68k/include/asm/unistd.h
+++ b/arch/m68k/include/asm/unistd.h
@@ -335,7 +335,7 @@
#define __NR_preadv 329
#define __NR_pwritev 330
#define __NR_rt_tgsigqueueinfo 331
-#define __NR_perf_counter_open 332
+#define __NR_perf_event_open 332
#ifdef __KERNEL__
diff --git a/arch/m68k/kernel/entry.S b/arch/m68k/kernel/entry.S
index 922f52e7ed1..c5b33634c98 100644
--- a/arch/m68k/kernel/entry.S
+++ b/arch/m68k/kernel/entry.S
@@ -756,5 +756,5 @@ sys_call_table:
.long sys_preadv
.long sys_pwritev /* 330 */
.long sys_rt_tgsigqueueinfo
- .long sys_perf_counter_open
+ .long sys_perf_event_open
diff --git a/arch/m68knommu/kernel/syscalltable.S b/arch/m68knommu/kernel/syscalltable.S
index 0ae123e0898..23535cc415a 100644
--- a/arch/m68knommu/kernel/syscalltable.S
+++ b/arch/m68knommu/kernel/syscalltable.S
@@ -350,7 +350,7 @@ ENTRY(sys_call_table)
.long sys_preadv
.long sys_pwritev /* 330 */
.long sys_rt_tgsigqueueinfo
- .long sys_perf_counter_open
+ .long sys_perf_event_open
.rept NR_syscalls-(.-sys_call_table)/4
.long sys_ni_syscall
diff --git a/arch/microblaze/include/asm/unistd.h b/arch/microblaze/include/asm/unistd.h
index 0b852327c0e..cb05a07e55e 100644
--- a/arch/microblaze/include/asm/unistd.h
+++ b/arch/microblaze/include/asm/unistd.h
@@ -381,7 +381,7 @@
#define __NR_preadv 363 /* new */
#define __NR_pwritev 364 /* new */
#define __NR_rt_tgsigqueueinfo 365 /* new */
-#define __NR_perf_counter_open 366 /* new */
+#define __NR_perf_event_open 366 /* new */
#define __NR_syscalls 367
diff --git a/arch/microblaze/kernel/syscall_table.S b/arch/microblaze/kernel/syscall_table.S
index 457216097df..ecec1915513 100644
--- a/arch/microblaze/kernel/syscall_table.S
+++ b/arch/microblaze/kernel/syscall_table.S
@@ -370,4 +370,4 @@ ENTRY(sys_call_table)
.long sys_ni_syscall
.long sys_ni_syscall
.long sys_rt_tgsigqueueinfo /* 365 */
- .long sys_perf_counter_open
+ .long sys_perf_event_open
diff --git a/arch/mips/include/asm/unistd.h b/arch/mips/include/asm/unistd.h
index e753a777949..8c9dfa9e901 100644
--- a/arch/mips/include/asm/unistd.h
+++ b/arch/mips/include/asm/unistd.h
@@ -353,7 +353,7 @@
#define __NR_preadv (__NR_Linux + 330)
#define __NR_pwritev (__NR_Linux + 331)
#define __NR_rt_tgsigqueueinfo (__NR_Linux + 332)
-#define __NR_perf_counter_open (__NR_Linux + 333)
+#define __NR_perf_event_open (__NR_Linux + 333)
#define __NR_accept4 (__NR_Linux + 334)
/*
@@ -664,7 +664,7 @@
#define __NR_preadv (__NR_Linux + 289)
#define __NR_pwritev (__NR_Linux + 290)
#define __NR_rt_tgsigqueueinfo (__NR_Linux + 291)
-#define __NR_perf_counter_open (__NR_Linux + 292)
+#define __NR_perf_event_open (__NR_Linux + 292)
#define __NR_accept4 (__NR_Linux + 293)
/*
@@ -979,7 +979,7 @@
#define __NR_preadv (__NR_Linux + 293)
#define __NR_pwritev (__NR_Linux + 294)
#define __NR_rt_tgsigqueueinfo (__NR_Linux + 295)
-#define __NR_perf_counter_open (__NR_Linux + 296)
+#define __NR_perf_event_open (__NR_Linux + 296)
#define __NR_accept4 (__NR_Linux + 297)
/*
diff --git a/arch/mips/kernel/scall32-o32.S b/arch/mips/kernel/scall32-o32.S
index 7c2de4f091c..fd2a9bb620d 100644
--- a/arch/mips/kernel/scall32-o32.S
+++ b/arch/mips/kernel/scall32-o32.S
@@ -581,7 +581,7 @@ einval: li v0, -ENOSYS
sys sys_preadv 6 /* 4330 */
sys sys_pwritev 6
sys sys_rt_tgsigqueueinfo 4
- sys sys_perf_counter_open 5
+ sys sys_perf_event_open 5
sys sys_accept4 4
.endm
diff --git a/arch/mips/kernel/scall64-64.S b/arch/mips/kernel/scall64-64.S
index b97b993846d..18bf7f32c5e 100644
--- a/arch/mips/kernel/scall64-64.S
+++ b/arch/mips/kernel/scall64-64.S
@@ -418,6 +418,6 @@ sys_call_table:
PTR sys_preadv
PTR sys_pwritev /* 5390 */
PTR sys_rt_tgsigqueueinfo
- PTR sys_perf_counter_open
+ PTR sys_perf_event_open
PTR sys_accept4
.size sys_call_table,.-sys_call_table
diff --git a/arch/mips/kernel/scall64-n32.S b/arch/mips/kernel/scall64-n32.S
index 1a6ae124635..6ebc0797669 100644
--- a/arch/mips/kernel/scall64-n32.S
+++ b/arch/mips/kernel/scall64-n32.S
@@ -416,6 +416,6 @@ EXPORT(sysn32_call_table)
PTR sys_preadv
PTR sys_pwritev
PTR compat_sys_rt_tgsigqueueinfo /* 5295 */
- PTR sys_perf_counter_open
+ PTR sys_perf_event_open
PTR sys_accept4
.size sysn32_call_table,.-sysn32_call_table
diff --git a/arch/mips/kernel/scall64-o32.S b/arch/mips/kernel/scall64-o32.S
index cd31087a651..9bbf9775e0b 100644
--- a/arch/mips/kernel/scall64-o32.S
+++ b/arch/mips/kernel/scall64-o32.S
@@ -536,6 +536,6 @@ sys_call_table:
PTR compat_sys_preadv /* 4330 */
PTR compat_sys_pwritev
PTR compat_sys_rt_tgsigqueueinfo
- PTR sys_perf_counter_open
+ PTR sys_perf_event_open
PTR sys_accept4
.size sys_call_table,.-sys_call_table
diff --git a/arch/mn10300/include/asm/unistd.h b/arch/mn10300/include/asm/unistd.h
index fad68616af3..2a983931c11 100644
--- a/arch/mn10300/include/asm/unistd.h
+++ b/arch/mn10300/include/asm/unistd.h
@@ -347,7 +347,7 @@
#define __NR_preadv 334
#define __NR_pwritev 335
#define __NR_rt_tgsigqueueinfo 336
-#define __NR_perf_counter_open 337
+#define __NR_perf_event_open 337
#ifdef __KERNEL__
diff --git a/arch/mn10300/kernel/entry.S b/arch/mn10300/kernel/entry.S
index e0d2563af4f..a94e7ea3faa 100644
--- a/arch/mn10300/kernel/entry.S
+++ b/arch/mn10300/kernel/entry.S
@@ -723,7 +723,7 @@ ENTRY(sys_call_table)
.long sys_preadv
.long sys_pwritev /* 335 */
.long sys_rt_tgsigqueueinfo
- .long sys_perf_counter_open
+ .long sys_perf_event_open
nr_syscalls=(.-sys_call_table)/4
diff --git a/arch/parisc/Kconfig b/arch/parisc/Kconfig
index 06f8d5b5b0f..f388dc68f60 100644
--- a/arch/parisc/Kconfig
+++ b/arch/parisc/Kconfig
@@ -16,7 +16,7 @@ config PARISC
select RTC_DRV_GENERIC
select INIT_ALL_POSSIBLE
select BUG
- select HAVE_PERF_COUNTERS
+ select HAVE_PERF_EVENTS
select GENERIC_ATOMIC64 if !64BIT
help
The PA-RISC microprocessor is designed by Hewlett-Packard and used
diff --git a/arch/parisc/include/asm/perf_counter.h b/arch/parisc/include/asm/perf_counter.h
deleted file mode 100644
index dc9e829f701..00000000000
--- a/arch/parisc/include/asm/perf_counter.h
+++ /dev/null
@@ -1,7 +0,0 @@
-#ifndef __ASM_PARISC_PERF_COUNTER_H
-#define __ASM_PARISC_PERF_COUNTER_H
-
-/* parisc only supports software counters through this interface. */
-static inline void set_perf_counter_pending(void) { }
-
-#endif /* __ASM_PARISC_PERF_COUNTER_H */
diff --git a/arch/parisc/include/asm/perf_event.h b/arch/parisc/include/asm/perf_event.h
new file mode 100644
index 00000000000..cc146427d8f
--- /dev/null
+++ b/arch/parisc/include/asm/perf_event.h
@@ -0,0 +1,7 @@
+#ifndef __ASM_PARISC_PERF_EVENT_H
+#define __ASM_PARISC_PERF_EVENT_H
+
+/* parisc only supports software events through this interface. */
+static inline void set_perf_event_pending(void) { }
+
+#endif /* __ASM_PARISC_PERF_EVENT_H */
diff --git a/arch/parisc/include/asm/unistd.h b/arch/parisc/include/asm/unistd.h
index f3d3b8b012c..cda158318c6 100644
--- a/arch/parisc/include/asm/unistd.h
+++ b/arch/parisc/include/asm/unistd.h
@@ -810,9 +810,9 @@
#define __NR_preadv (__NR_Linux + 315)
#define __NR_pwritev (__NR_Linux + 316)
#define __NR_rt_tgsigqueueinfo (__NR_Linux + 317)
-#define __NR_perf_counter_open (__NR_Linux + 318)
+#define __NR_perf_event_open (__NR_Linux + 318)
-#define __NR_Linux_syscalls (__NR_perf_counter_open + 1)
+#define __NR_Linux_syscalls (__NR_perf_event_open + 1)
#define __IGNORE_select /* newselect */
diff --git a/arch/parisc/kernel/syscall_table.S b/arch/parisc/kernel/syscall_table.S
index cf145eb026b..843f423dec6 100644
--- a/arch/parisc/kernel/syscall_table.S
+++ b/arch/parisc/kernel/syscall_table.S
@@ -416,7 +416,7 @@
ENTRY_COMP(preadv) /* 315 */
ENTRY_COMP(pwritev)
ENTRY_COMP(rt_tgsigqueueinfo)
- ENTRY_SAME(perf_counter_open)
+ ENTRY_SAME(perf_event_open)
/* Nothing yet */
diff --git a/arch/powerpc/Kconfig b/arch/powerpc/Kconfig
index 8250902265c..4fd479059d6 100644
--- a/arch/powerpc/Kconfig
+++ b/arch/powerpc/Kconfig
@@ -129,7 +129,7 @@ config PPC
select HAVE_OPROFILE
select HAVE_SYSCALL_WRAPPERS if PPC64
select GENERIC_ATOMIC64 if PPC32
- select HAVE_PERF_COUNTERS
+ select HAVE_PERF_EVENTS
config EARLY_PRINTK
bool
diff --git a/arch/powerpc/include/asm/hw_irq.h b/arch/powerpc/include/asm/hw_irq.h
index e73d554538d..abbc2aaaced 100644
--- a/arch/powerpc/include/asm/hw_irq.h
+++ b/arch/powerpc/include/asm/hw_irq.h
@@ -135,43 +135,43 @@ static inline int irqs_disabled_flags(unsigned long flags)
*/
struct irq_chip;
-#ifdef CONFIG_PERF_COUNTERS
+#ifdef CONFIG_PERF_EVENTS
#ifdef CONFIG_PPC64
-static inline unsigned long test_perf_counter_pending(void)
+static inline unsigned long test_perf_event_pending(void)
{
unsigned long x;
asm volatile("lbz %0,%1(13)"
: "=r" (x)
- : "i" (offsetof(struct paca_struct, perf_counter_pending)));
+ : "i" (offsetof(struct paca_struct, perf_event_pending)));
return x;
}
-static inline void set_perf_counter_pending(void)
+static inline void set_perf_event_pending(void)
{
asm volatile("stb %0,%1(13)" : :
"r" (1),
- "i" (offsetof(struct paca_struct, perf_counter_pending)));
+ "i" (offsetof(struct paca_struct, perf_event_pending)));
}
-static inline void clear_perf_counter_pending(void)
+static inline void clear_perf_event_pending(void)
{
asm volatile("stb %0,%1(13)" : :
"r" (0),
- "i" (offsetof(struct paca_struct, perf_counter_pending)));
+ "i" (offsetof(struct paca_struct, perf_event_pending)));
}
#endif /* CONFIG_PPC64 */
-#else /* CONFIG_PERF_COUNTERS */
+#else /* CONFIG_PERF_EVENTS */
-static inline unsigned long test_perf_counter_pending(void)
+static inline unsigned long test_perf_event_pending(void)
{
return 0;
}
-static inline void clear_perf_counter_pending(void) {}
-#endif /* CONFIG_PERF_COUNTERS */
+static inline void clear_perf_event_pending(void) {}
+#endif /* CONFIG_PERF_EVENTS */
#endif /* __KERNEL__ */
#endif /* _ASM_POWERPC_HW_IRQ_H */
diff --git a/arch/powerpc/include/asm/paca.h b/arch/powerpc/include/asm/paca.h
index b634456ea89..154f405b642 100644
--- a/arch/powerpc/include/asm/paca.h
+++ b/arch/powerpc/include/asm/paca.h
@@ -122,7 +122,7 @@ struct paca_struct {
u8 soft_enabled; /* irq soft-enable flag */
u8 hard_enabled; /* set if irqs are enabled in MSR */
u8 io_sync; /* writel() needs spin_unlock sync */
- u8 perf_counter_pending; /* PM interrupt while soft-disabled */
+ u8 perf_event_pending; /* PM interrupt while soft-disabled */
/* Stuff for accurate time accounting */
u64 user_time; /* accumulated usermode TB ticks */
diff --git a/arch/powerpc/include/asm/perf_counter.h b/arch/powerpc/include/asm/perf_event.h
index 0ea0639fcf7..2499aaadaeb 100644
--- a/arch/powerpc/include/asm/perf_counter.h
+++ b/arch/powerpc/include/asm/perf_event.h
@@ -1,5 +1,5 @@
/*
- * Performance counter support - PowerPC-specific definitions.
+ * Performance event support - PowerPC-specific definitions.
*
* Copyright 2008-2009 Paul Mackerras, IBM Corporation.
*
@@ -12,9 +12,9 @@
#include <asm/hw_irq.h>
-#define MAX_HWCOUNTERS 8
+#define MAX_HWEVENTS 8
#define MAX_EVENT_ALTERNATIVES 8
-#define MAX_LIMITED_HWCOUNTERS 2
+#define MAX_LIMITED_HWEVENTS 2
/*
* This struct provides the constants and functions needed to
@@ -22,18 +22,18 @@
*/
struct power_pmu {
const char *name;
- int n_counter;
+ int n_event;
int max_alternatives;
unsigned long add_fields;
unsigned long test_adder;
int (*compute_mmcr)(u64 events[], int n_ev,
unsigned int hwc[], unsigned long mmcr[]);
- int (*get_constraint)(u64 event, unsigned long *mskp,
+ int (*get_constraint)(u64 event_id, unsigned long *mskp,
unsigned long *valp);
- int (*get_alternatives)(u64 event, unsigned int flags,
+ int (*get_alternatives)(u64 event_id, unsigned int flags,
u64 alt[]);
void (*disable_pmc)(unsigned int pmc, unsigned long mmcr[]);
- int (*limited_pmc_event)(u64 event);
+ int (*limited_pmc_event)(u64 event_id);
u32 flags;
int n_generic;
int *generic_events;
@@ -61,10 +61,10 @@ struct pt_regs;
extern unsigned long perf_misc_flags(struct pt_regs *regs);
extern unsigned long perf_instruction_pointer(struct pt_regs *regs);
-#define PERF_COUNTER_INDEX_OFFSET 1
+#define PERF_EVENT_INDEX_OFFSET 1
/*
- * Only override the default definitions in include/linux/perf_counter.h
+ * Only override the default definitions in include/linux/perf_event.h
* if we have hardware PMU support.
*/
#ifdef CONFIG_PPC_PERF_CTRS
@@ -73,14 +73,14 @@ extern unsigned long perf_instruction_pointer(struct pt_regs *regs);
/*
* The power_pmu.get_constraint function returns a 32/64-bit value and
- * a 32/64-bit mask that express the constraints between this event and
+ * a 32/64-bit mask that express the constraints between this event_id and
* other events.
*
* The value and mask are divided up into (non-overlapping) bitfields
* of three different types:
*
* Select field: this expresses the constraint that some set of bits
- * in MMCR* needs to be set to a specific value for this event. For a
+ * in MMCR* needs to be set to a specific value for this event_id. For a
* select field, the mask contains 1s in every bit of the field, and
* the value contains a unique value for each possible setting of the
* MMCR* bits. The constraint checking code will ensure that two events
@@ -102,9 +102,9 @@ extern unsigned long perf_instruction_pointer(struct pt_regs *regs);
* possible.) For N classes, the field is N+1 bits wide, and each class
* is assigned one bit from the least-significant N bits. The mask has
* only the most-significant bit set, and the value has only the bit
- * for the event's class set. The test_adder has the least significant
+ * for the event_id's class set. The test_adder has the least significant
* bit set in the field.
*
- * If an event is not subject to the constraint expressed by a particular
+ * If an event_id is not subject to the constraint expressed by a particular
* field, then it will have 0 in both the mask and value for that field.
*/
diff --git a/arch/powerpc/include/asm/systbl.h b/arch/powerpc/include/asm/systbl.h
index ed24bd92fe4..c7d671a7d9a 100644
--- a/arch/powerpc/include/asm/systbl.h
+++ b/arch/powerpc/include/asm/systbl.h
@@ -322,7 +322,7 @@ SYSCALL_SPU(epoll_create1)
SYSCALL_SPU(dup3)
SYSCALL_SPU(pipe2)
SYSCALL(inotify_init1)
-SYSCALL_SPU(perf_counter_open)
+SYSCALL_SPU(perf_event_open)
COMPAT_SYS_SPU(preadv)
COMPAT_SYS_SPU(pwritev)
COMPAT_SYS(rt_tgsigqueueinfo)
diff --git a/arch/powerpc/include/asm/unistd.h b/arch/powerpc/include/asm/unistd.h
index cef080bfc60..f6ca7617676 100644
--- a/arch/powerpc/include/asm/unistd.h
+++ b/arch/powerpc/include/asm/unistd.h
@@ -341,7 +341,7 @@
#define __NR_dup3 316
#define __NR_pipe2 317
#define __NR_inotify_init1 318
-#define __NR_perf_counter_open 319
+#define __NR_perf_event_open 319
#define __NR_preadv 320
#define __NR_pwritev 321
#define __NR_rt_tgsigqueueinfo 322
diff --git a/arch/powerpc/kernel/Makefile b/arch/powerpc/kernel/Makefile
index 569f79ccd31..b23664a0b86 100644
--- a/arch/powerpc/kernel/Makefile
+++ b/arch/powerpc/kernel/Makefile
@@ -97,7 +97,7 @@ obj64-$(CONFIG_AUDIT) += compat_audit.o
obj-$(CONFIG_DYNAMIC_FTRACE) += ftrace.o
obj-$(CONFIG_FUNCTION_GRAPH_TRACER) += ftrace.o
-obj-$(CONFIG_PPC_PERF_CTRS) += perf_counter.o perf_callchain.o
+obj-$(CONFIG_PPC_PERF_CTRS) += perf_event.o perf_callchain.o
obj64-$(CONFIG_PPC_PERF_CTRS) += power4-pmu.o ppc970-pmu.o power5-pmu.o \
power5+-pmu.o power6-pmu.o power7-pmu.o
obj32-$(CONFIG_PPC_PERF_CTRS) += mpc7450-pmu.o
diff --git a/arch/powerpc/kernel/asm-offsets.c b/arch/powerpc/kernel/asm-offsets.c
index f0df285f0f8..0812b0f414b 100644
--- a/arch/powerpc/kernel/asm-offsets.c
+++ b/arch/powerpc/kernel/asm-offsets.c
@@ -133,7 +133,7 @@ int main(void)
DEFINE(PACAKMSR, offsetof(struct paca_struct, kernel_msr));
DEFINE(PACASOFTIRQEN, offsetof(struct paca_struct, soft_enabled));
DEFINE(PACAHARDIRQEN, offsetof(struct paca_struct, hard_enabled));
- DEFINE(PACAPERFPEND, offsetof(struct paca_struct, perf_counter_pending));
+ DEFINE(PACAPERFPEND, offsetof(struct paca_struct, perf_event_pending));
DEFINE(PACACONTEXTID, offsetof(struct paca_struct, context.id));
#ifdef CONFIG_PPC_MM_SLICES
DEFINE(PACALOWSLICESPSIZE, offsetof(struct paca_struct,
diff --git a/arch/powerpc/kernel/entry_64.S b/arch/powerpc/kernel/entry_64.S
index 66bcda34a6b..900e0eea009 100644
--- a/arch/powerpc/kernel/entry_64.S
+++ b/arch/powerpc/kernel/entry_64.S
@@ -556,14 +556,14 @@ ALT_FW_FTR_SECTION_END_IFCLR(FW_FEATURE_ISERIES)
2:
TRACE_AND_RESTORE_IRQ(r5);
-#ifdef CONFIG_PERF_COUNTERS
- /* check paca->perf_counter_pending if we're enabling ints */
+#ifdef CONFIG_PERF_EVENTS
+ /* check paca->perf_event_pending if we're enabling ints */
lbz r3,PACAPERFPEND(r13)
and. r3,r3,r5
beq 27f
- bl .perf_counter_do_pending
+ bl .perf_event_do_pending
27:
-#endif /* CONFIG_PERF_COUNTERS */
+#endif /* CONFIG_PERF_EVENTS */
/* extract EE bit and use it to restore paca->hard_enabled */
ld r3,_MSR(r1)
diff --git a/arch/powerpc/kernel/irq.c b/arch/powerpc/kernel/irq.c
index f7f376ea7b1..e5d12117798 100644
--- a/arch/powerpc/kernel/irq.c
+++ b/arch/powerpc/kernel/irq.c
@@ -53,7 +53,7 @@
#include <linux/bootmem.h>
#include <linux/pci.h>
#include <linux/debugfs.h>
-#include <linux/perf_counter.h>
+#include <linux/perf_event.h>
#include <asm/uaccess.h>
#include <asm/system.h>
@@ -138,9 +138,9 @@ notrace void raw_local_irq_restore(unsigned long en)
}
#endif /* CONFIG_PPC_STD_MMU_64 */
- if (test_perf_counter_pending()) {
- clear_perf_counter_pending();
- perf_counter_do_pending();
+ if (test_perf_event_pending()) {
+ clear_perf_event_pending();
+ perf_event_do_pending();
}
/*
diff --git a/arch/powerpc/kernel/mpc7450-pmu.c b/arch/powerpc/kernel/mpc7450-pmu.c
index cc466d039af..09d72028f31 100644
--- a/arch/powerpc/kernel/mpc7450-pmu.c
+++ b/arch/powerpc/kernel/mpc7450-pmu.c
@@ -9,7 +9,7 @@
* 2 of the License, or (at your option) any later version.
*/
#include <linux/string.h>
-#include <linux/perf_counter.h>
+#include <linux/perf_event.h>
#include <asm/reg.h>
#include <asm/cputable.h>
diff --git a/arch/powerpc/kernel/perf_callchain.c b/arch/powerpc/kernel/perf_callchain.c
index f74b62c6751..0a03cf70d24 100644
--- a/arch/powerpc/kernel/perf_callchain.c
+++ b/arch/powerpc/kernel/perf_callchain.c
@@ -10,7 +10,7 @@
*/
#include <linux/kernel.h>
#include <linux/sched.h>
-#include <linux/perf_counter.h>
+#include <linux/perf_event.h>
#include <linux/percpu.h>
#include <linux/uaccess.h>
#include <linux/mm.h>
diff --git a/arch/powerpc/kernel/perf_counter.c b/arch/powerpc/kernel/perf_event.c
index 5ccf9bca96c..c98321fcb45 100644
--- a/arch/powerpc/kernel/perf_counter.c
+++ b/arch/powerpc/kernel/perf_event.c
@@ -1,5 +1,5 @@
/*
- * Performance counter support - powerpc architecture code
+ * Performance event support - powerpc architecture code
*
* Copyright 2008-2009 Paul Mackerras, IBM Corporation.
*
@@ -10,7 +10,7 @@
*/
#include <linux/kernel.h>
#include <linux/sched.h>
-#include <linux/perf_counter.h>
+#include <linux/perf_event.h>
#include <linux/percpu.h>
#include <linux/hardirq.h>
#include <asm/reg.h>
@@ -19,35 +19,35 @@
#include <asm/firmware.h>
#include <asm/ptrace.h>
-struct cpu_hw_counters {
- int n_counters;
+struct cpu_hw_events {
+ int n_events;
int n_percpu;
int disabled;
int n_added;
int n_limited;
u8 pmcs_enabled;
- struct perf_counter *counter[MAX_HWCOUNTERS];
- u64 events[MAX_HWCOUNTERS];
- unsigned int flags[MAX_HWCOUNTERS];
+ struct perf_event *event[MAX_HWEVENTS];
+ u64 events[MAX_HWEVENTS];
+ unsigned int flags[MAX_HWEVENTS];
unsigned long mmcr[3];
- struct perf_counter *limited_counter[MAX_LIMITED_HWCOUNTERS];
- u8 limited_hwidx[MAX_LIMITED_HWCOUNTERS];
- u64 alternatives[MAX_HWCOUNTERS][MAX_EVENT_ALTERNATIVES];
- unsigned long amasks[MAX_HWCOUNTERS][MAX_EVENT_ALTERNATIVES];
- unsigned long avalues[MAX_HWCOUNTERS][MAX_EVENT_ALTERNATIVES];
+ struct perf_event *limited_event[MAX_LIMITED_HWEVENTS];
+ u8 limited_hwidx[MAX_LIMITED_HWEVENTS];
+ u64 alternatives[MAX_HWEVENTS][MAX_EVENT_ALTERNATIVES];
+ unsigned long amasks[MAX_HWEVENTS][MAX_EVENT_ALTERNATIVES];
+ unsigned long avalues[MAX_HWEVENTS][MAX_EVENT_ALTERNATIVES];
};
-DEFINE_PER_CPU(struct cpu_hw_counters, cpu_hw_counters);
+DEFINE_PER_CPU(struct cpu_hw_events, cpu_hw_events);
struct power_pmu *ppmu;
/*
- * Normally, to ignore kernel events we set the FCS (freeze counters
+ * Normally, to ignore kernel events we set the FCS (freeze events
* in supervisor mode) bit in MMCR0, but if the kernel runs with the
* hypervisor bit set in the MSR, or if we are running on a processor
* where the hypervisor bit is forced to 1 (as on Apple G5 processors),
* then we need to use the FCHV bit to ignore kernel events.
*/
-static unsigned int freeze_counters_kernel = MMCR0_FCS;
+static unsigned int freeze_events_kernel = MMCR0_FCS;
/*
* 32-bit doesn't have MMCRA but does have an MMCR2,
@@ -122,14 +122,14 @@ static inline u32 perf_get_misc_flags(struct pt_regs *regs)
if (ppmu->flags & PPMU_ALT_SIPR) {
if (mmcra & POWER6_MMCRA_SIHV)
- return PERF_EVENT_MISC_HYPERVISOR;
+ return PERF_RECORD_MISC_HYPERVISOR;
return (mmcra & POWER6_MMCRA_SIPR) ?
- PERF_EVENT_MISC_USER : PERF_EVENT_MISC_KERNEL;
+ PERF_RECORD_MISC_USER : PERF_RECORD_MISC_KERNEL;
}
if (mmcra & MMCRA_SIHV)
- return PERF_EVENT_MISC_HYPERVISOR;
- return (mmcra & MMCRA_SIPR) ? PERF_EVENT_MISC_USER :
- PERF_EVENT_MISC_KERNEL;
+ return PERF_RECORD_MISC_HYPERVISOR;
+ return (mmcra & MMCRA_SIPR) ? PERF_RECORD_MISC_USER :
+ PERF_RECORD_MISC_KERNEL;
}
/*
@@ -152,14 +152,14 @@ static inline int perf_intr_is_nmi(struct pt_regs *regs)
#endif /* CONFIG_PPC64 */
-static void perf_counter_interrupt(struct pt_regs *regs);
+static void perf_event_interrupt(struct pt_regs *regs);
-void perf_counter_print_debug(void)
+void perf_event_print_debug(void)
{
}
/*
- * Read one performance monitor counter (PMC).
+ * Read one performance monitor event (PMC).
*/
static unsigned long read_pmc(int idx)
{
@@ -240,31 +240,31 @@ static void write_pmc(int idx, unsigned long val)
* Check if a set of events can all go on the PMU at once.
* If they can't, this will look at alternative codes for the events
* and see if any combination of alternative codes is feasible.
- * The feasible set is returned in event[].
+ * The feasible set is returned in event_id[].
*/
-static int power_check_constraints(struct cpu_hw_counters *cpuhw,
- u64 event[], unsigned int cflags[],
+static int power_check_constraints(struct cpu_hw_events *cpuhw,
+ u64 event_id[], unsigned int cflags[],
int n_ev)
{
unsigned long mask, value, nv;
- unsigned long smasks[MAX_HWCOUNTERS], svalues[MAX_HWCOUNTERS];
- int n_alt[MAX_HWCOUNTERS], choice[MAX_HWCOUNTERS];
+ unsigned long smasks[MAX_HWEVENTS], svalues[MAX_HWEVENTS];
+ int n_alt[MAX_HWEVENTS], choice[MAX_HWEVENTS];
int i, j;
unsigned long addf = ppmu->add_fields;
unsigned long tadd = ppmu->test_adder;
- if (n_ev > ppmu->n_counter)
+ if (n_ev > ppmu->n_event)
return -1;
/* First see if the events will go on as-is */
for (i = 0; i < n_ev; ++i) {
if ((cflags[i] & PPMU_LIMITED_PMC_REQD)
- && !ppmu->limited_pmc_event(event[i])) {
- ppmu->get_alternatives(event[i], cflags[i],
+ && !ppmu->limited_pmc_event(event_id[i])) {
+ ppmu->get_alternatives(event_id[i], cflags[i],
cpuhw->alternatives[i]);
- event[i] = cpuhw->alternatives[i][0];
+ event_id[i] = cpuhw->alternatives[i][0];
}
- if (ppmu->get_constraint(event[i], &cpuhw->amasks[i][0],
+ if (ppmu->get_constraint(event_id[i], &cpuhw->amasks[i][0],
&cpuhw->avalues[i][0]))
return -1;
}
@@ -287,7 +287,7 @@ static int power_check_constraints(struct cpu_hw_counters *cpuhw,
return -1;
for (i = 0; i < n_ev; ++i) {
choice[i] = 0;
- n_alt[i] = ppmu->get_alternatives(event[i], cflags[i],
+ n_alt[i] = ppmu->get_alternatives(event_id[i], cflags[i],
cpuhw->alternatives[i]);
for (j = 1; j < n_alt[i]; ++j)
ppmu->get_constraint(cpuhw->alternatives[i][j],
@@ -307,7 +307,7 @@ static int power_check_constraints(struct cpu_hw_counters *cpuhw,
j = choice[i];
}
/*
- * See if any alternative k for event i,
+ * See if any alternative k for event_id i,
* where k > j, will satisfy the constraints.
*/
while (++j < n_alt[i]) {
@@ -321,16 +321,16 @@ static int power_check_constraints(struct cpu_hw_counters *cpuhw,
if (j >= n_alt[i]) {
/*
* No feasible alternative, backtrack
- * to event i-1 and continue enumerating its
+ * to event_id i-1 and continue enumerating its
* alternatives from where we got up to.
*/
if (--i < 0)
return -1;
} else {
/*
- * Found a feasible alternative for event i,
- * remember where we got up to with this event,
- * go on to the next event, and start with
+ * Found a feasible alternative for event_id i,
+ * remember where we got up to with this event_id,
+ * go on to the next event_id, and start with
* the first alternative for it.
*/
choice[i] = j;
@@ -345,21 +345,21 @@ static int power_check_constraints(struct cpu_hw_counters *cpuhw,
/* OK, we have a feasible combination, tell the caller the solution */
for (i = 0; i < n_ev; ++i)
- event[i] = cpuhw->alternatives[i][choice[i]];
+ event_id[i] = cpuhw->alternatives[i][choice[i]];
return 0;
}
/*
- * Check if newly-added counters have consistent settings for
+ * Check if newly-added events have consistent settings for
* exclude_{user,kernel,hv} with each other and any previously
- * added counters.
+ * added events.
*/
-static int check_excludes(struct perf_counter **ctrs, unsigned int cflags[],
+static int check_excludes(struct perf_event **ctrs, unsigned int cflags[],
int n_prev, int n_new)
{
int eu = 0, ek = 0, eh = 0;
int i, n, first;
- struct perf_counter *counter;
+ struct perf_event *event;
n = n_prev + n_new;
if (n <= 1)
@@ -371,15 +371,15 @@ static int check_excludes(struct perf_counter **ctrs, unsigned int cflags[],
cflags[i] &= ~PPMU_LIMITED_PMC_REQD;
continue;
}
- counter = ctrs[i];
+ event = ctrs[i];
if (first) {
- eu = counter->attr.exclude_user;
- ek = counter->attr.exclude_kernel;
- eh = counter->attr.exclude_hv;
+ eu = event->attr.exclude_user;
+ ek = event->attr.exclude_kernel;
+ eh = event->attr.exclude_hv;
first = 0;
- } else if (counter->attr.exclude_user != eu ||
- counter->attr.exclude_kernel != ek ||
- counter->attr.exclude_hv != eh) {
+ } else if (event->attr.exclude_user != eu ||
+ event->attr.exclude_kernel != ek ||
+ event->attr.exclude_hv != eh) {
return -EAGAIN;
}
}
@@ -392,11 +392,11 @@ static int check_excludes(struct perf_counter **ctrs, unsigned int cflags[],
return 0;
}
-static void power_pmu_read(struct perf_counter *counter)
+static void power_pmu_read(struct perf_event *event)
{
s64 val, delta, prev;
- if (!counter->hw.idx)
+ if (!event->hw.idx)
return;
/*
* Performance monitor interrupts come even when interrupts
@@ -404,21 +404,21 @@ static void power_pmu_read(struct perf_counter *counter)
* Therefore we treat them like NMIs.
*/
do {
- prev = atomic64_read(&counter->hw.prev_count);
+ prev = atomic64_read(&event->hw.prev_count);
barrier();
- val = read_pmc(counter->hw.idx);
- } while (atomic64_cmpxchg(&counter->hw.prev_count, prev, val) != prev);
+ val = read_pmc(event->hw.idx);
+ } while (atomic64_cmpxchg(&event->hw.prev_count, prev, val) != prev);
- /* The counters are only 32 bits wide */
+ /* The events are only 32 bits wide */
delta = (val - prev) & 0xfffffffful;
- atomic64_add(delta, &counter->count);
- atomic64_sub(delta, &counter->hw.period_left);
+ atomic64_add(delta, &event->count);
+ atomic64_sub(delta, &event->hw.period_left);
}
/*
* On some machines, PMC5 and PMC6 can't be written, don't respect
* the freeze conditions, and don't generate interrupts. This tells
- * us if `counter' is using such a PMC.
+ * us if `event' is using such a PMC.
*/
static int is_limited_pmc(int pmcnum)
{
@@ -426,53 +426,53 @@ static int is_limited_pmc(int pmcnum)
&& (pmcnum == 5 || pmcnum == 6);
}
-static void freeze_limited_counters(struct cpu_hw_counters *cpuhw,
+static void freeze_limited_events(struct cpu_hw_events *cpuhw,
unsigned long pmc5, unsigned long pmc6)
{
- struct perf_counter *counter;
+ struct perf_event *event;
u64 val, prev, delta;
int i;
for (i = 0; i < cpuhw->n_limited; ++i) {
- counter = cpuhw->limited_counter[i];
- if (!counter->hw.idx)
+ event = cpuhw->limited_event[i];
+ if (!event->hw.idx)
continue;
- val = (counter->hw.idx == 5) ? pmc5 : pmc6;
- prev = atomic64_read(&counter->hw.prev_count);
- counter->hw.idx = 0;
+ val = (event->hw.idx == 5) ? pmc5 : pmc6;
+ prev = atomic64_read(&event->hw.prev_count);
+ event->hw.idx = 0;
delta = (val - prev) & 0xfffffffful;
- atomic64_add(delta, &counter->count);
+ atomic64_add(delta, &event->count);
}
}
-static void thaw_limited_counters(struct cpu_hw_counters *cpuhw,
+static void thaw_limited_events(struct cpu_hw_events *cpuhw,
unsigned long pmc5, unsigned long pmc6)
{
- struct perf_counter *counter;
+ struct perf_event *event;
u64 val;
int i;
for (i = 0; i < cpuhw->n_limited; ++i) {
- counter = cpuhw->limited_counter[i];
- counter->hw.idx = cpuhw->limited_hwidx[i];
- val = (counter->hw.idx == 5) ? pmc5 : pmc6;
- atomic64_set(&counter->hw.prev_count, val);
- perf_counter_update_userpage(counter);
+ event = cpuhw->limited_event[i];
+ event->hw.idx = cpuhw->limited_hwidx[i];
+ val = (event->hw.idx == 5) ? pmc5 : pmc6;
+ atomic64_set(&event->hw.prev_count, val);
+ perf_event_update_userpage(event);
}
}
/*
- * Since limited counters don't respect the freeze conditions, we
+ * Since limited events don't respect the freeze conditions, we
* have to read them immediately after freezing or unfreezing the
- * other counters. We try to keep the values from the limited
- * counters as consistent as possible by keeping the delay (in
+ * other events. We try to keep the values from the limited
+ * events as consistent as possible by keeping the delay (in
* cycles and instructions) between freezing/unfreezing and reading
- * the limited counters as small and consistent as possible.
- * Therefore, if any limited counters are in use, we read them
+ * the limited events as small and consistent as possible.
+ * Therefore, if any limited events are in use, we read them
* both, and always in the same order, to minimize variability,
* and do it inside the same asm that writes MMCR0.
*/
-static void write_mmcr0(struct cpu_hw_counters *cpuhw, unsigned long mmcr0)
+static void write_mmcr0(struct cpu_hw_events *cpuhw, unsigned long mmcr0)
{
unsigned long pmc5, pmc6;
@@ -485,7 +485,7 @@ static void write_mmcr0(struct cpu_hw_counters *cpuhw, unsigned long mmcr0)
* Write MMCR0, then read PMC5 and PMC6 immediately.
* To ensure we don't get a performance monitor interrupt
* between writing MMCR0 and freezing/thawing the limited
- * counters, we first write MMCR0 with the counter overflow
+ * events, we first write MMCR0 with the event overflow
* interrupt enable bits turned off.
*/
asm volatile("mtspr %3,%2; mfspr %0,%4; mfspr %1,%5"
@@ -495,12 +495,12 @@ static void write_mmcr0(struct cpu_hw_counters *cpuhw, unsigned long mmcr0)
"i" (SPRN_PMC5), "i" (SPRN_PMC6));
if (mmcr0 & MMCR0_FC)
- freeze_limited_counters(cpuhw, pmc5, pmc6);
+ freeze_limited_events(cpuhw, pmc5, pmc6);
else
- thaw_limited_counters(cpuhw, pmc5, pmc6);
+ thaw_limited_events(cpuhw, pmc5, pmc6);
/*
- * Write the full MMCR0 including the counter overflow interrupt
+ * Write the full MMCR0 including the event overflow interrupt
* enable bits, if necessary.
*/
if (mmcr0 & (MMCR0_PMC1CE | MMCR0_PMCjCE))
@@ -508,18 +508,18 @@ static void write_mmcr0(struct cpu_hw_counters *cpuhw, unsigned long mmcr0)
}
/*
- * Disable all counters to prevent PMU interrupts and to allow
- * counters to be added or removed.
+ * Disable all events to prevent PMU interrupts and to allow
+ * events to be added or removed.
*/
void hw_perf_disable(void)
{
- struct cpu_hw_counters *cpuhw;
+ struct cpu_hw_events *cpuhw;
unsigned long flags;
if (!ppmu)
return;
local_irq_save(flags);
- cpuhw = &__get_cpu_var(cpu_hw_counters);
+ cpuhw = &__get_cpu_var(cpu_hw_events);
if (!cpuhw->disabled) {
cpuhw->disabled = 1;
@@ -543,9 +543,9 @@ void hw_perf_disable(void)
}
/*
- * Set the 'freeze counters' bit.
+ * Set the 'freeze events' bit.
* The barrier is to make sure the mtspr has been
- * executed and the PMU has frozen the counters
+ * executed and the PMU has frozen the events
* before we return.
*/
write_mmcr0(cpuhw, mfspr(SPRN_MMCR0) | MMCR0_FC);
@@ -555,26 +555,26 @@ void hw_perf_disable(void)
}
/*
- * Re-enable all counters if disable == 0.
- * If we were previously disabled and counters were added, then
+ * Re-enable all events if disable == 0.
+ * If we were previously disabled and events were added, then
* put the new config on the PMU.
*/
void hw_perf_enable(void)
{
- struct perf_counter *counter;
- struct cpu_hw_counters *cpuhw;
+ struct perf_event *event;
+ struct cpu_hw_events *cpuhw;
unsigned long flags;
long i;
unsigned long val;
s64 left;
- unsigned int hwc_index[MAX_HWCOUNTERS];
+ unsigned int hwc_index[MAX_HWEVENTS];
int n_lim;
int idx;
if (!ppmu)
return;
local_irq_save(flags);
- cpuhw = &__get_cpu_var(cpu_hw_counters);
+ cpuhw = &__get_cpu_var(cpu_hw_events);
if (!cpuhw->disabled) {
local_irq_restore(flags);
return;
@@ -582,23 +582,23 @@ void hw_perf_enable(void)
cpuhw->disabled = 0;
/*
- * If we didn't change anything, or only removed counters,
+ * If we didn't change anything, or only removed events,
* no need to recalculate MMCR* settings and reset the PMCs.
* Just reenable the PMU with the current MMCR* settings
- * (possibly updated for removal of counters).
+ * (possibly updated for removal of events).
*/
if (!cpuhw->n_added) {
mtspr(SPRN_MMCRA, cpuhw->mmcr[2] & ~MMCRA_SAMPLE_ENABLE);
mtspr(SPRN_MMCR1, cpuhw->mmcr[1]);
- if (cpuhw->n_counters == 0)
+ if (cpuhw->n_events == 0)
ppc_set_pmu_inuse(0);
goto out_enable;
}
/*
- * Compute MMCR* values for the new set of counters
+ * Compute MMCR* values for the new set of events
*/
- if (ppmu->compute_mmcr(cpuhw->events, cpuhw->n_counters, hwc_index,
+ if (ppmu->compute_mmcr(cpuhw->events, cpuhw->n_events, hwc_index,
cpuhw->mmcr)) {
/* shouldn't ever get here */
printk(KERN_ERR "oops compute_mmcr failed\n");
@@ -607,22 +607,22 @@ void hw_perf_enable(void)
/*
* Add in MMCR0 freeze bits corresponding to the
- * attr.exclude_* bits for the first counter.
- * We have already checked that all counters have the
- * same values for these bits as the first counter.
+ * attr.exclude_* bits for the first event.
+ * We have already checked that all events have the
+ * same values for these bits as the first event.
*/
- counter = cpuhw->counter[0];
- if (counter->attr.exclude_user)
+ event = cpuhw->event[0];
+ if (event->attr.exclude_user)
cpuhw->mmcr[0] |= MMCR0_FCP;
- if (counter->attr.exclude_kernel)
- cpuhw->mmcr[0] |= freeze_counters_kernel;
- if (counter->attr.exclude_hv)
+ if (event->attr.exclude_kernel)
+ cpuhw->mmcr[0] |= freeze_events_kernel;
+ if (event->attr.exclude_hv)
cpuhw->mmcr[0] |= MMCR0_FCHV;
/*
* Write the new configuration to MMCR* with the freeze
- * bit set and set the hardware counters to their initial values.
- * Then unfreeze the counters.
+ * bit set and set the hardware events to their initial values.
+ * Then unfreeze the events.
*/
ppc_set_pmu_inuse(1);
mtspr(SPRN_MMCRA, cpuhw->mmcr[2] & ~MMCRA_SAMPLE_ENABLE);
@@ -631,43 +631,43 @@ void hw_perf_enable(void)
| MMCR0_FC);
/*
- * Read off any pre-existing counters that need to move
+ * Read off any pre-existing events that need to move
* to another PMC.
*/
- for (i = 0; i < cpuhw->n_counters; ++i) {
- counter = cpuhw->counter[i];
- if (counter->hw.idx && counter->hw.idx != hwc_index[i] + 1) {
- power_pmu_read(counter);
- write_pmc(counter->hw.idx, 0);
- counter->hw.idx = 0;
+ for (i = 0; i < cpuhw->n_events; ++i) {
+ event = cpuhw->event[i];
+ if (event->hw.idx && event->hw.idx != hwc_index[i] + 1) {
+ power_pmu_read(event);
+ write_pmc(event->hw.idx, 0);
+ event->hw.idx = 0;
}
}
/*
- * Initialize the PMCs for all the new and moved counters.
+ * Initialize the PMCs for all the new and moved events.
*/
cpuhw->n_limited = n_lim = 0;
- for (i = 0; i < cpuhw->n_counters; ++i) {
- counter = cpuhw->counter[i];
- if (counter->hw.idx)
+ for (i = 0; i < cpuhw->n_events; ++i) {
+ event = cpuhw->event[i];
+ if (event->hw.idx)
continue;
idx = hwc_index[i] + 1;
if (is_limited_pmc(idx)) {
- cpuhw->limited_counter[n_lim] = counter;
+ cpuhw->limited_event[n_lim] = event;
cpuhw->limited_hwidx[n_lim] = idx;
++n_lim;
continue;
}
val = 0;
- if (counter->hw.sample_period) {
- left = atomic64_read(&counter->hw.period_left);
+ if (event->hw.sample_period) {
+ left = atomic64_read(&event->hw.period_left);
if (left < 0x80000000L)
val = 0x80000000L - left;
}
- atomic64_set(&counter->hw.prev_count, val);
- counter->hw.idx = idx;
+ atomic64_set(&event->hw.prev_count, val);
+ event->hw.idx = idx;
write_pmc(idx, val);
- perf_counter_update_userpage(counter);
+ perf_event_update_userpage(event);
}
cpuhw->n_limited = n_lim;
cpuhw->mmcr[0] |= MMCR0_PMXE | MMCR0_FCECE;
@@ -688,85 +688,85 @@ void hw_perf_enable(void)
local_irq_restore(flags);
}
-static int collect_events(struct perf_counter *group, int max_count,
- struct perf_counter *ctrs[], u64 *events,
+static int collect_events(struct perf_event *group, int max_count,
+ struct perf_event *ctrs[], u64 *events,
unsigned int *flags)
{
int n = 0;
- struct perf_counter *counter;
+ struct perf_event *event;
- if (!is_software_counter(group)) {
+ if (!is_software_event(group)) {
if (n >= max_count)
return -1;
ctrs[n] = group;
- flags[n] = group->hw.counter_base;
+ flags[n] = group->hw.event_base;
events[n++] = group->hw.config;
}
- list_for_each_entry(counter, &group->sibling_list, list_entry) {
- if (!is_software_counter(counter) &&
- counter->state != PERF_COUNTER_STATE_OFF) {
+ list_for_each_entry(event, &group->sibling_list, list_entry) {
+ if (!is_software_event(event) &&
+ event->state != PERF_EVENT_STATE_OFF) {
if (n >= max_count)
return -1;
- ctrs[n] = counter;
- flags[n] = counter->hw.counter_base;
- events[n++] = counter->hw.config;
+ ctrs[n] = event;
+ flags[n] = event->hw.event_base;
+ events[n++] = event->hw.config;
}
}
return n;
}
-static void counter_sched_in(struct perf_counter *counter, int cpu)
+static void event_sched_in(struct perf_event *event, int cpu)
{
- counter->state = PERF_COUNTER_STATE_ACTIVE;
- counter->oncpu = cpu;
- counter->tstamp_running += counter->ctx->time - counter->tstamp_stopped;
- if (is_software_counter(counter))
- counter->pmu->enable(counter);
+ event->state = PERF_EVENT_STATE_ACTIVE;
+ event->oncpu = cpu;
+ event->tstamp_running += event->ctx->time - event->tstamp_stopped;
+ if (is_software_event(event))
+ event->pmu->enable(event);
}
/*
- * Called to enable a whole group of counters.
+ * Called to enable a whole group of events.
* Returns 1 if the group was enabled, or -EAGAIN if it could not be.
* Assumes the caller has disabled interrupts and has
* frozen the PMU with hw_perf_save_disable.
*/
-int hw_perf_group_sched_in(struct perf_counter *group_leader,
+int hw_perf_group_sched_in(struct perf_event *group_leader,
struct perf_cpu_context *cpuctx,
- struct perf_counter_context *ctx, int cpu)
+ struct perf_event_context *ctx, int cpu)
{
- struct cpu_hw_counters *cpuhw;
+ struct cpu_hw_events *cpuhw;
long i, n, n0;
- struct perf_counter *sub;
+ struct perf_event *sub;
if (!ppmu)
return 0;
- cpuhw = &__get_cpu_var(cpu_hw_counters);
- n0 = cpuhw->n_counters;
- n = collect_events(group_leader, ppmu->n_counter - n0,
- &cpuhw->counter[n0], &cpuhw->events[n0],
+ cpuhw = &__get_cpu_var(cpu_hw_events);
+ n0 = cpuhw->n_events;
+ n = collect_events(group_leader, ppmu->n_event - n0,
+ &cpuhw->event[n0], &cpuhw->events[n0],
&cpuhw->flags[n0]);
if (n < 0)
return -EAGAIN;
- if (check_excludes(cpuhw->counter, cpuhw->flags, n0, n))
+ if (check_excludes(cpuhw->event, cpuhw->flags, n0, n))
return -EAGAIN;
i = power_check_constraints(cpuhw, cpuhw->events, cpuhw->flags, n + n0);
if (i < 0)
return -EAGAIN;
- cpuhw->n_counters = n0 + n;
+ cpuhw->n_events = n0 + n;
cpuhw->n_added += n;
/*
- * OK, this group can go on; update counter states etc.,
- * and enable any software counters
+ * OK, this group can go on; update event states etc.,
+ * and enable any software events
*/
for (i = n0; i < n0 + n; ++i)
- cpuhw->counter[i]->hw.config = cpuhw->events[i];
+ cpuhw->event[i]->hw.config = cpuhw->events[i];
cpuctx->active_oncpu += n;
n = 1;
- counter_sched_in(group_leader, cpu);
+ event_sched_in(group_leader, cpu);
list_for_each_entry(sub, &group_leader->sibling_list, list_entry) {
- if (sub->state != PERF_COUNTER_STATE_OFF) {
- counter_sched_in(sub, cpu);
+ if (sub->state != PERF_EVENT_STATE_OFF) {
+ event_sched_in(sub, cpu);
++n;
}
}
@@ -776,14 +776,14 @@ int hw_perf_group_sched_in(struct perf_counter *group_leader,
}
/*
- * Add a counter to the PMU.
- * If all counters are not already frozen, then we disable and
+ * Add a event to the PMU.
+ * If all events are not already frozen, then we disable and
* re-enable the PMU in order to get hw_perf_enable to do the
* actual work of reconfiguring the PMU.
*/
-static int power_pmu_enable(struct perf_counter *counter)
+static int power_pmu_enable(struct perf_event *event)
{
- struct cpu_hw_counters *cpuhw;
+ struct cpu_hw_events *cpuhw;
unsigned long flags;
int n0;
int ret = -EAGAIN;
@@ -792,23 +792,23 @@ static int power_pmu_enable(struct perf_counter *counter)
perf_disable();
/*
- * Add the counter to the list (if there is room)
+ * Add the event to the list (if there is room)
* and check whether the total set is still feasible.
*/
- cpuhw = &__get_cpu_var(cpu_hw_counters);
- n0 = cpuhw->n_counters;
- if (n0 >= ppmu->n_counter)
+ cpuhw = &__get_cpu_var(cpu_hw_events);
+ n0 = cpuhw->n_events;
+ if (n0 >= ppmu->n_event)
goto out;
- cpuhw->counter[n0] = counter;
- cpuhw->events[n0] = counter->hw.config;
- cpuhw->flags[n0] = counter->hw.counter_base;
- if (check_excludes(cpuhw->counter, cpuhw->flags, n0, 1))
+ cpuhw->event[n0] = event;
+ cpuhw->events[n0] = event->hw.config;
+ cpuhw->flags[n0] = event->hw.event_base;
+ if (check_excludes(cpuhw->event, cpuhw->flags, n0, 1))
goto out;
if (power_check_constraints(cpuhw, cpuhw->events, cpuhw->flags, n0 + 1))
goto out;
- counter->hw.config = cpuhw->events[n0];
- ++cpuhw->n_counters;
+ event->hw.config = cpuhw->events[n0];
+ ++cpuhw->n_events;
++cpuhw->n_added;
ret = 0;
@@ -819,46 +819,46 @@ static int power_pmu_enable(struct perf_counter *counter)
}
/*
- * Remove a counter from the PMU.
+ * Remove a event from the PMU.
*/
-static void power_pmu_disable(struct perf_counter *counter)
+static void power_pmu_disable(struct perf_event *event)
{
- struct cpu_hw_counters *cpuhw;
+ struct cpu_hw_events *cpuhw;
long i;
unsigned long flags;
local_irq_save(flags);
perf_disable();
- power_pmu_read(counter);
-
- cpuhw = &__get_cpu_var(cpu_hw_counters);
- for (i = 0; i < cpuhw->n_counters; ++i) {
- if (counter == cpuhw->counter[i]) {
- while (++i < cpuhw->n_counters)
- cpuhw->counter[i-1] = cpuhw->counter[i];
- --cpuhw->n_counters;
- ppmu->disable_pmc(counter->hw.idx - 1, cpuhw->mmcr);
- if (counter->hw.idx) {
- write_pmc(counter->hw.idx, 0);
- counter->hw.idx = 0;
+ power_pmu_read(event);
+
+ cpuhw = &__get_cpu_var(cpu_hw_events);
+ for (i = 0; i < cpuhw->n_events; ++i) {
+ if (event == cpuhw->event[i]) {
+ while (++i < cpuhw->n_events)
+ cpuhw->event[i-1] = cpuhw->event[i];
+ --cpuhw->n_events;
+ ppmu->disable_pmc(event->hw.idx - 1, cpuhw->mmcr);
+ if (event->hw.idx) {
+ write_pmc(event->hw.idx, 0);
+ event->hw.idx = 0;
}
- perf_counter_update_userpage(counter);
+ perf_event_update_userpage(event);
break;
}
}
for (i = 0; i < cpuhw->n_limited; ++i)
- if (counter == cpuhw->limited_counter[i])
+ if (event == cpuhw->limited_event[i])
break;
if (i < cpuhw->n_limited) {
while (++i < cpuhw->n_limited) {
- cpuhw->limited_counter[i-1] = cpuhw->limited_counter[i];
+ cpuhw->limited_event[i-1] = cpuhw->limited_event[i];
cpuhw->limited_hwidx[i-1] = cpuhw->limited_hwidx[i];
}
--cpuhw->n_limited;
}
- if (cpuhw->n_counters == 0) {
- /* disable exceptions if no counters are running */
+ if (cpuhw->n_events == 0) {
+ /* disable exceptions if no events are running */
cpuhw->mmcr[0] &= ~(MMCR0_PMXE | MMCR0_FCECE);
}
@@ -867,28 +867,28 @@ static void power_pmu_disable(struct perf_counter *counter)
}
/*
- * Re-enable interrupts on a counter after they were throttled
+ * Re-enable interrupts on a event after they were throttled
* because they were coming too fast.
*/
-static void power_pmu_unthrottle(struct perf_counter *counter)
+static void power_pmu_unthrottle(struct perf_event *event)
{
s64 val, left;
unsigned long flags;
- if (!counter->hw.idx || !counter->hw.sample_period)
+ if (!event->hw.idx || !event->hw.sample_period)
return;
local_irq_save(flags);
perf_disable();
- power_pmu_read(counter);
- left = counter->hw.sample_period;
- counter->hw.last_period = left;
+ power_pmu_read(event);
+ left = event->hw.sample_period;
+ event->hw.last_period = left;
val = 0;
if (left < 0x80000000L)
val = 0x80000000L - left;
- write_pmc(counter->hw.idx, val);
- atomic64_set(&counter->hw.prev_count, val);
- atomic64_set(&counter->hw.period_left, left);
- perf_counter_update_userpage(counter);
+ write_pmc(event->hw.idx, val);
+ atomic64_set(&event->hw.prev_count, val);
+ atomic64_set(&event->hw.period_left, left);
+ perf_event_update_userpage(event);
perf_enable();
local_irq_restore(flags);
}
@@ -901,29 +901,29 @@ struct pmu power_pmu = {
};
/*
- * Return 1 if we might be able to put counter on a limited PMC,
+ * Return 1 if we might be able to put event on a limited PMC,
* or 0 if not.
- * A counter can only go on a limited PMC if it counts something
+ * A event can only go on a limited PMC if it counts something
* that a limited PMC can count, doesn't require interrupts, and
* doesn't exclude any processor mode.
*/
-static int can_go_on_limited_pmc(struct perf_counter *counter, u64 ev,
+static int can_go_on_limited_pmc(struct perf_event *event, u64 ev,
unsigned int flags)
{
int n;
u64 alt[MAX_EVENT_ALTERNATIVES];
- if (counter->attr.exclude_user
- || counter->attr.exclude_kernel
- || counter->attr.exclude_hv
- || counter->attr.sample_period)
+ if (event->attr.exclude_user
+ || event->attr.exclude_kernel
+ || event->attr.exclude_hv
+ || event->attr.sample_period)
return 0;
if (ppmu->limited_pmc_event(ev))
return 1;
/*
- * The requested event isn't on a limited PMC already;
+ * The requested event_id isn't on a limited PMC already;
* see if any alternative code goes on a limited PMC.
*/
if (!ppmu->get_alternatives)
@@ -936,9 +936,9 @@ static int can_go_on_limited_pmc(struct perf_counter *counter, u64 ev,
}
/*
- * Find an alternative event that goes on a normal PMC, if possible,
- * and return the event code, or 0 if there is no such alternative.
- * (Note: event code 0 is "don't count" on all machines.)
+ * Find an alternative event_id that goes on a normal PMC, if possible,
+ * and return the event_id code, or 0 if there is no such alternative.
+ * (Note: event_id code 0 is "don't count" on all machines.)
*/
static u64 normal_pmc_alternative(u64 ev, unsigned long flags)
{
@@ -952,26 +952,26 @@ static u64 normal_pmc_alternative(u64 ev, unsigned long flags)
return alt[0];
}
-/* Number of perf_counters counting hardware events */
-static atomic_t num_counters;
+/* Number of perf_events counting hardware events */
+static atomic_t num_events;
/* Used to avoid races in calling reserve/release_pmc_hardware */
static DEFINE_MUTEX(pmc_reserve_mutex);
/*
- * Release the PMU if this is the last perf_counter.
+ * Release the PMU if this is the last perf_event.
*/
-static void hw_perf_counter_destroy(struct perf_counter *counter)
+static void hw_perf_event_destroy(struct perf_event *event)
{
- if (!atomic_add_unless(&num_counters, -1, 1)) {
+ if (!atomic_add_unless(&num_events, -1, 1)) {
mutex_lock(&pmc_reserve_mutex);
- if (atomic_dec_return(&num_counters) == 0)
+ if (atomic_dec_return(&num_events) == 0)
release_pmc_hardware();
mutex_unlock(&pmc_reserve_mutex);
}
}
/*
- * Translate a generic cache event config to a raw event code.
+ * Translate a generic cache event_id config to a raw event_id code.
*/
static int hw_perf_cache_event(u64 config, u64 *eventp)
{
@@ -1000,39 +1000,39 @@ static int hw_perf_cache_event(u64 config, u64 *eventp)
return 0;
}
-const struct pmu *hw_perf_counter_init(struct perf_counter *counter)
+const struct pmu *hw_perf_event_init(struct perf_event *event)
{
u64 ev;
unsigned long flags;
- struct perf_counter *ctrs[MAX_HWCOUNTERS];
- u64 events[MAX_HWCOUNTERS];
- unsigned int cflags[MAX_HWCOUNTERS];
+ struct perf_event *ctrs[MAX_HWEVENTS];
+ u64 events[MAX_HWEVENTS];
+ unsigned int cflags[MAX_HWEVENTS];
int n;
int err;
- struct cpu_hw_counters *cpuhw;
+ struct cpu_hw_events *cpuhw;
if (!ppmu)
return ERR_PTR(-ENXIO);
- switch (counter->attr.type) {
+ switch (event->attr.type) {
case PERF_TYPE_HARDWARE:
- ev = counter->attr.config;
+ ev = event->attr.config;
if (ev >= ppmu->n_generic || ppmu->generic_events[ev] == 0)
return ERR_PTR(-EOPNOTSUPP);
ev = ppmu->generic_events[ev];
break;
case PERF_TYPE_HW_CACHE:
- err = hw_perf_cache_event(counter->attr.config, &ev);
+ err = hw_perf_cache_event(event->attr.config, &ev);
if (err)
return ERR_PTR(err);
break;
case PERF_TYPE_RAW:
- ev = counter->attr.config;
+ ev = event->attr.config;
break;
default:
return ERR_PTR(-EINVAL);
}
- counter->hw.config_base = ev;
- counter->hw.idx = 0;
+ event->hw.config_base = ev;
+ event->hw.idx = 0;
/*
* If we are not running on a hypervisor, force the
@@ -1040,28 +1040,28 @@ const struct pmu *hw_perf_counter_init(struct perf_counter *counter)
* the user set it to.
*/
if (!firmware_has_feature(FW_FEATURE_LPAR))
- counter->attr.exclude_hv = 0;
+ event->attr.exclude_hv = 0;
/*
- * If this is a per-task counter, then we can use
+ * If this is a per-task event, then we can use
* PM_RUN_* events interchangeably with their non RUN_*
* equivalents, e.g. PM_RUN_CYC instead of PM_CYC.
* XXX we should check if the task is an idle task.
*/
flags = 0;
- if (counter->ctx->task)
+ if (event->ctx->task)
flags |= PPMU_ONLY_COUNT_RUN;
/*
- * If this machine has limited counters, check whether this
- * event could go on a limited counter.
+ * If this machine has limited events, check whether this
+ * event_id could go on a limited event.
*/
if (ppmu->flags & PPMU_LIMITED_PMC5_6) {
- if (can_go_on_limited_pmc(counter, ev, flags)) {
+ if (can_go_on_limited_pmc(event, ev, flags)) {
flags |= PPMU_LIMITED_PMC_OK;
} else if (ppmu->limited_pmc_event(ev)) {
/*
- * The requested event is on a limited PMC,
+ * The requested event_id is on a limited PMC,
* but we can't use a limited PMC; see if any
* alternative goes on a normal PMC.
*/
@@ -1073,50 +1073,50 @@ const struct pmu *hw_perf_counter_init(struct perf_counter *counter)
/*
* If this is in a group, check if it can go on with all the
- * other hardware counters in the group. We assume the counter
+ * other hardware events in the group. We assume the event
* hasn't been linked into its leader's sibling list at this point.
*/
n = 0;
- if (counter->group_leader != counter) {
- n = collect_events(counter->group_leader, ppmu->n_counter - 1,
+ if (event->group_leader != event) {
+ n = collect_events(event->group_leader, ppmu->n_event - 1,
ctrs, events, cflags);
if (n < 0)
return ERR_PTR(-EINVAL);
}
events[n] = ev;
- ctrs[n] = counter;
+ ctrs[n] = event;
cflags[n] = flags;
if (check_excludes(ctrs, cflags, n, 1))
return ERR_PTR(-EINVAL);
- cpuhw = &get_cpu_var(cpu_hw_counters);
+ cpuhw = &get_cpu_var(cpu_hw_events);
err = power_check_constraints(cpuhw, events, cflags, n + 1);
- put_cpu_var(cpu_hw_counters);
+ put_cpu_var(cpu_hw_events);
if (err)
return ERR_PTR(-EINVAL);
- counter->hw.config = events[n];
- counter->hw.counter_base = cflags[n];
- counter->hw.last_period = counter->hw.sample_period;
- atomic64_set(&counter->hw.period_left, counter->hw.last_period);
+ event->hw.config = events[n];
+ event->hw.event_base = cflags[n];
+ event->hw.last_period = event->hw.sample_period;
+ atomic64_set(&event->hw.period_left, event->hw.last_period);
/*
* See if we need to reserve the PMU.
- * If no counters are currently in use, then we have to take a
+ * If no events are currently in use, then we have to take a
* mutex to ensure that we don't race with another task doing
* reserve_pmc_hardware or release_pmc_hardware.
*/
err = 0;
- if (!atomic_inc_not_zero(&num_counters)) {
+ if (!atomic_inc_not_zero(&num_events)) {
mutex_lock(&pmc_reserve_mutex);
- if (atomic_read(&num_counters) == 0 &&
- reserve_pmc_hardware(perf_counter_interrupt))
+ if (atomic_read(&num_events) == 0 &&
+ reserve_pmc_hardware(perf_event_interrupt))
err = -EBUSY;
else
- atomic_inc(&num_counters);
+ atomic_inc(&num_events);
mutex_unlock(&pmc_reserve_mutex);
}
- counter->destroy = hw_perf_counter_destroy;
+ event->destroy = hw_perf_event_destroy;
if (err)
return ERR_PTR(err);
@@ -1124,28 +1124,28 @@ const struct pmu *hw_perf_counter_init(struct perf_counter *counter)
}
/*
- * A counter has overflowed; update its count and record
+ * A event has overflowed; update its count and record
* things if requested. Note that interrupts are hard-disabled
* here so there is no possibility of being interrupted.
*/
-static void record_and_restart(struct perf_counter *counter, unsigned long val,
+static void record_and_restart(struct perf_event *event, unsigned long val,
struct pt_regs *regs, int nmi)
{
- u64 period = counter->hw.sample_period;
+ u64 period = event->hw.sample_period;
s64 prev, delta, left;
int record = 0;
/* we don't have to worry about interrupts here */
- prev = atomic64_read(&counter->hw.prev_count);
+ prev = atomic64_read(&event->hw.prev_count);
delta = (val - prev) & 0xfffffffful;
- atomic64_add(delta, &counter->count);
+ atomic64_add(delta, &event->count);
/*
- * See if the total period for this counter has expired,
+ * See if the total period for this event has expired,
* and update for the next period.
*/
val = 0;
- left = atomic64_read(&counter->hw.period_left) - delta;
+ left = atomic64_read(&event->hw.period_left) - delta;
if (period) {
if (left <= 0) {
left += period;
@@ -1163,18 +1163,18 @@ static void record_and_restart(struct perf_counter *counter, unsigned long val,
if (record) {
struct perf_sample_data data = {
.addr = 0,
- .period = counter->hw.last_period,
+ .period = event->hw.last_period,
};
- if (counter->attr.sample_type & PERF_SAMPLE_ADDR)
+ if (event->attr.sample_type & PERF_SAMPLE_ADDR)
perf_get_data_addr(regs, &data.addr);
- if (perf_counter_overflow(counter, nmi, &data, regs)) {
+ if (perf_event_overflow(event, nmi, &data, regs)) {
/*
* Interrupts are coming too fast - throttle them
- * by setting the counter to 0, so it will be
+ * by setting the event to 0, so it will be
* at least 2^30 cycles until the next interrupt
- * (assuming each counter counts at most 2 counts
+ * (assuming each event counts at most 2 counts
* per cycle).
*/
val = 0;
@@ -1182,15 +1182,15 @@ static void record_and_restart(struct perf_counter *counter, unsigned long val,
}
}
- write_pmc(counter->hw.idx, val);
- atomic64_set(&counter->hw.prev_count, val);
- atomic64_set(&counter->hw.period_left, left);
- perf_counter_update_userpage(counter);
+ write_pmc(event->hw.idx, val);
+ atomic64_set(&event->hw.prev_count, val);
+ atomic64_set(&event->hw.period_left, left);
+ perf_event_update_userpage(event);
}
/*
* Called from generic code to get the misc flags (i.e. processor mode)
- * for an event.
+ * for an event_id.
*/
unsigned long perf_misc_flags(struct pt_regs *regs)
{
@@ -1198,13 +1198,13 @@ unsigned long perf_misc_flags(struct pt_regs *regs)
if (flags)
return flags;
- return user_mode(regs) ? PERF_EVENT_MISC_USER :
- PERF_EVENT_MISC_KERNEL;
+ return user_mode(regs) ? PERF_RECORD_MISC_USER :
+ PERF_RECORD_MISC_KERNEL;
}
/*
* Called from generic code to get the instruction pointer
- * for an event.
+ * for an event_id.
*/
unsigned long perf_instruction_pointer(struct pt_regs *regs)
{
@@ -1220,17 +1220,17 @@ unsigned long perf_instruction_pointer(struct pt_regs *regs)
/*
* Performance monitor interrupt stuff
*/
-static void perf_counter_interrupt(struct pt_regs *regs)
+static void perf_event_interrupt(struct pt_regs *regs)
{
int i;
- struct cpu_hw_counters *cpuhw = &__get_cpu_var(cpu_hw_counters);
- struct perf_counter *counter;
+ struct cpu_hw_events *cpuhw = &__get_cpu_var(cpu_hw_events);
+ struct perf_event *event;
unsigned long val;
int found = 0;
int nmi;
if (cpuhw->n_limited)
- freeze_limited_counters(cpuhw, mfspr(SPRN_PMC5),
+ freeze_limited_events(cpuhw, mfspr(SPRN_PMC5),
mfspr(SPRN_PMC6));
perf_read_regs(regs);
@@ -1241,26 +1241,26 @@ static void perf_counter_interrupt(struct pt_regs *regs)
else
irq_enter();
- for (i = 0; i < cpuhw->n_counters; ++i) {
- counter = cpuhw->counter[i];
- if (!counter->hw.idx || is_limited_pmc(counter->hw.idx))
+ for (i = 0; i < cpuhw->n_events; ++i) {
+ event = cpuhw->event[i];
+ if (!event->hw.idx || is_limited_pmc(event->hw.idx))
continue;
- val = read_pmc(counter->hw.idx);
+ val = read_pmc(event->hw.idx);
if ((int)val < 0) {
- /* counter has overflowed */
+ /* event has overflowed */
found = 1;
- record_and_restart(counter, val, regs, nmi);
+ record_and_restart(event, val, regs, nmi);
}
}
/*
- * In case we didn't find and reset the counter that caused
- * the interrupt, scan all counters and reset any that are
+ * In case we didn't find and reset the event that caused
+ * the interrupt, scan all events and reset any that are
* negative, to avoid getting continual interrupts.
* Any that we processed in the previous loop will not be negative.
*/
if (!found) {
- for (i = 0; i < ppmu->n_counter; ++i) {
+ for (i = 0; i < ppmu->n_event; ++i) {
if (is_limited_pmc(i + 1))
continue;
val = read_pmc(i + 1);
@@ -1271,9 +1271,9 @@ static void perf_counter_interrupt(struct pt_regs *regs)
/*
* Reset MMCR0 to its normal value. This will set PMXE and
- * clear FC (freeze counters) and PMAO (perf mon alert occurred)
+ * clear FC (freeze events) and PMAO (perf mon alert occurred)
* and thus allow interrupts to occur again.
- * XXX might want to use MSR.PM to keep the counters frozen until
+ * XXX might want to use MSR.PM to keep the events frozen until
* we get back out of this interrupt.
*/
write_mmcr0(cpuhw, cpuhw->mmcr[0]);
@@ -1284,9 +1284,9 @@ static void perf_counter_interrupt(struct pt_regs *regs)
irq_exit();
}
-void hw_perf_counter_setup(int cpu)
+void hw_perf_event_setup(int cpu)
{
- struct cpu_hw_counters *cpuhw = &per_cpu(cpu_hw_counters, cpu);
+ struct cpu_hw_events *cpuhw = &per_cpu(cpu_hw_events, cpu);
if (!ppmu)
return;
@@ -1308,7 +1308,7 @@ int register_power_pmu(struct power_pmu *pmu)
* Use FCHV to ignore kernel events if MSR.HV is set.
*/
if (mfmsr() & MSR_HV)
- freeze_counters_kernel = MMCR0_FCHV;
+ freeze_events_kernel = MMCR0_FCHV;
#endif /* CONFIG_PPC64 */
return 0;
diff --git a/arch/powerpc/kernel/power4-pmu.c b/arch/powerpc/kernel/power4-pmu.c
index 3c90a3d9173..2a361cdda63 100644
--- a/arch/powerpc/kernel/power4-pmu.c
+++ b/arch/powerpc/kernel/power4-pmu.c
@@ -9,7 +9,7 @@
* 2 of the License, or (at your option) any later version.
*/
#include <linux/kernel.h>
-#include <linux/perf_counter.h>
+#include <linux/perf_event.h>
#include <linux/string.h>
#include <asm/reg.h>
#include <asm/cputable.h>
diff --git a/arch/powerpc/kernel/power5+-pmu.c b/arch/powerpc/kernel/power5+-pmu.c
index 31918af3e35..0f4c1c73a6a 100644
--- a/arch/powerpc/kernel/power5+-pmu.c
+++ b/arch/powerpc/kernel/power5+-pmu.c
@@ -9,7 +9,7 @@
* 2 of the License, or (at your option) any later version.
*/
#include <linux/kernel.h>
-#include <linux/perf_counter.h>
+#include <linux/perf_event.h>
#include <linux/string.h>
#include <asm/reg.h>
#include <asm/cputable.h>
diff --git a/arch/powerpc/kernel/power5-pmu.c b/arch/powerpc/kernel/power5-pmu.c
index 867f6f66396..c351b3a57fb 100644
--- a/arch/powerpc/kernel/power5-pmu.c
+++ b/arch/powerpc/kernel/power5-pmu.c
@@ -9,7 +9,7 @@
* 2 of the License, or (at your option) any later version.
*/
#include <linux/kernel.h>
-#include <linux/perf_counter.h>
+#include <linux/perf_event.h>
#include <linux/string.h>
#include <asm/reg.h>
#include <asm/cputable.h>
diff --git a/arch/powerpc/kernel/power6-pmu.c b/arch/powerpc/kernel/power6-pmu.c
index fa21890531d..ca399ba5034 100644
--- a/arch/powerpc/kernel/power6-pmu.c
+++ b/arch/powerpc/kernel/power6-pmu.c
@@ -9,7 +9,7 @@
* 2 of the License, or (at your option) any later version.
*/
#include <linux/kernel.h>
-#include <linux/perf_counter.h>
+#include <linux/perf_event.h>
#include <linux/string.h>
#include <asm/reg.h>
#include <asm/cputable.h>
diff --git a/arch/powerpc/kernel/power7-pmu.c b/arch/powerpc/kernel/power7-pmu.c
index 018d094d92f..28a4daacdc0 100644
--- a/arch/powerpc/kernel/power7-pmu.c
+++ b/arch/powerpc/kernel/power7-pmu.c
@@ -9,7 +9,7 @@
* 2 of the License, or (at your option) any later version.
*/
#include <linux/kernel.h>
-#include <linux/perf_counter.h>
+#include <linux/perf_event.h>
#include <linux/string.h>
#include <asm/reg.h>
#include <asm/cputable.h>
diff --git a/arch/powerpc/kernel/ppc970-pmu.c b/arch/powerpc/kernel/ppc970-pmu.c
index 75dccb71a04..479574413a9 100644
--- a/arch/powerpc/kernel/ppc970-pmu.c
+++ b/arch/powerpc/kernel/ppc970-pmu.c
@@ -9,7 +9,7 @@
* 2 of the License, or (at your option) any later version.
*/
#include <linux/string.h>
-#include <linux/perf_counter.h>
+#include <linux/perf_event.h>
#include <asm/reg.h>
#include <asm/cputable.h>
diff --git a/arch/powerpc/kernel/time.c b/arch/powerpc/kernel/time.c
index 465e498bcb3..df45a7449a6 100644
--- a/arch/powerpc/kernel/time.c
+++ b/arch/powerpc/kernel/time.c
@@ -53,7 +53,7 @@
#include <linux/posix-timers.h>
#include <linux/irq.h>
#include <linux/delay.h>
-#include <linux/perf_counter.h>
+#include <linux/perf_event.h>
#include <asm/io.h>
#include <asm/processor.h>
@@ -527,25 +527,25 @@ void __init iSeries_time_init_early(void)
}
#endif /* CONFIG_PPC_ISERIES */
-#if defined(CONFIG_PERF_COUNTERS) && defined(CONFIG_PPC32)
-DEFINE_PER_CPU(u8, perf_counter_pending);
+#if defined(CONFIG_PERF_EVENTS) && defined(CONFIG_PPC32)
+DEFINE_PER_CPU(u8, perf_event_pending);
-void set_perf_counter_pending(void)
+void set_perf_event_pending(void)
{
- get_cpu_var(perf_counter_pending) = 1;
+ get_cpu_var(perf_event_pending) = 1;
set_dec(1);
- put_cpu_var(perf_counter_pending);
+ put_cpu_var(perf_event_pending);
}
-#define test_perf_counter_pending() __get_cpu_var(perf_counter_pending)
-#define clear_perf_counter_pending() __get_cpu_var(perf_counter_pending) = 0
+#define test_perf_event_pending() __get_cpu_var(perf_event_pending)
+#define clear_perf_event_pending() __get_cpu_var(perf_event_pending) = 0
-#else /* CONFIG_PERF_COUNTERS && CONFIG_PPC32 */
+#else /* CONFIG_PERF_EVENTS && CONFIG_PPC32 */
-#define test_perf_counter_pending() 0
-#define clear_perf_counter_pending()
+#define test_perf_event_pending() 0
+#define clear_perf_event_pending()
-#endif /* CONFIG_PERF_COUNTERS && CONFIG_PPC32 */
+#endif /* CONFIG_PERF_EVENTS && CONFIG_PPC32 */
/*
* For iSeries shared processors, we have to let the hypervisor
@@ -573,9 +573,9 @@ void timer_interrupt(struct pt_regs * regs)
set_dec(DECREMENTER_MAX);
#ifdef CONFIG_PPC32
- if (test_perf_counter_pending()) {
- clear_perf_counter_pending();
- perf_counter_do_pending();
+ if (test_perf_event_pending()) {
+ clear_perf_event_pending();
+ perf_event_do_pending();
}
if (atomic_read(&ppc_n_lost_interrupts) != 0)
do_IRQ(regs);
diff --git a/arch/powerpc/mm/fault.c b/arch/powerpc/mm/fault.c
index 830bef0a113..e7dae82c128 100644
--- a/arch/powerpc/mm/fault.c
+++ b/arch/powerpc/mm/fault.c
@@ -29,7 +29,7 @@
#include <linux/module.h>
#include <linux/kprobes.h>
#include <linux/kdebug.h>
-#include <linux/perf_counter.h>
+#include <linux/perf_event.h>
#include <asm/firmware.h>
#include <asm/page.h>
@@ -171,7 +171,7 @@ int __kprobes do_page_fault(struct pt_regs *regs, unsigned long address,
die("Weird page fault", regs, SIGSEGV);
}
- perf_swcounter_event(PERF_COUNT_SW_PAGE_FAULTS, 1, 0, regs, address);
+ perf_sw_event(PERF_COUNT_SW_PAGE_FAULTS, 1, 0, regs, address);
/* When running in the kernel we expect faults to occur only to
* addresses in user space. All other faults represent errors in the
@@ -312,7 +312,7 @@ good_area:
}
if (ret & VM_FAULT_MAJOR) {
current->maj_flt++;
- perf_swcounter_event(PERF_COUNT_SW_PAGE_FAULTS_MAJ, 1, 0,
+ perf_sw_event(PERF_COUNT_SW_PAGE_FAULTS_MAJ, 1, 0,
regs, address);
#ifdef CONFIG_PPC_SMLPAR
if (firmware_has_feature(FW_FEATURE_CMO)) {
@@ -323,7 +323,7 @@ good_area:
#endif
} else {
current->min_flt++;
- perf_swcounter_event(PERF_COUNT_SW_PAGE_FAULTS_MIN, 1, 0,
+ perf_sw_event(PERF_COUNT_SW_PAGE_FAULTS_MIN, 1, 0,
regs, address);
}
up_read(&mm->mmap_sem);
diff --git a/arch/powerpc/platforms/Kconfig.cputype b/arch/powerpc/platforms/Kconfig.cputype
index 9efc8bda01b..e382cae678b 100644
--- a/arch/powerpc/platforms/Kconfig.cputype
+++ b/arch/powerpc/platforms/Kconfig.cputype
@@ -280,9 +280,9 @@ config PPC_HAVE_PMU_SUPPORT
config PPC_PERF_CTRS
def_bool y
- depends on PERF_COUNTERS && PPC_HAVE_PMU_SUPPORT
+ depends on PERF_EVENTS && PPC_HAVE_PMU_SUPPORT
help
- This enables the powerpc-specific perf_counter back-end.
+ This enables the powerpc-specific perf_event back-end.
config SMP
depends on PPC_BOOK3S || PPC_BOOK3E || FSL_BOOKE
diff --git a/arch/s390/Kconfig b/arch/s390/Kconfig
index 1c866efd217..43c0acad716 100644
--- a/arch/s390/Kconfig
+++ b/arch/s390/Kconfig
@@ -94,7 +94,7 @@ config S390
select HAVE_KVM if 64BIT
select HAVE_ARCH_TRACEHOOK
select INIT_ALL_POSSIBLE
- select HAVE_PERF_COUNTERS
+ select HAVE_PERF_EVENTS
config SCHED_OMIT_FRAME_POINTER
bool
diff --git a/arch/s390/include/asm/perf_counter.h b/arch/s390/include/asm/perf_counter.h
deleted file mode 100644
index 7015188c2cc..00000000000
--- a/arch/s390/include/asm/perf_counter.h
+++ /dev/null
@@ -1,10 +0,0 @@
-/*
- * Performance counter support - s390 specific definitions.
- *
- * Copyright 2009 Martin Schwidefsky, IBM Corporation.
- */
-
-static inline void set_perf_counter_pending(void) {}
-static inline void clear_perf_counter_pending(void) {}
-
-#define PERF_COUNTER_INDEX_OFFSET 0
diff --git a/arch/s390/include/asm/perf_event.h b/arch/s390/include/asm/perf_event.h
new file mode 100644
index 00000000000..3840cbe7763
--- /dev/null
+++ b/arch/s390/include/asm/perf_event.h
@@ -0,0 +1,10 @@
+/*
+ * Performance event support - s390 specific definitions.
+ *
+ * Copyright 2009 Martin Schwidefsky, IBM Corporation.
+ */
+
+static inline void set_perf_event_pending(void) {}
+static inline void clear_perf_event_pending(void) {}
+
+#define PERF_EVENT_INDEX_OFFSET 0
diff --git a/arch/s390/include/asm/unistd.h b/arch/s390/include/asm/unistd.h
index c80602d7c88..cb5232df151 100644
--- a/arch/s390/include/asm/unistd.h
+++ b/arch/s390/include/asm/unistd.h
@@ -268,7 +268,7 @@
#define __NR_preadv 328
#define __NR_pwritev 329
#define __NR_rt_tgsigqueueinfo 330
-#define __NR_perf_counter_open 331
+#define __NR_perf_event_open 331
#define NR_syscalls 332
/*
diff --git a/arch/s390/kernel/compat_wrapper.S b/arch/s390/kernel/compat_wrapper.S
index 88a83366819..624790042d4 100644
--- a/arch/s390/kernel/compat_wrapper.S
+++ b/arch/s390/kernel/compat_wrapper.S
@@ -1832,11 +1832,11 @@ compat_sys_rt_tgsigqueueinfo_wrapper:
llgtr %r5,%r5 # struct compat_siginfo *
jg compat_sys_rt_tgsigqueueinfo_wrapper # branch to system call
- .globl sys_perf_counter_open_wrapper
-sys_perf_counter_open_wrapper:
- llgtr %r2,%r2 # const struct perf_counter_attr *
+ .globl sys_perf_event_open_wrapper
+sys_perf_event_open_wrapper:
+ llgtr %r2,%r2 # const struct perf_event_attr *
lgfr %r3,%r3 # pid_t
lgfr %r4,%r4 # int
lgfr %r5,%r5 # int
llgfr %r6,%r6 # unsigned long
- jg sys_perf_counter_open # branch to system call
+ jg sys_perf_event_open # branch to system call
diff --git a/arch/s390/kernel/syscalls.S b/arch/s390/kernel/syscalls.S
index ad1acd20038..0b5083681e7 100644
--- a/arch/s390/kernel/syscalls.S
+++ b/arch/s390/kernel/syscalls.S
@@ -339,4 +339,4 @@ SYSCALL(sys_epoll_create1,sys_epoll_create1,sys_epoll_create1_wrapper)
SYSCALL(sys_preadv,sys_preadv,compat_sys_preadv_wrapper)
SYSCALL(sys_pwritev,sys_pwritev,compat_sys_pwritev_wrapper)
SYSCALL(sys_rt_tgsigqueueinfo,sys_rt_tgsigqueueinfo,compat_sys_rt_tgsigqueueinfo_wrapper) /* 330 */
-SYSCALL(sys_perf_counter_open,sys_perf_counter_open,sys_perf_counter_open_wrapper)
+SYSCALL(sys_perf_event_open,sys_perf_event_open,sys_perf_event_open_wrapper)
diff --git a/arch/s390/mm/fault.c b/arch/s390/mm/fault.c
index 1abbadd497e..6d507462967 100644
--- a/arch/s390/mm/fault.c
+++ b/arch/s390/mm/fault.c
@@ -10,7 +10,7 @@
* Copyright (C) 1995 Linus Torvalds
*/
-#include <linux/perf_counter.h>
+#include <linux/perf_event.h>
#include <linux/signal.h>
#include <linux/sched.h>
#include <linux/kernel.h>
@@ -306,7 +306,7 @@ do_exception(struct pt_regs *regs, unsigned long error_code, int write)
* interrupts again and then search the VMAs
*/
local_irq_enable();
- perf_swcounter_event(PERF_COUNT_SW_PAGE_FAULTS, 1, 0, regs, address);
+ perf_sw_event(PERF_COUNT_SW_PAGE_FAULTS, 1, 0, regs, address);
down_read(&mm->mmap_sem);
si_code = SEGV_MAPERR;
@@ -366,11 +366,11 @@ good_area:
}
if (fault & VM_FAULT_MAJOR) {
tsk->maj_flt++;
- perf_swcounter_event(PERF_COUNT_SW_PAGE_FAULTS_MAJ, 1, 0,
+ perf_sw_event(PERF_COUNT_SW_PAGE_FAULTS_MAJ, 1, 0,
regs, address);
} else {
tsk->min_flt++;
- perf_swcounter_event(PERF_COUNT_SW_PAGE_FAULTS_MIN, 1, 0,
+ perf_sw_event(PERF_COUNT_SW_PAGE_FAULTS_MIN, 1, 0,
regs, address);
}
up_read(&mm->mmap_sem);
diff --git a/arch/sh/Kconfig b/arch/sh/Kconfig
index 4df3570fe51..b940424f8cc 100644
--- a/arch/sh/Kconfig
+++ b/arch/sh/Kconfig
@@ -16,7 +16,7 @@ config SUPERH
select HAVE_IOREMAP_PROT if MMU
select HAVE_ARCH_TRACEHOOK
select HAVE_DMA_API_DEBUG
- select HAVE_PERF_COUNTERS
+ select HAVE_PERF_EVENTS
select HAVE_KERNEL_GZIP
select HAVE_KERNEL_BZIP2
select HAVE_KERNEL_LZMA
diff --git a/arch/sh/include/asm/perf_counter.h b/arch/sh/include/asm/perf_counter.h
deleted file mode 100644
index d8e6bb9c0cc..00000000000
--- a/arch/sh/include/asm/perf_counter.h
+++ /dev/null
@@ -1,9 +0,0 @@
-#ifndef __ASM_SH_PERF_COUNTER_H
-#define __ASM_SH_PERF_COUNTER_H
-
-/* SH only supports software counters through this interface. */
-static inline void set_perf_counter_pending(void) {}
-
-#define PERF_COUNTER_INDEX_OFFSET 0
-
-#endif /* __ASM_SH_PERF_COUNTER_H */
diff --git a/arch/sh/include/asm/perf_event.h b/arch/sh/include/asm/perf_event.h
new file mode 100644
index 00000000000..11a302297ab
--- /dev/null
+++ b/arch/sh/include/asm/perf_event.h
@@ -0,0 +1,9 @@
+#ifndef __ASM_SH_PERF_EVENT_H
+#define __ASM_SH_PERF_EVENT_H
+
+/* SH only supports software events through this interface. */
+static inline void set_perf_event_pending(void) {}
+
+#define PERF_EVENT_INDEX_OFFSET 0
+
+#endif /* __ASM_SH_PERF_EVENT_H */
diff --git a/arch/sh/include/asm/unistd_32.h b/arch/sh/include/asm/unistd_32.h
index 925dd40d9d5..f3fd1b9eb6b 100644
--- a/arch/sh/include/asm/unistd_32.h
+++ b/arch/sh/include/asm/unistd_32.h
@@ -344,7 +344,7 @@
#define __NR_preadv 333
#define __NR_pwritev 334
#define __NR_rt_tgsigqueueinfo 335
-#define __NR_perf_counter_open 336
+#define __NR_perf_event_open 336
#define NR_syscalls 337
diff --git a/arch/sh/include/asm/unistd_64.h b/arch/sh/include/asm/unistd_64.h
index 2b84bc916bc..343ce8f073e 100644
--- a/arch/sh/include/asm/unistd_64.h
+++ b/arch/sh/include/asm/unistd_64.h
@@ -384,7 +384,7 @@
#define __NR_preadv 361
#define __NR_pwritev 362
#define __NR_rt_tgsigqueueinfo 363
-#define __NR_perf_counter_open 364
+#define __NR_perf_event_open 364
#ifdef __KERNEL__
diff --git a/arch/sh/kernel/syscalls_32.S b/arch/sh/kernel/syscalls_32.S
index 16ba225ede8..19fd11dd987 100644
--- a/arch/sh/kernel/syscalls_32.S
+++ b/arch/sh/kernel/syscalls_32.S
@@ -352,4 +352,4 @@ ENTRY(sys_call_table)
.long sys_preadv
.long sys_pwritev
.long sys_rt_tgsigqueueinfo /* 335 */
- .long sys_perf_counter_open
+ .long sys_perf_event_open
diff --git a/arch/sh/kernel/syscalls_64.S b/arch/sh/kernel/syscalls_64.S
index af6fb7410c2..5bfde6c7749 100644
--- a/arch/sh/kernel/syscalls_64.S
+++ b/arch/sh/kernel/syscalls_64.S
@@ -390,4 +390,4 @@ sys_call_table:
.long sys_preadv
.long sys_pwritev
.long sys_rt_tgsigqueueinfo
- .long sys_perf_counter_open
+ .long sys_perf_event_open
diff --git a/arch/sh/mm/fault_32.c b/arch/sh/mm/fault_32.c
index 781b413ff82..47530104e0a 100644
--- a/arch/sh/mm/fault_32.c
+++ b/arch/sh/mm/fault_32.c
@@ -15,7 +15,7 @@
#include <linux/mm.h>
#include <linux/hardirq.h>
#include <linux/kprobes.h>
-#include <linux/perf_counter.h>
+#include <linux/perf_event.h>
#include <asm/io_trapped.h>
#include <asm/system.h>
#include <asm/mmu_context.h>
@@ -157,7 +157,7 @@ asmlinkage void __kprobes do_page_fault(struct pt_regs *regs,
if ((regs->sr & SR_IMASK) != SR_IMASK)
local_irq_enable();
- perf_swcounter_event(PERF_COUNT_SW_PAGE_FAULTS, 1, 0, regs, address);
+ perf_sw_event(PERF_COUNT_SW_PAGE_FAULTS, 1, 0, regs, address);
/*
* If we're in an interrupt, have no user context or are running
@@ -208,11 +208,11 @@ survive:
}
if (fault & VM_FAULT_MAJOR) {
tsk->maj_flt++;
- perf_swcounter_event(PERF_COUNT_SW_PAGE_FAULTS_MAJ, 1, 0,
+ perf_sw_event(PERF_COUNT_SW_PAGE_FAULTS_MAJ, 1, 0,
regs, address);
} else {
tsk->min_flt++;
- perf_swcounter_event(PERF_COUNT_SW_PAGE_FAULTS_MIN, 1, 0,
+ perf_sw_event(PERF_COUNT_SW_PAGE_FAULTS_MIN, 1, 0,
regs, address);
}
diff --git a/arch/sh/mm/tlbflush_64.c b/arch/sh/mm/tlbflush_64.c
index 2dcc48528f7..de0b0e88182 100644
--- a/arch/sh/mm/tlbflush_64.c
+++ b/arch/sh/mm/tlbflush_64.c
@@ -20,7 +20,7 @@
#include <linux/mman.h>
#include <linux/mm.h>
#include <linux/smp.h>
-#include <linux/perf_counter.h>
+#include <linux/perf_event.h>
#include <linux/interrupt.h>
#include <asm/system.h>
#include <asm/io.h>
@@ -116,7 +116,7 @@ asmlinkage void do_page_fault(struct pt_regs *regs, unsigned long writeaccess,
/* Not an IO address, so reenable interrupts */
local_irq_enable();
- perf_swcounter_event(PERF_COUNT_SW_PAGE_FAULTS, 1, 0, regs, address);
+ perf_sw_event(PERF_COUNT_SW_PAGE_FAULTS, 1, 0, regs, address);
/*
* If we're in an interrupt or have no user
@@ -201,11 +201,11 @@ survive:
if (fault & VM_FAULT_MAJOR) {
tsk->maj_flt++;
- perf_swcounter_event(PERF_COUNT_SW_PAGE_FAULTS_MAJ, 1, 0,
+ perf_sw_event(PERF_COUNT_SW_PAGE_FAULTS_MAJ, 1, 0,
regs, address);
} else {
tsk->min_flt++;
- perf_swcounter_event(PERF_COUNT_SW_PAGE_FAULTS_MIN, 1, 0,
+ perf_sw_event(PERF_COUNT_SW_PAGE_FAULTS_MIN, 1, 0,
regs, address);
}
diff --git a/arch/sparc/Kconfig b/arch/sparc/Kconfig
index 86b82348b97..97fca4695e0 100644
--- a/arch/sparc/Kconfig
+++ b/arch/sparc/Kconfig
@@ -25,7 +25,7 @@ config SPARC
select ARCH_WANT_OPTIONAL_GPIOLIB
select RTC_CLASS
select RTC_DRV_M48T59
- select HAVE_PERF_COUNTERS
+ select HAVE_PERF_EVENTS
select HAVE_DMA_ATTRS
select HAVE_DMA_API_DEBUG
@@ -47,7 +47,7 @@ config SPARC64
select RTC_DRV_BQ4802
select RTC_DRV_SUN4V
select RTC_DRV_STARFIRE
- select HAVE_PERF_COUNTERS
+ select HAVE_PERF_EVENTS
config ARCH_DEFCONFIG
string
diff --git a/arch/sparc/include/asm/perf_counter.h b/arch/sparc/include/asm/perf_counter.h
deleted file mode 100644
index 5d7a8ca0e49..00000000000
--- a/arch/sparc/include/asm/perf_counter.h
+++ /dev/null
@@ -1,14 +0,0 @@
-#ifndef __ASM_SPARC_PERF_COUNTER_H
-#define __ASM_SPARC_PERF_COUNTER_H
-
-extern void set_perf_counter_pending(void);
-
-#define PERF_COUNTER_INDEX_OFFSET 0
-
-#ifdef CONFIG_PERF_COUNTERS
-extern void init_hw_perf_counters(void);
-#else
-static inline void init_hw_perf_counters(void) { }
-#endif
-
-#endif
diff --git a/arch/sparc/include/asm/perf_event.h b/arch/sparc/include/asm/perf_event.h
new file mode 100644
index 00000000000..7e2669894ce
--- /dev/null
+++ b/arch/sparc/include/asm/perf_event.h
@@ -0,0 +1,14 @@
+#ifndef __ASM_SPARC_PERF_EVENT_H
+#define __ASM_SPARC_PERF_EVENT_H
+
+extern void set_perf_event_pending(void);
+
+#define PERF_EVENT_INDEX_OFFSET 0
+
+#ifdef CONFIG_PERF_EVENTS
+extern void init_hw_perf_events(void);
+#else
+static inline void init_hw_perf_events(void) { }
+#endif
+
+#endif
diff --git a/arch/sparc/include/asm/unistd.h b/arch/sparc/include/asm/unistd.h
index 706df669f3b..42f2316c3ea 100644
--- a/arch/sparc/include/asm/unistd.h
+++ b/arch/sparc/include/asm/unistd.h
@@ -395,7 +395,7 @@
#define __NR_preadv 324
#define __NR_pwritev 325
#define __NR_rt_tgsigqueueinfo 326
-#define __NR_perf_counter_open 327
+#define __NR_perf_event_open 327
#define NR_SYSCALLS 328
diff --git a/arch/sparc/kernel/Makefile b/arch/sparc/kernel/Makefile
index 247cc620cee..3a048fad7ee 100644
--- a/arch/sparc/kernel/Makefile
+++ b/arch/sparc/kernel/Makefile
@@ -104,5 +104,5 @@ obj-$(CONFIG_AUDIT) += audit.o
audit--$(CONFIG_AUDIT) := compat_audit.o
obj-$(CONFIG_COMPAT) += $(audit--y)
-pc--$(CONFIG_PERF_COUNTERS) := perf_counter.o
+pc--$(CONFIG_PERF_EVENTS) := perf_event.o
obj-$(CONFIG_SPARC64) += $(pc--y)
diff --git a/arch/sparc/kernel/nmi.c b/arch/sparc/kernel/nmi.c
index 378eb53e077..b129611590a 100644
--- a/arch/sparc/kernel/nmi.c
+++ b/arch/sparc/kernel/nmi.c
@@ -19,7 +19,7 @@
#include <linux/delay.h>
#include <linux/smp.h>
-#include <asm/perf_counter.h>
+#include <asm/perf_event.h>
#include <asm/ptrace.h>
#include <asm/local.h>
#include <asm/pcr.h>
@@ -265,7 +265,7 @@ int __init nmi_init(void)
}
}
if (!err)
- init_hw_perf_counters();
+ init_hw_perf_events();
return err;
}
diff --git a/arch/sparc/kernel/pcr.c b/arch/sparc/kernel/pcr.c
index 68ff0010707..2d94e7a03af 100644
--- a/arch/sparc/kernel/pcr.c
+++ b/arch/sparc/kernel/pcr.c
@@ -7,7 +7,7 @@
#include <linux/init.h>
#include <linux/irq.h>
-#include <linux/perf_counter.h>
+#include <linux/perf_event.h>
#include <asm/pil.h>
#include <asm/pcr.h>
@@ -15,7 +15,7 @@
/* This code is shared between various users of the performance
* counters. Users will be oprofile, pseudo-NMI watchdog, and the
- * perf_counter support layer.
+ * perf_event support layer.
*/
#define PCR_SUN4U_ENABLE (PCR_PIC_PRIV | PCR_STRACE | PCR_UTRACE)
@@ -42,14 +42,14 @@ void deferred_pcr_work_irq(int irq, struct pt_regs *regs)
old_regs = set_irq_regs(regs);
irq_enter();
-#ifdef CONFIG_PERF_COUNTERS
- perf_counter_do_pending();
+#ifdef CONFIG_PERF_EVENTS
+ perf_event_do_pending();
#endif
irq_exit();
set_irq_regs(old_regs);
}
-void set_perf_counter_pending(void)
+void set_perf_event_pending(void)
{
set_softint(1 << PIL_DEFERRED_PCR_WORK);
}
diff --git a/arch/sparc/kernel/perf_counter.c b/arch/sparc/kernel/perf_event.c
index b1265ce8a05..2d6a1b10c81 100644
--- a/arch/sparc/kernel/perf_counter.c
+++ b/arch/sparc/kernel/perf_event.c
@@ -1,8 +1,8 @@
-/* Performance counter support for sparc64.
+/* Performance event support for sparc64.
*
* Copyright (C) 2009 David S. Miller <davem@davemloft.net>
*
- * This code is based almost entirely upon the x86 perf counter
+ * This code is based almost entirely upon the x86 perf event
* code, which is:
*
* Copyright (C) 2008 Thomas Gleixner <tglx@linutronix.de>
@@ -12,7 +12,7 @@
* Copyright (C) 2008-2009 Red Hat, Inc., Peter Zijlstra <pzijlstr@redhat.com>
*/
-#include <linux/perf_counter.h>
+#include <linux/perf_event.h>
#include <linux/kprobes.h>
#include <linux/kernel.h>
#include <linux/kdebug.h>
@@ -46,19 +46,19 @@
* normal code.
*/
-#define MAX_HWCOUNTERS 2
+#define MAX_HWEVENTS 2
#define MAX_PERIOD ((1UL << 32) - 1)
#define PIC_UPPER_INDEX 0
#define PIC_LOWER_INDEX 1
-struct cpu_hw_counters {
- struct perf_counter *counters[MAX_HWCOUNTERS];
- unsigned long used_mask[BITS_TO_LONGS(MAX_HWCOUNTERS)];
- unsigned long active_mask[BITS_TO_LONGS(MAX_HWCOUNTERS)];
+struct cpu_hw_events {
+ struct perf_event *events[MAX_HWEVENTS];
+ unsigned long used_mask[BITS_TO_LONGS(MAX_HWEVENTS)];
+ unsigned long active_mask[BITS_TO_LONGS(MAX_HWEVENTS)];
int enabled;
};
-DEFINE_PER_CPU(struct cpu_hw_counters, cpu_hw_counters) = { .enabled = 1, };
+DEFINE_PER_CPU(struct cpu_hw_events, cpu_hw_events) = { .enabled = 1, };
struct perf_event_map {
u16 encoding;
@@ -87,9 +87,9 @@ static const struct perf_event_map ultra3i_perfmon_event_map[] = {
[PERF_COUNT_HW_CACHE_MISSES] = { 0x0009, PIC_UPPER },
};
-static const struct perf_event_map *ultra3i_event_map(int event)
+static const struct perf_event_map *ultra3i_event_map(int event_id)
{
- return &ultra3i_perfmon_event_map[event];
+ return &ultra3i_perfmon_event_map[event_id];
}
static const struct sparc_pmu ultra3i_pmu = {
@@ -111,9 +111,9 @@ static const struct perf_event_map niagara2_perfmon_event_map[] = {
[PERF_COUNT_HW_BRANCH_MISSES] = { 0x0202, PIC_UPPER | PIC_LOWER },
};
-static const struct perf_event_map *niagara2_event_map(int event)
+static const struct perf_event_map *niagara2_event_map(int event_id)
{
- return &niagara2_perfmon_event_map[event];
+ return &niagara2_perfmon_event_map[event_id];
}
static const struct sparc_pmu niagara2_pmu = {
@@ -130,13 +130,13 @@ static const struct sparc_pmu niagara2_pmu = {
static const struct sparc_pmu *sparc_pmu __read_mostly;
-static u64 event_encoding(u64 event, int idx)
+static u64 event_encoding(u64 event_id, int idx)
{
if (idx == PIC_UPPER_INDEX)
- event <<= sparc_pmu->upper_shift;
+ event_id <<= sparc_pmu->upper_shift;
else
- event <<= sparc_pmu->lower_shift;
- return event;
+ event_id <<= sparc_pmu->lower_shift;
+ return event_id;
}
static u64 mask_for_index(int idx)
@@ -151,7 +151,7 @@ static u64 nop_for_index(int idx)
sparc_pmu->lower_nop, idx);
}
-static inline void sparc_pmu_enable_counter(struct hw_perf_counter *hwc,
+static inline void sparc_pmu_enable_event(struct hw_perf_event *hwc,
int idx)
{
u64 val, mask = mask_for_index(idx);
@@ -160,7 +160,7 @@ static inline void sparc_pmu_enable_counter(struct hw_perf_counter *hwc,
pcr_ops->write((val & ~mask) | hwc->config);
}
-static inline void sparc_pmu_disable_counter(struct hw_perf_counter *hwc,
+static inline void sparc_pmu_disable_event(struct hw_perf_event *hwc,
int idx)
{
u64 mask = mask_for_index(idx);
@@ -172,7 +172,7 @@ static inline void sparc_pmu_disable_counter(struct hw_perf_counter *hwc,
void hw_perf_enable(void)
{
- struct cpu_hw_counters *cpuc = &__get_cpu_var(cpu_hw_counters);
+ struct cpu_hw_events *cpuc = &__get_cpu_var(cpu_hw_events);
u64 val;
int i;
@@ -184,9 +184,9 @@ void hw_perf_enable(void)
val = pcr_ops->read();
- for (i = 0; i < MAX_HWCOUNTERS; i++) {
- struct perf_counter *cp = cpuc->counters[i];
- struct hw_perf_counter *hwc;
+ for (i = 0; i < MAX_HWEVENTS; i++) {
+ struct perf_event *cp = cpuc->events[i];
+ struct hw_perf_event *hwc;
if (!cp)
continue;
@@ -199,7 +199,7 @@ void hw_perf_enable(void)
void hw_perf_disable(void)
{
- struct cpu_hw_counters *cpuc = &__get_cpu_var(cpu_hw_counters);
+ struct cpu_hw_events *cpuc = &__get_cpu_var(cpu_hw_events);
u64 val;
if (!cpuc->enabled)
@@ -241,8 +241,8 @@ static void write_pmc(int idx, u64 val)
write_pic(pic);
}
-static int sparc_perf_counter_set_period(struct perf_counter *counter,
- struct hw_perf_counter *hwc, int idx)
+static int sparc_perf_event_set_period(struct perf_event *event,
+ struct hw_perf_event *hwc, int idx)
{
s64 left = atomic64_read(&hwc->period_left);
s64 period = hwc->sample_period;
@@ -268,33 +268,33 @@ static int sparc_perf_counter_set_period(struct perf_counter *counter,
write_pmc(idx, (u64)(-left) & 0xffffffff);
- perf_counter_update_userpage(counter);
+ perf_event_update_userpage(event);
return ret;
}
-static int sparc_pmu_enable(struct perf_counter *counter)
+static int sparc_pmu_enable(struct perf_event *event)
{
- struct cpu_hw_counters *cpuc = &__get_cpu_var(cpu_hw_counters);
- struct hw_perf_counter *hwc = &counter->hw;
+ struct cpu_hw_events *cpuc = &__get_cpu_var(cpu_hw_events);
+ struct hw_perf_event *hwc = &event->hw;
int idx = hwc->idx;
if (test_and_set_bit(idx, cpuc->used_mask))
return -EAGAIN;
- sparc_pmu_disable_counter(hwc, idx);
+ sparc_pmu_disable_event(hwc, idx);
- cpuc->counters[idx] = counter;
+ cpuc->events[idx] = event;
set_bit(idx, cpuc->active_mask);
- sparc_perf_counter_set_period(counter, hwc, idx);
- sparc_pmu_enable_counter(hwc, idx);
- perf_counter_update_userpage(counter);
+ sparc_perf_event_set_period(event, hwc, idx);
+ sparc_pmu_enable_event(hwc, idx);
+ perf_event_update_userpage(event);
return 0;
}
-static u64 sparc_perf_counter_update(struct perf_counter *counter,
- struct hw_perf_counter *hwc, int idx)
+static u64 sparc_perf_event_update(struct perf_event *event,
+ struct hw_perf_event *hwc, int idx)
{
int shift = 64 - 32;
u64 prev_raw_count, new_raw_count;
@@ -311,79 +311,79 @@ again:
delta = (new_raw_count << shift) - (prev_raw_count << shift);
delta >>= shift;
- atomic64_add(delta, &counter->count);
+ atomic64_add(delta, &event->count);
atomic64_sub(delta, &hwc->period_left);
return new_raw_count;
}
-static void sparc_pmu_disable(struct perf_counter *counter)
+static void sparc_pmu_disable(struct perf_event *event)
{
- struct cpu_hw_counters *cpuc = &__get_cpu_var(cpu_hw_counters);
- struct hw_perf_counter *hwc = &counter->hw;
+ struct cpu_hw_events *cpuc = &__get_cpu_var(cpu_hw_events);
+ struct hw_perf_event *hwc = &event->hw;
int idx = hwc->idx;
clear_bit(idx, cpuc->active_mask);
- sparc_pmu_disable_counter(hwc, idx);
+ sparc_pmu_disable_event(hwc, idx);
barrier();
- sparc_perf_counter_update(counter, hwc, idx);
- cpuc->counters[idx] = NULL;
+ sparc_perf_event_update(event, hwc, idx);
+ cpuc->events[idx] = NULL;
clear_bit(idx, cpuc->used_mask);
- perf_counter_update_userpage(counter);
+ perf_event_update_userpage(event);
}
-static void sparc_pmu_read(struct perf_counter *counter)
+static void sparc_pmu_read(struct perf_event *event)
{
- struct hw_perf_counter *hwc = &counter->hw;
- sparc_perf_counter_update(counter, hwc, hwc->idx);
+ struct hw_perf_event *hwc = &event->hw;
+ sparc_perf_event_update(event, hwc, hwc->idx);
}
-static void sparc_pmu_unthrottle(struct perf_counter *counter)
+static void sparc_pmu_unthrottle(struct perf_event *event)
{
- struct hw_perf_counter *hwc = &counter->hw;
- sparc_pmu_enable_counter(hwc, hwc->idx);
+ struct hw_perf_event *hwc = &event->hw;
+ sparc_pmu_enable_event(hwc, hwc->idx);
}
-static atomic_t active_counters = ATOMIC_INIT(0);
+static atomic_t active_events = ATOMIC_INIT(0);
static DEFINE_MUTEX(pmc_grab_mutex);
-void perf_counter_grab_pmc(void)
+void perf_event_grab_pmc(void)
{
- if (atomic_inc_not_zero(&active_counters))
+ if (atomic_inc_not_zero(&active_events))
return;
mutex_lock(&pmc_grab_mutex);
- if (atomic_read(&active_counters) == 0) {
+ if (atomic_read(&active_events) == 0) {
if (atomic_read(&nmi_active) > 0) {
on_each_cpu(stop_nmi_watchdog, NULL, 1);
BUG_ON(atomic_read(&nmi_active) != 0);
}
- atomic_inc(&active_counters);
+ atomic_inc(&active_events);
}
mutex_unlock(&pmc_grab_mutex);
}
-void perf_counter_release_pmc(void)
+void perf_event_release_pmc(void)
{
- if (atomic_dec_and_mutex_lock(&active_counters, &pmc_grab_mutex)) {
+ if (atomic_dec_and_mutex_lock(&active_events, &pmc_grab_mutex)) {
if (atomic_read(&nmi_active) == 0)
on_each_cpu(start_nmi_watchdog, NULL, 1);
mutex_unlock(&pmc_grab_mutex);
}
}
-static void hw_perf_counter_destroy(struct perf_counter *counter)
+static void hw_perf_event_destroy(struct perf_event *event)
{
- perf_counter_release_pmc();
+ perf_event_release_pmc();
}
-static int __hw_perf_counter_init(struct perf_counter *counter)
+static int __hw_perf_event_init(struct perf_event *event)
{
- struct perf_counter_attr *attr = &counter->attr;
- struct hw_perf_counter *hwc = &counter->hw;
+ struct perf_event_attr *attr = &event->attr;
+ struct hw_perf_event *hwc = &event->hw;
const struct perf_event_map *pmap;
u64 enc;
@@ -396,8 +396,8 @@ static int __hw_perf_counter_init(struct perf_counter *counter)
if (attr->config >= sparc_pmu->max_events)
return -EINVAL;
- perf_counter_grab_pmc();
- counter->destroy = hw_perf_counter_destroy;
+ perf_event_grab_pmc();
+ event->destroy = hw_perf_event_destroy;
/* We save the enable bits in the config_base. So to
* turn off sampling just write 'config', and to enable
@@ -439,16 +439,16 @@ static const struct pmu pmu = {
.unthrottle = sparc_pmu_unthrottle,
};
-const struct pmu *hw_perf_counter_init(struct perf_counter *counter)
+const struct pmu *hw_perf_event_init(struct perf_event *event)
{
- int err = __hw_perf_counter_init(counter);
+ int err = __hw_perf_event_init(event);
if (err)
return ERR_PTR(err);
return &pmu;
}
-void perf_counter_print_debug(void)
+void perf_event_print_debug(void)
{
unsigned long flags;
u64 pcr, pic;
@@ -471,16 +471,16 @@ void perf_counter_print_debug(void)
local_irq_restore(flags);
}
-static int __kprobes perf_counter_nmi_handler(struct notifier_block *self,
+static int __kprobes perf_event_nmi_handler(struct notifier_block *self,
unsigned long cmd, void *__args)
{
struct die_args *args = __args;
struct perf_sample_data data;
- struct cpu_hw_counters *cpuc;
+ struct cpu_hw_events *cpuc;
struct pt_regs *regs;
int idx;
- if (!atomic_read(&active_counters))
+ if (!atomic_read(&active_events))
return NOTIFY_DONE;
switch (cmd) {
@@ -495,32 +495,32 @@ static int __kprobes perf_counter_nmi_handler(struct notifier_block *self,
data.addr = 0;
- cpuc = &__get_cpu_var(cpu_hw_counters);
- for (idx = 0; idx < MAX_HWCOUNTERS; idx++) {
- struct perf_counter *counter = cpuc->counters[idx];
- struct hw_perf_counter *hwc;
+ cpuc = &__get_cpu_var(cpu_hw_events);
+ for (idx = 0; idx < MAX_HWEVENTS; idx++) {
+ struct perf_event *event = cpuc->events[idx];
+ struct hw_perf_event *hwc;
u64 val;
if (!test_bit(idx, cpuc->active_mask))
continue;
- hwc = &counter->hw;
- val = sparc_perf_counter_update(counter, hwc, idx);
+ hwc = &event->hw;
+ val = sparc_perf_event_update(event, hwc, idx);
if (val & (1ULL << 31))
continue;
- data.period = counter->hw.last_period;
- if (!sparc_perf_counter_set_period(counter, hwc, idx))
+ data.period = event->hw.last_period;
+ if (!sparc_perf_event_set_period(event, hwc, idx))
continue;
- if (perf_counter_overflow(counter, 1, &data, regs))
- sparc_pmu_disable_counter(hwc, idx);
+ if (perf_event_overflow(event, 1, &data, regs))
+ sparc_pmu_disable_event(hwc, idx);
}
return NOTIFY_STOP;
}
-static __read_mostly struct notifier_block perf_counter_nmi_notifier = {
- .notifier_call = perf_counter_nmi_handler,
+static __read_mostly struct notifier_block perf_event_nmi_notifier = {
+ .notifier_call = perf_event_nmi_handler,
};
static bool __init supported_pmu(void)
@@ -536,9 +536,9 @@ static bool __init supported_pmu(void)
return false;
}
-void __init init_hw_perf_counters(void)
+void __init init_hw_perf_events(void)
{
- pr_info("Performance counters: ");
+ pr_info("Performance events: ");
if (!supported_pmu()) {
pr_cont("No support for PMU type '%s'\n", sparc_pmu_type);
@@ -547,10 +547,10 @@ void __init init_hw_perf_counters(void)
pr_cont("Supported PMU type is '%s'\n", sparc_pmu_type);
- /* All sparc64 PMUs currently have 2 counters. But this simple
- * driver only supports one active counter at a time.
+ /* All sparc64 PMUs currently have 2 events. But this simple
+ * driver only supports one active event at a time.
*/
- perf_max_counters = 1;
+ perf_max_events = 1;
- register_die_notifier(&perf_counter_nmi_notifier);
+ register_die_notifier(&perf_event_nmi_notifier);
}
diff --git a/arch/sparc/kernel/systbls_32.S b/arch/sparc/kernel/systbls_32.S
index 04181577cb6..0f1658d3749 100644
--- a/arch/sparc/kernel/systbls_32.S
+++ b/arch/sparc/kernel/systbls_32.S
@@ -82,5 +82,5 @@ sys_call_table:
/*310*/ .long sys_utimensat, sys_signalfd, sys_timerfd_create, sys_eventfd, sys_fallocate
/*315*/ .long sys_timerfd_settime, sys_timerfd_gettime, sys_signalfd4, sys_eventfd2, sys_epoll_create1
/*320*/ .long sys_dup3, sys_pipe2, sys_inotify_init1, sys_accept4, sys_preadv
-/*325*/ .long sys_pwritev, sys_rt_tgsigqueueinfo, sys_perf_counter_open
+/*325*/ .long sys_pwritev, sys_rt_tgsigqueueinfo, sys_perf_event_open
diff --git a/arch/sparc/kernel/systbls_64.S b/arch/sparc/kernel/systbls_64.S
index 91b06b7f7ac..009825f6e73 100644
--- a/arch/sparc/kernel/systbls_64.S
+++ b/arch/sparc/kernel/systbls_64.S
@@ -83,7 +83,7 @@ sys_call_table32:
/*310*/ .word compat_sys_utimensat, compat_sys_signalfd, sys_timerfd_create, sys_eventfd, compat_sys_fallocate
.word compat_sys_timerfd_settime, compat_sys_timerfd_gettime, compat_sys_signalfd4, sys_eventfd2, sys_epoll_create1
/*320*/ .word sys_dup3, sys_pipe2, sys_inotify_init1, sys_accept4, compat_sys_preadv
- .word compat_sys_pwritev, compat_sys_rt_tgsigqueueinfo, sys_perf_counter_open
+ .word compat_sys_pwritev, compat_sys_rt_tgsigqueueinfo, sys_perf_event_open
#endif /* CONFIG_COMPAT */
@@ -158,4 +158,4 @@ sys_call_table:
/*310*/ .word sys_utimensat, sys_signalfd, sys_timerfd_create, sys_eventfd, sys_fallocate
.word sys_timerfd_settime, sys_timerfd_gettime, sys_signalfd4, sys_eventfd2, sys_epoll_create1
/*320*/ .word sys_dup3, sys_pipe2, sys_inotify_init1, sys_accept4, sys_preadv
- .word sys_pwritev, sys_rt_tgsigqueueinfo, sys_perf_counter_open
+ .word sys_pwritev, sys_rt_tgsigqueueinfo, sys_perf_event_open
diff --git a/arch/x86/Kconfig b/arch/x86/Kconfig
index 51c59015b28..e4ff5d1280c 100644
--- a/arch/x86/Kconfig
+++ b/arch/x86/Kconfig
@@ -24,7 +24,7 @@ config X86
select HAVE_UNSTABLE_SCHED_CLOCK
select HAVE_IDE
select HAVE_OPROFILE
- select HAVE_PERF_COUNTERS if (!M386 && !M486)
+ select HAVE_PERF_EVENTS if (!M386 && !M486)
select HAVE_IOREMAP_PROT
select HAVE_KPROBES
select ARCH_WANT_OPTIONAL_GPIOLIB
diff --git a/arch/x86/ia32/ia32entry.S b/arch/x86/ia32/ia32entry.S
index ba331bfd111..74619c4f9fd 100644
--- a/arch/x86/ia32/ia32entry.S
+++ b/arch/x86/ia32/ia32entry.S
@@ -831,5 +831,5 @@ ia32_sys_call_table:
.quad compat_sys_preadv
.quad compat_sys_pwritev
.quad compat_sys_rt_tgsigqueueinfo /* 335 */
- .quad sys_perf_counter_open
+ .quad sys_perf_event_open
ia32_syscall_end:
diff --git a/arch/x86/include/asm/entry_arch.h b/arch/x86/include/asm/entry_arch.h
index 5e3f2044f0d..f5693c81a1d 100644
--- a/arch/x86/include/asm/entry_arch.h
+++ b/arch/x86/include/asm/entry_arch.h
@@ -49,7 +49,7 @@ BUILD_INTERRUPT(apic_timer_interrupt,LOCAL_TIMER_VECTOR)
BUILD_INTERRUPT(error_interrupt,ERROR_APIC_VECTOR)
BUILD_INTERRUPT(spurious_interrupt,SPURIOUS_APIC_VECTOR)
-#ifdef CONFIG_PERF_COUNTERS
+#ifdef CONFIG_PERF_EVENTS
BUILD_INTERRUPT(perf_pending_interrupt, LOCAL_PENDING_VECTOR)
#endif
diff --git a/arch/x86/include/asm/perf_counter.h b/arch/x86/include/asm/perf_event.h
index e7b7c938ae2..ad7ce3fd506 100644
--- a/arch/x86/include/asm/perf_counter.h
+++ b/arch/x86/include/asm/perf_event.h
@@ -1,8 +1,8 @@
-#ifndef _ASM_X86_PERF_COUNTER_H
-#define _ASM_X86_PERF_COUNTER_H
+#ifndef _ASM_X86_PERF_EVENT_H
+#define _ASM_X86_PERF_EVENT_H
/*
- * Performance counter hw details:
+ * Performance event hw details:
*/
#define X86_PMC_MAX_GENERIC 8
@@ -43,7 +43,7 @@
union cpuid10_eax {
struct {
unsigned int version_id:8;
- unsigned int num_counters:8;
+ unsigned int num_events:8;
unsigned int bit_width:8;
unsigned int mask_length:8;
} split;
@@ -52,7 +52,7 @@ union cpuid10_eax {
union cpuid10_edx {
struct {
- unsigned int num_counters_fixed:4;
+ unsigned int num_events_fixed:4;
unsigned int reserved:28;
} split;
unsigned int full;
@@ -60,7 +60,7 @@ union cpuid10_edx {
/*
- * Fixed-purpose performance counters:
+ * Fixed-purpose performance events:
*/
/*
@@ -87,22 +87,22 @@ union cpuid10_edx {
/*
* We model BTS tracing as another fixed-mode PMC.
*
- * We choose a value in the middle of the fixed counter range, since lower
- * values are used by actual fixed counters and higher values are used
+ * We choose a value in the middle of the fixed event range, since lower
+ * values are used by actual fixed events and higher values are used
* to indicate other overflow conditions in the PERF_GLOBAL_STATUS msr.
*/
#define X86_PMC_IDX_FIXED_BTS (X86_PMC_IDX_FIXED + 16)
-#ifdef CONFIG_PERF_COUNTERS
-extern void init_hw_perf_counters(void);
-extern void perf_counters_lapic_init(void);
+#ifdef CONFIG_PERF_EVENTS
+extern void init_hw_perf_events(void);
+extern void perf_events_lapic_init(void);
-#define PERF_COUNTER_INDEX_OFFSET 0
+#define PERF_EVENT_INDEX_OFFSET 0
#else
-static inline void init_hw_perf_counters(void) { }
-static inline void perf_counters_lapic_init(void) { }
+static inline void init_hw_perf_events(void) { }
+static inline void perf_events_lapic_init(void) { }
#endif
-#endif /* _ASM_X86_PERF_COUNTER_H */
+#endif /* _ASM_X86_PERF_EVENT_H */
diff --git a/arch/x86/include/asm/unistd_32.h b/arch/x86/include/asm/unistd_32.h
index 8deaada61bc..6fb3c209a7e 100644
--- a/arch/x86/include/asm/unistd_32.h
+++ b/arch/x86/include/asm/unistd_32.h
@@ -341,7 +341,7 @@
#define __NR_preadv 333
#define __NR_pwritev 334
#define __NR_rt_tgsigqueueinfo 335
-#define __NR_perf_counter_open 336
+#define __NR_perf_event_open 336
#ifdef __KERNEL__
diff --git a/arch/x86/include/asm/unistd_64.h b/arch/x86/include/asm/unistd_64.h
index b9f3c60de5f..8d3ad0adbc6 100644
--- a/arch/x86/include/asm/unistd_64.h
+++ b/arch/x86/include/asm/unistd_64.h
@@ -659,8 +659,8 @@ __SYSCALL(__NR_preadv, sys_preadv)
__SYSCALL(__NR_pwritev, sys_pwritev)
#define __NR_rt_tgsigqueueinfo 297
__SYSCALL(__NR_rt_tgsigqueueinfo, sys_rt_tgsigqueueinfo)
-#define __NR_perf_counter_open 298
-__SYSCALL(__NR_perf_counter_open, sys_perf_counter_open)
+#define __NR_perf_event_open 298
+__SYSCALL(__NR_perf_event_open, sys_perf_event_open)
#ifndef __NO_STUBS
#define __ARCH_WANT_OLD_READDIR
diff --git a/arch/x86/kernel/apic/apic.c b/arch/x86/kernel/apic/apic.c
index a34601f5298..754174d09de 100644
--- a/arch/x86/kernel/apic/apic.c
+++ b/arch/x86/kernel/apic/apic.c
@@ -14,7 +14,7 @@
* Mikael Pettersson : PM converted to driver model.
*/
-#include <linux/perf_counter.h>
+#include <linux/perf_event.h>
#include <linux/kernel_stat.h>
#include <linux/mc146818rtc.h>
#include <linux/acpi_pmtmr.h>
@@ -35,7 +35,7 @@
#include <linux/smp.h>
#include <linux/mm.h>
-#include <asm/perf_counter.h>
+#include <asm/perf_event.h>
#include <asm/x86_init.h>
#include <asm/pgalloc.h>
#include <asm/atomic.h>
@@ -1189,7 +1189,7 @@ void __cpuinit setup_local_APIC(void)
apic_write(APIC_ESR, 0);
}
#endif
- perf_counters_lapic_init();
+ perf_events_lapic_init();
preempt_disable();
diff --git a/arch/x86/kernel/cpu/Makefile b/arch/x86/kernel/cpu/Makefile
index 8dd30638fe4..68537e957a9 100644
--- a/arch/x86/kernel/cpu/Makefile
+++ b/arch/x86/kernel/cpu/Makefile
@@ -27,7 +27,7 @@ obj-$(CONFIG_CPU_SUP_CENTAUR) += centaur.o
obj-$(CONFIG_CPU_SUP_TRANSMETA_32) += transmeta.o
obj-$(CONFIG_CPU_SUP_UMC_32) += umc.o
-obj-$(CONFIG_PERF_COUNTERS) += perf_counter.o
+obj-$(CONFIG_PERF_EVENTS) += perf_event.o
obj-$(CONFIG_X86_MCE) += mcheck/
obj-$(CONFIG_MTRR) += mtrr/
diff --git a/arch/x86/kernel/cpu/common.c b/arch/x86/kernel/cpu/common.c
index 2fea97eccf7..cc25c2b4a56 100644
--- a/arch/x86/kernel/cpu/common.c
+++ b/arch/x86/kernel/cpu/common.c
@@ -13,7 +13,7 @@
#include <linux/io.h>
#include <asm/stackprotector.h>
-#include <asm/perf_counter.h>
+#include <asm/perf_event.h>
#include <asm/mmu_context.h>
#include <asm/hypervisor.h>
#include <asm/processor.h>
@@ -869,7 +869,7 @@ void __init identify_boot_cpu(void)
#else
vgetcpu_set_mode();
#endif
- init_hw_perf_counters();
+ init_hw_perf_events();
}
void __cpuinit identify_secondary_cpu(struct cpuinfo_x86 *c)
diff --git a/arch/x86/kernel/cpu/perf_counter.c b/arch/x86/kernel/cpu/perf_event.c
index b1f115696c8..0d03629fb1a 100644
--- a/arch/x86/kernel/cpu/perf_counter.c
+++ b/arch/x86/kernel/cpu/perf_event.c
@@ -1,5 +1,5 @@
/*
- * Performance counter x86 architecture code
+ * Performance events x86 architecture code
*
* Copyright (C) 2008 Thomas Gleixner <tglx@linutronix.de>
* Copyright (C) 2008-2009 Red Hat, Inc., Ingo Molnar
@@ -11,7 +11,7 @@
* For licencing details see kernel-base/COPYING
*/
-#include <linux/perf_counter.h>
+#include <linux/perf_event.h>
#include <linux/capability.h>
#include <linux/notifier.h>
#include <linux/hardirq.h>
@@ -27,10 +27,10 @@
#include <asm/stacktrace.h>
#include <asm/nmi.h>
-static u64 perf_counter_mask __read_mostly;
+static u64 perf_event_mask __read_mostly;
-/* The maximal number of PEBS counters: */
-#define MAX_PEBS_COUNTERS 4
+/* The maximal number of PEBS events: */
+#define MAX_PEBS_EVENTS 4
/* The size of a BTS record in bytes: */
#define BTS_RECORD_SIZE 24
@@ -65,11 +65,11 @@ struct debug_store {
u64 pebs_index;
u64 pebs_absolute_maximum;
u64 pebs_interrupt_threshold;
- u64 pebs_counter_reset[MAX_PEBS_COUNTERS];
+ u64 pebs_event_reset[MAX_PEBS_EVENTS];
};
-struct cpu_hw_counters {
- struct perf_counter *counters[X86_PMC_IDX_MAX];
+struct cpu_hw_events {
+ struct perf_event *events[X86_PMC_IDX_MAX];
unsigned long used_mask[BITS_TO_LONGS(X86_PMC_IDX_MAX)];
unsigned long active_mask[BITS_TO_LONGS(X86_PMC_IDX_MAX)];
unsigned long interrupts;
@@ -86,17 +86,17 @@ struct x86_pmu {
int (*handle_irq)(struct pt_regs *);
void (*disable_all)(void);
void (*enable_all)(void);
- void (*enable)(struct hw_perf_counter *, int);
- void (*disable)(struct hw_perf_counter *, int);
+ void (*enable)(struct hw_perf_event *, int);
+ void (*disable)(struct hw_perf_event *, int);
unsigned eventsel;
unsigned perfctr;
u64 (*event_map)(int);
u64 (*raw_event)(u64);
int max_events;
- int num_counters;
- int num_counters_fixed;
- int counter_bits;
- u64 counter_mask;
+ int num_events;
+ int num_events_fixed;
+ int event_bits;
+ u64 event_mask;
int apic;
u64 max_period;
u64 intel_ctrl;
@@ -106,7 +106,7 @@ struct x86_pmu {
static struct x86_pmu x86_pmu __read_mostly;
-static DEFINE_PER_CPU(struct cpu_hw_counters, cpu_hw_counters) = {
+static DEFINE_PER_CPU(struct cpu_hw_events, cpu_hw_events) = {
.enabled = 1,
};
@@ -130,12 +130,12 @@ static u64 p6_pmu_event_map(int hw_event)
}
/*
- * Counter setting that is specified not to count anything.
+ * Event setting that is specified not to count anything.
* We use this to effectively disable a counter.
*
* L2_RQSTS with 0 MESI unit mask.
*/
-#define P6_NOP_COUNTER 0x0000002EULL
+#define P6_NOP_EVENT 0x0000002EULL
static u64 p6_pmu_raw_event(u64 hw_event)
{
@@ -143,14 +143,14 @@ static u64 p6_pmu_raw_event(u64 hw_event)
#define P6_EVNTSEL_UNIT_MASK 0x0000FF00ULL
#define P6_EVNTSEL_EDGE_MASK 0x00040000ULL
#define P6_EVNTSEL_INV_MASK 0x00800000ULL
-#define P6_EVNTSEL_COUNTER_MASK 0xFF000000ULL
+#define P6_EVNTSEL_REG_MASK 0xFF000000ULL
#define P6_EVNTSEL_MASK \
(P6_EVNTSEL_EVENT_MASK | \
P6_EVNTSEL_UNIT_MASK | \
P6_EVNTSEL_EDGE_MASK | \
P6_EVNTSEL_INV_MASK | \
- P6_EVNTSEL_COUNTER_MASK)
+ P6_EVNTSEL_REG_MASK)
return hw_event & P6_EVNTSEL_MASK;
}
@@ -469,14 +469,14 @@ static u64 intel_pmu_raw_event(u64 hw_event)
#define CORE_EVNTSEL_UNIT_MASK 0x0000FF00ULL
#define CORE_EVNTSEL_EDGE_MASK 0x00040000ULL
#define CORE_EVNTSEL_INV_MASK 0x00800000ULL
-#define CORE_EVNTSEL_COUNTER_MASK 0xFF000000ULL
+#define CORE_EVNTSEL_REG_MASK 0xFF000000ULL
#define CORE_EVNTSEL_MASK \
(CORE_EVNTSEL_EVENT_MASK | \
CORE_EVNTSEL_UNIT_MASK | \
CORE_EVNTSEL_EDGE_MASK | \
CORE_EVNTSEL_INV_MASK | \
- CORE_EVNTSEL_COUNTER_MASK)
+ CORE_EVNTSEL_REG_MASK)
return hw_event & CORE_EVNTSEL_MASK;
}
@@ -596,28 +596,28 @@ static u64 amd_pmu_raw_event(u64 hw_event)
#define K7_EVNTSEL_UNIT_MASK 0x00000FF00ULL
#define K7_EVNTSEL_EDGE_MASK 0x000040000ULL
#define K7_EVNTSEL_INV_MASK 0x000800000ULL
-#define K7_EVNTSEL_COUNTER_MASK 0x0FF000000ULL
+#define K7_EVNTSEL_REG_MASK 0x0FF000000ULL
#define K7_EVNTSEL_MASK \
(K7_EVNTSEL_EVENT_MASK | \
K7_EVNTSEL_UNIT_MASK | \
K7_EVNTSEL_EDGE_MASK | \
K7_EVNTSEL_INV_MASK | \
- K7_EVNTSEL_COUNTER_MASK)
+ K7_EVNTSEL_REG_MASK)
return hw_event & K7_EVNTSEL_MASK;
}
/*
- * Propagate counter elapsed time into the generic counter.
- * Can only be executed on the CPU where the counter is active.
+ * Propagate event elapsed time into the generic event.
+ * Can only be executed on the CPU where the event is active.
* Returns the delta events processed.
*/
static u64
-x86_perf_counter_update(struct perf_counter *counter,
- struct hw_perf_counter *hwc, int idx)
+x86_perf_event_update(struct perf_event *event,
+ struct hw_perf_event *hwc, int idx)
{
- int shift = 64 - x86_pmu.counter_bits;
+ int shift = 64 - x86_pmu.event_bits;
u64 prev_raw_count, new_raw_count;
s64 delta;
@@ -625,15 +625,15 @@ x86_perf_counter_update(struct perf_counter *counter,
return 0;
/*
- * Careful: an NMI might modify the previous counter value.
+ * Careful: an NMI might modify the previous event value.
*
* Our tactic to handle this is to first atomically read and
* exchange a new raw count - then add that new-prev delta
- * count to the generic counter atomically:
+ * count to the generic event atomically:
*/
again:
prev_raw_count = atomic64_read(&hwc->prev_count);
- rdmsrl(hwc->counter_base + idx, new_raw_count);
+ rdmsrl(hwc->event_base + idx, new_raw_count);
if (atomic64_cmpxchg(&hwc->prev_count, prev_raw_count,
new_raw_count) != prev_raw_count)
@@ -642,7 +642,7 @@ again:
/*
* Now we have the new raw value and have updated the prev
* timestamp already. We can now calculate the elapsed delta
- * (counter-)time and add that to the generic counter.
+ * (event-)time and add that to the generic event.
*
* Careful, not all hw sign-extends above the physical width
* of the count.
@@ -650,13 +650,13 @@ again:
delta = (new_raw_count << shift) - (prev_raw_count << shift);
delta >>= shift;
- atomic64_add(delta, &counter->count);
+ atomic64_add(delta, &event->count);
atomic64_sub(delta, &hwc->period_left);
return new_raw_count;
}
-static atomic_t active_counters;
+static atomic_t active_events;
static DEFINE_MUTEX(pmc_reserve_mutex);
static bool reserve_pmc_hardware(void)
@@ -667,12 +667,12 @@ static bool reserve_pmc_hardware(void)
if (nmi_watchdog == NMI_LOCAL_APIC)
disable_lapic_nmi_watchdog();
- for (i = 0; i < x86_pmu.num_counters; i++) {
+ for (i = 0; i < x86_pmu.num_events; i++) {
if (!reserve_perfctr_nmi(x86_pmu.perfctr + i))
goto perfctr_fail;
}
- for (i = 0; i < x86_pmu.num_counters; i++) {
+ for (i = 0; i < x86_pmu.num_events; i++) {
if (!reserve_evntsel_nmi(x86_pmu.eventsel + i))
goto eventsel_fail;
}
@@ -685,7 +685,7 @@ eventsel_fail:
for (i--; i >= 0; i--)
release_evntsel_nmi(x86_pmu.eventsel + i);
- i = x86_pmu.num_counters;
+ i = x86_pmu.num_events;
perfctr_fail:
for (i--; i >= 0; i--)
@@ -703,7 +703,7 @@ static void release_pmc_hardware(void)
#ifdef CONFIG_X86_LOCAL_APIC
int i;
- for (i = 0; i < x86_pmu.num_counters; i++) {
+ for (i = 0; i < x86_pmu.num_events; i++) {
release_perfctr_nmi(x86_pmu.perfctr + i);
release_evntsel_nmi(x86_pmu.eventsel + i);
}
@@ -720,7 +720,7 @@ static inline bool bts_available(void)
static inline void init_debug_store_on_cpu(int cpu)
{
- struct debug_store *ds = per_cpu(cpu_hw_counters, cpu).ds;
+ struct debug_store *ds = per_cpu(cpu_hw_events, cpu).ds;
if (!ds)
return;
@@ -732,7 +732,7 @@ static inline void init_debug_store_on_cpu(int cpu)
static inline void fini_debug_store_on_cpu(int cpu)
{
- if (!per_cpu(cpu_hw_counters, cpu).ds)
+ if (!per_cpu(cpu_hw_events, cpu).ds)
return;
wrmsr_on_cpu(cpu, MSR_IA32_DS_AREA, 0, 0);
@@ -751,12 +751,12 @@ static void release_bts_hardware(void)
fini_debug_store_on_cpu(cpu);
for_each_possible_cpu(cpu) {
- struct debug_store *ds = per_cpu(cpu_hw_counters, cpu).ds;
+ struct debug_store *ds = per_cpu(cpu_hw_events, cpu).ds;
if (!ds)
continue;
- per_cpu(cpu_hw_counters, cpu).ds = NULL;
+ per_cpu(cpu_hw_events, cpu).ds = NULL;
kfree((void *)(unsigned long)ds->bts_buffer_base);
kfree(ds);
@@ -796,7 +796,7 @@ static int reserve_bts_hardware(void)
ds->bts_interrupt_threshold =
ds->bts_absolute_maximum - BTS_OVFL_TH;
- per_cpu(cpu_hw_counters, cpu).ds = ds;
+ per_cpu(cpu_hw_events, cpu).ds = ds;
err = 0;
}
@@ -812,9 +812,9 @@ static int reserve_bts_hardware(void)
return err;
}
-static void hw_perf_counter_destroy(struct perf_counter *counter)
+static void hw_perf_event_destroy(struct perf_event *event)
{
- if (atomic_dec_and_mutex_lock(&active_counters, &pmc_reserve_mutex)) {
+ if (atomic_dec_and_mutex_lock(&active_events, &pmc_reserve_mutex)) {
release_pmc_hardware();
release_bts_hardware();
mutex_unlock(&pmc_reserve_mutex);
@@ -827,7 +827,7 @@ static inline int x86_pmu_initialized(void)
}
static inline int
-set_ext_hw_attr(struct hw_perf_counter *hwc, struct perf_counter_attr *attr)
+set_ext_hw_attr(struct hw_perf_event *hwc, struct perf_event_attr *attr)
{
unsigned int cache_type, cache_op, cache_result;
u64 config, val;
@@ -880,7 +880,7 @@ static void intel_pmu_enable_bts(u64 config)
static void intel_pmu_disable_bts(void)
{
- struct cpu_hw_counters *cpuc = &__get_cpu_var(cpu_hw_counters);
+ struct cpu_hw_events *cpuc = &__get_cpu_var(cpu_hw_events);
unsigned long debugctlmsr;
if (!cpuc->ds)
@@ -898,10 +898,10 @@ static void intel_pmu_disable_bts(void)
/*
* Setup the hardware configuration for a given attr_type
*/
-static int __hw_perf_counter_init(struct perf_counter *counter)
+static int __hw_perf_event_init(struct perf_event *event)
{
- struct perf_counter_attr *attr = &counter->attr;
- struct hw_perf_counter *hwc = &counter->hw;
+ struct perf_event_attr *attr = &event->attr;
+ struct hw_perf_event *hwc = &event->hw;
u64 config;
int err;
@@ -909,22 +909,22 @@ static int __hw_perf_counter_init(struct perf_counter *counter)
return -ENODEV;
err = 0;
- if (!atomic_inc_not_zero(&active_counters)) {
+ if (!atomic_inc_not_zero(&active_events)) {
mutex_lock(&pmc_reserve_mutex);
- if (atomic_read(&active_counters) == 0) {
+ if (atomic_read(&active_events) == 0) {
if (!reserve_pmc_hardware())
err = -EBUSY;
else
err = reserve_bts_hardware();
}
if (!err)
- atomic_inc(&active_counters);
+ atomic_inc(&active_events);
mutex_unlock(&pmc_reserve_mutex);
}
if (err)
return err;
- counter->destroy = hw_perf_counter_destroy;
+ event->destroy = hw_perf_event_destroy;
/*
* Generate PMC IRQs:
@@ -948,8 +948,8 @@ static int __hw_perf_counter_init(struct perf_counter *counter)
/*
* If we have a PMU initialized but no APIC
* interrupts, we cannot sample hardware
- * counters (user-space has to fall back and
- * sample via a hrtimer based software counter):
+ * events (user-space has to fall back and
+ * sample via a hrtimer based software event):
*/
if (!x86_pmu.apic)
return -EOPNOTSUPP;
@@ -1001,7 +1001,7 @@ static int __hw_perf_counter_init(struct perf_counter *counter)
static void p6_pmu_disable_all(void)
{
- struct cpu_hw_counters *cpuc = &__get_cpu_var(cpu_hw_counters);
+ struct cpu_hw_events *cpuc = &__get_cpu_var(cpu_hw_events);
u64 val;
if (!cpuc->enabled)
@@ -1018,7 +1018,7 @@ static void p6_pmu_disable_all(void)
static void intel_pmu_disable_all(void)
{
- struct cpu_hw_counters *cpuc = &__get_cpu_var(cpu_hw_counters);
+ struct cpu_hw_events *cpuc = &__get_cpu_var(cpu_hw_events);
if (!cpuc->enabled)
return;
@@ -1034,7 +1034,7 @@ static void intel_pmu_disable_all(void)
static void amd_pmu_disable_all(void)
{
- struct cpu_hw_counters *cpuc = &__get_cpu_var(cpu_hw_counters);
+ struct cpu_hw_events *cpuc = &__get_cpu_var(cpu_hw_events);
int idx;
if (!cpuc->enabled)
@@ -1043,12 +1043,12 @@ static void amd_pmu_disable_all(void)
cpuc->enabled = 0;
/*
* ensure we write the disable before we start disabling the
- * counters proper, so that amd_pmu_enable_counter() does the
+ * events proper, so that amd_pmu_enable_event() does the
* right thing.
*/
barrier();
- for (idx = 0; idx < x86_pmu.num_counters; idx++) {
+ for (idx = 0; idx < x86_pmu.num_events; idx++) {
u64 val;
if (!test_bit(idx, cpuc->active_mask))
@@ -1070,7 +1070,7 @@ void hw_perf_disable(void)
static void p6_pmu_enable_all(void)
{
- struct cpu_hw_counters *cpuc = &__get_cpu_var(cpu_hw_counters);
+ struct cpu_hw_events *cpuc = &__get_cpu_var(cpu_hw_events);
unsigned long val;
if (cpuc->enabled)
@@ -1087,7 +1087,7 @@ static void p6_pmu_enable_all(void)
static void intel_pmu_enable_all(void)
{
- struct cpu_hw_counters *cpuc = &__get_cpu_var(cpu_hw_counters);
+ struct cpu_hw_events *cpuc = &__get_cpu_var(cpu_hw_events);
if (cpuc->enabled)
return;
@@ -1098,19 +1098,19 @@ static void intel_pmu_enable_all(void)
wrmsrl(MSR_CORE_PERF_GLOBAL_CTRL, x86_pmu.intel_ctrl);
if (test_bit(X86_PMC_IDX_FIXED_BTS, cpuc->active_mask)) {
- struct perf_counter *counter =
- cpuc->counters[X86_PMC_IDX_FIXED_BTS];
+ struct perf_event *event =
+ cpuc->events[X86_PMC_IDX_FIXED_BTS];
- if (WARN_ON_ONCE(!counter))
+ if (WARN_ON_ONCE(!event))
return;
- intel_pmu_enable_bts(counter->hw.config);
+ intel_pmu_enable_bts(event->hw.config);
}
}
static void amd_pmu_enable_all(void)
{
- struct cpu_hw_counters *cpuc = &__get_cpu_var(cpu_hw_counters);
+ struct cpu_hw_events *cpuc = &__get_cpu_var(cpu_hw_events);
int idx;
if (cpuc->enabled)
@@ -1119,14 +1119,14 @@ static void amd_pmu_enable_all(void)
cpuc->enabled = 1;
barrier();
- for (idx = 0; idx < x86_pmu.num_counters; idx++) {
- struct perf_counter *counter = cpuc->counters[idx];
+ for (idx = 0; idx < x86_pmu.num_events; idx++) {
+ struct perf_event *event = cpuc->events[idx];
u64 val;
if (!test_bit(idx, cpuc->active_mask))
continue;
- val = counter->hw.config;
+ val = event->hw.config;
val |= ARCH_PERFMON_EVENTSEL0_ENABLE;
wrmsrl(MSR_K7_EVNTSEL0 + idx, val);
}
@@ -1153,19 +1153,19 @@ static inline void intel_pmu_ack_status(u64 ack)
wrmsrl(MSR_CORE_PERF_GLOBAL_OVF_CTRL, ack);
}
-static inline void x86_pmu_enable_counter(struct hw_perf_counter *hwc, int idx)
+static inline void x86_pmu_enable_event(struct hw_perf_event *hwc, int idx)
{
(void)checking_wrmsrl(hwc->config_base + idx,
hwc->config | ARCH_PERFMON_EVENTSEL0_ENABLE);
}
-static inline void x86_pmu_disable_counter(struct hw_perf_counter *hwc, int idx)
+static inline void x86_pmu_disable_event(struct hw_perf_event *hwc, int idx)
{
(void)checking_wrmsrl(hwc->config_base + idx, hwc->config);
}
static inline void
-intel_pmu_disable_fixed(struct hw_perf_counter *hwc, int __idx)
+intel_pmu_disable_fixed(struct hw_perf_event *hwc, int __idx)
{
int idx = __idx - X86_PMC_IDX_FIXED;
u64 ctrl_val, mask;
@@ -1178,10 +1178,10 @@ intel_pmu_disable_fixed(struct hw_perf_counter *hwc, int __idx)
}
static inline void
-p6_pmu_disable_counter(struct hw_perf_counter *hwc, int idx)
+p6_pmu_disable_event(struct hw_perf_event *hwc, int idx)
{
- struct cpu_hw_counters *cpuc = &__get_cpu_var(cpu_hw_counters);
- u64 val = P6_NOP_COUNTER;
+ struct cpu_hw_events *cpuc = &__get_cpu_var(cpu_hw_events);
+ u64 val = P6_NOP_EVENT;
if (cpuc->enabled)
val |= ARCH_PERFMON_EVENTSEL0_ENABLE;
@@ -1190,7 +1190,7 @@ p6_pmu_disable_counter(struct hw_perf_counter *hwc, int idx)
}
static inline void
-intel_pmu_disable_counter(struct hw_perf_counter *hwc, int idx)
+intel_pmu_disable_event(struct hw_perf_event *hwc, int idx)
{
if (unlikely(idx == X86_PMC_IDX_FIXED_BTS)) {
intel_pmu_disable_bts();
@@ -1202,24 +1202,24 @@ intel_pmu_disable_counter(struct hw_perf_counter *hwc, int idx)
return;
}
- x86_pmu_disable_counter(hwc, idx);
+ x86_pmu_disable_event(hwc, idx);
}
static inline void
-amd_pmu_disable_counter(struct hw_perf_counter *hwc, int idx)
+amd_pmu_disable_event(struct hw_perf_event *hwc, int idx)
{
- x86_pmu_disable_counter(hwc, idx);
+ x86_pmu_disable_event(hwc, idx);
}
static DEFINE_PER_CPU(u64 [X86_PMC_IDX_MAX], pmc_prev_left);
/*
* Set the next IRQ period, based on the hwc->period_left value.
- * To be called with the counter disabled in hw:
+ * To be called with the event disabled in hw:
*/
static int
-x86_perf_counter_set_period(struct perf_counter *counter,
- struct hw_perf_counter *hwc, int idx)
+x86_perf_event_set_period(struct perf_event *event,
+ struct hw_perf_event *hwc, int idx)
{
s64 left = atomic64_read(&hwc->period_left);
s64 period = hwc->sample_period;
@@ -1256,21 +1256,21 @@ x86_perf_counter_set_period(struct perf_counter *counter,
per_cpu(pmc_prev_left[idx], smp_processor_id()) = left;
/*
- * The hw counter starts counting from this counter offset,
+ * The hw event starts counting from this event offset,
* mark it to be able to extra future deltas:
*/
atomic64_set(&hwc->prev_count, (u64)-left);
- err = checking_wrmsrl(hwc->counter_base + idx,
- (u64)(-left) & x86_pmu.counter_mask);
+ err = checking_wrmsrl(hwc->event_base + idx,
+ (u64)(-left) & x86_pmu.event_mask);
- perf_counter_update_userpage(counter);
+ perf_event_update_userpage(event);
return ret;
}
static inline void
-intel_pmu_enable_fixed(struct hw_perf_counter *hwc, int __idx)
+intel_pmu_enable_fixed(struct hw_perf_event *hwc, int __idx)
{
int idx = __idx - X86_PMC_IDX_FIXED;
u64 ctrl_val, bits, mask;
@@ -1295,9 +1295,9 @@ intel_pmu_enable_fixed(struct hw_perf_counter *hwc, int __idx)
err = checking_wrmsrl(hwc->config_base, ctrl_val);
}
-static void p6_pmu_enable_counter(struct hw_perf_counter *hwc, int idx)
+static void p6_pmu_enable_event(struct hw_perf_event *hwc, int idx)
{
- struct cpu_hw_counters *cpuc = &__get_cpu_var(cpu_hw_counters);
+ struct cpu_hw_events *cpuc = &__get_cpu_var(cpu_hw_events);
u64 val;
val = hwc->config;
@@ -1308,10 +1308,10 @@ static void p6_pmu_enable_counter(struct hw_perf_counter *hwc, int idx)
}
-static void intel_pmu_enable_counter(struct hw_perf_counter *hwc, int idx)
+static void intel_pmu_enable_event(struct hw_perf_event *hwc, int idx)
{
if (unlikely(idx == X86_PMC_IDX_FIXED_BTS)) {
- if (!__get_cpu_var(cpu_hw_counters).enabled)
+ if (!__get_cpu_var(cpu_hw_events).enabled)
return;
intel_pmu_enable_bts(hwc->config);
@@ -1323,19 +1323,19 @@ static void intel_pmu_enable_counter(struct hw_perf_counter *hwc, int idx)
return;
}
- x86_pmu_enable_counter(hwc, idx);
+ x86_pmu_enable_event(hwc, idx);
}
-static void amd_pmu_enable_counter(struct hw_perf_counter *hwc, int idx)
+static void amd_pmu_enable_event(struct hw_perf_event *hwc, int idx)
{
- struct cpu_hw_counters *cpuc = &__get_cpu_var(cpu_hw_counters);
+ struct cpu_hw_events *cpuc = &__get_cpu_var(cpu_hw_events);
if (cpuc->enabled)
- x86_pmu_enable_counter(hwc, idx);
+ x86_pmu_enable_event(hwc, idx);
}
static int
-fixed_mode_idx(struct perf_counter *counter, struct hw_perf_counter *hwc)
+fixed_mode_idx(struct perf_event *event, struct hw_perf_event *hwc)
{
unsigned int hw_event;
@@ -1346,7 +1346,7 @@ fixed_mode_idx(struct perf_counter *counter, struct hw_perf_counter *hwc)
(hwc->sample_period == 1)))
return X86_PMC_IDX_FIXED_BTS;
- if (!x86_pmu.num_counters_fixed)
+ if (!x86_pmu.num_events_fixed)
return -1;
if (unlikely(hw_event == x86_pmu.event_map(PERF_COUNT_HW_INSTRUCTIONS)))
@@ -1360,97 +1360,97 @@ fixed_mode_idx(struct perf_counter *counter, struct hw_perf_counter *hwc)
}
/*
- * Find a PMC slot for the freshly enabled / scheduled in counter:
+ * Find a PMC slot for the freshly enabled / scheduled in event:
*/
-static int x86_pmu_enable(struct perf_counter *counter)
+static int x86_pmu_enable(struct perf_event *event)
{
- struct cpu_hw_counters *cpuc = &__get_cpu_var(cpu_hw_counters);
- struct hw_perf_counter *hwc = &counter->hw;
+ struct cpu_hw_events *cpuc = &__get_cpu_var(cpu_hw_events);
+ struct hw_perf_event *hwc = &event->hw;
int idx;
- idx = fixed_mode_idx(counter, hwc);
+ idx = fixed_mode_idx(event, hwc);
if (idx == X86_PMC_IDX_FIXED_BTS) {
/* BTS is already occupied. */
if (test_and_set_bit(idx, cpuc->used_mask))
return -EAGAIN;
hwc->config_base = 0;
- hwc->counter_base = 0;
+ hwc->event_base = 0;
hwc->idx = idx;
} else if (idx >= 0) {
/*
- * Try to get the fixed counter, if that is already taken
- * then try to get a generic counter:
+ * Try to get the fixed event, if that is already taken
+ * then try to get a generic event:
*/
if (test_and_set_bit(idx, cpuc->used_mask))
goto try_generic;
hwc->config_base = MSR_ARCH_PERFMON_FIXED_CTR_CTRL;
/*
- * We set it so that counter_base + idx in wrmsr/rdmsr maps to
+ * We set it so that event_base + idx in wrmsr/rdmsr maps to
* MSR_ARCH_PERFMON_FIXED_CTR0 ... CTR2:
*/
- hwc->counter_base =
+ hwc->event_base =
MSR_ARCH_PERFMON_FIXED_CTR0 - X86_PMC_IDX_FIXED;
hwc->idx = idx;
} else {
idx = hwc->idx;
- /* Try to get the previous generic counter again */
+ /* Try to get the previous generic event again */
if (test_and_set_bit(idx, cpuc->used_mask)) {
try_generic:
idx = find_first_zero_bit(cpuc->used_mask,
- x86_pmu.num_counters);
- if (idx == x86_pmu.num_counters)
+ x86_pmu.num_events);
+ if (idx == x86_pmu.num_events)
return -EAGAIN;
set_bit(idx, cpuc->used_mask);
hwc->idx = idx;
}
hwc->config_base = x86_pmu.eventsel;
- hwc->counter_base = x86_pmu.perfctr;
+ hwc->event_base = x86_pmu.perfctr;
}
- perf_counters_lapic_init();
+ perf_events_lapic_init();
x86_pmu.disable(hwc, idx);
- cpuc->counters[idx] = counter;
+ cpuc->events[idx] = event;
set_bit(idx, cpuc->active_mask);
- x86_perf_counter_set_period(counter, hwc, idx);
+ x86_perf_event_set_period(event, hwc, idx);
x86_pmu.enable(hwc, idx);
- perf_counter_update_userpage(counter);
+ perf_event_update_userpage(event);
return 0;
}
-static void x86_pmu_unthrottle(struct perf_counter *counter)
+static void x86_pmu_unthrottle(struct perf_event *event)
{
- struct cpu_hw_counters *cpuc = &__get_cpu_var(cpu_hw_counters);
- struct hw_perf_counter *hwc = &counter->hw;
+ struct cpu_hw_events *cpuc = &__get_cpu_var(cpu_hw_events);
+ struct hw_perf_event *hwc = &event->hw;
if (WARN_ON_ONCE(hwc->idx >= X86_PMC_IDX_MAX ||
- cpuc->counters[hwc->idx] != counter))
+ cpuc->events[hwc->idx] != event))
return;
x86_pmu.enable(hwc, hwc->idx);
}
-void perf_counter_print_debug(void)
+void perf_event_print_debug(void)
{
u64 ctrl, status, overflow, pmc_ctrl, pmc_count, prev_left, fixed;
- struct cpu_hw_counters *cpuc;
+ struct cpu_hw_events *cpuc;
unsigned long flags;
int cpu, idx;
- if (!x86_pmu.num_counters)
+ if (!x86_pmu.num_events)
return;
local_irq_save(flags);
cpu = smp_processor_id();
- cpuc = &per_cpu(cpu_hw_counters, cpu);
+ cpuc = &per_cpu(cpu_hw_events, cpu);
if (x86_pmu.version >= 2) {
rdmsrl(MSR_CORE_PERF_GLOBAL_CTRL, ctrl);
@@ -1466,7 +1466,7 @@ void perf_counter_print_debug(void)
}
pr_info("CPU#%d: used: %016llx\n", cpu, *(u64 *)cpuc->used_mask);
- for (idx = 0; idx < x86_pmu.num_counters; idx++) {
+ for (idx = 0; idx < x86_pmu.num_events; idx++) {
rdmsrl(x86_pmu.eventsel + idx, pmc_ctrl);
rdmsrl(x86_pmu.perfctr + idx, pmc_count);
@@ -1479,7 +1479,7 @@ void perf_counter_print_debug(void)
pr_info("CPU#%d: gen-PMC%d left: %016llx\n",
cpu, idx, prev_left);
}
- for (idx = 0; idx < x86_pmu.num_counters_fixed; idx++) {
+ for (idx = 0; idx < x86_pmu.num_events_fixed; idx++) {
rdmsrl(MSR_ARCH_PERFMON_FIXED_CTR0 + idx, pmc_count);
pr_info("CPU#%d: fixed-PMC%d count: %016llx\n",
@@ -1488,7 +1488,7 @@ void perf_counter_print_debug(void)
local_irq_restore(flags);
}
-static void intel_pmu_drain_bts_buffer(struct cpu_hw_counters *cpuc)
+static void intel_pmu_drain_bts_buffer(struct cpu_hw_events *cpuc)
{
struct debug_store *ds = cpuc->ds;
struct bts_record {
@@ -1496,14 +1496,14 @@ static void intel_pmu_drain_bts_buffer(struct cpu_hw_counters *cpuc)
u64 to;
u64 flags;
};
- struct perf_counter *counter = cpuc->counters[X86_PMC_IDX_FIXED_BTS];
+ struct perf_event *event = cpuc->events[X86_PMC_IDX_FIXED_BTS];
struct bts_record *at, *top;
struct perf_output_handle handle;
struct perf_event_header header;
struct perf_sample_data data;
struct pt_regs regs;
- if (!counter)
+ if (!event)
return;
if (!ds)
@@ -1518,7 +1518,7 @@ static void intel_pmu_drain_bts_buffer(struct cpu_hw_counters *cpuc)
ds->bts_index = ds->bts_buffer_base;
- data.period = counter->hw.last_period;
+ data.period = event->hw.last_period;
data.addr = 0;
regs.ip = 0;
@@ -1527,9 +1527,9 @@ static void intel_pmu_drain_bts_buffer(struct cpu_hw_counters *cpuc)
* We will overwrite the from and to address before we output
* the sample.
*/
- perf_prepare_sample(&header, &data, counter, &regs);
+ perf_prepare_sample(&header, &data, event, &regs);
- if (perf_output_begin(&handle, counter,
+ if (perf_output_begin(&handle, event,
header.size * (top - at), 1, 1))
return;
@@ -1537,20 +1537,20 @@ static void intel_pmu_drain_bts_buffer(struct cpu_hw_counters *cpuc)
data.ip = at->from;
data.addr = at->to;
- perf_output_sample(&handle, &header, &data, counter);
+ perf_output_sample(&handle, &header, &data, event);
}
perf_output_end(&handle);
/* There's new data available. */
- counter->hw.interrupts++;
- counter->pending_kill = POLL_IN;
+ event->hw.interrupts++;
+ event->pending_kill = POLL_IN;
}
-static void x86_pmu_disable(struct perf_counter *counter)
+static void x86_pmu_disable(struct perf_event *event)
{
- struct cpu_hw_counters *cpuc = &__get_cpu_var(cpu_hw_counters);
- struct hw_perf_counter *hwc = &counter->hw;
+ struct cpu_hw_events *cpuc = &__get_cpu_var(cpu_hw_events);
+ struct hw_perf_event *hwc = &event->hw;
int idx = hwc->idx;
/*
@@ -1562,63 +1562,63 @@ static void x86_pmu_disable(struct perf_counter *counter)
/*
* Make sure the cleared pointer becomes visible before we
- * (potentially) free the counter:
+ * (potentially) free the event:
*/
barrier();
/*
- * Drain the remaining delta count out of a counter
+ * Drain the remaining delta count out of a event
* that we are disabling:
*/
- x86_perf_counter_update(counter, hwc, idx);
+ x86_perf_event_update(event, hwc, idx);
/* Drain the remaining BTS records. */
if (unlikely(idx == X86_PMC_IDX_FIXED_BTS))
intel_pmu_drain_bts_buffer(cpuc);
- cpuc->counters[idx] = NULL;
+ cpuc->events[idx] = NULL;
clear_bit(idx, cpuc->used_mask);
- perf_counter_update_userpage(counter);
+ perf_event_update_userpage(event);
}
/*
- * Save and restart an expired counter. Called by NMI contexts,
- * so it has to be careful about preempting normal counter ops:
+ * Save and restart an expired event. Called by NMI contexts,
+ * so it has to be careful about preempting normal event ops:
*/
-static int intel_pmu_save_and_restart(struct perf_counter *counter)
+static int intel_pmu_save_and_restart(struct perf_event *event)
{
- struct hw_perf_counter *hwc = &counter->hw;
+ struct hw_perf_event *hwc = &event->hw;
int idx = hwc->idx;
int ret;
- x86_perf_counter_update(counter, hwc, idx);
- ret = x86_perf_counter_set_period(counter, hwc, idx);
+ x86_perf_event_update(event, hwc, idx);
+ ret = x86_perf_event_set_period(event, hwc, idx);
- if (counter->state == PERF_COUNTER_STATE_ACTIVE)
- intel_pmu_enable_counter(hwc, idx);
+ if (event->state == PERF_EVENT_STATE_ACTIVE)
+ intel_pmu_enable_event(hwc, idx);
return ret;
}
static void intel_pmu_reset(void)
{
- struct debug_store *ds = __get_cpu_var(cpu_hw_counters).ds;
+ struct debug_store *ds = __get_cpu_var(cpu_hw_events).ds;
unsigned long flags;
int idx;
- if (!x86_pmu.num_counters)
+ if (!x86_pmu.num_events)
return;
local_irq_save(flags);
printk("clearing PMU state on CPU#%d\n", smp_processor_id());
- for (idx = 0; idx < x86_pmu.num_counters; idx++) {
+ for (idx = 0; idx < x86_pmu.num_events; idx++) {
checking_wrmsrl(x86_pmu.eventsel + idx, 0ull);
checking_wrmsrl(x86_pmu.perfctr + idx, 0ull);
}
- for (idx = 0; idx < x86_pmu.num_counters_fixed; idx++) {
+ for (idx = 0; idx < x86_pmu.num_events_fixed; idx++) {
checking_wrmsrl(MSR_ARCH_PERFMON_FIXED_CTR0 + idx, 0ull);
}
if (ds)
@@ -1630,38 +1630,38 @@ static void intel_pmu_reset(void)
static int p6_pmu_handle_irq(struct pt_regs *regs)
{
struct perf_sample_data data;
- struct cpu_hw_counters *cpuc;
- struct perf_counter *counter;
- struct hw_perf_counter *hwc;
+ struct cpu_hw_events *cpuc;
+ struct perf_event *event;
+ struct hw_perf_event *hwc;
int idx, handled = 0;
u64 val;
data.addr = 0;
- cpuc = &__get_cpu_var(cpu_hw_counters);
+ cpuc = &__get_cpu_var(cpu_hw_events);
- for (idx = 0; idx < x86_pmu.num_counters; idx++) {
+ for (idx = 0; idx < x86_pmu.num_events; idx++) {
if (!test_bit(idx, cpuc->active_mask))
continue;
- counter = cpuc->counters[idx];
- hwc = &counter->hw;
+ event = cpuc->events[idx];
+ hwc = &event->hw;
- val = x86_perf_counter_update(counter, hwc, idx);
- if (val & (1ULL << (x86_pmu.counter_bits - 1)))
+ val = x86_perf_event_update(event, hwc, idx);
+ if (val & (1ULL << (x86_pmu.event_bits - 1)))
continue;
/*
- * counter overflow
+ * event overflow
*/
handled = 1;
- data.period = counter->hw.last_period;
+ data.period = event->hw.last_period;
- if (!x86_perf_counter_set_period(counter, hwc, idx))
+ if (!x86_perf_event_set_period(event, hwc, idx))
continue;
- if (perf_counter_overflow(counter, 1, &data, regs))
- p6_pmu_disable_counter(hwc, idx);
+ if (perf_event_overflow(event, 1, &data, regs))
+ p6_pmu_disable_event(hwc, idx);
}
if (handled)
@@ -1677,13 +1677,13 @@ static int p6_pmu_handle_irq(struct pt_regs *regs)
static int intel_pmu_handle_irq(struct pt_regs *regs)
{
struct perf_sample_data data;
- struct cpu_hw_counters *cpuc;
+ struct cpu_hw_events *cpuc;
int bit, loops;
u64 ack, status;
data.addr = 0;
- cpuc = &__get_cpu_var(cpu_hw_counters);
+ cpuc = &__get_cpu_var(cpu_hw_events);
perf_disable();
intel_pmu_drain_bts_buffer(cpuc);
@@ -1696,8 +1696,8 @@ static int intel_pmu_handle_irq(struct pt_regs *regs)
loops = 0;
again:
if (++loops > 100) {
- WARN_ONCE(1, "perfcounters: irq loop stuck!\n");
- perf_counter_print_debug();
+ WARN_ONCE(1, "perfevents: irq loop stuck!\n");
+ perf_event_print_debug();
intel_pmu_reset();
perf_enable();
return 1;
@@ -1706,19 +1706,19 @@ again:
inc_irq_stat(apic_perf_irqs);
ack = status;
for_each_bit(bit, (unsigned long *)&status, X86_PMC_IDX_MAX) {
- struct perf_counter *counter = cpuc->counters[bit];
+ struct perf_event *event = cpuc->events[bit];
clear_bit(bit, (unsigned long *) &status);
if (!test_bit(bit, cpuc->active_mask))
continue;
- if (!intel_pmu_save_and_restart(counter))
+ if (!intel_pmu_save_and_restart(event))
continue;
- data.period = counter->hw.last_period;
+ data.period = event->hw.last_period;
- if (perf_counter_overflow(counter, 1, &data, regs))
- intel_pmu_disable_counter(&counter->hw, bit);
+ if (perf_event_overflow(event, 1, &data, regs))
+ intel_pmu_disable_event(&event->hw, bit);
}
intel_pmu_ack_status(ack);
@@ -1738,38 +1738,38 @@ again:
static int amd_pmu_handle_irq(struct pt_regs *regs)
{
struct perf_sample_data data;
- struct cpu_hw_counters *cpuc;
- struct perf_counter *counter;
- struct hw_perf_counter *hwc;
+ struct cpu_hw_events *cpuc;
+ struct perf_event *event;
+ struct hw_perf_event *hwc;
int idx, handled = 0;
u64 val;
data.addr = 0;
- cpuc = &__get_cpu_var(cpu_hw_counters);
+ cpuc = &__get_cpu_var(cpu_hw_events);
- for (idx = 0; idx < x86_pmu.num_counters; idx++) {
+ for (idx = 0; idx < x86_pmu.num_events; idx++) {
if (!test_bit(idx, cpuc->active_mask))
continue;
- counter = cpuc->counters[idx];
- hwc = &counter->hw;
+ event = cpuc->events[idx];
+ hwc = &event->hw;
- val = x86_perf_counter_update(counter, hwc, idx);
- if (val & (1ULL << (x86_pmu.counter_bits - 1)))
+ val = x86_perf_event_update(event, hwc, idx);
+ if (val & (1ULL << (x86_pmu.event_bits - 1)))
continue;
/*
- * counter overflow
+ * event overflow
*/
handled = 1;
- data.period = counter->hw.last_period;
+ data.period = event->hw.last_period;
- if (!x86_perf_counter_set_period(counter, hwc, idx))
+ if (!x86_perf_event_set_period(event, hwc, idx))
continue;
- if (perf_counter_overflow(counter, 1, &data, regs))
- amd_pmu_disable_counter(hwc, idx);
+ if (perf_event_overflow(event, 1, &data, regs))
+ amd_pmu_disable_event(hwc, idx);
}
if (handled)
@@ -1783,18 +1783,18 @@ void smp_perf_pending_interrupt(struct pt_regs *regs)
irq_enter();
ack_APIC_irq();
inc_irq_stat(apic_pending_irqs);
- perf_counter_do_pending();
+ perf_event_do_pending();
irq_exit();
}
-void set_perf_counter_pending(void)
+void set_perf_event_pending(void)
{
#ifdef CONFIG_X86_LOCAL_APIC
apic->send_IPI_self(LOCAL_PENDING_VECTOR);
#endif
}
-void perf_counters_lapic_init(void)
+void perf_events_lapic_init(void)
{
#ifdef CONFIG_X86_LOCAL_APIC
if (!x86_pmu.apic || !x86_pmu_initialized())
@@ -1808,13 +1808,13 @@ void perf_counters_lapic_init(void)
}
static int __kprobes
-perf_counter_nmi_handler(struct notifier_block *self,
+perf_event_nmi_handler(struct notifier_block *self,
unsigned long cmd, void *__args)
{
struct die_args *args = __args;
struct pt_regs *regs;
- if (!atomic_read(&active_counters))
+ if (!atomic_read(&active_events))
return NOTIFY_DONE;
switch (cmd) {
@@ -1833,7 +1833,7 @@ perf_counter_nmi_handler(struct notifier_block *self,
#endif
/*
* Can't rely on the handled return value to say it was our NMI, two
- * counters could trigger 'simultaneously' raising two back-to-back NMIs.
+ * events could trigger 'simultaneously' raising two back-to-back NMIs.
*
* If the first NMI handles both, the latter will be empty and daze
* the CPU.
@@ -1843,8 +1843,8 @@ perf_counter_nmi_handler(struct notifier_block *self,
return NOTIFY_STOP;
}
-static __read_mostly struct notifier_block perf_counter_nmi_notifier = {
- .notifier_call = perf_counter_nmi_handler,
+static __read_mostly struct notifier_block perf_event_nmi_notifier = {
+ .notifier_call = perf_event_nmi_handler,
.next = NULL,
.priority = 1
};
@@ -1854,8 +1854,8 @@ static struct x86_pmu p6_pmu = {
.handle_irq = p6_pmu_handle_irq,
.disable_all = p6_pmu_disable_all,
.enable_all = p6_pmu_enable_all,
- .enable = p6_pmu_enable_counter,
- .disable = p6_pmu_disable_counter,
+ .enable = p6_pmu_enable_event,
+ .disable = p6_pmu_disable_event,
.eventsel = MSR_P6_EVNTSEL0,
.perfctr = MSR_P6_PERFCTR0,
.event_map = p6_pmu_event_map,
@@ -1864,16 +1864,16 @@ static struct x86_pmu p6_pmu = {
.apic = 1,
.max_period = (1ULL << 31) - 1,
.version = 0,
- .num_counters = 2,
+ .num_events = 2,
/*
- * Counters have 40 bits implemented. However they are designed such
+ * Events have 40 bits implemented. However they are designed such
* that bits [32-39] are sign extensions of bit 31. As such the
- * effective width of a counter for P6-like PMU is 32 bits only.
+ * effective width of a event for P6-like PMU is 32 bits only.
*
* See IA-32 Intel Architecture Software developer manual Vol 3B
*/
- .counter_bits = 32,
- .counter_mask = (1ULL << 32) - 1,
+ .event_bits = 32,
+ .event_mask = (1ULL << 32) - 1,
};
static struct x86_pmu intel_pmu = {
@@ -1881,8 +1881,8 @@ static struct x86_pmu intel_pmu = {
.handle_irq = intel_pmu_handle_irq,
.disable_all = intel_pmu_disable_all,
.enable_all = intel_pmu_enable_all,
- .enable = intel_pmu_enable_counter,
- .disable = intel_pmu_disable_counter,
+ .enable = intel_pmu_enable_event,
+ .disable = intel_pmu_disable_event,
.eventsel = MSR_ARCH_PERFMON_EVENTSEL0,
.perfctr = MSR_ARCH_PERFMON_PERFCTR0,
.event_map = intel_pmu_event_map,
@@ -1892,7 +1892,7 @@ static struct x86_pmu intel_pmu = {
/*
* Intel PMCs cannot be accessed sanely above 32 bit width,
* so we install an artificial 1<<31 period regardless of
- * the generic counter period:
+ * the generic event period:
*/
.max_period = (1ULL << 31) - 1,
.enable_bts = intel_pmu_enable_bts,
@@ -1904,16 +1904,16 @@ static struct x86_pmu amd_pmu = {
.handle_irq = amd_pmu_handle_irq,
.disable_all = amd_pmu_disable_all,
.enable_all = amd_pmu_enable_all,
- .enable = amd_pmu_enable_counter,
- .disable = amd_pmu_disable_counter,
+ .enable = amd_pmu_enable_event,
+ .disable = amd_pmu_disable_event,
.eventsel = MSR_K7_EVNTSEL0,
.perfctr = MSR_K7_PERFCTR0,
.event_map = amd_pmu_event_map,
.raw_event = amd_pmu_raw_event,
.max_events = ARRAY_SIZE(amd_perfmon_event_map),
- .num_counters = 4,
- .counter_bits = 48,
- .counter_mask = (1ULL << 48) - 1,
+ .num_events = 4,
+ .event_bits = 48,
+ .event_mask = (1ULL << 48) - 1,
.apic = 1,
/* use highest bit to detect overflow */
.max_period = (1ULL << 47) - 1,
@@ -1982,15 +1982,15 @@ static int intel_pmu_init(void)
x86_pmu = intel_pmu;
x86_pmu.version = version;
- x86_pmu.num_counters = eax.split.num_counters;
- x86_pmu.counter_bits = eax.split.bit_width;
- x86_pmu.counter_mask = (1ULL << eax.split.bit_width) - 1;
+ x86_pmu.num_events = eax.split.num_events;
+ x86_pmu.event_bits = eax.split.bit_width;
+ x86_pmu.event_mask = (1ULL << eax.split.bit_width) - 1;
/*
- * Quirk: v2 perfmon does not report fixed-purpose counters, so
- * assume at least 3 counters:
+ * Quirk: v2 perfmon does not report fixed-purpose events, so
+ * assume at least 3 events:
*/
- x86_pmu.num_counters_fixed = max((int)edx.split.num_counters_fixed, 3);
+ x86_pmu.num_events_fixed = max((int)edx.split.num_events_fixed, 3);
/*
* Install the hw-cache-events table:
@@ -2037,11 +2037,11 @@ static int amd_pmu_init(void)
return 0;
}
-void __init init_hw_perf_counters(void)
+void __init init_hw_perf_events(void)
{
int err;
- pr_info("Performance Counters: ");
+ pr_info("Performance Events: ");
switch (boot_cpu_data.x86_vendor) {
case X86_VENDOR_INTEL:
@@ -2054,45 +2054,45 @@ void __init init_hw_perf_counters(void)
return;
}
if (err != 0) {
- pr_cont("no PMU driver, software counters only.\n");
+ pr_cont("no PMU driver, software events only.\n");
return;
}
pr_cont("%s PMU driver.\n", x86_pmu.name);
- if (x86_pmu.num_counters > X86_PMC_MAX_GENERIC) {
- WARN(1, KERN_ERR "hw perf counters %d > max(%d), clipping!",
- x86_pmu.num_counters, X86_PMC_MAX_GENERIC);
- x86_pmu.num_counters = X86_PMC_MAX_GENERIC;
+ if (x86_pmu.num_events > X86_PMC_MAX_GENERIC) {
+ WARN(1, KERN_ERR "hw perf events %d > max(%d), clipping!",
+ x86_pmu.num_events, X86_PMC_MAX_GENERIC);
+ x86_pmu.num_events = X86_PMC_MAX_GENERIC;
}
- perf_counter_mask = (1 << x86_pmu.num_counters) - 1;
- perf_max_counters = x86_pmu.num_counters;
+ perf_event_mask = (1 << x86_pmu.num_events) - 1;
+ perf_max_events = x86_pmu.num_events;
- if (x86_pmu.num_counters_fixed > X86_PMC_MAX_FIXED) {
- WARN(1, KERN_ERR "hw perf counters fixed %d > max(%d), clipping!",
- x86_pmu.num_counters_fixed, X86_PMC_MAX_FIXED);
- x86_pmu.num_counters_fixed = X86_PMC_MAX_FIXED;
+ if (x86_pmu.num_events_fixed > X86_PMC_MAX_FIXED) {
+ WARN(1, KERN_ERR "hw perf events fixed %d > max(%d), clipping!",
+ x86_pmu.num_events_fixed, X86_PMC_MAX_FIXED);
+ x86_pmu.num_events_fixed = X86_PMC_MAX_FIXED;
}
- perf_counter_mask |=
- ((1LL << x86_pmu.num_counters_fixed)-1) << X86_PMC_IDX_FIXED;
- x86_pmu.intel_ctrl = perf_counter_mask;
+ perf_event_mask |=
+ ((1LL << x86_pmu.num_events_fixed)-1) << X86_PMC_IDX_FIXED;
+ x86_pmu.intel_ctrl = perf_event_mask;
- perf_counters_lapic_init();
- register_die_notifier(&perf_counter_nmi_notifier);
+ perf_events_lapic_init();
+ register_die_notifier(&perf_event_nmi_notifier);
pr_info("... version: %d\n", x86_pmu.version);
- pr_info("... bit width: %d\n", x86_pmu.counter_bits);
- pr_info("... generic counters: %d\n", x86_pmu.num_counters);
- pr_info("... value mask: %016Lx\n", x86_pmu.counter_mask);
+ pr_info("... bit width: %d\n", x86_pmu.event_bits);
+ pr_info("... generic events: %d\n", x86_pmu.num_events);
+ pr_info("... value mask: %016Lx\n", x86_pmu.event_mask);
pr_info("... max period: %016Lx\n", x86_pmu.max_period);
- pr_info("... fixed-purpose counters: %d\n", x86_pmu.num_counters_fixed);
- pr_info("... counter mask: %016Lx\n", perf_counter_mask);
+ pr_info("... fixed-purpose events: %d\n", x86_pmu.num_events_fixed);
+ pr_info("... event mask: %016Lx\n", perf_event_mask);
}
-static inline void x86_pmu_read(struct perf_counter *counter)
+static inline void x86_pmu_read(struct perf_event *event)
{
- x86_perf_counter_update(counter, &counter->hw, counter->hw.idx);
+ x86_perf_event_update(event, &event->hw, event->hw.idx);
}
static const struct pmu pmu = {
@@ -2102,14 +2102,14 @@ static const struct pmu pmu = {
.unthrottle = x86_pmu_unthrottle,
};
-const struct pmu *hw_perf_counter_init(struct perf_counter *counter)
+const struct pmu *hw_perf_event_init(struct perf_event *event)
{
int err;
- err = __hw_perf_counter_init(counter);
+ err = __hw_perf_event_init(event);
if (err) {
- if (counter->destroy)
- counter->destroy(counter);
+ if (event->destroy)
+ event->destroy(event);
return ERR_PTR(err);
}
@@ -2292,7 +2292,7 @@ struct perf_callchain_entry *perf_callchain(struct pt_regs *regs)
return entry;
}
-void hw_perf_counter_setup_online(int cpu)
+void hw_perf_event_setup_online(int cpu)
{
init_debug_store_on_cpu(cpu);
}
diff --git a/arch/x86/kernel/cpu/perfctr-watchdog.c b/arch/x86/kernel/cpu/perfctr-watchdog.c
index 392bea43b89..fab786f60ed 100644
--- a/arch/x86/kernel/cpu/perfctr-watchdog.c
+++ b/arch/x86/kernel/cpu/perfctr-watchdog.c
@@ -20,7 +20,7 @@
#include <linux/kprobes.h>
#include <asm/apic.h>
-#include <asm/perf_counter.h>
+#include <asm/perf_event.h>
struct nmi_watchdog_ctlblk {
unsigned int cccr_msr;
diff --git a/arch/x86/kernel/entry_64.S b/arch/x86/kernel/entry_64.S
index d59fe323807..681c3fda739 100644
--- a/arch/x86/kernel/entry_64.S
+++ b/arch/x86/kernel/entry_64.S
@@ -1021,7 +1021,7 @@ apicinterrupt ERROR_APIC_VECTOR \
apicinterrupt SPURIOUS_APIC_VECTOR \
spurious_interrupt smp_spurious_interrupt
-#ifdef CONFIG_PERF_COUNTERS
+#ifdef CONFIG_PERF_EVENTS
apicinterrupt LOCAL_PENDING_VECTOR \
perf_pending_interrupt smp_perf_pending_interrupt
#endif
diff --git a/arch/x86/kernel/irqinit.c b/arch/x86/kernel/irqinit.c
index 300883112e3..40f30773fb2 100644
--- a/arch/x86/kernel/irqinit.c
+++ b/arch/x86/kernel/irqinit.c
@@ -208,7 +208,7 @@ static void __init apic_intr_init(void)
alloc_intr_gate(ERROR_APIC_VECTOR, error_interrupt);
/* Performance monitoring interrupts: */
-# ifdef CONFIG_PERF_COUNTERS
+# ifdef CONFIG_PERF_EVENTS
alloc_intr_gate(LOCAL_PENDING_VECTOR, perf_pending_interrupt);
# endif
diff --git a/arch/x86/kernel/syscall_table_32.S b/arch/x86/kernel/syscall_table_32.S
index d51321ddafd..0157cd26d7c 100644
--- a/arch/x86/kernel/syscall_table_32.S
+++ b/arch/x86/kernel/syscall_table_32.S
@@ -335,4 +335,4 @@ ENTRY(sys_call_table)
.long sys_preadv
.long sys_pwritev
.long sys_rt_tgsigqueueinfo /* 335 */
- .long sys_perf_counter_open
+ .long sys_perf_event_open
diff --git a/arch/x86/mm/fault.c b/arch/x86/mm/fault.c
index 775a020990a..82728f2c6d5 100644
--- a/arch/x86/mm/fault.c
+++ b/arch/x86/mm/fault.c
@@ -10,7 +10,7 @@
#include <linux/bootmem.h> /* max_low_pfn */
#include <linux/kprobes.h> /* __kprobes, ... */
#include <linux/mmiotrace.h> /* kmmio_handler, ... */
-#include <linux/perf_counter.h> /* perf_swcounter_event */
+#include <linux/perf_event.h> /* perf_sw_event */
#include <asm/traps.h> /* dotraplinkage, ... */
#include <asm/pgalloc.h> /* pgd_*(), ... */
@@ -1017,7 +1017,7 @@ do_page_fault(struct pt_regs *regs, unsigned long error_code)
if (unlikely(error_code & PF_RSVD))
pgtable_bad(regs, error_code, address);
- perf_swcounter_event(PERF_COUNT_SW_PAGE_FAULTS, 1, 0, regs, address);
+ perf_sw_event(PERF_COUNT_SW_PAGE_FAULTS, 1, 0, regs, address);
/*
* If we're in an interrupt, have no user context or are running
@@ -1114,11 +1114,11 @@ good_area:
if (fault & VM_FAULT_MAJOR) {
tsk->maj_flt++;
- perf_swcounter_event(PERF_COUNT_SW_PAGE_FAULTS_MAJ, 1, 0,
+ perf_sw_event(PERF_COUNT_SW_PAGE_FAULTS_MAJ, 1, 0,
regs, address);
} else {
tsk->min_flt++;
- perf_swcounter_event(PERF_COUNT_SW_PAGE_FAULTS_MIN, 1, 0,
+ perf_sw_event(PERF_COUNT_SW_PAGE_FAULTS_MIN, 1, 0,
regs, address);
}
diff --git a/arch/x86/oprofile/op_model_ppro.c b/arch/x86/oprofile/op_model_ppro.c
index 4899215999d..8eb05878554 100644
--- a/arch/x86/oprofile/op_model_ppro.c
+++ b/arch/x86/oprofile/op_model_ppro.c
@@ -234,11 +234,11 @@ static void arch_perfmon_setup_counters(void)
if (eax.split.version_id == 0 && current_cpu_data.x86 == 6 &&
current_cpu_data.x86_model == 15) {
eax.split.version_id = 2;
- eax.split.num_counters = 2;
+ eax.split.num_events = 2;
eax.split.bit_width = 40;
}
- num_counters = eax.split.num_counters;
+ num_counters = eax.split.num_events;
op_arch_perfmon_spec.num_counters = num_counters;
op_arch_perfmon_spec.num_controls = num_counters;
diff --git a/arch/x86/oprofile/op_x86_model.h b/arch/x86/oprofile/op_x86_model.h
index b83776180c7..7b8e75d1608 100644
--- a/arch/x86/oprofile/op_x86_model.h
+++ b/arch/x86/oprofile/op_x86_model.h
@@ -13,7 +13,7 @@
#define OP_X86_MODEL_H
#include <asm/types.h>
-#include <asm/perf_counter.h>
+#include <asm/perf_event.h>
struct op_msr {
unsigned long addr;
diff --git a/drivers/char/sysrq.c b/drivers/char/sysrq.c
index 50eecfe1d72..44203ff599d 100644
--- a/drivers/char/sysrq.c
+++ b/drivers/char/sysrq.c
@@ -26,7 +26,7 @@
#include <linux/proc_fs.h>
#include <linux/nmi.h>
#include <linux/quotaops.h>
-#include <linux/perf_counter.h>
+#include <linux/perf_event.h>
#include <linux/kernel.h>
#include <linux/module.h>
#include <linux/suspend.h>
@@ -252,7 +252,7 @@ static void sysrq_handle_showregs(int key, struct tty_struct *tty)
struct pt_regs *regs = get_irq_regs();
if (regs)
show_regs(regs);
- perf_counter_print_debug();
+ perf_event_print_debug();
}
static struct sysrq_key_op sysrq_showregs_op = {
.handler = sysrq_handle_showregs,
diff --git a/fs/exec.c b/fs/exec.c
index 172ceb6edde..434dba778cc 100644
--- a/fs/exec.c
+++ b/fs/exec.c
@@ -33,7 +33,7 @@
#include <linux/string.h>
#include <linux/init.h>
#include <linux/pagemap.h>
-#include <linux/perf_counter.h>
+#include <linux/perf_event.h>
#include <linux/highmem.h>
#include <linux/spinlock.h>
#include <linux/key.h>
@@ -923,7 +923,7 @@ void set_task_comm(struct task_struct *tsk, char *buf)
task_lock(tsk);
strlcpy(tsk->comm, buf, sizeof(tsk->comm));
task_unlock(tsk);
- perf_counter_comm(tsk);
+ perf_event_comm(tsk);
}
int flush_old_exec(struct linux_binprm * bprm)
@@ -997,7 +997,7 @@ int flush_old_exec(struct linux_binprm * bprm)
* security domain:
*/
if (!get_dumpable(current->mm))
- perf_counter_exit_task(current);
+ perf_event_exit_task(current);
/* An exec changes our domain. We are no longer part of the thread
group */
diff --git a/include/asm-generic/unistd.h b/include/asm-generic/unistd.h
index 1125e5a1ee5..d76b66acea9 100644
--- a/include/asm-generic/unistd.h
+++ b/include/asm-generic/unistd.h
@@ -620,8 +620,8 @@ __SYSCALL(__NR_move_pages, sys_move_pages)
#define __NR_rt_tgsigqueueinfo 240
__SYSCALL(__NR_rt_tgsigqueueinfo, sys_rt_tgsigqueueinfo)
-#define __NR_perf_counter_open 241
-__SYSCALL(__NR_perf_counter_open, sys_perf_counter_open)
+#define __NR_perf_event_open 241
+__SYSCALL(__NR_perf_event_open, sys_perf_event_open)
#undef __NR_syscalls
#define __NR_syscalls 242
diff --git a/include/linux/init_task.h b/include/linux/init_task.h
index 9e7f2e8fc66..21a6f5d9af2 100644
--- a/include/linux/init_task.h
+++ b/include/linux/init_task.h
@@ -106,13 +106,13 @@ extern struct group_info init_groups;
extern struct cred init_cred;
-#ifdef CONFIG_PERF_COUNTERS
-# define INIT_PERF_COUNTERS(tsk) \
- .perf_counter_mutex = \
- __MUTEX_INITIALIZER(tsk.perf_counter_mutex), \
- .perf_counter_list = LIST_HEAD_INIT(tsk.perf_counter_list),
+#ifdef CONFIG_PERF_EVENTS
+# define INIT_PERF_EVENTS(tsk) \
+ .perf_event_mutex = \
+ __MUTEX_INITIALIZER(tsk.perf_event_mutex), \
+ .perf_event_list = LIST_HEAD_INIT(tsk.perf_event_list),
#else
-# define INIT_PERF_COUNTERS(tsk)
+# define INIT_PERF_EVENTS(tsk)
#endif
/*
@@ -178,7 +178,7 @@ extern struct cred init_cred;
}, \
.dirties = INIT_PROP_LOCAL_SINGLE(dirties), \
INIT_IDS \
- INIT_PERF_COUNTERS(tsk) \
+ INIT_PERF_EVENTS(tsk) \
INIT_TRACE_IRQFLAGS \
INIT_LOCKDEP \
INIT_FTRACE_GRAPH \
diff --git a/include/linux/perf_counter.h b/include/linux/perf_event.h
index f6486273267..ae9d9ed6df2 100644
--- a/include/linux/perf_counter.h
+++ b/include/linux/perf_event.h
@@ -1,5 +1,5 @@
/*
- * Performance counters:
+ * Performance events:
*
* Copyright (C) 2008-2009, Thomas Gleixner <tglx@linutronix.de>
* Copyright (C) 2008-2009, Red Hat, Inc., Ingo Molnar
@@ -11,8 +11,8 @@
*
* For licencing details see kernel-base/COPYING
*/
-#ifndef _LINUX_PERF_COUNTER_H
-#define _LINUX_PERF_COUNTER_H
+#ifndef _LINUX_PERF_EVENT_H
+#define _LINUX_PERF_EVENT_H
#include <linux/types.h>
#include <linux/ioctl.h>
@@ -36,8 +36,8 @@ enum perf_type_id {
};
/*
- * Generalized performance counter event types, used by the
- * attr.event_id parameter of the sys_perf_counter_open()
+ * Generalized performance event event_id types, used by the
+ * attr.event_id parameter of the sys_perf_event_open()
* syscall:
*/
enum perf_hw_id {
@@ -56,7 +56,7 @@ enum perf_hw_id {
};
/*
- * Generalized hardware cache counters:
+ * Generalized hardware cache events:
*
* { L1-D, L1-I, LLC, ITLB, DTLB, BPU } x
* { read, write, prefetch } x
@@ -89,8 +89,8 @@ enum perf_hw_cache_op_result_id {
};
/*
- * Special "software" counters provided by the kernel, even if the hardware
- * does not support performance counters. These counters measure various
+ * Special "software" events provided by the kernel, even if the hardware
+ * does not support performance events. These events measure various
* physical and sw events of the kernel (and allow the profiling of them as
* well):
*/
@@ -110,7 +110,7 @@ enum perf_sw_ids {
* Bits that can be set in attr.sample_type to request information
* in the overflow packets.
*/
-enum perf_counter_sample_format {
+enum perf_event_sample_format {
PERF_SAMPLE_IP = 1U << 0,
PERF_SAMPLE_TID = 1U << 1,
PERF_SAMPLE_TIME = 1U << 2,
@@ -127,7 +127,7 @@ enum perf_counter_sample_format {
};
/*
- * The format of the data returned by read() on a perf counter fd,
+ * The format of the data returned by read() on a perf event fd,
* as specified by attr.read_format:
*
* struct read_format {
@@ -146,7 +146,7 @@ enum perf_counter_sample_format {
* } && PERF_FORMAT_GROUP
* };
*/
-enum perf_counter_read_format {
+enum perf_event_read_format {
PERF_FORMAT_TOTAL_TIME_ENABLED = 1U << 0,
PERF_FORMAT_TOTAL_TIME_RUNNING = 1U << 1,
PERF_FORMAT_ID = 1U << 2,
@@ -158,9 +158,9 @@ enum perf_counter_read_format {
#define PERF_ATTR_SIZE_VER0 64 /* sizeof first published struct */
/*
- * Hardware event to monitor via a performance monitoring counter:
+ * Hardware event_id to monitor via a performance monitoring event:
*/
-struct perf_counter_attr {
+struct perf_event_attr {
/*
* Major type: hardware/software/tracepoint/etc.
@@ -213,28 +213,28 @@ struct perf_counter_attr {
};
/*
- * Ioctls that can be done on a perf counter fd:
+ * Ioctls that can be done on a perf event fd:
*/
-#define PERF_COUNTER_IOC_ENABLE _IO ('$', 0)
-#define PERF_COUNTER_IOC_DISABLE _IO ('$', 1)
-#define PERF_COUNTER_IOC_REFRESH _IO ('$', 2)
-#define PERF_COUNTER_IOC_RESET _IO ('$', 3)
-#define PERF_COUNTER_IOC_PERIOD _IOW('$', 4, u64)
-#define PERF_COUNTER_IOC_SET_OUTPUT _IO ('$', 5)
-
-enum perf_counter_ioc_flags {
+#define PERF_EVENT_IOC_ENABLE _IO ('$', 0)
+#define PERF_EVENT_IOC_DISABLE _IO ('$', 1)
+#define PERF_EVENT_IOC_REFRESH _IO ('$', 2)
+#define PERF_EVENT_IOC_RESET _IO ('$', 3)
+#define PERF_EVENT_IOC_PERIOD _IOW('$', 4, u64)
+#define PERF_EVENT_IOC_SET_OUTPUT _IO ('$', 5)
+
+enum perf_event_ioc_flags {
PERF_IOC_FLAG_GROUP = 1U << 0,
};
/*
* Structure of the page that can be mapped via mmap
*/
-struct perf_counter_mmap_page {
+struct perf_event_mmap_page {
__u32 version; /* version number of this structure */
__u32 compat_version; /* lowest version this is compat with */
/*
- * Bits needed to read the hw counters in user-space.
+ * Bits needed to read the hw events in user-space.
*
* u32 seq;
* s64 count;
@@ -256,10 +256,10 @@ struct perf_counter_mmap_page {
* processes.
*/
__u32 lock; /* seqlock for synchronization */
- __u32 index; /* hardware counter identifier */
- __s64 offset; /* add to hardware counter value */
- __u64 time_enabled; /* time counter active */
- __u64 time_running; /* time counter on cpu */
+ __u32 index; /* hardware event identifier */
+ __s64 offset; /* add to hardware event value */
+ __u64 time_enabled; /* time event active */
+ __u64 time_running; /* time event on cpu */
/*
* Hole for extension of the self monitor capabilities
@@ -272,7 +272,7 @@ struct perf_counter_mmap_page {
*
* User-space reading the @data_head value should issue an rmb(), on
* SMP capable platforms, after reading this value -- see
- * perf_counter_wakeup().
+ * perf_event_wakeup().
*
* When the mapping is PROT_WRITE the @data_tail value should be
* written by userspace to reflect the last read data. In this case
@@ -282,11 +282,11 @@ struct perf_counter_mmap_page {
__u64 data_tail; /* user-space written tail */
};
-#define PERF_EVENT_MISC_CPUMODE_MASK (3 << 0)
-#define PERF_EVENT_MISC_CPUMODE_UNKNOWN (0 << 0)
-#define PERF_EVENT_MISC_KERNEL (1 << 0)
-#define PERF_EVENT_MISC_USER (2 << 0)
-#define PERF_EVENT_MISC_HYPERVISOR (3 << 0)
+#define PERF_RECORD_MISC_CPUMODE_MASK (3 << 0)
+#define PERF_RECORD_MISC_CPUMODE_UNKNOWN (0 << 0)
+#define PERF_RECORD_MISC_KERNEL (1 << 0)
+#define PERF_RECORD_MISC_USER (2 << 0)
+#define PERF_RECORD_MISC_HYPERVISOR (3 << 0)
struct perf_event_header {
__u32 type;
@@ -310,7 +310,7 @@ enum perf_event_type {
* char filename[];
* };
*/
- PERF_EVENT_MMAP = 1,
+ PERF_RECORD_MMAP = 1,
/*
* struct {
@@ -319,7 +319,7 @@ enum perf_event_type {
* u64 lost;
* };
*/
- PERF_EVENT_LOST = 2,
+ PERF_RECORD_LOST = 2,
/*
* struct {
@@ -329,7 +329,7 @@ enum perf_event_type {
* char comm[];
* };
*/
- PERF_EVENT_COMM = 3,
+ PERF_RECORD_COMM = 3,
/*
* struct {
@@ -339,7 +339,7 @@ enum perf_event_type {
* u64 time;
* };
*/
- PERF_EVENT_EXIT = 4,
+ PERF_RECORD_EXIT = 4,
/*
* struct {
@@ -349,8 +349,8 @@ enum perf_event_type {
* u64 stream_id;
* };
*/
- PERF_EVENT_THROTTLE = 5,
- PERF_EVENT_UNTHROTTLE = 6,
+ PERF_RECORD_THROTTLE = 5,
+ PERF_RECORD_UNTHROTTLE = 6,
/*
* struct {
@@ -360,7 +360,7 @@ enum perf_event_type {
* { u64 time; } && PERF_SAMPLE_TIME
* };
*/
- PERF_EVENT_FORK = 7,
+ PERF_RECORD_FORK = 7,
/*
* struct {
@@ -370,7 +370,7 @@ enum perf_event_type {
* struct read_format values;
* };
*/
- PERF_EVENT_READ = 8,
+ PERF_RECORD_READ = 8,
/*
* struct {
@@ -395,7 +395,7 @@ enum perf_event_type {
* #
* # That is, the ABI doesn't make any promises wrt to
* # the stability of its content, it may vary depending
- * # on event, hardware, kernel version and phase of
+ * # on event_id, hardware, kernel version and phase of
* # the moon.
* #
* # In other words, PERF_SAMPLE_RAW contents are not an ABI.
@@ -405,9 +405,9 @@ enum perf_event_type {
* char data[size];}&& PERF_SAMPLE_RAW
* };
*/
- PERF_EVENT_SAMPLE = 9,
+ PERF_RECORD_SAMPLE = 9,
- PERF_EVENT_MAX, /* non-ABI */
+ PERF_RECORD_MAX, /* non-ABI */
};
enum perf_callchain_context {
@@ -430,8 +430,8 @@ enum perf_callchain_context {
* Kernel-internal data types and definitions:
*/
-#ifdef CONFIG_PERF_COUNTERS
-# include <asm/perf_counter.h>
+#ifdef CONFIG_PERF_EVENTS
+# include <asm/perf_event.h>
#endif
#include <linux/list.h>
@@ -459,15 +459,15 @@ struct perf_raw_record {
struct task_struct;
/**
- * struct hw_perf_counter - performance counter hardware details:
+ * struct hw_perf_event - performance event hardware details:
*/
-struct hw_perf_counter {
-#ifdef CONFIG_PERF_COUNTERS
+struct hw_perf_event {
+#ifdef CONFIG_PERF_EVENTS
union {
struct { /* hardware */
u64 config;
unsigned long config_base;
- unsigned long counter_base;
+ unsigned long event_base;
int idx;
};
union { /* software */
@@ -487,26 +487,26 @@ struct hw_perf_counter {
#endif
};
-struct perf_counter;
+struct perf_event;
/**
* struct pmu - generic performance monitoring unit
*/
struct pmu {
- int (*enable) (struct perf_counter *counter);
- void (*disable) (struct perf_counter *counter);
- void (*read) (struct perf_counter *counter);
- void (*unthrottle) (struct perf_counter *counter);
+ int (*enable) (struct perf_event *event);
+ void (*disable) (struct perf_event *event);
+ void (*read) (struct perf_event *event);
+ void (*unthrottle) (struct perf_event *event);
};
/**
- * enum perf_counter_active_state - the states of a counter
+ * enum perf_event_active_state - the states of a event
*/
-enum perf_counter_active_state {
- PERF_COUNTER_STATE_ERROR = -2,
- PERF_COUNTER_STATE_OFF = -1,
- PERF_COUNTER_STATE_INACTIVE = 0,
- PERF_COUNTER_STATE_ACTIVE = 1,
+enum perf_event_active_state {
+ PERF_EVENT_STATE_ERROR = -2,
+ PERF_EVENT_STATE_OFF = -1,
+ PERF_EVENT_STATE_INACTIVE = 0,
+ PERF_EVENT_STATE_ACTIVE = 1,
};
struct file;
@@ -518,7 +518,7 @@ struct perf_mmap_data {
int nr_locked; /* nr pages mlocked */
atomic_t poll; /* POLL_ for wakeups */
- atomic_t events; /* event limit */
+ atomic_t events; /* event_id limit */
atomic_long_t head; /* write position */
atomic_long_t done_head; /* completed head */
@@ -529,7 +529,7 @@ struct perf_mmap_data {
long watermark; /* wakeup watermark */
- struct perf_counter_mmap_page *user_page;
+ struct perf_event_mmap_page *user_page;
void *data_pages[0];
};
@@ -539,56 +539,56 @@ struct perf_pending_entry {
};
/**
- * struct perf_counter - performance counter kernel representation:
+ * struct perf_event - performance event kernel representation:
*/
-struct perf_counter {
-#ifdef CONFIG_PERF_COUNTERS
+struct perf_event {
+#ifdef CONFIG_PERF_EVENTS
struct list_head group_entry;
struct list_head event_entry;
struct list_head sibling_list;
int nr_siblings;
- struct perf_counter *group_leader;
- struct perf_counter *output;
+ struct perf_event *group_leader;
+ struct perf_event *output;
const struct pmu *pmu;
- enum perf_counter_active_state state;
+ enum perf_event_active_state state;
atomic64_t count;
/*
- * These are the total time in nanoseconds that the counter
+ * These are the total time in nanoseconds that the event
* has been enabled (i.e. eligible to run, and the task has
- * been scheduled in, if this is a per-task counter)
+ * been scheduled in, if this is a per-task event)
* and running (scheduled onto the CPU), respectively.
*
* They are computed from tstamp_enabled, tstamp_running and
- * tstamp_stopped when the counter is in INACTIVE or ACTIVE state.
+ * tstamp_stopped when the event is in INACTIVE or ACTIVE state.
*/
u64 total_time_enabled;
u64 total_time_running;
/*
* These are timestamps used for computing total_time_enabled
- * and total_time_running when the counter is in INACTIVE or
+ * and total_time_running when the event is in INACTIVE or
* ACTIVE state, measured in nanoseconds from an arbitrary point
* in time.
- * tstamp_enabled: the notional time when the counter was enabled
- * tstamp_running: the notional time when the counter was scheduled on
+ * tstamp_enabled: the notional time when the event was enabled
+ * tstamp_running: the notional time when the event was scheduled on
* tstamp_stopped: in INACTIVE state, the notional time when the
- * counter was scheduled off.
+ * event was scheduled off.
*/
u64 tstamp_enabled;
u64 tstamp_running;
u64 tstamp_stopped;
- struct perf_counter_attr attr;
- struct hw_perf_counter hw;
+ struct perf_event_attr attr;
+ struct hw_perf_event hw;
- struct perf_counter_context *ctx;
+ struct perf_event_context *ctx;
struct file *filp;
/*
* These accumulate total time (in nanoseconds) that children
- * counters have been enabled and running, respectively.
+ * events have been enabled and running, respectively.
*/
atomic64_t child_total_time_enabled;
atomic64_t child_total_time_running;
@@ -598,7 +598,7 @@ struct perf_counter {
*/
struct mutex child_mutex;
struct list_head child_list;
- struct perf_counter *parent;
+ struct perf_event *parent;
int oncpu;
int cpu;
@@ -623,7 +623,7 @@ struct perf_counter {
atomic_t event_limit;
- void (*destroy)(struct perf_counter *);
+ void (*destroy)(struct perf_event *);
struct rcu_head rcu_head;
struct pid_namespace *ns;
@@ -632,18 +632,18 @@ struct perf_counter {
};
/**
- * struct perf_counter_context - counter context structure
+ * struct perf_event_context - event context structure
*
- * Used as a container for task counters and CPU counters as well:
+ * Used as a container for task events and CPU events as well:
*/
-struct perf_counter_context {
+struct perf_event_context {
/*
- * Protect the states of the counters in the list,
+ * Protect the states of the events in the list,
* nr_active, and the list:
*/
spinlock_t lock;
/*
- * Protect the list of counters. Locking either mutex or lock
+ * Protect the list of events. Locking either mutex or lock
* is sufficient to ensure the list doesn't change; to change
* the list you need to lock both the mutex and the spinlock.
*/
@@ -651,7 +651,7 @@ struct perf_counter_context {
struct list_head group_list;
struct list_head event_list;
- int nr_counters;
+ int nr_events;
int nr_active;
int is_active;
int nr_stat;
@@ -668,7 +668,7 @@ struct perf_counter_context {
* These fields let us detect when two contexts have both
* been cloned (inherited) from a common ancestor.
*/
- struct perf_counter_context *parent_ctx;
+ struct perf_event_context *parent_ctx;
u64 parent_gen;
u64 generation;
int pin_count;
@@ -676,11 +676,11 @@ struct perf_counter_context {
};
/**
- * struct perf_counter_cpu_context - per cpu counter context structure
+ * struct perf_event_cpu_context - per cpu event context structure
*/
struct perf_cpu_context {
- struct perf_counter_context ctx;
- struct perf_counter_context *task_ctx;
+ struct perf_event_context ctx;
+ struct perf_event_context *task_ctx;
int active_oncpu;
int max_pertask;
int exclusive;
@@ -694,7 +694,7 @@ struct perf_cpu_context {
};
struct perf_output_handle {
- struct perf_counter *counter;
+ struct perf_event *event;
struct perf_mmap_data *data;
unsigned long head;
unsigned long offset;
@@ -704,35 +704,35 @@ struct perf_output_handle {
unsigned long flags;
};
-#ifdef CONFIG_PERF_COUNTERS
+#ifdef CONFIG_PERF_EVENTS
/*
* Set by architecture code:
*/
-extern int perf_max_counters;
+extern int perf_max_events;
-extern const struct pmu *hw_perf_counter_init(struct perf_counter *counter);
+extern const struct pmu *hw_perf_event_init(struct perf_event *event);
-extern void perf_counter_task_sched_in(struct task_struct *task, int cpu);
-extern void perf_counter_task_sched_out(struct task_struct *task,
+extern void perf_event_task_sched_in(struct task_struct *task, int cpu);
+extern void perf_event_task_sched_out(struct task_struct *task,
struct task_struct *next, int cpu);
-extern void perf_counter_task_tick(struct task_struct *task, int cpu);
-extern int perf_counter_init_task(struct task_struct *child);
-extern void perf_counter_exit_task(struct task_struct *child);
-extern void perf_counter_free_task(struct task_struct *task);
-extern void set_perf_counter_pending(void);
-extern void perf_counter_do_pending(void);
-extern void perf_counter_print_debug(void);
+extern void perf_event_task_tick(struct task_struct *task, int cpu);
+extern int perf_event_init_task(struct task_struct *child);
+extern void perf_event_exit_task(struct task_struct *child);
+extern void perf_event_free_task(struct task_struct *task);
+extern void set_perf_event_pending(void);
+extern void perf_event_do_pending(void);
+extern void perf_event_print_debug(void);
extern void __perf_disable(void);
extern bool __perf_enable(void);
extern void perf_disable(void);
extern void perf_enable(void);
-extern int perf_counter_task_disable(void);
-extern int perf_counter_task_enable(void);
-extern int hw_perf_group_sched_in(struct perf_counter *group_leader,
+extern int perf_event_task_disable(void);
+extern int perf_event_task_enable(void);
+extern int hw_perf_group_sched_in(struct perf_event *group_leader,
struct perf_cpu_context *cpuctx,
- struct perf_counter_context *ctx, int cpu);
-extern void perf_counter_update_userpage(struct perf_counter *counter);
+ struct perf_event_context *ctx, int cpu);
+extern void perf_event_update_userpage(struct perf_event *event);
struct perf_sample_data {
u64 type;
@@ -758,96 +758,96 @@ struct perf_sample_data {
extern void perf_output_sample(struct perf_output_handle *handle,
struct perf_event_header *header,
struct perf_sample_data *data,
- struct perf_counter *counter);
+ struct perf_event *event);
extern void perf_prepare_sample(struct perf_event_header *header,
struct perf_sample_data *data,
- struct perf_counter *counter,
+ struct perf_event *event,
struct pt_regs *regs);
-extern int perf_counter_overflow(struct perf_counter *counter, int nmi,
+extern int perf_event_overflow(struct perf_event *event, int nmi,
struct perf_sample_data *data,
struct pt_regs *regs);
/*
- * Return 1 for a software counter, 0 for a hardware counter
+ * Return 1 for a software event, 0 for a hardware event
*/
-static inline int is_software_counter(struct perf_counter *counter)
+static inline int is_software_event(struct perf_event *event)
{
- return (counter->attr.type != PERF_TYPE_RAW) &&
- (counter->attr.type != PERF_TYPE_HARDWARE) &&
- (counter->attr.type != PERF_TYPE_HW_CACHE);
+ return (event->attr.type != PERF_TYPE_RAW) &&
+ (event->attr.type != PERF_TYPE_HARDWARE) &&
+ (event->attr.type != PERF_TYPE_HW_CACHE);
}
-extern atomic_t perf_swcounter_enabled[PERF_COUNT_SW_MAX];
+extern atomic_t perf_swevent_enabled[PERF_COUNT_SW_MAX];
-extern void __perf_swcounter_event(u32, u64, int, struct pt_regs *, u64);
+extern void __perf_sw_event(u32, u64, int, struct pt_regs *, u64);
static inline void
-perf_swcounter_event(u32 event, u64 nr, int nmi, struct pt_regs *regs, u64 addr)
+perf_sw_event(u32 event_id, u64 nr, int nmi, struct pt_regs *regs, u64 addr)
{
- if (atomic_read(&perf_swcounter_enabled[event]))
- __perf_swcounter_event(event, nr, nmi, regs, addr);
+ if (atomic_read(&perf_swevent_enabled[event_id]))
+ __perf_sw_event(event_id, nr, nmi, regs, addr);
}
-extern void __perf_counter_mmap(struct vm_area_struct *vma);
+extern void __perf_event_mmap(struct vm_area_struct *vma);
-static inline void perf_counter_mmap(struct vm_area_struct *vma)
+static inline void perf_event_mmap(struct vm_area_struct *vma)
{
if (vma->vm_flags & VM_EXEC)
- __perf_counter_mmap(vma);
+ __perf_event_mmap(vma);
}
-extern void perf_counter_comm(struct task_struct *tsk);
-extern void perf_counter_fork(struct task_struct *tsk);
+extern void perf_event_comm(struct task_struct *tsk);
+extern void perf_event_fork(struct task_struct *tsk);
extern struct perf_callchain_entry *perf_callchain(struct pt_regs *regs);
-extern int sysctl_perf_counter_paranoid;
-extern int sysctl_perf_counter_mlock;
-extern int sysctl_perf_counter_sample_rate;
+extern int sysctl_perf_event_paranoid;
+extern int sysctl_perf_event_mlock;
+extern int sysctl_perf_event_sample_rate;
-extern void perf_counter_init(void);
-extern void perf_tpcounter_event(int event_id, u64 addr, u64 count,
+extern void perf_event_init(void);
+extern void perf_tp_event(int event_id, u64 addr, u64 count,
void *record, int entry_size);
#ifndef perf_misc_flags
-#define perf_misc_flags(regs) (user_mode(regs) ? PERF_EVENT_MISC_USER : \
- PERF_EVENT_MISC_KERNEL)
+#define perf_misc_flags(regs) (user_mode(regs) ? PERF_RECORD_MISC_USER : \
+ PERF_RECORD_MISC_KERNEL)
#define perf_instruction_pointer(regs) instruction_pointer(regs)
#endif
extern int perf_output_begin(struct perf_output_handle *handle,
- struct perf_counter *counter, unsigned int size,
+ struct perf_event *event, unsigned int size,
int nmi, int sample);
extern void perf_output_end(struct perf_output_handle *handle);
extern void perf_output_copy(struct perf_output_handle *handle,
const void *buf, unsigned int len);
#else
static inline void
-perf_counter_task_sched_in(struct task_struct *task, int cpu) { }
+perf_event_task_sched_in(struct task_struct *task, int cpu) { }
static inline void
-perf_counter_task_sched_out(struct task_struct *task,
+perf_event_task_sched_out(struct task_struct *task,
struct task_struct *next, int cpu) { }
static inline void
-perf_counter_task_tick(struct task_struct *task, int cpu) { }
-static inline int perf_counter_init_task(struct task_struct *child) { return 0; }
-static inline void perf_counter_exit_task(struct task_struct *child) { }
-static inline void perf_counter_free_task(struct task_struct *task) { }
-static inline void perf_counter_do_pending(void) { }
-static inline void perf_counter_print_debug(void) { }
+perf_event_task_tick(struct task_struct *task, int cpu) { }
+static inline int perf_event_init_task(struct task_struct *child) { return 0; }
+static inline void perf_event_exit_task(struct task_struct *child) { }
+static inline void perf_event_free_task(struct task_struct *task) { }
+static inline void perf_event_do_pending(void) { }
+static inline void perf_event_print_debug(void) { }
static inline void perf_disable(void) { }
static inline void perf_enable(void) { }
-static inline int perf_counter_task_disable(void) { return -EINVAL; }
-static inline int perf_counter_task_enable(void) { return -EINVAL; }
+static inline int perf_event_task_disable(void) { return -EINVAL; }
+static inline int perf_event_task_enable(void) { return -EINVAL; }
static inline void
-perf_swcounter_event(u32 event, u64 nr, int nmi,
+perf_sw_event(u32 event_id, u64 nr, int nmi,
struct pt_regs *regs, u64 addr) { }
-static inline void perf_counter_mmap(struct vm_area_struct *vma) { }
-static inline void perf_counter_comm(struct task_struct *tsk) { }
-static inline void perf_counter_fork(struct task_struct *tsk) { }
-static inline void perf_counter_init(void) { }
+static inline void perf_event_mmap(struct vm_area_struct *vma) { }
+static inline void perf_event_comm(struct task_struct *tsk) { }
+static inline void perf_event_fork(struct task_struct *tsk) { }
+static inline void perf_event_init(void) { }
#endif
@@ -855,4 +855,4 @@ static inline void perf_counter_init(void) { }
perf_output_copy((handle), &(x), sizeof(x))
#endif /* __KERNEL__ */
-#endif /* _LINUX_PERF_COUNTER_H */
+#endif /* _LINUX_PERF_EVENT_H */
diff --git a/include/linux/prctl.h b/include/linux/prctl.h
index b00df4c79c6..07bff666e65 100644
--- a/include/linux/prctl.h
+++ b/include/linux/prctl.h
@@ -85,7 +85,7 @@
#define PR_SET_TIMERSLACK 29
#define PR_GET_TIMERSLACK 30
-#define PR_TASK_PERF_COUNTERS_DISABLE 31
-#define PR_TASK_PERF_COUNTERS_ENABLE 32
+#define PR_TASK_PERF_EVENTS_DISABLE 31
+#define PR_TASK_PERF_EVENTS_ENABLE 32
#endif /* _LINUX_PRCTL_H */
diff --git a/include/linux/sched.h b/include/linux/sched.h
index 8af3d249170..8b265a8986d 100644
--- a/include/linux/sched.h
+++ b/include/linux/sched.h
@@ -100,7 +100,7 @@ struct robust_list_head;
struct bio;
struct fs_struct;
struct bts_context;
-struct perf_counter_context;
+struct perf_event_context;
/*
* List of flags we want to share for kernel threads,
@@ -701,7 +701,7 @@ struct user_struct {
#endif
#endif
-#ifdef CONFIG_PERF_COUNTERS
+#ifdef CONFIG_PERF_EVENTS
atomic_long_t locked_vm;
#endif
};
@@ -1449,10 +1449,10 @@ struct task_struct {
struct list_head pi_state_list;
struct futex_pi_state *pi_state_cache;
#endif
-#ifdef CONFIG_PERF_COUNTERS
- struct perf_counter_context *perf_counter_ctxp;
- struct mutex perf_counter_mutex;
- struct list_head perf_counter_list;
+#ifdef CONFIG_PERF_EVENTS
+ struct perf_event_context *perf_event_ctxp;
+ struct mutex perf_event_mutex;
+ struct list_head perf_event_list;
#endif
#ifdef CONFIG_NUMA
struct mempolicy *mempolicy; /* Protected by alloc_lock */
diff --git a/include/linux/syscalls.h b/include/linux/syscalls.h
index a8e37821cc6..02f19f9a76c 100644
--- a/include/linux/syscalls.h
+++ b/include/linux/syscalls.h
@@ -55,7 +55,7 @@ struct compat_timeval;
struct robust_list_head;
struct getcpu_cache;
struct old_linux_dirent;
-struct perf_counter_attr;
+struct perf_event_attr;
#include <linux/types.h>
#include <linux/aio_abi.h>
@@ -885,7 +885,7 @@ asmlinkage long sys_ppoll(struct pollfd __user *, unsigned int,
int kernel_execve(const char *filename, char *const argv[], char *const envp[]);
-asmlinkage long sys_perf_counter_open(
- struct perf_counter_attr __user *attr_uptr,
+asmlinkage long sys_perf_event_open(
+ struct perf_event_attr __user *attr_uptr,
pid_t pid, int cpu, int group_fd, unsigned long flags);
#endif
diff --git a/include/trace/ftrace.h b/include/trace/ftrace.h
index 72a3b437b82..ec91e78244f 100644
--- a/include/trace/ftrace.h
+++ b/include/trace/ftrace.h
@@ -378,7 +378,7 @@ static inline int ftrace_get_offsets_##call( \
#ifdef CONFIG_EVENT_PROFILE
/*
- * Generate the functions needed for tracepoint perf_counter support.
+ * Generate the functions needed for tracepoint perf_event support.
*
* NOTE: The insertion profile callback (ftrace_profile_<call>) is defined later
*
@@ -656,7 +656,7 @@ __attribute__((section("_ftrace_events"))) event_##call = { \
* {
* struct ftrace_data_offsets_<call> __maybe_unused __data_offsets;
* struct ftrace_event_call *event_call = &event_<call>;
- * extern void perf_tpcounter_event(int, u64, u64, void *, int);
+ * extern void perf_tp_event(int, u64, u64, void *, int);
* struct ftrace_raw_##call *entry;
* u64 __addr = 0, __count = 1;
* unsigned long irq_flags;
@@ -691,7 +691,7 @@ __attribute__((section("_ftrace_events"))) event_##call = { \
*
* <assign> <- affect our values
*
- * perf_tpcounter_event(event_call->id, __addr, __count, entry,
+ * perf_tp_event(event_call->id, __addr, __count, entry,
* __entry_size); <- submit them to perf counter
* } while (0);
*
@@ -712,7 +712,7 @@ static void ftrace_profile_##call(proto) \
{ \
struct ftrace_data_offsets_##call __maybe_unused __data_offsets;\
struct ftrace_event_call *event_call = &event_##call; \
- extern void perf_tpcounter_event(int, u64, u64, void *, int); \
+ extern void perf_tp_event(int, u64, u64, void *, int); \
struct ftrace_raw_##call *entry; \
u64 __addr = 0, __count = 1; \
unsigned long irq_flags; \
@@ -742,7 +742,7 @@ static void ftrace_profile_##call(proto) \
\
{ assign; } \
\
- perf_tpcounter_event(event_call->id, __addr, __count, entry,\
+ perf_tp_event(event_call->id, __addr, __count, entry,\
__entry_size); \
} while (0); \
\
diff --git a/init/Kconfig b/init/Kconfig
index 8e8b76d8a27..cfdf5c32280 100644
--- a/init/Kconfig
+++ b/init/Kconfig
@@ -915,17 +915,17 @@ config AIO
by some high performance threaded applications. Disabling
this option saves about 7k.
-config HAVE_PERF_COUNTERS
+config HAVE_PERF_EVENTS
bool
help
See tools/perf/design.txt for details.
menu "Performance Counters"
-config PERF_COUNTERS
+config PERF_EVENTS
bool "Kernel Performance Counters"
default y if PROFILING
- depends on HAVE_PERF_COUNTERS
+ depends on HAVE_PERF_EVENTS
select ANON_INODES
help
Enable kernel support for performance counter hardware.
@@ -947,7 +947,7 @@ config PERF_COUNTERS
config EVENT_PROFILE
bool "Tracepoint profiling sources"
- depends on PERF_COUNTERS && EVENT_TRACING
+ depends on PERF_EVENTS && EVENT_TRACING
default y
help
Allow the use of tracepoints as software performance counters.
diff --git a/kernel/Makefile b/kernel/Makefile
index 3d9c7e27e3f..e26a546eac4 100644
--- a/kernel/Makefile
+++ b/kernel/Makefile
@@ -96,7 +96,7 @@ obj-$(CONFIG_X86_DS) += trace/
obj-$(CONFIG_RING_BUFFER) += trace/
obj-$(CONFIG_SMP) += sched_cpupri.o
obj-$(CONFIG_SLOW_WORK) += slow-work.o
-obj-$(CONFIG_PERF_COUNTERS) += perf_counter.o
+obj-$(CONFIG_PERF_EVENTS) += perf_event.o
ifneq ($(CONFIG_SCHED_OMIT_FRAME_POINTER),y)
# According to Alan Modra <alan@linuxcare.com.au>, the -fno-omit-frame-pointer is
diff --git a/kernel/exit.c b/kernel/exit.c
index ae5d8660ddf..e47ee8a0613 100644
--- a/kernel/exit.c
+++ b/kernel/exit.c
@@ -47,7 +47,7 @@
#include <linux/tracehook.h>
#include <linux/fs_struct.h>
#include <linux/init_task.h>
-#include <linux/perf_counter.h>
+#include <linux/perf_event.h>
#include <trace/events/sched.h>
#include <asm/uaccess.h>
@@ -154,8 +154,8 @@ static void delayed_put_task_struct(struct rcu_head *rhp)
{
struct task_struct *tsk = container_of(rhp, struct task_struct, rcu);
-#ifdef CONFIG_PERF_COUNTERS
- WARN_ON_ONCE(tsk->perf_counter_ctxp);
+#ifdef CONFIG_PERF_EVENTS
+ WARN_ON_ONCE(tsk->perf_event_ctxp);
#endif
trace_sched_process_free(tsk);
put_task_struct(tsk);
@@ -981,7 +981,7 @@ NORET_TYPE void do_exit(long code)
* Flush inherited counters to the parent - before the parent
* gets woken up by child-exit notifications.
*/
- perf_counter_exit_task(tsk);
+ perf_event_exit_task(tsk);
exit_notify(tsk, group_dead);
#ifdef CONFIG_NUMA
diff --git a/kernel/fork.c b/kernel/fork.c
index bfee931ee3f..2cebfb23b0b 100644
--- a/kernel/fork.c
+++ b/kernel/fork.c
@@ -61,7 +61,7 @@
#include <linux/blkdev.h>
#include <linux/fs_struct.h>
#include <linux/magic.h>
-#include <linux/perf_counter.h>
+#include <linux/perf_event.h>
#include <asm/pgtable.h>
#include <asm/pgalloc.h>
@@ -1078,7 +1078,7 @@ static struct task_struct *copy_process(unsigned long clone_flags,
/* Perform scheduler related setup. Assign this task to a CPU. */
sched_fork(p, clone_flags);
- retval = perf_counter_init_task(p);
+ retval = perf_event_init_task(p);
if (retval)
goto bad_fork_cleanup_policy;
@@ -1253,7 +1253,7 @@ static struct task_struct *copy_process(unsigned long clone_flags,
write_unlock_irq(&tasklist_lock);
proc_fork_connector(p);
cgroup_post_fork(p);
- perf_counter_fork(p);
+ perf_event_fork(p);
return p;
bad_fork_free_pid:
@@ -1280,7 +1280,7 @@ bad_fork_cleanup_semundo:
bad_fork_cleanup_audit:
audit_free(p);
bad_fork_cleanup_policy:
- perf_counter_free_task(p);
+ perf_event_free_task(p);
#ifdef CONFIG_NUMA
mpol_put(p->mempolicy);
bad_fork_cleanup_cgroup:
diff --git a/kernel/perf_counter.c b/kernel/perf_event.c
index 62de0db8092..6e8b99a04e1 100644
--- a/kernel/perf_counter.c
+++ b/kernel/perf_event.c
@@ -1,5 +1,5 @@
/*
- * Performance counter core code
+ * Performance event core code
*
* Copyright (C) 2008 Thomas Gleixner <tglx@linutronix.de>
* Copyright (C) 2008-2009 Red Hat, Inc., Ingo Molnar
@@ -26,66 +26,66 @@
#include <linux/syscalls.h>
#include <linux/anon_inodes.h>
#include <linux/kernel_stat.h>
-#include <linux/perf_counter.h>
+#include <linux/perf_event.h>
#include <asm/irq_regs.h>
/*
- * Each CPU has a list of per CPU counters:
+ * Each CPU has a list of per CPU events:
*/
DEFINE_PER_CPU(struct perf_cpu_context, perf_cpu_context);
-int perf_max_counters __read_mostly = 1;
+int perf_max_events __read_mostly = 1;
static int perf_reserved_percpu __read_mostly;
static int perf_overcommit __read_mostly = 1;
-static atomic_t nr_counters __read_mostly;
-static atomic_t nr_mmap_counters __read_mostly;
-static atomic_t nr_comm_counters __read_mostly;
-static atomic_t nr_task_counters __read_mostly;
+static atomic_t nr_events __read_mostly;
+static atomic_t nr_mmap_events __read_mostly;
+static atomic_t nr_comm_events __read_mostly;
+static atomic_t nr_task_events __read_mostly;
/*
- * perf counter paranoia level:
+ * perf event paranoia level:
* -1 - not paranoid at all
* 0 - disallow raw tracepoint access for unpriv
- * 1 - disallow cpu counters for unpriv
+ * 1 - disallow cpu events for unpriv
* 2 - disallow kernel profiling for unpriv
*/
-int sysctl_perf_counter_paranoid __read_mostly = 1;
+int sysctl_perf_event_paranoid __read_mostly = 1;
static inline bool perf_paranoid_tracepoint_raw(void)
{
- return sysctl_perf_counter_paranoid > -1;
+ return sysctl_perf_event_paranoid > -1;
}
static inline bool perf_paranoid_cpu(void)
{
- return sysctl_perf_counter_paranoid > 0;
+ return sysctl_perf_event_paranoid > 0;
}
static inline bool perf_paranoid_kernel(void)
{
- return sysctl_perf_counter_paranoid > 1;
+ return sysctl_perf_event_paranoid > 1;
}
-int sysctl_perf_counter_mlock __read_mostly = 512; /* 'free' kb per user */
+int sysctl_perf_event_mlock __read_mostly = 512; /* 'free' kb per user */
/*
- * max perf counter sample rate
+ * max perf event sample rate
*/
-int sysctl_perf_counter_sample_rate __read_mostly = 100000;
+int sysctl_perf_event_sample_rate __read_mostly = 100000;
-static atomic64_t perf_counter_id;
+static atomic64_t perf_event_id;
/*
- * Lock for (sysadmin-configurable) counter reservations:
+ * Lock for (sysadmin-configurable) event reservations:
*/
static DEFINE_SPINLOCK(perf_resource_lock);
/*
* Architecture provided APIs - weak aliases:
*/
-extern __weak const struct pmu *hw_perf_counter_init(struct perf_counter *counter)
+extern __weak const struct pmu *hw_perf_event_init(struct perf_event *event)
{
return NULL;
}
@@ -93,18 +93,18 @@ extern __weak const struct pmu *hw_perf_counter_init(struct perf_counter *counte
void __weak hw_perf_disable(void) { barrier(); }
void __weak hw_perf_enable(void) { barrier(); }
-void __weak hw_perf_counter_setup(int cpu) { barrier(); }
-void __weak hw_perf_counter_setup_online(int cpu) { barrier(); }
+void __weak hw_perf_event_setup(int cpu) { barrier(); }
+void __weak hw_perf_event_setup_online(int cpu) { barrier(); }
int __weak
-hw_perf_group_sched_in(struct perf_counter *group_leader,
+hw_perf_group_sched_in(struct perf_event *group_leader,
struct perf_cpu_context *cpuctx,
- struct perf_counter_context *ctx, int cpu)
+ struct perf_event_context *ctx, int cpu)
{
return 0;
}
-void __weak perf_counter_print_debug(void) { }
+void __weak perf_event_print_debug(void) { }
static DEFINE_PER_CPU(int, perf_disable_count);
@@ -130,20 +130,20 @@ void perf_enable(void)
hw_perf_enable();
}
-static void get_ctx(struct perf_counter_context *ctx)
+static void get_ctx(struct perf_event_context *ctx)
{
WARN_ON(!atomic_inc_not_zero(&ctx->refcount));
}
static void free_ctx(struct rcu_head *head)
{
- struct perf_counter_context *ctx;
+ struct perf_event_context *ctx;
- ctx = container_of(head, struct perf_counter_context, rcu_head);
+ ctx = container_of(head, struct perf_event_context, rcu_head);
kfree(ctx);
}
-static void put_ctx(struct perf_counter_context *ctx)
+static void put_ctx(struct perf_event_context *ctx)
{
if (atomic_dec_and_test(&ctx->refcount)) {
if (ctx->parent_ctx)
@@ -154,7 +154,7 @@ static void put_ctx(struct perf_counter_context *ctx)
}
}
-static void unclone_ctx(struct perf_counter_context *ctx)
+static void unclone_ctx(struct perf_event_context *ctx)
{
if (ctx->parent_ctx) {
put_ctx(ctx->parent_ctx);
@@ -163,37 +163,37 @@ static void unclone_ctx(struct perf_counter_context *ctx)
}
/*
- * If we inherit counters we want to return the parent counter id
+ * If we inherit events we want to return the parent event id
* to userspace.
*/
-static u64 primary_counter_id(struct perf_counter *counter)
+static u64 primary_event_id(struct perf_event *event)
{
- u64 id = counter->id;
+ u64 id = event->id;
- if (counter->parent)
- id = counter->parent->id;
+ if (event->parent)
+ id = event->parent->id;
return id;
}
/*
- * Get the perf_counter_context for a task and lock it.
+ * Get the perf_event_context for a task and lock it.
* This has to cope with with the fact that until it is locked,
* the context could get moved to another task.
*/
-static struct perf_counter_context *
+static struct perf_event_context *
perf_lock_task_context(struct task_struct *task, unsigned long *flags)
{
- struct perf_counter_context *ctx;
+ struct perf_event_context *ctx;
rcu_read_lock();
retry:
- ctx = rcu_dereference(task->perf_counter_ctxp);
+ ctx = rcu_dereference(task->perf_event_ctxp);
if (ctx) {
/*
* If this context is a clone of another, it might
* get swapped for another underneath us by
- * perf_counter_task_sched_out, though the
+ * perf_event_task_sched_out, though the
* rcu_read_lock() protects us from any context
* getting freed. Lock the context and check if it
* got swapped before we could get the lock, and retry
@@ -201,7 +201,7 @@ perf_lock_task_context(struct task_struct *task, unsigned long *flags)
* can't get swapped on us any more.
*/
spin_lock_irqsave(&ctx->lock, *flags);
- if (ctx != rcu_dereference(task->perf_counter_ctxp)) {
+ if (ctx != rcu_dereference(task->perf_event_ctxp)) {
spin_unlock_irqrestore(&ctx->lock, *flags);
goto retry;
}
@@ -220,9 +220,9 @@ perf_lock_task_context(struct task_struct *task, unsigned long *flags)
* can't get swapped to another task. This also increments its
* reference count so that the context can't get freed.
*/
-static struct perf_counter_context *perf_pin_task_context(struct task_struct *task)
+static struct perf_event_context *perf_pin_task_context(struct task_struct *task)
{
- struct perf_counter_context *ctx;
+ struct perf_event_context *ctx;
unsigned long flags;
ctx = perf_lock_task_context(task, &flags);
@@ -233,7 +233,7 @@ static struct perf_counter_context *perf_pin_task_context(struct task_struct *ta
return ctx;
}
-static void perf_unpin_context(struct perf_counter_context *ctx)
+static void perf_unpin_context(struct perf_event_context *ctx)
{
unsigned long flags;
@@ -244,59 +244,59 @@ static void perf_unpin_context(struct perf_counter_context *ctx)
}
/*
- * Add a counter from the lists for its context.
+ * Add a event from the lists for its context.
* Must be called with ctx->mutex and ctx->lock held.
*/
static void
-list_add_counter(struct perf_counter *counter, struct perf_counter_context *ctx)
+list_add_event(struct perf_event *event, struct perf_event_context *ctx)
{
- struct perf_counter *group_leader = counter->group_leader;
+ struct perf_event *group_leader = event->group_leader;
/*
- * Depending on whether it is a standalone or sibling counter,
- * add it straight to the context's counter list, or to the group
+ * Depending on whether it is a standalone or sibling event,
+ * add it straight to the context's event list, or to the group
* leader's sibling list:
*/
- if (group_leader == counter)
- list_add_tail(&counter->group_entry, &ctx->group_list);
+ if (group_leader == event)
+ list_add_tail(&event->group_entry, &ctx->group_list);
else {
- list_add_tail(&counter->group_entry, &group_leader->sibling_list);
+ list_add_tail(&event->group_entry, &group_leader->sibling_list);
group_leader->nr_siblings++;
}
- list_add_rcu(&counter->event_entry, &ctx->event_list);
- ctx->nr_counters++;
- if (counter->attr.inherit_stat)
+ list_add_rcu(&event->event_entry, &ctx->event_list);
+ ctx->nr_events++;
+ if (event->attr.inherit_stat)
ctx->nr_stat++;
}
/*
- * Remove a counter from the lists for its context.
+ * Remove a event from the lists for its context.
* Must be called with ctx->mutex and ctx->lock held.
*/
static void
-list_del_counter(struct perf_counter *counter, struct perf_counter_context *ctx)
+list_del_event(struct perf_event *event, struct perf_event_context *ctx)
{
- struct perf_counter *sibling, *tmp;
+ struct perf_event *sibling, *tmp;
- if (list_empty(&counter->group_entry))
+ if (list_empty(&event->group_entry))
return;
- ctx->nr_counters--;
- if (counter->attr.inherit_stat)
+ ctx->nr_events--;
+ if (event->attr.inherit_stat)
ctx->nr_stat--;
- list_del_init(&counter->group_entry);
- list_del_rcu(&counter->event_entry);
+ list_del_init(&event->group_entry);
+ list_del_rcu(&event->event_entry);
- if (counter->group_leader != counter)
- counter->group_leader->nr_siblings--;
+ if (event->group_leader != event)
+ event->group_leader->nr_siblings--;
/*
- * If this was a group counter with sibling counters then
- * upgrade the siblings to singleton counters by adding them
+ * If this was a group event with sibling events then
+ * upgrade the siblings to singleton events by adding them
* to the context list directly:
*/
- list_for_each_entry_safe(sibling, tmp, &counter->sibling_list, group_entry) {
+ list_for_each_entry_safe(sibling, tmp, &event->sibling_list, group_entry) {
list_move_tail(&sibling->group_entry, &ctx->group_list);
sibling->group_leader = sibling;
@@ -304,62 +304,62 @@ list_del_counter(struct perf_counter *counter, struct perf_counter_context *ctx)
}
static void
-counter_sched_out(struct perf_counter *counter,
+event_sched_out(struct perf_event *event,
struct perf_cpu_context *cpuctx,
- struct perf_counter_context *ctx)
+ struct perf_event_context *ctx)
{
- if (counter->state != PERF_COUNTER_STATE_ACTIVE)
+ if (event->state != PERF_EVENT_STATE_ACTIVE)
return;
- counter->state = PERF_COUNTER_STATE_INACTIVE;
- if (counter->pending_disable) {
- counter->pending_disable = 0;
- counter->state = PERF_COUNTER_STATE_OFF;
+ event->state = PERF_EVENT_STATE_INACTIVE;
+ if (event->pending_disable) {
+ event->pending_disable = 0;
+ event->state = PERF_EVENT_STATE_OFF;
}
- counter->tstamp_stopped = ctx->time;
- counter->pmu->disable(counter);
- counter->oncpu = -1;
+ event->tstamp_stopped = ctx->time;
+ event->pmu->disable(event);
+ event->oncpu = -1;
- if (!is_software_counter(counter))
+ if (!is_software_event(event))
cpuctx->active_oncpu--;
ctx->nr_active--;
- if (counter->attr.exclusive || !cpuctx->active_oncpu)
+ if (event->attr.exclusive || !cpuctx->active_oncpu)
cpuctx->exclusive = 0;
}
static void
-group_sched_out(struct perf_counter *group_counter,
+group_sched_out(struct perf_event *group_event,
struct perf_cpu_context *cpuctx,
- struct perf_counter_context *ctx)
+ struct perf_event_context *ctx)
{
- struct perf_counter *counter;
+ struct perf_event *event;
- if (group_counter->state != PERF_COUNTER_STATE_ACTIVE)
+ if (group_event->state != PERF_EVENT_STATE_ACTIVE)
return;
- counter_sched_out(group_counter, cpuctx, ctx);
+ event_sched_out(group_event, cpuctx, ctx);
/*
* Schedule out siblings (if any):
*/
- list_for_each_entry(counter, &group_counter->sibling_list, group_entry)
- counter_sched_out(counter, cpuctx, ctx);
+ list_for_each_entry(event, &group_event->sibling_list, group_entry)
+ event_sched_out(event, cpuctx, ctx);
- if (group_counter->attr.exclusive)
+ if (group_event->attr.exclusive)
cpuctx->exclusive = 0;
}
/*
- * Cross CPU call to remove a performance counter
+ * Cross CPU call to remove a performance event
*
- * We disable the counter on the hardware level first. After that we
+ * We disable the event on the hardware level first. After that we
* remove it from the context list.
*/
-static void __perf_counter_remove_from_context(void *info)
+static void __perf_event_remove_from_context(void *info)
{
struct perf_cpu_context *cpuctx = &__get_cpu_var(perf_cpu_context);
- struct perf_counter *counter = info;
- struct perf_counter_context *ctx = counter->ctx;
+ struct perf_event *event = info;
+ struct perf_event_context *ctx = event->ctx;
/*
* If this is a task context, we need to check whether it is
@@ -372,22 +372,22 @@ static void __perf_counter_remove_from_context(void *info)
spin_lock(&ctx->lock);
/*
* Protect the list operation against NMI by disabling the
- * counters on a global level.
+ * events on a global level.
*/
perf_disable();
- counter_sched_out(counter, cpuctx, ctx);
+ event_sched_out(event, cpuctx, ctx);
- list_del_counter(counter, ctx);
+ list_del_event(event, ctx);
if (!ctx->task) {
/*
- * Allow more per task counters with respect to the
+ * Allow more per task events with respect to the
* reservation:
*/
cpuctx->max_pertask =
- min(perf_max_counters - ctx->nr_counters,
- perf_max_counters - perf_reserved_percpu);
+ min(perf_max_events - ctx->nr_events,
+ perf_max_events - perf_reserved_percpu);
}
perf_enable();
@@ -396,56 +396,56 @@ static void __perf_counter_remove_from_context(void *info)
/*
- * Remove the counter from a task's (or a CPU's) list of counters.
+ * Remove the event from a task's (or a CPU's) list of events.
*
* Must be called with ctx->mutex held.
*
- * CPU counters are removed with a smp call. For task counters we only
+ * CPU events are removed with a smp call. For task events we only
* call when the task is on a CPU.
*
- * If counter->ctx is a cloned context, callers must make sure that
- * every task struct that counter->ctx->task could possibly point to
+ * If event->ctx is a cloned context, callers must make sure that
+ * every task struct that event->ctx->task could possibly point to
* remains valid. This is OK when called from perf_release since
* that only calls us on the top-level context, which can't be a clone.
- * When called from perf_counter_exit_task, it's OK because the
+ * When called from perf_event_exit_task, it's OK because the
* context has been detached from its task.
*/
-static void perf_counter_remove_from_context(struct perf_counter *counter)
+static void perf_event_remove_from_context(struct perf_event *event)
{
- struct perf_counter_context *ctx = counter->ctx;
+ struct perf_event_context *ctx = event->ctx;
struct task_struct *task = ctx->task;
if (!task) {
/*
- * Per cpu counters are removed via an smp call and
+ * Per cpu events are removed via an smp call and
* the removal is always sucessful.
*/
- smp_call_function_single(counter->cpu,
- __perf_counter_remove_from_context,
- counter, 1);
+ smp_call_function_single(event->cpu,
+ __perf_event_remove_from_context,
+ event, 1);
return;
}
retry:
- task_oncpu_function_call(task, __perf_counter_remove_from_context,
- counter);
+ task_oncpu_function_call(task, __perf_event_remove_from_context,
+ event);
spin_lock_irq(&ctx->lock);
/*
* If the context is active we need to retry the smp call.
*/
- if (ctx->nr_active && !list_empty(&counter->group_entry)) {
+ if (ctx->nr_active && !list_empty(&event->group_entry)) {
spin_unlock_irq(&ctx->lock);
goto retry;
}
/*
* The lock prevents that this context is scheduled in so we
- * can remove the counter safely, if the call above did not
+ * can remove the event safely, if the call above did not
* succeed.
*/
- if (!list_empty(&counter->group_entry)) {
- list_del_counter(counter, ctx);
+ if (!list_empty(&event->group_entry)) {
+ list_del_event(event, ctx);
}
spin_unlock_irq(&ctx->lock);
}
@@ -458,7 +458,7 @@ static inline u64 perf_clock(void)
/*
* Update the record of the current time in a context.
*/
-static void update_context_time(struct perf_counter_context *ctx)
+static void update_context_time(struct perf_event_context *ctx)
{
u64 now = perf_clock();
@@ -467,51 +467,51 @@ static void update_context_time(struct perf_counter_context *ctx)
}
/*
- * Update the total_time_enabled and total_time_running fields for a counter.
+ * Update the total_time_enabled and total_time_running fields for a event.
*/
-static void update_counter_times(struct perf_counter *counter)
+static void update_event_times(struct perf_event *event)
{
- struct perf_counter_context *ctx = counter->ctx;
+ struct perf_event_context *ctx = event->ctx;
u64 run_end;
- if (counter->state < PERF_COUNTER_STATE_INACTIVE ||
- counter->group_leader->state < PERF_COUNTER_STATE_INACTIVE)
+ if (event->state < PERF_EVENT_STATE_INACTIVE ||
+ event->group_leader->state < PERF_EVENT_STATE_INACTIVE)
return;
- counter->total_time_enabled = ctx->time - counter->tstamp_enabled;
+ event->total_time_enabled = ctx->time - event->tstamp_enabled;
- if (counter->state == PERF_COUNTER_STATE_INACTIVE)
- run_end = counter->tstamp_stopped;
+ if (event->state == PERF_EVENT_STATE_INACTIVE)
+ run_end = event->tstamp_stopped;
else
run_end = ctx->time;
- counter->total_time_running = run_end - counter->tstamp_running;
+ event->total_time_running = run_end - event->tstamp_running;
}
/*
- * Update total_time_enabled and total_time_running for all counters in a group.
+ * Update total_time_enabled and total_time_running for all events in a group.
*/
-static void update_group_times(struct perf_counter *leader)
+static void update_group_times(struct perf_event *leader)
{
- struct perf_counter *counter;
+ struct perf_event *event;
- update_counter_times(leader);
- list_for_each_entry(counter, &leader->sibling_list, group_entry)
- update_counter_times(counter);
+ update_event_times(leader);
+ list_for_each_entry(event, &leader->sibling_list, group_entry)
+ update_event_times(event);
}
/*
- * Cross CPU call to disable a performance counter
+ * Cross CPU call to disable a performance event
*/
-static void __perf_counter_disable(void *info)
+static void __perf_event_disable(void *info)
{
- struct perf_counter *counter = info;
+ struct perf_event *event = info;
struct perf_cpu_context *cpuctx = &__get_cpu_var(perf_cpu_context);
- struct perf_counter_context *ctx = counter->ctx;
+ struct perf_event_context *ctx = event->ctx;
/*
- * If this is a per-task counter, need to check whether this
- * counter's task is the current task on this cpu.
+ * If this is a per-task event, need to check whether this
+ * event's task is the current task on this cpu.
*/
if (ctx->task && cpuctx->task_ctx != ctx)
return;
@@ -519,57 +519,57 @@ static void __perf_counter_disable(void *info)
spin_lock(&ctx->lock);
/*
- * If the counter is on, turn it off.
+ * If the event is on, turn it off.
* If it is in error state, leave it in error state.
*/
- if (counter->state >= PERF_COUNTER_STATE_INACTIVE) {
+ if (event->state >= PERF_EVENT_STATE_INACTIVE) {
update_context_time(ctx);
- update_group_times(counter);
- if (counter == counter->group_leader)
- group_sched_out(counter, cpuctx, ctx);
+ update_group_times(event);
+ if (event == event->group_leader)
+ group_sched_out(event, cpuctx, ctx);
else
- counter_sched_out(counter, cpuctx, ctx);
- counter->state = PERF_COUNTER_STATE_OFF;
+ event_sched_out(event, cpuctx, ctx);
+ event->state = PERF_EVENT_STATE_OFF;
}
spin_unlock(&ctx->lock);
}
/*
- * Disable a counter.
+ * Disable a event.
*
- * If counter->ctx is a cloned context, callers must make sure that
- * every task struct that counter->ctx->task could possibly point to
+ * If event->ctx is a cloned context, callers must make sure that
+ * every task struct that event->ctx->task could possibly point to
* remains valid. This condition is satisifed when called through
- * perf_counter_for_each_child or perf_counter_for_each because they
- * hold the top-level counter's child_mutex, so any descendant that
- * goes to exit will block in sync_child_counter.
- * When called from perf_pending_counter it's OK because counter->ctx
+ * perf_event_for_each_child or perf_event_for_each because they
+ * hold the top-level event's child_mutex, so any descendant that
+ * goes to exit will block in sync_child_event.
+ * When called from perf_pending_event it's OK because event->ctx
* is the current context on this CPU and preemption is disabled,
- * hence we can't get into perf_counter_task_sched_out for this context.
+ * hence we can't get into perf_event_task_sched_out for this context.
*/
-static void perf_counter_disable(struct perf_counter *counter)
+static void perf_event_disable(struct perf_event *event)
{
- struct perf_counter_context *ctx = counter->ctx;
+ struct perf_event_context *ctx = event->ctx;
struct task_struct *task = ctx->task;
if (!task) {
/*
- * Disable the counter on the cpu that it's on
+ * Disable the event on the cpu that it's on
*/
- smp_call_function_single(counter->cpu, __perf_counter_disable,
- counter, 1);
+ smp_call_function_single(event->cpu, __perf_event_disable,
+ event, 1);
return;
}
retry:
- task_oncpu_function_call(task, __perf_counter_disable, counter);
+ task_oncpu_function_call(task, __perf_event_disable, event);
spin_lock_irq(&ctx->lock);
/*
- * If the counter is still active, we need to retry the cross-call.
+ * If the event is still active, we need to retry the cross-call.
*/
- if (counter->state == PERF_COUNTER_STATE_ACTIVE) {
+ if (event->state == PERF_EVENT_STATE_ACTIVE) {
spin_unlock_irq(&ctx->lock);
goto retry;
}
@@ -578,73 +578,73 @@ static void perf_counter_disable(struct perf_counter *counter)
* Since we have the lock this context can't be scheduled
* in, so we can change the state safely.
*/
- if (counter->state == PERF_COUNTER_STATE_INACTIVE) {
- update_group_times(counter);
- counter->state = PERF_COUNTER_STATE_OFF;
+ if (event->state == PERF_EVENT_STATE_INACTIVE) {
+ update_group_times(event);
+ event->state = PERF_EVENT_STATE_OFF;
}
spin_unlock_irq(&ctx->lock);
}
static int
-counter_sched_in(struct perf_counter *counter,
+event_sched_in(struct perf_event *event,
struct perf_cpu_context *cpuctx,
- struct perf_counter_context *ctx,
+ struct perf_event_context *ctx,
int cpu)
{
- if (counter->state <= PERF_COUNTER_STATE_OFF)
+ if (event->state <= PERF_EVENT_STATE_OFF)
return 0;
- counter->state = PERF_COUNTER_STATE_ACTIVE;
- counter->oncpu = cpu; /* TODO: put 'cpu' into cpuctx->cpu */
+ event->state = PERF_EVENT_STATE_ACTIVE;
+ event->oncpu = cpu; /* TODO: put 'cpu' into cpuctx->cpu */
/*
* The new state must be visible before we turn it on in the hardware:
*/
smp_wmb();
- if (counter->pmu->enable(counter)) {
- counter->state = PERF_COUNTER_STATE_INACTIVE;
- counter->oncpu = -1;
+ if (event->pmu->enable(event)) {
+ event->state = PERF_EVENT_STATE_INACTIVE;
+ event->oncpu = -1;
return -EAGAIN;
}
- counter->tstamp_running += ctx->time - counter->tstamp_stopped;
+ event->tstamp_running += ctx->time - event->tstamp_stopped;
- if (!is_software_counter(counter))
+ if (!is_software_event(event))
cpuctx->active_oncpu++;
ctx->nr_active++;
- if (counter->attr.exclusive)
+ if (event->attr.exclusive)
cpuctx->exclusive = 1;
return 0;
}
static int
-group_sched_in(struct perf_counter *group_counter,
+group_sched_in(struct perf_event *group_event,
struct perf_cpu_context *cpuctx,
- struct perf_counter_context *ctx,
+ struct perf_event_context *ctx,
int cpu)
{
- struct perf_counter *counter, *partial_group;
+ struct perf_event *event, *partial_group;
int ret;
- if (group_counter->state == PERF_COUNTER_STATE_OFF)
+ if (group_event->state == PERF_EVENT_STATE_OFF)
return 0;
- ret = hw_perf_group_sched_in(group_counter, cpuctx, ctx, cpu);
+ ret = hw_perf_group_sched_in(group_event, cpuctx, ctx, cpu);
if (ret)
return ret < 0 ? ret : 0;
- if (counter_sched_in(group_counter, cpuctx, ctx, cpu))
+ if (event_sched_in(group_event, cpuctx, ctx, cpu))
return -EAGAIN;
/*
* Schedule in siblings as one group (if any):
*/
- list_for_each_entry(counter, &group_counter->sibling_list, group_entry) {
- if (counter_sched_in(counter, cpuctx, ctx, cpu)) {
- partial_group = counter;
+ list_for_each_entry(event, &group_event->sibling_list, group_entry) {
+ if (event_sched_in(event, cpuctx, ctx, cpu)) {
+ partial_group = event;
goto group_error;
}
}
@@ -656,57 +656,57 @@ group_error:
* Groups can be scheduled in as one unit only, so undo any
* partial group before returning:
*/
- list_for_each_entry(counter, &group_counter->sibling_list, group_entry) {
- if (counter == partial_group)
+ list_for_each_entry(event, &group_event->sibling_list, group_entry) {
+ if (event == partial_group)
break;
- counter_sched_out(counter, cpuctx, ctx);
+ event_sched_out(event, cpuctx, ctx);
}
- counter_sched_out(group_counter, cpuctx, ctx);
+ event_sched_out(group_event, cpuctx, ctx);
return -EAGAIN;
}
/*
- * Return 1 for a group consisting entirely of software counters,
- * 0 if the group contains any hardware counters.
+ * Return 1 for a group consisting entirely of software events,
+ * 0 if the group contains any hardware events.
*/
-static int is_software_only_group(struct perf_counter *leader)
+static int is_software_only_group(struct perf_event *leader)
{
- struct perf_counter *counter;
+ struct perf_event *event;
- if (!is_software_counter(leader))
+ if (!is_software_event(leader))
return 0;
- list_for_each_entry(counter, &leader->sibling_list, group_entry)
- if (!is_software_counter(counter))
+ list_for_each_entry(event, &leader->sibling_list, group_entry)
+ if (!is_software_event(event))
return 0;
return 1;
}
/*
- * Work out whether we can put this counter group on the CPU now.
+ * Work out whether we can put this event group on the CPU now.
*/
-static int group_can_go_on(struct perf_counter *counter,
+static int group_can_go_on(struct perf_event *event,
struct perf_cpu_context *cpuctx,
int can_add_hw)
{
/*
- * Groups consisting entirely of software counters can always go on.
+ * Groups consisting entirely of software events can always go on.
*/
- if (is_software_only_group(counter))
+ if (is_software_only_group(event))
return 1;
/*
* If an exclusive group is already on, no other hardware
- * counters can go on.
+ * events can go on.
*/
if (cpuctx->exclusive)
return 0;
/*
* If this group is exclusive and there are already
- * counters on the CPU, it can't go on.
+ * events on the CPU, it can't go on.
*/
- if (counter->attr.exclusive && cpuctx->active_oncpu)
+ if (event->attr.exclusive && cpuctx->active_oncpu)
return 0;
/*
* Otherwise, try to add it if all previous groups were able
@@ -715,26 +715,26 @@ static int group_can_go_on(struct perf_counter *counter,
return can_add_hw;
}
-static void add_counter_to_ctx(struct perf_counter *counter,
- struct perf_counter_context *ctx)
+static void add_event_to_ctx(struct perf_event *event,
+ struct perf_event_context *ctx)
{
- list_add_counter(counter, ctx);
- counter->tstamp_enabled = ctx->time;
- counter->tstamp_running = ctx->time;
- counter->tstamp_stopped = ctx->time;
+ list_add_event(event, ctx);
+ event->tstamp_enabled = ctx->time;
+ event->tstamp_running = ctx->time;
+ event->tstamp_stopped = ctx->time;
}
/*
- * Cross CPU call to install and enable a performance counter
+ * Cross CPU call to install and enable a performance event
*
* Must be called with ctx->mutex held
*/
static void __perf_install_in_context(void *info)
{
struct perf_cpu_context *cpuctx = &__get_cpu_var(perf_cpu_context);
- struct perf_counter *counter = info;
- struct perf_counter_context *ctx = counter->ctx;
- struct perf_counter *leader = counter->group_leader;
+ struct perf_event *event = info;
+ struct perf_event_context *ctx = event->ctx;
+ struct perf_event *leader = event->group_leader;
int cpu = smp_processor_id();
int err;
@@ -743,7 +743,7 @@ static void __perf_install_in_context(void *info)
* the current task context of this cpu. If not it has been
* scheduled out before the smp call arrived.
* Or possibly this is the right context but it isn't
- * on this cpu because it had no counters.
+ * on this cpu because it had no events.
*/
if (ctx->task && cpuctx->task_ctx != ctx) {
if (cpuctx->task_ctx || ctx->task != current)
@@ -757,41 +757,41 @@ static void __perf_install_in_context(void *info)
/*
* Protect the list operation against NMI by disabling the
- * counters on a global level. NOP for non NMI based counters.
+ * events on a global level. NOP for non NMI based events.
*/
perf_disable();
- add_counter_to_ctx(counter, ctx);
+ add_event_to_ctx(event, ctx);
/*
- * Don't put the counter on if it is disabled or if
+ * Don't put the event on if it is disabled or if
* it is in a group and the group isn't on.
*/
- if (counter->state != PERF_COUNTER_STATE_INACTIVE ||
- (leader != counter && leader->state != PERF_COUNTER_STATE_ACTIVE))
+ if (event->state != PERF_EVENT_STATE_INACTIVE ||
+ (leader != event && leader->state != PERF_EVENT_STATE_ACTIVE))
goto unlock;
/*
- * An exclusive counter can't go on if there are already active
- * hardware counters, and no hardware counter can go on if there
- * is already an exclusive counter on.
+ * An exclusive event can't go on if there are already active
+ * hardware events, and no hardware event can go on if there
+ * is already an exclusive event on.
*/
- if (!group_can_go_on(counter, cpuctx, 1))
+ if (!group_can_go_on(event, cpuctx, 1))
err = -EEXIST;
else
- err = counter_sched_in(counter, cpuctx, ctx, cpu);
+ err = event_sched_in(event, cpuctx, ctx, cpu);
if (err) {
/*
- * This counter couldn't go on. If it is in a group
+ * This event couldn't go on. If it is in a group
* then we have to pull the whole group off.
- * If the counter group is pinned then put it in error state.
+ * If the event group is pinned then put it in error state.
*/
- if (leader != counter)
+ if (leader != event)
group_sched_out(leader, cpuctx, ctx);
if (leader->attr.pinned) {
update_group_times(leader);
- leader->state = PERF_COUNTER_STATE_ERROR;
+ leader->state = PERF_EVENT_STATE_ERROR;
}
}
@@ -805,92 +805,92 @@ static void __perf_install_in_context(void *info)
}
/*
- * Attach a performance counter to a context
+ * Attach a performance event to a context
*
- * First we add the counter to the list with the hardware enable bit
- * in counter->hw_config cleared.
+ * First we add the event to the list with the hardware enable bit
+ * in event->hw_config cleared.
*
- * If the counter is attached to a task which is on a CPU we use a smp
+ * If the event is attached to a task which is on a CPU we use a smp
* call to enable it in the task context. The task might have been
* scheduled away, but we check this in the smp call again.
*
* Must be called with ctx->mutex held.
*/
static void
-perf_install_in_context(struct perf_counter_context *ctx,
- struct perf_counter *counter,
+perf_install_in_context(struct perf_event_context *ctx,
+ struct perf_event *event,
int cpu)
{
struct task_struct *task = ctx->task;
if (!task) {
/*
- * Per cpu counters are installed via an smp call and
+ * Per cpu events are installed via an smp call and
* the install is always sucessful.
*/
smp_call_function_single(cpu, __perf_install_in_context,
- counter, 1);
+ event, 1);
return;
}
retry:
task_oncpu_function_call(task, __perf_install_in_context,
- counter);
+ event);
spin_lock_irq(&ctx->lock);
/*
* we need to retry the smp call.
*/
- if (ctx->is_active && list_empty(&counter->group_entry)) {
+ if (ctx->is_active && list_empty(&event->group_entry)) {
spin_unlock_irq(&ctx->lock);
goto retry;
}
/*
* The lock prevents that this context is scheduled in so we
- * can add the counter safely, if it the call above did not
+ * can add the event safely, if it the call above did not
* succeed.
*/
- if (list_empty(&counter->group_entry))
- add_counter_to_ctx(counter, ctx);
+ if (list_empty(&event->group_entry))
+ add_event_to_ctx(event, ctx);
spin_unlock_irq(&ctx->lock);
}
/*
- * Put a counter into inactive state and update time fields.
+ * Put a event into inactive state and update time fields.
* Enabling the leader of a group effectively enables all
* the group members that aren't explicitly disabled, so we
* have to update their ->tstamp_enabled also.
* Note: this works for group members as well as group leaders
* since the non-leader members' sibling_lists will be empty.
*/
-static void __perf_counter_mark_enabled(struct perf_counter *counter,
- struct perf_counter_context *ctx)
+static void __perf_event_mark_enabled(struct perf_event *event,
+ struct perf_event_context *ctx)
{
- struct perf_counter *sub;
+ struct perf_event *sub;
- counter->state = PERF_COUNTER_STATE_INACTIVE;
- counter->tstamp_enabled = ctx->time - counter->total_time_enabled;
- list_for_each_entry(sub, &counter->sibling_list, group_entry)
- if (sub->state >= PERF_COUNTER_STATE_INACTIVE)
+ event->state = PERF_EVENT_STATE_INACTIVE;
+ event->tstamp_enabled = ctx->time - event->total_time_enabled;
+ list_for_each_entry(sub, &event->sibling_list, group_entry)
+ if (sub->state >= PERF_EVENT_STATE_INACTIVE)
sub->tstamp_enabled =
ctx->time - sub->total_time_enabled;
}
/*
- * Cross CPU call to enable a performance counter
+ * Cross CPU call to enable a performance event
*/
-static void __perf_counter_enable(void *info)
+static void __perf_event_enable(void *info)
{
- struct perf_counter *counter = info;
+ struct perf_event *event = info;
struct perf_cpu_context *cpuctx = &__get_cpu_var(perf_cpu_context);
- struct perf_counter_context *ctx = counter->ctx;
- struct perf_counter *leader = counter->group_leader;
+ struct perf_event_context *ctx = event->ctx;
+ struct perf_event *leader = event->group_leader;
int err;
/*
- * If this is a per-task counter, need to check whether this
- * counter's task is the current task on this cpu.
+ * If this is a per-task event, need to check whether this
+ * event's task is the current task on this cpu.
*/
if (ctx->task && cpuctx->task_ctx != ctx) {
if (cpuctx->task_ctx || ctx->task != current)
@@ -902,40 +902,40 @@ static void __perf_counter_enable(void *info)
ctx->is_active = 1;
update_context_time(ctx);
- if (counter->state >= PERF_COUNTER_STATE_INACTIVE)
+ if (event->state >= PERF_EVENT_STATE_INACTIVE)
goto unlock;
- __perf_counter_mark_enabled(counter, ctx);
+ __perf_event_mark_enabled(event, ctx);
/*
- * If the counter is in a group and isn't the group leader,
+ * If the event is in a group and isn't the group leader,
* then don't put it on unless the group is on.
*/
- if (leader != counter && leader->state != PERF_COUNTER_STATE_ACTIVE)
+ if (leader != event && leader->state != PERF_EVENT_STATE_ACTIVE)
goto unlock;
- if (!group_can_go_on(counter, cpuctx, 1)) {
+ if (!group_can_go_on(event, cpuctx, 1)) {
err = -EEXIST;
} else {
perf_disable();
- if (counter == leader)
- err = group_sched_in(counter, cpuctx, ctx,
+ if (event == leader)
+ err = group_sched_in(event, cpuctx, ctx,
smp_processor_id());
else
- err = counter_sched_in(counter, cpuctx, ctx,
+ err = event_sched_in(event, cpuctx, ctx,
smp_processor_id());
perf_enable();
}
if (err) {
/*
- * If this counter can't go on and it's part of a
+ * If this event can't go on and it's part of a
* group, then the whole group has to come off.
*/
- if (leader != counter)
+ if (leader != event)
group_sched_out(leader, cpuctx, ctx);
if (leader->attr.pinned) {
update_group_times(leader);
- leader->state = PERF_COUNTER_STATE_ERROR;
+ leader->state = PERF_EVENT_STATE_ERROR;
}
}
@@ -944,98 +944,98 @@ static void __perf_counter_enable(void *info)
}
/*
- * Enable a counter.
+ * Enable a event.
*
- * If counter->ctx is a cloned context, callers must make sure that
- * every task struct that counter->ctx->task could possibly point to
+ * If event->ctx is a cloned context, callers must make sure that
+ * every task struct that event->ctx->task could possibly point to
* remains valid. This condition is satisfied when called through
- * perf_counter_for_each_child or perf_counter_for_each as described
- * for perf_counter_disable.
+ * perf_event_for_each_child or perf_event_for_each as described
+ * for perf_event_disable.
*/
-static void perf_counter_enable(struct perf_counter *counter)
+static void perf_event_enable(struct perf_event *event)
{
- struct perf_counter_context *ctx = counter->ctx;
+ struct perf_event_context *ctx = event->ctx;
struct task_struct *task = ctx->task;
if (!task) {
/*
- * Enable the counter on the cpu that it's on
+ * Enable the event on the cpu that it's on
*/
- smp_call_function_single(counter->cpu, __perf_counter_enable,
- counter, 1);
+ smp_call_function_single(event->cpu, __perf_event_enable,
+ event, 1);
return;
}
spin_lock_irq(&ctx->lock);
- if (counter->state >= PERF_COUNTER_STATE_INACTIVE)
+ if (event->state >= PERF_EVENT_STATE_INACTIVE)
goto out;
/*
- * If the counter is in error state, clear that first.
- * That way, if we see the counter in error state below, we
+ * If the event is in error state, clear that first.
+ * That way, if we see the event in error state below, we
* know that it has gone back into error state, as distinct
* from the task having been scheduled away before the
* cross-call arrived.
*/
- if (counter->state == PERF_COUNTER_STATE_ERROR)
- counter->state = PERF_COUNTER_STATE_OFF;
+ if (event->state == PERF_EVENT_STATE_ERROR)
+ event->state = PERF_EVENT_STATE_OFF;
retry:
spin_unlock_irq(&ctx->lock);
- task_oncpu_function_call(task, __perf_counter_enable, counter);
+ task_oncpu_function_call(task, __perf_event_enable, event);
spin_lock_irq(&ctx->lock);
/*
- * If the context is active and the counter is still off,
+ * If the context is active and the event is still off,
* we need to retry the cross-call.
*/
- if (ctx->is_active && counter->state == PERF_COUNTER_STATE_OFF)
+ if (ctx->is_active && event->state == PERF_EVENT_STATE_OFF)
goto retry;
/*
* Since we have the lock this context can't be scheduled
* in, so we can change the state safely.
*/
- if (counter->state == PERF_COUNTER_STATE_OFF)
- __perf_counter_mark_enabled(counter, ctx);
+ if (event->state == PERF_EVENT_STATE_OFF)
+ __perf_event_mark_enabled(event, ctx);
out:
spin_unlock_irq(&ctx->lock);
}
-static int perf_counter_refresh(struct perf_counter *counter, int refresh)
+static int perf_event_refresh(struct perf_event *event, int refresh)
{
/*
- * not supported on inherited counters
+ * not supported on inherited events
*/
- if (counter->attr.inherit)
+ if (event->attr.inherit)
return -EINVAL;
- atomic_add(refresh, &counter->event_limit);
- perf_counter_enable(counter);
+ atomic_add(refresh, &event->event_limit);
+ perf_event_enable(event);
return 0;
}
-void __perf_counter_sched_out(struct perf_counter_context *ctx,
+void __perf_event_sched_out(struct perf_event_context *ctx,
struct perf_cpu_context *cpuctx)
{
- struct perf_counter *counter;
+ struct perf_event *event;
spin_lock(&ctx->lock);
ctx->is_active = 0;
- if (likely(!ctx->nr_counters))
+ if (likely(!ctx->nr_events))
goto out;
update_context_time(ctx);
perf_disable();
if (ctx->nr_active) {
- list_for_each_entry(counter, &ctx->group_list, group_entry) {
- if (counter != counter->group_leader)
- counter_sched_out(counter, cpuctx, ctx);
+ list_for_each_entry(event, &ctx->group_list, group_entry) {
+ if (event != event->group_leader)
+ event_sched_out(event, cpuctx, ctx);
else
- group_sched_out(counter, cpuctx, ctx);
+ group_sched_out(event, cpuctx, ctx);
}
}
perf_enable();
@@ -1046,46 +1046,46 @@ void __perf_counter_sched_out(struct perf_counter_context *ctx,
/*
* Test whether two contexts are equivalent, i.e. whether they
* have both been cloned from the same version of the same context
- * and they both have the same number of enabled counters.
- * If the number of enabled counters is the same, then the set
- * of enabled counters should be the same, because these are both
- * inherited contexts, therefore we can't access individual counters
+ * and they both have the same number of enabled events.
+ * If the number of enabled events is the same, then the set
+ * of enabled events should be the same, because these are both
+ * inherited contexts, therefore we can't access individual events
* in them directly with an fd; we can only enable/disable all
- * counters via prctl, or enable/disable all counters in a family
+ * events via prctl, or enable/disable all events in a family
* via ioctl, which will have the same effect on both contexts.
*/
-static int context_equiv(struct perf_counter_context *ctx1,
- struct perf_counter_context *ctx2)
+static int context_equiv(struct perf_event_context *ctx1,
+ struct perf_event_context *ctx2)
{
return ctx1->parent_ctx && ctx1->parent_ctx == ctx2->parent_ctx
&& ctx1->parent_gen == ctx2->parent_gen
&& !ctx1->pin_count && !ctx2->pin_count;
}
-static void __perf_counter_read(void *counter);
+static void __perf_event_read(void *event);
-static void __perf_counter_sync_stat(struct perf_counter *counter,
- struct perf_counter *next_counter)
+static void __perf_event_sync_stat(struct perf_event *event,
+ struct perf_event *next_event)
{
u64 value;
- if (!counter->attr.inherit_stat)
+ if (!event->attr.inherit_stat)
return;
/*
- * Update the counter value, we cannot use perf_counter_read()
+ * Update the event value, we cannot use perf_event_read()
* because we're in the middle of a context switch and have IRQs
* disabled, which upsets smp_call_function_single(), however
- * we know the counter must be on the current CPU, therefore we
+ * we know the event must be on the current CPU, therefore we
* don't need to use it.
*/
- switch (counter->state) {
- case PERF_COUNTER_STATE_ACTIVE:
- __perf_counter_read(counter);
+ switch (event->state) {
+ case PERF_EVENT_STATE_ACTIVE:
+ __perf_event_read(event);
break;
- case PERF_COUNTER_STATE_INACTIVE:
- update_counter_times(counter);
+ case PERF_EVENT_STATE_INACTIVE:
+ update_event_times(event);
break;
default:
@@ -1093,73 +1093,73 @@ static void __perf_counter_sync_stat(struct perf_counter *counter,
}
/*
- * In order to keep per-task stats reliable we need to flip the counter
+ * In order to keep per-task stats reliable we need to flip the event
* values when we flip the contexts.
*/
- value = atomic64_read(&next_counter->count);
- value = atomic64_xchg(&counter->count, value);
- atomic64_set(&next_counter->count, value);
+ value = atomic64_read(&next_event->count);
+ value = atomic64_xchg(&event->count, value);
+ atomic64_set(&next_event->count, value);
- swap(counter->total_time_enabled, next_counter->total_time_enabled);
- swap(counter->total_time_running, next_counter->total_time_running);
+ swap(event->total_time_enabled, next_event->total_time_enabled);
+ swap(event->total_time_running, next_event->total_time_running);
/*
* Since we swizzled the values, update the user visible data too.
*/
- perf_counter_update_userpage(counter);
- perf_counter_update_userpage(next_counter);
+ perf_event_update_userpage(event);
+ perf_event_update_userpage(next_event);
}
#define list_next_entry(pos, member) \
list_entry(pos->member.next, typeof(*pos), member)
-static void perf_counter_sync_stat(struct perf_counter_context *ctx,
- struct perf_counter_context *next_ctx)
+static void perf_event_sync_stat(struct perf_event_context *ctx,
+ struct perf_event_context *next_ctx)
{
- struct perf_counter *counter, *next_counter;
+ struct perf_event *event, *next_event;
if (!ctx->nr_stat)
return;
- counter = list_first_entry(&ctx->event_list,
- struct perf_counter, event_entry);
+ event = list_first_entry(&ctx->event_list,
+ struct perf_event, event_entry);
- next_counter = list_first_entry(&next_ctx->event_list,
- struct perf_counter, event_entry);
+ next_event = list_first_entry(&next_ctx->event_list,
+ struct perf_event, event_entry);
- while (&counter->event_entry != &ctx->event_list &&
- &next_counter->event_entry != &next_ctx->event_list) {
+ while (&event->event_entry != &ctx->event_list &&
+ &next_event->event_entry != &next_ctx->event_list) {
- __perf_counter_sync_stat(counter, next_counter);
+ __perf_event_sync_stat(event, next_event);
- counter = list_next_entry(counter, event_entry);
- next_counter = list_next_entry(next_counter, event_entry);
+ event = list_next_entry(event, event_entry);
+ next_event = list_next_entry(next_event, event_entry);
}
}
/*
- * Called from scheduler to remove the counters of the current task,
+ * Called from scheduler to remove the events of the current task,
* with interrupts disabled.
*
- * We stop each counter and update the counter value in counter->count.
+ * We stop each event and update the event value in event->count.
*
* This does not protect us against NMI, but disable()
- * sets the disabled bit in the control field of counter _before_
- * accessing the counter control register. If a NMI hits, then it will
- * not restart the counter.
+ * sets the disabled bit in the control field of event _before_
+ * accessing the event control register. If a NMI hits, then it will
+ * not restart the event.
*/
-void perf_counter_task_sched_out(struct task_struct *task,
+void perf_event_task_sched_out(struct task_struct *task,
struct task_struct *next, int cpu)
{
struct perf_cpu_context *cpuctx = &per_cpu(perf_cpu_context, cpu);
- struct perf_counter_context *ctx = task->perf_counter_ctxp;
- struct perf_counter_context *next_ctx;
- struct perf_counter_context *parent;
+ struct perf_event_context *ctx = task->perf_event_ctxp;
+ struct perf_event_context *next_ctx;
+ struct perf_event_context *parent;
struct pt_regs *regs;
int do_switch = 1;
regs = task_pt_regs(task);
- perf_swcounter_event(PERF_COUNT_SW_CONTEXT_SWITCHES, 1, 1, regs, 0);
+ perf_sw_event(PERF_COUNT_SW_CONTEXT_SWITCHES, 1, 1, regs, 0);
if (likely(!ctx || !cpuctx->task_ctx))
return;
@@ -1168,7 +1168,7 @@ void perf_counter_task_sched_out(struct task_struct *task,
rcu_read_lock();
parent = rcu_dereference(ctx->parent_ctx);
- next_ctx = next->perf_counter_ctxp;
+ next_ctx = next->perf_event_ctxp;
if (parent && next_ctx &&
rcu_dereference(next_ctx->parent_ctx) == parent) {
/*
@@ -1185,15 +1185,15 @@ void perf_counter_task_sched_out(struct task_struct *task,
if (context_equiv(ctx, next_ctx)) {
/*
* XXX do we need a memory barrier of sorts
- * wrt to rcu_dereference() of perf_counter_ctxp
+ * wrt to rcu_dereference() of perf_event_ctxp
*/
- task->perf_counter_ctxp = next_ctx;
- next->perf_counter_ctxp = ctx;
+ task->perf_event_ctxp = next_ctx;
+ next->perf_event_ctxp = ctx;
ctx->task = next;
next_ctx->task = task;
do_switch = 0;
- perf_counter_sync_stat(ctx, next_ctx);
+ perf_event_sync_stat(ctx, next_ctx);
}
spin_unlock(&next_ctx->lock);
spin_unlock(&ctx->lock);
@@ -1201,7 +1201,7 @@ void perf_counter_task_sched_out(struct task_struct *task,
rcu_read_unlock();
if (do_switch) {
- __perf_counter_sched_out(ctx, cpuctx);
+ __perf_event_sched_out(ctx, cpuctx);
cpuctx->task_ctx = NULL;
}
}
@@ -1209,7 +1209,7 @@ void perf_counter_task_sched_out(struct task_struct *task,
/*
* Called with IRQs disabled
*/
-static void __perf_counter_task_sched_out(struct perf_counter_context *ctx)
+static void __perf_event_task_sched_out(struct perf_event_context *ctx)
{
struct perf_cpu_context *cpuctx = &__get_cpu_var(perf_cpu_context);
@@ -1219,28 +1219,28 @@ static void __perf_counter_task_sched_out(struct perf_counter_context *ctx)
if (WARN_ON_ONCE(ctx != cpuctx->task_ctx))
return;
- __perf_counter_sched_out(ctx, cpuctx);
+ __perf_event_sched_out(ctx, cpuctx);
cpuctx->task_ctx = NULL;
}
/*
* Called with IRQs disabled
*/
-static void perf_counter_cpu_sched_out(struct perf_cpu_context *cpuctx)
+static void perf_event_cpu_sched_out(struct perf_cpu_context *cpuctx)
{
- __perf_counter_sched_out(&cpuctx->ctx, cpuctx);
+ __perf_event_sched_out(&cpuctx->ctx, cpuctx);
}
static void
-__perf_counter_sched_in(struct perf_counter_context *ctx,
+__perf_event_sched_in(struct perf_event_context *ctx,
struct perf_cpu_context *cpuctx, int cpu)
{
- struct perf_counter *counter;
+ struct perf_event *event;
int can_add_hw = 1;
spin_lock(&ctx->lock);
ctx->is_active = 1;
- if (likely(!ctx->nr_counters))
+ if (likely(!ctx->nr_events))
goto out;
ctx->timestamp = perf_clock();
@@ -1251,52 +1251,52 @@ __perf_counter_sched_in(struct perf_counter_context *ctx,
* First go through the list and put on any pinned groups
* in order to give them the best chance of going on.
*/
- list_for_each_entry(counter, &ctx->group_list, group_entry) {
- if (counter->state <= PERF_COUNTER_STATE_OFF ||
- !counter->attr.pinned)
+ list_for_each_entry(event, &ctx->group_list, group_entry) {
+ if (event->state <= PERF_EVENT_STATE_OFF ||
+ !event->attr.pinned)
continue;
- if (counter->cpu != -1 && counter->cpu != cpu)
+ if (event->cpu != -1 && event->cpu != cpu)
continue;
- if (counter != counter->group_leader)
- counter_sched_in(counter, cpuctx, ctx, cpu);
+ if (event != event->group_leader)
+ event_sched_in(event, cpuctx, ctx, cpu);
else {
- if (group_can_go_on(counter, cpuctx, 1))
- group_sched_in(counter, cpuctx, ctx, cpu);
+ if (group_can_go_on(event, cpuctx, 1))
+ group_sched_in(event, cpuctx, ctx, cpu);
}
/*
* If this pinned group hasn't been scheduled,
* put it in error state.
*/
- if (counter->state == PERF_COUNTER_STATE_INACTIVE) {
- update_group_times(counter);
- counter->state = PERF_COUNTER_STATE_ERROR;
+ if (event->state == PERF_EVENT_STATE_INACTIVE) {
+ update_group_times(event);
+ event->state = PERF_EVENT_STATE_ERROR;
}
}
- list_for_each_entry(counter, &ctx->group_list, group_entry) {
+ list_for_each_entry(event, &ctx->group_list, group_entry) {
/*
- * Ignore counters in OFF or ERROR state, and
- * ignore pinned counters since we did them already.
+ * Ignore events in OFF or ERROR state, and
+ * ignore pinned events since we did them already.
*/
- if (counter->state <= PERF_COUNTER_STATE_OFF ||
- counter->attr.pinned)
+ if (event->state <= PERF_EVENT_STATE_OFF ||
+ event->attr.pinned)
continue;
/*
* Listen to the 'cpu' scheduling filter constraint
- * of counters:
+ * of events:
*/
- if (counter->cpu != -1 && counter->cpu != cpu)
+ if (event->cpu != -1 && event->cpu != cpu)
continue;
- if (counter != counter->group_leader) {
- if (counter_sched_in(counter, cpuctx, ctx, cpu))
+ if (event != event->group_leader) {
+ if (event_sched_in(event, cpuctx, ctx, cpu))
can_add_hw = 0;
} else {
- if (group_can_go_on(counter, cpuctx, can_add_hw)) {
- if (group_sched_in(counter, cpuctx, ctx, cpu))
+ if (group_can_go_on(event, cpuctx, can_add_hw)) {
+ if (group_sched_in(event, cpuctx, ctx, cpu))
can_add_hw = 0;
}
}
@@ -1307,48 +1307,48 @@ __perf_counter_sched_in(struct perf_counter_context *ctx,
}
/*
- * Called from scheduler to add the counters of the current task
+ * Called from scheduler to add the events of the current task
* with interrupts disabled.
*
- * We restore the counter value and then enable it.
+ * We restore the event value and then enable it.
*
* This does not protect us against NMI, but enable()
- * sets the enabled bit in the control field of counter _before_
- * accessing the counter control register. If a NMI hits, then it will
- * keep the counter running.
+ * sets the enabled bit in the control field of event _before_
+ * accessing the event control register. If a NMI hits, then it will
+ * keep the event running.
*/
-void perf_counter_task_sched_in(struct task_struct *task, int cpu)
+void perf_event_task_sched_in(struct task_struct *task, int cpu)
{
struct perf_cpu_context *cpuctx = &per_cpu(perf_cpu_context, cpu);
- struct perf_counter_context *ctx = task->perf_counter_ctxp;
+ struct perf_event_context *ctx = task->perf_event_ctxp;
if (likely(!ctx))
return;
if (cpuctx->task_ctx == ctx)
return;
- __perf_counter_sched_in(ctx, cpuctx, cpu);
+ __perf_event_sched_in(ctx, cpuctx, cpu);
cpuctx->task_ctx = ctx;
}
-static void perf_counter_cpu_sched_in(struct perf_cpu_context *cpuctx, int cpu)
+static void perf_event_cpu_sched_in(struct perf_cpu_context *cpuctx, int cpu)
{
- struct perf_counter_context *ctx = &cpuctx->ctx;
+ struct perf_event_context *ctx = &cpuctx->ctx;
- __perf_counter_sched_in(ctx, cpuctx, cpu);
+ __perf_event_sched_in(ctx, cpuctx, cpu);
}
#define MAX_INTERRUPTS (~0ULL)
-static void perf_log_throttle(struct perf_counter *counter, int enable);
+static void perf_log_throttle(struct perf_event *event, int enable);
-static void perf_adjust_period(struct perf_counter *counter, u64 events)
+static void perf_adjust_period(struct perf_event *event, u64 events)
{
- struct hw_perf_counter *hwc = &counter->hw;
+ struct hw_perf_event *hwc = &event->hw;
u64 period, sample_period;
s64 delta;
events *= hwc->sample_period;
- period = div64_u64(events, counter->attr.sample_freq);
+ period = div64_u64(events, event->attr.sample_freq);
delta = (s64)(period - hwc->sample_period);
delta = (delta + 7) / 8; /* low pass filter */
@@ -1361,39 +1361,39 @@ static void perf_adjust_period(struct perf_counter *counter, u64 events)
hwc->sample_period = sample_period;
}
-static void perf_ctx_adjust_freq(struct perf_counter_context *ctx)
+static void perf_ctx_adjust_freq(struct perf_event_context *ctx)
{
- struct perf_counter *counter;
- struct hw_perf_counter *hwc;
+ struct perf_event *event;
+ struct hw_perf_event *hwc;
u64 interrupts, freq;
spin_lock(&ctx->lock);
- list_for_each_entry(counter, &ctx->group_list, group_entry) {
- if (counter->state != PERF_COUNTER_STATE_ACTIVE)
+ list_for_each_entry(event, &ctx->group_list, group_entry) {
+ if (event->state != PERF_EVENT_STATE_ACTIVE)
continue;
- hwc = &counter->hw;
+ hwc = &event->hw;
interrupts = hwc->interrupts;
hwc->interrupts = 0;
/*
- * unthrottle counters on the tick
+ * unthrottle events on the tick
*/
if (interrupts == MAX_INTERRUPTS) {
- perf_log_throttle(counter, 1);
- counter->pmu->unthrottle(counter);
- interrupts = 2*sysctl_perf_counter_sample_rate/HZ;
+ perf_log_throttle(event, 1);
+ event->pmu->unthrottle(event);
+ interrupts = 2*sysctl_perf_event_sample_rate/HZ;
}
- if (!counter->attr.freq || !counter->attr.sample_freq)
+ if (!event->attr.freq || !event->attr.sample_freq)
continue;
/*
* if the specified freq < HZ then we need to skip ticks
*/
- if (counter->attr.sample_freq < HZ) {
- freq = counter->attr.sample_freq;
+ if (event->attr.sample_freq < HZ) {
+ freq = event->attr.sample_freq;
hwc->freq_count += freq;
hwc->freq_interrupts += interrupts;
@@ -1407,7 +1407,7 @@ static void perf_ctx_adjust_freq(struct perf_counter_context *ctx)
} else
freq = HZ;
- perf_adjust_period(counter, freq * interrupts);
+ perf_adjust_period(event, freq * interrupts);
/*
* In order to avoid being stalled by an (accidental) huge
@@ -1416,9 +1416,9 @@ static void perf_ctx_adjust_freq(struct perf_counter_context *ctx)
*/
if (!interrupts) {
perf_disable();
- counter->pmu->disable(counter);
+ event->pmu->disable(event);
atomic64_set(&hwc->period_left, 0);
- counter->pmu->enable(counter);
+ event->pmu->enable(event);
perf_enable();
}
}
@@ -1426,22 +1426,22 @@ static void perf_ctx_adjust_freq(struct perf_counter_context *ctx)
}
/*
- * Round-robin a context's counters:
+ * Round-robin a context's events:
*/
-static void rotate_ctx(struct perf_counter_context *ctx)
+static void rotate_ctx(struct perf_event_context *ctx)
{
- struct perf_counter *counter;
+ struct perf_event *event;
- if (!ctx->nr_counters)
+ if (!ctx->nr_events)
return;
spin_lock(&ctx->lock);
/*
- * Rotate the first entry last (works just fine for group counters too):
+ * Rotate the first entry last (works just fine for group events too):
*/
perf_disable();
- list_for_each_entry(counter, &ctx->group_list, group_entry) {
- list_move_tail(&counter->group_entry, &ctx->group_list);
+ list_for_each_entry(event, &ctx->group_list, group_entry) {
+ list_move_tail(&event->group_entry, &ctx->group_list);
break;
}
perf_enable();
@@ -1449,93 +1449,93 @@ static void rotate_ctx(struct perf_counter_context *ctx)
spin_unlock(&ctx->lock);
}
-void perf_counter_task_tick(struct task_struct *curr, int cpu)
+void perf_event_task_tick(struct task_struct *curr, int cpu)
{
struct perf_cpu_context *cpuctx;
- struct perf_counter_context *ctx;
+ struct perf_event_context *ctx;
- if (!atomic_read(&nr_counters))
+ if (!atomic_read(&nr_events))
return;
cpuctx = &per_cpu(perf_cpu_context, cpu);
- ctx = curr->perf_counter_ctxp;
+ ctx = curr->perf_event_ctxp;
perf_ctx_adjust_freq(&cpuctx->ctx);
if (ctx)
perf_ctx_adjust_freq(ctx);
- perf_counter_cpu_sched_out(cpuctx);
+ perf_event_cpu_sched_out(cpuctx);
if (ctx)
- __perf_counter_task_sched_out(ctx);
+ __perf_event_task_sched_out(ctx);
rotate_ctx(&cpuctx->ctx);
if (ctx)
rotate_ctx(ctx);
- perf_counter_cpu_sched_in(cpuctx, cpu);
+ perf_event_cpu_sched_in(cpuctx, cpu);
if (ctx)
- perf_counter_task_sched_in(curr, cpu);
+ perf_event_task_sched_in(curr, cpu);
}
/*
- * Enable all of a task's counters that have been marked enable-on-exec.
+ * Enable all of a task's events that have been marked enable-on-exec.
* This expects task == current.
*/
-static void perf_counter_enable_on_exec(struct task_struct *task)
+static void perf_event_enable_on_exec(struct task_struct *task)
{
- struct perf_counter_context *ctx;
- struct perf_counter *counter;
+ struct perf_event_context *ctx;
+ struct perf_event *event;
unsigned long flags;
int enabled = 0;
local_irq_save(flags);
- ctx = task->perf_counter_ctxp;
- if (!ctx || !ctx->nr_counters)
+ ctx = task->perf_event_ctxp;
+ if (!ctx || !ctx->nr_events)
goto out;
- __perf_counter_task_sched_out(ctx);
+ __perf_event_task_sched_out(ctx);
spin_lock(&ctx->lock);
- list_for_each_entry(counter, &ctx->group_list, group_entry) {
- if (!counter->attr.enable_on_exec)
+ list_for_each_entry(event, &ctx->group_list, group_entry) {
+ if (!event->attr.enable_on_exec)
continue;
- counter->attr.enable_on_exec = 0;
- if (counter->state >= PERF_COUNTER_STATE_INACTIVE)
+ event->attr.enable_on_exec = 0;
+ if (event->state >= PERF_EVENT_STATE_INACTIVE)
continue;
- __perf_counter_mark_enabled(counter, ctx);
+ __perf_event_mark_enabled(event, ctx);
enabled = 1;
}
/*
- * Unclone this context if we enabled any counter.
+ * Unclone this context if we enabled any event.
*/
if (enabled)
unclone_ctx(ctx);
spin_unlock(&ctx->lock);
- perf_counter_task_sched_in(task, smp_processor_id());
+ perf_event_task_sched_in(task, smp_processor_id());
out:
local_irq_restore(flags);
}
/*
- * Cross CPU call to read the hardware counter
+ * Cross CPU call to read the hardware event
*/
-static void __perf_counter_read(void *info)
+static void __perf_event_read(void *info)
{
struct perf_cpu_context *cpuctx = &__get_cpu_var(perf_cpu_context);
- struct perf_counter *counter = info;
- struct perf_counter_context *ctx = counter->ctx;
+ struct perf_event *event = info;
+ struct perf_event_context *ctx = event->ctx;
unsigned long flags;
/*
* If this is a task context, we need to check whether it is
* the current task context of this cpu. If not it has been
* scheduled out before the smp call arrived. In that case
- * counter->count would have been updated to a recent sample
- * when the counter was scheduled out.
+ * event->count would have been updated to a recent sample
+ * when the event was scheduled out.
*/
if (ctx->task && cpuctx->task_ctx != ctx)
return;
@@ -1543,32 +1543,32 @@ static void __perf_counter_read(void *info)
local_irq_save(flags);
if (ctx->is_active)
update_context_time(ctx);
- counter->pmu->read(counter);
- update_counter_times(counter);
+ event->pmu->read(event);
+ update_event_times(event);
local_irq_restore(flags);
}
-static u64 perf_counter_read(struct perf_counter *counter)
+static u64 perf_event_read(struct perf_event *event)
{
/*
- * If counter is enabled and currently active on a CPU, update the
- * value in the counter structure:
+ * If event is enabled and currently active on a CPU, update the
+ * value in the event structure:
*/
- if (counter->state == PERF_COUNTER_STATE_ACTIVE) {
- smp_call_function_single(counter->oncpu,
- __perf_counter_read, counter, 1);
- } else if (counter->state == PERF_COUNTER_STATE_INACTIVE) {
- update_counter_times(counter);
+ if (event->state == PERF_EVENT_STATE_ACTIVE) {
+ smp_call_function_single(event->oncpu,
+ __perf_event_read, event, 1);
+ } else if (event->state == PERF_EVENT_STATE_INACTIVE) {
+ update_event_times(event);
}
- return atomic64_read(&counter->count);
+ return atomic64_read(&event->count);
}
/*
- * Initialize the perf_counter context in a task_struct:
+ * Initialize the perf_event context in a task_struct:
*/
static void
-__perf_counter_init_context(struct perf_counter_context *ctx,
+__perf_event_init_context(struct perf_event_context *ctx,
struct task_struct *task)
{
memset(ctx, 0, sizeof(*ctx));
@@ -1580,19 +1580,19 @@ __perf_counter_init_context(struct perf_counter_context *ctx,
ctx->task = task;
}
-static struct perf_counter_context *find_get_context(pid_t pid, int cpu)
+static struct perf_event_context *find_get_context(pid_t pid, int cpu)
{
- struct perf_counter_context *ctx;
+ struct perf_event_context *ctx;
struct perf_cpu_context *cpuctx;
struct task_struct *task;
unsigned long flags;
int err;
/*
- * If cpu is not a wildcard then this is a percpu counter:
+ * If cpu is not a wildcard then this is a percpu event:
*/
if (cpu != -1) {
- /* Must be root to operate on a CPU counter: */
+ /* Must be root to operate on a CPU event: */
if (perf_paranoid_cpu() && !capable(CAP_SYS_ADMIN))
return ERR_PTR(-EACCES);
@@ -1600,7 +1600,7 @@ static struct perf_counter_context *find_get_context(pid_t pid, int cpu)
return ERR_PTR(-EINVAL);
/*
- * We could be clever and allow to attach a counter to an
+ * We could be clever and allow to attach a event to an
* offline CPU and activate it when the CPU comes up, but
* that's for later.
*/
@@ -1627,7 +1627,7 @@ static struct perf_counter_context *find_get_context(pid_t pid, int cpu)
return ERR_PTR(-ESRCH);
/*
- * Can't attach counters to a dying task.
+ * Can't attach events to a dying task.
*/
err = -ESRCH;
if (task->flags & PF_EXITING)
@@ -1646,13 +1646,13 @@ static struct perf_counter_context *find_get_context(pid_t pid, int cpu)
}
if (!ctx) {
- ctx = kmalloc(sizeof(struct perf_counter_context), GFP_KERNEL);
+ ctx = kmalloc(sizeof(struct perf_event_context), GFP_KERNEL);
err = -ENOMEM;
if (!ctx)
goto errout;
- __perf_counter_init_context(ctx, task);
+ __perf_event_init_context(ctx, task);
get_ctx(ctx);
- if (cmpxchg(&task->perf_counter_ctxp, NULL, ctx)) {
+ if (cmpxchg(&task->perf_event_ctxp, NULL, ctx)) {
/*
* We raced with some other task; use
* the context they set.
@@ -1671,42 +1671,42 @@ static struct perf_counter_context *find_get_context(pid_t pid, int cpu)
return ERR_PTR(err);
}
-static void free_counter_rcu(struct rcu_head *head)
+static void free_event_rcu(struct rcu_head *head)
{
- struct perf_counter *counter;
+ struct perf_event *event;
- counter = container_of(head, struct perf_counter, rcu_head);
- if (counter->ns)
- put_pid_ns(counter->ns);
- kfree(counter);
+ event = container_of(head, struct perf_event, rcu_head);
+ if (event->ns)
+ put_pid_ns(event->ns);
+ kfree(event);
}
-static void perf_pending_sync(struct perf_counter *counter);
+static void perf_pending_sync(struct perf_event *event);
-static void free_counter(struct perf_counter *counter)
+static void free_event(struct perf_event *event)
{
- perf_pending_sync(counter);
+ perf_pending_sync(event);
- if (!counter->parent) {
- atomic_dec(&nr_counters);
- if (counter->attr.mmap)
- atomic_dec(&nr_mmap_counters);
- if (counter->attr.comm)
- atomic_dec(&nr_comm_counters);
- if (counter->attr.task)
- atomic_dec(&nr_task_counters);
+ if (!event->parent) {
+ atomic_dec(&nr_events);
+ if (event->attr.mmap)
+ atomic_dec(&nr_mmap_events);
+ if (event->attr.comm)
+ atomic_dec(&nr_comm_events);
+ if (event->attr.task)
+ atomic_dec(&nr_task_events);
}
- if (counter->output) {
- fput(counter->output->filp);
- counter->output = NULL;
+ if (event->output) {
+ fput(event->output->filp);
+ event->output = NULL;
}
- if (counter->destroy)
- counter->destroy(counter);
+ if (event->destroy)
+ event->destroy(event);
- put_ctx(counter->ctx);
- call_rcu(&counter->rcu_head, free_counter_rcu);
+ put_ctx(event->ctx);
+ call_rcu(&event->rcu_head, free_event_rcu);
}
/*
@@ -1714,43 +1714,43 @@ static void free_counter(struct perf_counter *counter)
*/
static int perf_release(struct inode *inode, struct file *file)
{
- struct perf_counter *counter = file->private_data;
- struct perf_counter_context *ctx = counter->ctx;
+ struct perf_event *event = file->private_data;
+ struct perf_event_context *ctx = event->ctx;
file->private_data = NULL;
WARN_ON_ONCE(ctx->parent_ctx);
mutex_lock(&ctx->mutex);
- perf_counter_remove_from_context(counter);
+ perf_event_remove_from_context(event);
mutex_unlock(&ctx->mutex);
- mutex_lock(&counter->owner->perf_counter_mutex);
- list_del_init(&counter->owner_entry);
- mutex_unlock(&counter->owner->perf_counter_mutex);
- put_task_struct(counter->owner);
+ mutex_lock(&event->owner->perf_event_mutex);
+ list_del_init(&event->owner_entry);
+ mutex_unlock(&event->owner->perf_event_mutex);
+ put_task_struct(event->owner);
- free_counter(counter);
+ free_event(event);
return 0;
}
-static int perf_counter_read_size(struct perf_counter *counter)
+static int perf_event_read_size(struct perf_event *event)
{
int entry = sizeof(u64); /* value */
int size = 0;
int nr = 1;
- if (counter->attr.read_format & PERF_FORMAT_TOTAL_TIME_ENABLED)
+ if (event->attr.read_format & PERF_FORMAT_TOTAL_TIME_ENABLED)
size += sizeof(u64);
- if (counter->attr.read_format & PERF_FORMAT_TOTAL_TIME_RUNNING)
+ if (event->attr.read_format & PERF_FORMAT_TOTAL_TIME_RUNNING)
size += sizeof(u64);
- if (counter->attr.read_format & PERF_FORMAT_ID)
+ if (event->attr.read_format & PERF_FORMAT_ID)
entry += sizeof(u64);
- if (counter->attr.read_format & PERF_FORMAT_GROUP) {
- nr += counter->group_leader->nr_siblings;
+ if (event->attr.read_format & PERF_FORMAT_GROUP) {
+ nr += event->group_leader->nr_siblings;
size += sizeof(u64);
}
@@ -1759,27 +1759,27 @@ static int perf_counter_read_size(struct perf_counter *counter)
return size;
}
-static u64 perf_counter_read_value(struct perf_counter *counter)
+static u64 perf_event_read_value(struct perf_event *event)
{
- struct perf_counter *child;
+ struct perf_event *child;
u64 total = 0;
- total += perf_counter_read(counter);
- list_for_each_entry(child, &counter->child_list, child_list)
- total += perf_counter_read(child);
+ total += perf_event_read(event);
+ list_for_each_entry(child, &event->child_list, child_list)
+ total += perf_event_read(child);
return total;
}
-static int perf_counter_read_entry(struct perf_counter *counter,
+static int perf_event_read_entry(struct perf_event *event,
u64 read_format, char __user *buf)
{
int n = 0, count = 0;
u64 values[2];
- values[n++] = perf_counter_read_value(counter);
+ values[n++] = perf_event_read_value(event);
if (read_format & PERF_FORMAT_ID)
- values[n++] = primary_counter_id(counter);
+ values[n++] = primary_event_id(event);
count = n * sizeof(u64);
@@ -1789,10 +1789,10 @@ static int perf_counter_read_entry(struct perf_counter *counter,
return count;
}
-static int perf_counter_read_group(struct perf_counter *counter,
+static int perf_event_read_group(struct perf_event *event,
u64 read_format, char __user *buf)
{
- struct perf_counter *leader = counter->group_leader, *sub;
+ struct perf_event *leader = event->group_leader, *sub;
int n = 0, size = 0, err = -EFAULT;
u64 values[3];
@@ -1811,14 +1811,14 @@ static int perf_counter_read_group(struct perf_counter *counter,
if (copy_to_user(buf, values, size))
return -EFAULT;
- err = perf_counter_read_entry(leader, read_format, buf + size);
+ err = perf_event_read_entry(leader, read_format, buf + size);
if (err < 0)
return err;
size += err;
list_for_each_entry(sub, &leader->sibling_list, group_entry) {
- err = perf_counter_read_entry(sub, read_format,
+ err = perf_event_read_entry(sub, read_format,
buf + size);
if (err < 0)
return err;
@@ -1829,23 +1829,23 @@ static int perf_counter_read_group(struct perf_counter *counter,
return size;
}
-static int perf_counter_read_one(struct perf_counter *counter,
+static int perf_event_read_one(struct perf_event *event,
u64 read_format, char __user *buf)
{
u64 values[4];
int n = 0;
- values[n++] = perf_counter_read_value(counter);
+ values[n++] = perf_event_read_value(event);
if (read_format & PERF_FORMAT_TOTAL_TIME_ENABLED) {
- values[n++] = counter->total_time_enabled +
- atomic64_read(&counter->child_total_time_enabled);
+ values[n++] = event->total_time_enabled +
+ atomic64_read(&event->child_total_time_enabled);
}
if (read_format & PERF_FORMAT_TOTAL_TIME_RUNNING) {
- values[n++] = counter->total_time_running +
- atomic64_read(&counter->child_total_time_running);
+ values[n++] = event->total_time_running +
+ atomic64_read(&event->child_total_time_running);
}
if (read_format & PERF_FORMAT_ID)
- values[n++] = primary_counter_id(counter);
+ values[n++] = primary_event_id(event);
if (copy_to_user(buf, values, n * sizeof(u64)))
return -EFAULT;
@@ -1854,32 +1854,32 @@ static int perf_counter_read_one(struct perf_counter *counter,
}
/*
- * Read the performance counter - simple non blocking version for now
+ * Read the performance event - simple non blocking version for now
*/
static ssize_t
-perf_read_hw(struct perf_counter *counter, char __user *buf, size_t count)
+perf_read_hw(struct perf_event *event, char __user *buf, size_t count)
{
- u64 read_format = counter->attr.read_format;
+ u64 read_format = event->attr.read_format;
int ret;
/*
- * Return end-of-file for a read on a counter that is in
+ * Return end-of-file for a read on a event that is in
* error state (i.e. because it was pinned but it couldn't be
* scheduled on to the CPU at some point).
*/
- if (counter->state == PERF_COUNTER_STATE_ERROR)
+ if (event->state == PERF_EVENT_STATE_ERROR)
return 0;
- if (count < perf_counter_read_size(counter))
+ if (count < perf_event_read_size(event))
return -ENOSPC;
- WARN_ON_ONCE(counter->ctx->parent_ctx);
- mutex_lock(&counter->child_mutex);
+ WARN_ON_ONCE(event->ctx->parent_ctx);
+ mutex_lock(&event->child_mutex);
if (read_format & PERF_FORMAT_GROUP)
- ret = perf_counter_read_group(counter, read_format, buf);
+ ret = perf_event_read_group(event, read_format, buf);
else
- ret = perf_counter_read_one(counter, read_format, buf);
- mutex_unlock(&counter->child_mutex);
+ ret = perf_event_read_one(event, read_format, buf);
+ mutex_unlock(&event->child_mutex);
return ret;
}
@@ -1887,79 +1887,79 @@ perf_read_hw(struct perf_counter *counter, char __user *buf, size_t count)
static ssize_t
perf_read(struct file *file, char __user *buf, size_t count, loff_t *ppos)
{
- struct perf_counter *counter = file->private_data;
+ struct perf_event *event = file->private_data;
- return perf_read_hw(counter, buf, count);
+ return perf_read_hw(event, buf, count);
}
static unsigned int perf_poll(struct file *file, poll_table *wait)
{
- struct perf_counter *counter = file->private_data;
+ struct perf_event *event = file->private_data;
struct perf_mmap_data *data;
unsigned int events = POLL_HUP;
rcu_read_lock();
- data = rcu_dereference(counter->data);
+ data = rcu_dereference(event->data);
if (data)
events = atomic_xchg(&data->poll, 0);
rcu_read_unlock();
- poll_wait(file, &counter->waitq, wait);
+ poll_wait(file, &event->waitq, wait);
return events;
}
-static void perf_counter_reset(struct perf_counter *counter)
+static void perf_event_reset(struct perf_event *event)
{
- (void)perf_counter_read(counter);
- atomic64_set(&counter->count, 0);
- perf_counter_update_userpage(counter);
+ (void)perf_event_read(event);
+ atomic64_set(&event->count, 0);
+ perf_event_update_userpage(event);
}
/*
- * Holding the top-level counter's child_mutex means that any
- * descendant process that has inherited this counter will block
- * in sync_child_counter if it goes to exit, thus satisfying the
- * task existence requirements of perf_counter_enable/disable.
+ * Holding the top-level event's child_mutex means that any
+ * descendant process that has inherited this event will block
+ * in sync_child_event if it goes to exit, thus satisfying the
+ * task existence requirements of perf_event_enable/disable.
*/
-static void perf_counter_for_each_child(struct perf_counter *counter,
- void (*func)(struct perf_counter *))
+static void perf_event_for_each_child(struct perf_event *event,
+ void (*func)(struct perf_event *))
{
- struct perf_counter *child;
+ struct perf_event *child;
- WARN_ON_ONCE(counter->ctx->parent_ctx);
- mutex_lock(&counter->child_mutex);
- func(counter);
- list_for_each_entry(child, &counter->child_list, child_list)
+ WARN_ON_ONCE(event->ctx->parent_ctx);
+ mutex_lock(&event->child_mutex);
+ func(event);
+ list_for_each_entry(child, &event->child_list, child_list)
func(child);
- mutex_unlock(&counter->child_mutex);
+ mutex_unlock(&event->child_mutex);
}
-static void perf_counter_for_each(struct perf_counter *counter,
- void (*func)(struct perf_counter *))
+static void perf_event_for_each(struct perf_event *event,
+ void (*func)(struct perf_event *))
{
- struct perf_counter_context *ctx = counter->ctx;
- struct perf_counter *sibling;
+ struct perf_event_context *ctx = event->ctx;
+ struct perf_event *sibling;
WARN_ON_ONCE(ctx->parent_ctx);
mutex_lock(&ctx->mutex);
- counter = counter->group_leader;
+ event = event->group_leader;
- perf_counter_for_each_child(counter, func);
- func(counter);
- list_for_each_entry(sibling, &counter->sibling_list, group_entry)
- perf_counter_for_each_child(counter, func);
+ perf_event_for_each_child(event, func);
+ func(event);
+ list_for_each_entry(sibling, &event->sibling_list, group_entry)
+ perf_event_for_each_child(event, func);
mutex_unlock(&ctx->mutex);
}
-static int perf_counter_period(struct perf_counter *counter, u64 __user *arg)
+static int perf_event_period(struct perf_event *event, u64 __user *arg)
{
- struct perf_counter_context *ctx = counter->ctx;
+ struct perf_event_context *ctx = event->ctx;
unsigned long size;
int ret = 0;
u64 value;
- if (!counter->attr.sample_period)
+ if (!event->attr.sample_period)
return -EINVAL;
size = copy_from_user(&value, arg, sizeof(value));
@@ -1970,16 +1970,16 @@ static int perf_counter_period(struct perf_counter *counter, u64 __user *arg)
return -EINVAL;
spin_lock_irq(&ctx->lock);
- if (counter->attr.freq) {
- if (value > sysctl_perf_counter_sample_rate) {
+ if (event->attr.freq) {
+ if (value > sysctl_perf_event_sample_rate) {
ret = -EINVAL;
goto unlock;
}
- counter->attr.sample_freq = value;
+ event->attr.sample_freq = value;
} else {
- counter->attr.sample_period = value;
- counter->hw.sample_period = value;
+ event->attr.sample_period = value;
+ event->hw.sample_period = value;
}
unlock:
spin_unlock_irq(&ctx->lock);
@@ -1987,80 +1987,80 @@ unlock:
return ret;
}
-int perf_counter_set_output(struct perf_counter *counter, int output_fd);
+int perf_event_set_output(struct perf_event *event, int output_fd);
static long perf_ioctl(struct file *file, unsigned int cmd, unsigned long arg)
{
- struct perf_counter *counter = file->private_data;
- void (*func)(struct perf_counter *);
+ struct perf_event *event = file->private_data;
+ void (*func)(struct perf_event *);
u32 flags = arg;
switch (cmd) {
- case PERF_COUNTER_IOC_ENABLE:
- func = perf_counter_enable;
+ case PERF_EVENT_IOC_ENABLE:
+ func = perf_event_enable;
break;
- case PERF_COUNTER_IOC_DISABLE:
- func = perf_counter_disable;
+ case PERF_EVENT_IOC_DISABLE:
+ func = perf_event_disable;
break;
- case PERF_COUNTER_IOC_RESET:
- func = perf_counter_reset;
+ case PERF_EVENT_IOC_RESET:
+ func = perf_event_reset;
break;
- case PERF_COUNTER_IOC_REFRESH:
- return perf_counter_refresh(counter, arg);
+ case PERF_EVENT_IOC_REFRESH:
+ return perf_event_refresh(event, arg);
- case PERF_COUNTER_IOC_PERIOD:
- return perf_counter_period(counter, (u64 __user *)arg);
+ case PERF_EVENT_IOC_PERIOD:
+ return perf_event_period(event, (u64 __user *)arg);
- case PERF_COUNTER_IOC_SET_OUTPUT:
- return perf_counter_set_output(counter, arg);
+ case PERF_EVENT_IOC_SET_OUTPUT:
+ return perf_event_set_output(event, arg);
default:
return -ENOTTY;
}
if (flags & PERF_IOC_FLAG_GROUP)
- perf_counter_for_each(counter, func);
+ perf_event_for_each(event, func);
else
- perf_counter_for_each_child(counter, func);
+ perf_event_for_each_child(event, func);
return 0;
}
-int perf_counter_task_enable(void)
+int perf_event_task_enable(void)
{
- struct perf_counter *counter;
+ struct perf_event *event;
- mutex_lock(&current->perf_counter_mutex);
- list_for_each_entry(counter, &current->perf_counter_list, owner_entry)
- perf_counter_for_each_child(counter, perf_counter_enable);
- mutex_unlock(&current->perf_counter_mutex);
+ mutex_lock(&current->perf_event_mutex);
+ list_for_each_entry(event, &current->perf_event_list, owner_entry)
+ perf_event_for_each_child(event, perf_event_enable);
+ mutex_unlock(&current->perf_event_mutex);
return 0;
}
-int perf_counter_task_disable(void)
+int perf_event_task_disable(void)
{
- struct perf_counter *counter;
+ struct perf_event *event;
- mutex_lock(&current->perf_counter_mutex);
- list_for_each_entry(counter, &current->perf_counter_list, owner_entry)
- perf_counter_for_each_child(counter, perf_counter_disable);
- mutex_unlock(&current->perf_counter_mutex);
+ mutex_lock(&current->perf_event_mutex);
+ list_for_each_entry(event, &current->perf_event_list, owner_entry)
+ perf_event_for_each_child(event, perf_event_disable);
+ mutex_unlock(&current->perf_event_mutex);
return 0;
}
-#ifndef PERF_COUNTER_INDEX_OFFSET
-# define PERF_COUNTER_INDEX_OFFSET 0
+#ifndef PERF_EVENT_INDEX_OFFSET
+# define PERF_EVENT_INDEX_OFFSET 0
#endif
-static int perf_counter_index(struct perf_counter *counter)
+static int perf_event_index(struct perf_event *event)
{
- if (counter->state != PERF_COUNTER_STATE_ACTIVE)
+ if (event->state != PERF_EVENT_STATE_ACTIVE)
return 0;
- return counter->hw.idx + 1 - PERF_COUNTER_INDEX_OFFSET;
+ return event->hw.idx + 1 - PERF_EVENT_INDEX_OFFSET;
}
/*
@@ -2068,13 +2068,13 @@ static int perf_counter_index(struct perf_counter *counter)
* the seqlock logic goes bad. We can not serialize this because the arch
* code calls this from NMI context.
*/
-void perf_counter_update_userpage(struct perf_counter *counter)
+void perf_event_update_userpage(struct perf_event *event)
{
- struct perf_counter_mmap_page *userpg;
+ struct perf_event_mmap_page *userpg;
struct perf_mmap_data *data;
rcu_read_lock();
- data = rcu_dereference(counter->data);
+ data = rcu_dereference(event->data);
if (!data)
goto unlock;
@@ -2087,16 +2087,16 @@ void perf_counter_update_userpage(struct perf_counter *counter)
preempt_disable();
++userpg->lock;
barrier();
- userpg->index = perf_counter_index(counter);
- userpg->offset = atomic64_read(&counter->count);
- if (counter->state == PERF_COUNTER_STATE_ACTIVE)
- userpg->offset -= atomic64_read(&counter->hw.prev_count);
+ userpg->index = perf_event_index(event);
+ userpg->offset = atomic64_read(&event->count);
+ if (event->state == PERF_EVENT_STATE_ACTIVE)
+ userpg->offset -= atomic64_read(&event->hw.prev_count);
- userpg->time_enabled = counter->total_time_enabled +
- atomic64_read(&counter->child_total_time_enabled);
+ userpg->time_enabled = event->total_time_enabled +
+ atomic64_read(&event->child_total_time_enabled);
- userpg->time_running = counter->total_time_running +
- atomic64_read(&counter->child_total_time_running);
+ userpg->time_running = event->total_time_running +
+ atomic64_read(&event->child_total_time_running);
barrier();
++userpg->lock;
@@ -2107,7 +2107,7 @@ unlock:
static int perf_mmap_fault(struct vm_area_struct *vma, struct vm_fault *vmf)
{
- struct perf_counter *counter = vma->vm_file->private_data;
+ struct perf_event *event = vma->vm_file->private_data;
struct perf_mmap_data *data;
int ret = VM_FAULT_SIGBUS;
@@ -2118,7 +2118,7 @@ static int perf_mmap_fault(struct vm_area_struct *vma, struct vm_fault *vmf)
}
rcu_read_lock();
- data = rcu_dereference(counter->data);
+ data = rcu_dereference(event->data);
if (!data)
goto unlock;
@@ -2147,13 +2147,13 @@ unlock:
return ret;
}
-static int perf_mmap_data_alloc(struct perf_counter *counter, int nr_pages)
+static int perf_mmap_data_alloc(struct perf_event *event, int nr_pages)
{
struct perf_mmap_data *data;
unsigned long size;
int i;
- WARN_ON(atomic_read(&counter->mmap_count));
+ WARN_ON(atomic_read(&event->mmap_count));
size = sizeof(struct perf_mmap_data);
size += nr_pages * sizeof(void *);
@@ -2175,14 +2175,14 @@ static int perf_mmap_data_alloc(struct perf_counter *counter, int nr_pages)
data->nr_pages = nr_pages;
atomic_set(&data->lock, -1);
- if (counter->attr.watermark) {
+ if (event->attr.watermark) {
data->watermark = min_t(long, PAGE_SIZE * nr_pages,
- counter->attr.wakeup_watermark);
+ event->attr.wakeup_watermark);
}
if (!data->watermark)
data->watermark = max(PAGE_SIZE, PAGE_SIZE * nr_pages / 4);
- rcu_assign_pointer(counter->data, data);
+ rcu_assign_pointer(event->data, data);
return 0;
@@ -2221,35 +2221,35 @@ static void __perf_mmap_data_free(struct rcu_head *rcu_head)
kfree(data);
}
-static void perf_mmap_data_free(struct perf_counter *counter)
+static void perf_mmap_data_free(struct perf_event *event)
{
- struct perf_mmap_data *data = counter->data;
+ struct perf_mmap_data *data = event->data;
- WARN_ON(atomic_read(&counter->mmap_count));
+ WARN_ON(atomic_read(&event->mmap_count));
- rcu_assign_pointer(counter->data, NULL);
+ rcu_assign_pointer(event->data, NULL);
call_rcu(&data->rcu_head, __perf_mmap_data_free);
}
static void perf_mmap_open(struct vm_area_struct *vma)
{
- struct perf_counter *counter = vma->vm_file->private_data;
+ struct perf_event *event = vma->vm_file->private_data;
- atomic_inc(&counter->mmap_count);
+ atomic_inc(&event->mmap_count);
}
static void perf_mmap_close(struct vm_area_struct *vma)
{
- struct perf_counter *counter = vma->vm_file->private_data;
+ struct perf_event *event = vma->vm_file->private_data;
- WARN_ON_ONCE(counter->ctx->parent_ctx);
- if (atomic_dec_and_mutex_lock(&counter->mmap_count, &counter->mmap_mutex)) {
+ WARN_ON_ONCE(event->ctx->parent_ctx);
+ if (atomic_dec_and_mutex_lock(&event->mmap_count, &event->mmap_mutex)) {
struct user_struct *user = current_user();
- atomic_long_sub(counter->data->nr_pages + 1, &user->locked_vm);
- vma->vm_mm->locked_vm -= counter->data->nr_locked;
- perf_mmap_data_free(counter);
- mutex_unlock(&counter->mmap_mutex);
+ atomic_long_sub(event->data->nr_pages + 1, &user->locked_vm);
+ vma->vm_mm->locked_vm -= event->data->nr_locked;
+ perf_mmap_data_free(event);
+ mutex_unlock(&event->mmap_mutex);
}
}
@@ -2262,7 +2262,7 @@ static struct vm_operations_struct perf_mmap_vmops = {
static int perf_mmap(struct file *file, struct vm_area_struct *vma)
{
- struct perf_counter *counter = file->private_data;
+ struct perf_event *event = file->private_data;
unsigned long user_locked, user_lock_limit;
struct user_struct *user = current_user();
unsigned long locked, lock_limit;
@@ -2290,21 +2290,21 @@ static int perf_mmap(struct file *file, struct vm_area_struct *vma)
if (vma->vm_pgoff != 0)
return -EINVAL;
- WARN_ON_ONCE(counter->ctx->parent_ctx);
- mutex_lock(&counter->mmap_mutex);
- if (counter->output) {
+ WARN_ON_ONCE(event->ctx->parent_ctx);
+ mutex_lock(&event->mmap_mutex);
+ if (event->output) {
ret = -EINVAL;
goto unlock;
}
- if (atomic_inc_not_zero(&counter->mmap_count)) {
- if (nr_pages != counter->data->nr_pages)
+ if (atomic_inc_not_zero(&event->mmap_count)) {
+ if (nr_pages != event->data->nr_pages)
ret = -EINVAL;
goto unlock;
}
user_extra = nr_pages + 1;
- user_lock_limit = sysctl_perf_counter_mlock >> (PAGE_SHIFT - 10);
+ user_lock_limit = sysctl_perf_event_mlock >> (PAGE_SHIFT - 10);
/*
* Increase the limit linearly with more CPUs:
@@ -2327,20 +2327,20 @@ static int perf_mmap(struct file *file, struct vm_area_struct *vma)
goto unlock;
}
- WARN_ON(counter->data);
- ret = perf_mmap_data_alloc(counter, nr_pages);
+ WARN_ON(event->data);
+ ret = perf_mmap_data_alloc(event, nr_pages);
if (ret)
goto unlock;
- atomic_set(&counter->mmap_count, 1);
+ atomic_set(&event->mmap_count, 1);
atomic_long_add(user_extra, &user->locked_vm);
vma->vm_mm->locked_vm += extra;
- counter->data->nr_locked = extra;
+ event->data->nr_locked = extra;
if (vma->vm_flags & VM_WRITE)
- counter->data->writable = 1;
+ event->data->writable = 1;
unlock:
- mutex_unlock(&counter->mmap_mutex);
+ mutex_unlock(&event->mmap_mutex);
vma->vm_flags |= VM_RESERVED;
vma->vm_ops = &perf_mmap_vmops;
@@ -2351,11 +2351,11 @@ unlock:
static int perf_fasync(int fd, struct file *filp, int on)
{
struct inode *inode = filp->f_path.dentry->d_inode;
- struct perf_counter *counter = filp->private_data;
+ struct perf_event *event = filp->private_data;
int retval;
mutex_lock(&inode->i_mutex);
- retval = fasync_helper(fd, filp, on, &counter->fasync);
+ retval = fasync_helper(fd, filp, on, &event->fasync);
mutex_unlock(&inode->i_mutex);
if (retval < 0)
@@ -2375,19 +2375,19 @@ static const struct file_operations perf_fops = {
};
/*
- * Perf counter wakeup
+ * Perf event wakeup
*
* If there's data, ensure we set the poll() state and publish everything
* to user-space before waking everybody up.
*/
-void perf_counter_wakeup(struct perf_counter *counter)
+void perf_event_wakeup(struct perf_event *event)
{
- wake_up_all(&counter->waitq);
+ wake_up_all(&event->waitq);
- if (counter->pending_kill) {
- kill_fasync(&counter->fasync, SIGIO, counter->pending_kill);
- counter->pending_kill = 0;
+ if (event->pending_kill) {
+ kill_fasync(&event->fasync, SIGIO, event->pending_kill);
+ event->pending_kill = 0;
}
}
@@ -2400,19 +2400,19 @@ void perf_counter_wakeup(struct perf_counter *counter)
* single linked list and use cmpxchg() to add entries lockless.
*/
-static void perf_pending_counter(struct perf_pending_entry *entry)
+static void perf_pending_event(struct perf_pending_entry *entry)
{
- struct perf_counter *counter = container_of(entry,
- struct perf_counter, pending);
+ struct perf_event *event = container_of(entry,
+ struct perf_event, pending);
- if (counter->pending_disable) {
- counter->pending_disable = 0;
- __perf_counter_disable(counter);
+ if (event->pending_disable) {
+ event->pending_disable = 0;
+ __perf_event_disable(event);
}
- if (counter->pending_wakeup) {
- counter->pending_wakeup = 0;
- perf_counter_wakeup(counter);
+ if (event->pending_wakeup) {
+ event->pending_wakeup = 0;
+ perf_event_wakeup(event);
}
}
@@ -2438,7 +2438,7 @@ static void perf_pending_queue(struct perf_pending_entry *entry,
entry->next = *head;
} while (cmpxchg(head, entry->next, entry) != entry->next);
- set_perf_counter_pending();
+ set_perf_event_pending();
put_cpu_var(perf_pending_head);
}
@@ -2471,7 +2471,7 @@ static int __perf_pending_run(void)
return nr;
}
-static inline int perf_not_pending(struct perf_counter *counter)
+static inline int perf_not_pending(struct perf_event *event)
{
/*
* If we flush on whatever cpu we run, there is a chance we don't
@@ -2486,15 +2486,15 @@ static inline int perf_not_pending(struct perf_counter *counter)
* so that we do not miss the wakeup. -- see perf_pending_handle()
*/
smp_rmb();
- return counter->pending.next == NULL;
+ return event->pending.next == NULL;
}
-static void perf_pending_sync(struct perf_counter *counter)
+static void perf_pending_sync(struct perf_event *event)
{
- wait_event(counter->waitq, perf_not_pending(counter));
+ wait_event(event->waitq, perf_not_pending(event));
}
-void perf_counter_do_pending(void)
+void perf_event_do_pending(void)
{
__perf_pending_run();
}
@@ -2535,25 +2535,25 @@ static void perf_output_wakeup(struct perf_output_handle *handle)
atomic_set(&handle->data->poll, POLL_IN);
if (handle->nmi) {
- handle->counter->pending_wakeup = 1;
- perf_pending_queue(&handle->counter->pending,
- perf_pending_counter);
+ handle->event->pending_wakeup = 1;
+ perf_pending_queue(&handle->event->pending,
+ perf_pending_event);
} else
- perf_counter_wakeup(handle->counter);
+ perf_event_wakeup(handle->event);
}
/*
* Curious locking construct.
*
- * We need to ensure a later event doesn't publish a head when a former
- * event isn't done writing. However since we need to deal with NMIs we
+ * We need to ensure a later event_id doesn't publish a head when a former
+ * event_id isn't done writing. However since we need to deal with NMIs we
* cannot fully serialize things.
*
* What we do is serialize between CPUs so we only have to deal with NMI
* nesting on a single CPU.
*
* We only publish the head (and generate a wakeup) when the outer-most
- * event completes.
+ * event_id completes.
*/
static void perf_output_lock(struct perf_output_handle *handle)
{
@@ -2657,10 +2657,10 @@ void perf_output_copy(struct perf_output_handle *handle,
}
int perf_output_begin(struct perf_output_handle *handle,
- struct perf_counter *counter, unsigned int size,
+ struct perf_event *event, unsigned int size,
int nmi, int sample)
{
- struct perf_counter *output_counter;
+ struct perf_event *output_event;
struct perf_mmap_data *data;
unsigned long tail, offset, head;
int have_lost;
@@ -2672,21 +2672,21 @@ int perf_output_begin(struct perf_output_handle *handle,
rcu_read_lock();
/*
- * For inherited counters we send all the output towards the parent.
+ * For inherited events we send all the output towards the parent.
*/
- if (counter->parent)
- counter = counter->parent;
+ if (event->parent)
+ event = event->parent;
- output_counter = rcu_dereference(counter->output);
- if (output_counter)
- counter = output_counter;
+ output_event = rcu_dereference(event->output);
+ if (output_event)
+ event = output_event;
- data = rcu_dereference(counter->data);
+ data = rcu_dereference(event->data);
if (!data)
goto out;
handle->data = data;
- handle->counter = counter;
+ handle->event = event;
handle->nmi = nmi;
handle->sample = sample;
@@ -2720,10 +2720,10 @@ int perf_output_begin(struct perf_output_handle *handle,
atomic_set(&data->wakeup, 1);
if (have_lost) {
- lost_event.header.type = PERF_EVENT_LOST;
+ lost_event.header.type = PERF_RECORD_LOST;
lost_event.header.misc = 0;
lost_event.header.size = sizeof(lost_event);
- lost_event.id = counter->id;
+ lost_event.id = event->id;
lost_event.lost = atomic_xchg(&data->lost, 0);
perf_output_put(handle, lost_event);
@@ -2742,10 +2742,10 @@ out:
void perf_output_end(struct perf_output_handle *handle)
{
- struct perf_counter *counter = handle->counter;
+ struct perf_event *event = handle->event;
struct perf_mmap_data *data = handle->data;
- int wakeup_events = counter->attr.wakeup_events;
+ int wakeup_events = event->attr.wakeup_events;
if (handle->sample && wakeup_events) {
int events = atomic_inc_return(&data->events);
@@ -2759,58 +2759,58 @@ void perf_output_end(struct perf_output_handle *handle)
rcu_read_unlock();
}
-static u32 perf_counter_pid(struct perf_counter *counter, struct task_struct *p)
+static u32 perf_event_pid(struct perf_event *event, struct task_struct *p)
{
/*
- * only top level counters have the pid namespace they were created in
+ * only top level events have the pid namespace they were created in
*/
- if (counter->parent)
- counter = counter->parent;
+ if (event->parent)
+ event = event->parent;
- return task_tgid_nr_ns(p, counter->ns);
+ return task_tgid_nr_ns(p, event->ns);
}
-static u32 perf_counter_tid(struct perf_counter *counter, struct task_struct *p)
+static u32 perf_event_tid(struct perf_event *event, struct task_struct *p)
{
/*
- * only top level counters have the pid namespace they were created in
+ * only top level events have the pid namespace they were created in
*/
- if (counter->parent)
- counter = counter->parent;
+ if (event->parent)
+ event = event->parent;
- return task_pid_nr_ns(p, counter->ns);
+ return task_pid_nr_ns(p, event->ns);
}
static void perf_output_read_one(struct perf_output_handle *handle,
- struct perf_counter *counter)
+ struct perf_event *event)
{
- u64 read_format = counter->attr.read_format;
+ u64 read_format = event->attr.read_format;
u64 values[4];
int n = 0;
- values[n++] = atomic64_read(&counter->count);
+ values[n++] = atomic64_read(&event->count);
if (read_format & PERF_FORMAT_TOTAL_TIME_ENABLED) {
- values[n++] = counter->total_time_enabled +
- atomic64_read(&counter->child_total_time_enabled);
+ values[n++] = event->total_time_enabled +
+ atomic64_read(&event->child_total_time_enabled);
}
if (read_format & PERF_FORMAT_TOTAL_TIME_RUNNING) {
- values[n++] = counter->total_time_running +
- atomic64_read(&counter->child_total_time_running);
+ values[n++] = event->total_time_running +
+ atomic64_read(&event->child_total_time_running);
}
if (read_format & PERF_FORMAT_ID)
- values[n++] = primary_counter_id(counter);
+ values[n++] = primary_event_id(event);
perf_output_copy(handle, values, n * sizeof(u64));
}
/*
- * XXX PERF_FORMAT_GROUP vs inherited counters seems difficult.
+ * XXX PERF_FORMAT_GROUP vs inherited events seems difficult.
*/
static void perf_output_read_group(struct perf_output_handle *handle,
- struct perf_counter *counter)
+ struct perf_event *event)
{
- struct perf_counter *leader = counter->group_leader, *sub;
- u64 read_format = counter->attr.read_format;
+ struct perf_event *leader = event->group_leader, *sub;
+ u64 read_format = event->attr.read_format;
u64 values[5];
int n = 0;
@@ -2822,42 +2822,42 @@ static void perf_output_read_group(struct perf_output_handle *handle,
if (read_format & PERF_FORMAT_TOTAL_TIME_RUNNING)
values[n++] = leader->total_time_running;
- if (leader != counter)
+ if (leader != event)
leader->pmu->read(leader);
values[n++] = atomic64_read(&leader->count);
if (read_format & PERF_FORMAT_ID)
- values[n++] = primary_counter_id(leader);
+ values[n++] = primary_event_id(leader);
perf_output_copy(handle, values, n * sizeof(u64));
list_for_each_entry(sub, &leader->sibling_list, group_entry) {
n = 0;
- if (sub != counter)
+ if (sub != event)
sub->pmu->read(sub);
values[n++] = atomic64_read(&sub->count);
if (read_format & PERF_FORMAT_ID)
- values[n++] = primary_counter_id(sub);
+ values[n++] = primary_event_id(sub);
perf_output_copy(handle, values, n * sizeof(u64));
}
}
static void perf_output_read(struct perf_output_handle *handle,
- struct perf_counter *counter)
+ struct perf_event *event)
{
- if (counter->attr.read_format & PERF_FORMAT_GROUP)
- perf_output_read_group(handle, counter);
+ if (event->attr.read_format & PERF_FORMAT_GROUP)
+ perf_output_read_group(handle, event);
else
- perf_output_read_one(handle, counter);
+ perf_output_read_one(handle, event);
}
void perf_output_sample(struct perf_output_handle *handle,
struct perf_event_header *header,
struct perf_sample_data *data,
- struct perf_counter *counter)
+ struct perf_event *event)
{
u64 sample_type = data->type;
@@ -2888,7 +2888,7 @@ void perf_output_sample(struct perf_output_handle *handle,
perf_output_put(handle, data->period);
if (sample_type & PERF_SAMPLE_READ)
- perf_output_read(handle, counter);
+ perf_output_read(handle, event);
if (sample_type & PERF_SAMPLE_CALLCHAIN) {
if (data->callchain) {
@@ -2926,14 +2926,14 @@ void perf_output_sample(struct perf_output_handle *handle,
void perf_prepare_sample(struct perf_event_header *header,
struct perf_sample_data *data,
- struct perf_counter *counter,
+ struct perf_event *event,
struct pt_regs *regs)
{
- u64 sample_type = counter->attr.sample_type;
+ u64 sample_type = event->attr.sample_type;
data->type = sample_type;
- header->type = PERF_EVENT_SAMPLE;
+ header->type = PERF_RECORD_SAMPLE;
header->size = sizeof(*header);
header->misc = 0;
@@ -2947,8 +2947,8 @@ void perf_prepare_sample(struct perf_event_header *header,
if (sample_type & PERF_SAMPLE_TID) {
/* namespace issues */
- data->tid_entry.pid = perf_counter_pid(counter, current);
- data->tid_entry.tid = perf_counter_tid(counter, current);
+ data->tid_entry.pid = perf_event_pid(event, current);
+ data->tid_entry.tid = perf_event_tid(event, current);
header->size += sizeof(data->tid_entry);
}
@@ -2963,13 +2963,13 @@ void perf_prepare_sample(struct perf_event_header *header,
header->size += sizeof(data->addr);
if (sample_type & PERF_SAMPLE_ID) {
- data->id = primary_counter_id(counter);
+ data->id = primary_event_id(event);
header->size += sizeof(data->id);
}
if (sample_type & PERF_SAMPLE_STREAM_ID) {
- data->stream_id = counter->id;
+ data->stream_id = event->id;
header->size += sizeof(data->stream_id);
}
@@ -2985,7 +2985,7 @@ void perf_prepare_sample(struct perf_event_header *header,
header->size += sizeof(data->period);
if (sample_type & PERF_SAMPLE_READ)
- header->size += perf_counter_read_size(counter);
+ header->size += perf_event_read_size(event);
if (sample_type & PERF_SAMPLE_CALLCHAIN) {
int size = 1;
@@ -3011,25 +3011,25 @@ void perf_prepare_sample(struct perf_event_header *header,
}
}
-static void perf_counter_output(struct perf_counter *counter, int nmi,
+static void perf_event_output(struct perf_event *event, int nmi,
struct perf_sample_data *data,
struct pt_regs *regs)
{
struct perf_output_handle handle;
struct perf_event_header header;
- perf_prepare_sample(&header, data, counter, regs);
+ perf_prepare_sample(&header, data, event, regs);
- if (perf_output_begin(&handle, counter, header.size, nmi, 1))
+ if (perf_output_begin(&handle, event, header.size, nmi, 1))
return;
- perf_output_sample(&handle, &header, data, counter);
+ perf_output_sample(&handle, &header, data, event);
perf_output_end(&handle);
}
/*
- * read event
+ * read event_id
*/
struct perf_read_event {
@@ -3040,27 +3040,27 @@ struct perf_read_event {
};
static void
-perf_counter_read_event(struct perf_counter *counter,
+perf_event_read_event(struct perf_event *event,
struct task_struct *task)
{
struct perf_output_handle handle;
struct perf_read_event read_event = {
.header = {
- .type = PERF_EVENT_READ,
+ .type = PERF_RECORD_READ,
.misc = 0,
- .size = sizeof(read_event) + perf_counter_read_size(counter),
+ .size = sizeof(read_event) + perf_event_read_size(event),
},
- .pid = perf_counter_pid(counter, task),
- .tid = perf_counter_tid(counter, task),
+ .pid = perf_event_pid(event, task),
+ .tid = perf_event_tid(event, task),
};
int ret;
- ret = perf_output_begin(&handle, counter, read_event.header.size, 0, 0);
+ ret = perf_output_begin(&handle, event, read_event.header.size, 0, 0);
if (ret)
return;
perf_output_put(&handle, read_event);
- perf_output_read(&handle, counter);
+ perf_output_read(&handle, event);
perf_output_end(&handle);
}
@@ -3073,7 +3073,7 @@ perf_counter_read_event(struct perf_counter *counter,
struct perf_task_event {
struct task_struct *task;
- struct perf_counter_context *task_ctx;
+ struct perf_event_context *task_ctx;
struct {
struct perf_event_header header;
@@ -3083,10 +3083,10 @@ struct perf_task_event {
u32 tid;
u32 ptid;
u64 time;
- } event;
+ } event_id;
};
-static void perf_counter_task_output(struct perf_counter *counter,
+static void perf_event_task_output(struct perf_event *event,
struct perf_task_event *task_event)
{
struct perf_output_handle handle;
@@ -3094,85 +3094,85 @@ static void perf_counter_task_output(struct perf_counter *counter,
struct task_struct *task = task_event->task;
int ret;
- size = task_event->event.header.size;
- ret = perf_output_begin(&handle, counter, size, 0, 0);
+ size = task_event->event_id.header.size;
+ ret = perf_output_begin(&handle, event, size, 0, 0);
if (ret)
return;
- task_event->event.pid = perf_counter_pid(counter, task);
- task_event->event.ppid = perf_counter_pid(counter, current);
+ task_event->event_id.pid = perf_event_pid(event, task);
+ task_event->event_id.ppid = perf_event_pid(event, current);
- task_event->event.tid = perf_counter_tid(counter, task);
- task_event->event.ptid = perf_counter_tid(counter, current);
+ task_event->event_id.tid = perf_event_tid(event, task);
+ task_event->event_id.ptid = perf_event_tid(event, current);
- task_event->event.time = perf_clock();
+ task_event->event_id.time = perf_clock();
- perf_output_put(&handle, task_event->event);
+ perf_output_put(&handle, task_event->event_id);
perf_output_end(&handle);
}
-static int perf_counter_task_match(struct perf_counter *counter)
+static int perf_event_task_match(struct perf_event *event)
{
- if (counter->attr.comm || counter->attr.mmap || counter->attr.task)
+ if (event->attr.comm || event->attr.mmap || event->attr.task)
return 1;
return 0;
}
-static void perf_counter_task_ctx(struct perf_counter_context *ctx,
+static void perf_event_task_ctx(struct perf_event_context *ctx,
struct perf_task_event *task_event)
{
- struct perf_counter *counter;
+ struct perf_event *event;
if (system_state != SYSTEM_RUNNING || list_empty(&ctx->event_list))
return;
rcu_read_lock();
- list_for_each_entry_rcu(counter, &ctx->event_list, event_entry) {
- if (perf_counter_task_match(counter))
- perf_counter_task_output(counter, task_event);
+ list_for_each_entry_rcu(event, &ctx->event_list, event_entry) {
+ if (perf_event_task_match(event))
+ perf_event_task_output(event, task_event);
}
rcu_read_unlock();
}
-static void perf_counter_task_event(struct perf_task_event *task_event)
+static void perf_event_task_event(struct perf_task_event *task_event)
{
struct perf_cpu_context *cpuctx;
- struct perf_counter_context *ctx = task_event->task_ctx;
+ struct perf_event_context *ctx = task_event->task_ctx;
cpuctx = &get_cpu_var(perf_cpu_context);
- perf_counter_task_ctx(&cpuctx->ctx, task_event);
+ perf_event_task_ctx(&cpuctx->ctx, task_event);
put_cpu_var(perf_cpu_context);
rcu_read_lock();
if (!ctx)
- ctx = rcu_dereference(task_event->task->perf_counter_ctxp);
+ ctx = rcu_dereference(task_event->task->perf_event_ctxp);
if (ctx)
- perf_counter_task_ctx(ctx, task_event);
+ perf_event_task_ctx(ctx, task_event);
rcu_read_unlock();
}
-static void perf_counter_task(struct task_struct *task,
- struct perf_counter_context *task_ctx,
+static void perf_event_task(struct task_struct *task,
+ struct perf_event_context *task_ctx,
int new)
{
struct perf_task_event task_event;
- if (!atomic_read(&nr_comm_counters) &&
- !atomic_read(&nr_mmap_counters) &&
- !atomic_read(&nr_task_counters))
+ if (!atomic_read(&nr_comm_events) &&
+ !atomic_read(&nr_mmap_events) &&
+ !atomic_read(&nr_task_events))
return;
task_event = (struct perf_task_event){
.task = task,
.task_ctx = task_ctx,
- .event = {
+ .event_id = {
.header = {
- .type = new ? PERF_EVENT_FORK : PERF_EVENT_EXIT,
+ .type = new ? PERF_RECORD_FORK : PERF_RECORD_EXIT,
.misc = 0,
- .size = sizeof(task_event.event),
+ .size = sizeof(task_event.event_id),
},
/* .pid */
/* .ppid */
@@ -3181,12 +3181,12 @@ static void perf_counter_task(struct task_struct *task,
},
};
- perf_counter_task_event(&task_event);
+ perf_event_task_event(&task_event);
}
-void perf_counter_fork(struct task_struct *task)
+void perf_event_fork(struct task_struct *task)
{
- perf_counter_task(task, NULL, 1);
+ perf_event_task(task, NULL, 1);
}
/*
@@ -3203,56 +3203,56 @@ struct perf_comm_event {
u32 pid;
u32 tid;
- } event;
+ } event_id;
};
-static void perf_counter_comm_output(struct perf_counter *counter,
+static void perf_event_comm_output(struct perf_event *event,
struct perf_comm_event *comm_event)
{
struct perf_output_handle handle;
- int size = comm_event->event.header.size;
- int ret = perf_output_begin(&handle, counter, size, 0, 0);
+ int size = comm_event->event_id.header.size;
+ int ret = perf_output_begin(&handle, event, size, 0, 0);
if (ret)
return;
- comm_event->event.pid = perf_counter_pid(counter, comm_event->task);
- comm_event->event.tid = perf_counter_tid(counter, comm_event->task);
+ comm_event->event_id.pid = perf_event_pid(event, comm_event->task);
+ comm_event->event_id.tid = perf_event_tid(event, comm_event->task);
- perf_output_put(&handle, comm_event->event);
+ perf_output_put(&handle, comm_event->event_id);
perf_output_copy(&handle, comm_event->comm,
comm_event->comm_size);
perf_output_end(&handle);
}
-static int perf_counter_comm_match(struct perf_counter *counter)
+static int perf_event_comm_match(struct perf_event *event)
{
- if (counter->attr.comm)
+ if (event->attr.comm)
return 1;
return 0;
}
-static void perf_counter_comm_ctx(struct perf_counter_context *ctx,
+static void perf_event_comm_ctx(struct perf_event_context *ctx,
struct perf_comm_event *comm_event)
{
- struct perf_counter *counter;
+ struct perf_event *event;
if (system_state != SYSTEM_RUNNING || list_empty(&ctx->event_list))
return;
rcu_read_lock();
- list_for_each_entry_rcu(counter, &ctx->event_list, event_entry) {
- if (perf_counter_comm_match(counter))
- perf_counter_comm_output(counter, comm_event);
+ list_for_each_entry_rcu(event, &ctx->event_list, event_entry) {
+ if (perf_event_comm_match(event))
+ perf_event_comm_output(event, comm_event);
}
rcu_read_unlock();
}
-static void perf_counter_comm_event(struct perf_comm_event *comm_event)
+static void perf_event_comm_event(struct perf_comm_event *comm_event)
{
struct perf_cpu_context *cpuctx;
- struct perf_counter_context *ctx;
+ struct perf_event_context *ctx;
unsigned int size;
char comm[TASK_COMM_LEN];
@@ -3263,10 +3263,10 @@ static void perf_counter_comm_event(struct perf_comm_event *comm_event)
comm_event->comm = comm;
comm_event->comm_size = size;
- comm_event->event.header.size = sizeof(comm_event->event) + size;
+ comm_event->event_id.header.size = sizeof(comm_event->event_id) + size;
cpuctx = &get_cpu_var(perf_cpu_context);
- perf_counter_comm_ctx(&cpuctx->ctx, comm_event);
+ perf_event_comm_ctx(&cpuctx->ctx, comm_event);
put_cpu_var(perf_cpu_context);
rcu_read_lock();
@@ -3274,29 +3274,29 @@ static void perf_counter_comm_event(struct perf_comm_event *comm_event)
* doesn't really matter which of the child contexts the
* events ends up in.
*/
- ctx = rcu_dereference(current->perf_counter_ctxp);
+ ctx = rcu_dereference(current->perf_event_ctxp);
if (ctx)
- perf_counter_comm_ctx(ctx, comm_event);
+ perf_event_comm_ctx(ctx, comm_event);
rcu_read_unlock();
}
-void perf_counter_comm(struct task_struct *task)
+void perf_event_comm(struct task_struct *task)
{
struct perf_comm_event comm_event;
- if (task->perf_counter_ctxp)
- perf_counter_enable_on_exec(task);
+ if (task->perf_event_ctxp)
+ perf_event_enable_on_exec(task);
- if (!atomic_read(&nr_comm_counters))
+ if (!atomic_read(&nr_comm_events))
return;
comm_event = (struct perf_comm_event){
.task = task,
/* .comm */
/* .comm_size */
- .event = {
+ .event_id = {
.header = {
- .type = PERF_EVENT_COMM,
+ .type = PERF_RECORD_COMM,
.misc = 0,
/* .size */
},
@@ -3305,7 +3305,7 @@ void perf_counter_comm(struct task_struct *task)
},
};
- perf_counter_comm_event(&comm_event);
+ perf_event_comm_event(&comm_event);
}
/*
@@ -3326,57 +3326,57 @@ struct perf_mmap_event {
u64 start;
u64 len;
u64 pgoff;
- } event;
+ } event_id;
};
-static void perf_counter_mmap_output(struct perf_counter *counter,
+static void perf_event_mmap_output(struct perf_event *event,
struct perf_mmap_event *mmap_event)
{
struct perf_output_handle handle;
- int size = mmap_event->event.header.size;
- int ret = perf_output_begin(&handle, counter, size, 0, 0);
+ int size = mmap_event->event_id.header.size;
+ int ret = perf_output_begin(&handle, event, size, 0, 0);
if (ret)
return;
- mmap_event->event.pid = perf_counter_pid(counter, current);
- mmap_event->event.tid = perf_counter_tid(counter, current);
+ mmap_event->event_id.pid = perf_event_pid(event, current);
+ mmap_event->event_id.tid = perf_event_tid(event, current);
- perf_output_put(&handle, mmap_event->event);
+ perf_output_put(&handle, mmap_event->event_id);
perf_output_copy(&handle, mmap_event->file_name,
mmap_event->file_size);
perf_output_end(&handle);
}
-static int perf_counter_mmap_match(struct perf_counter *counter,
+static int perf_event_mmap_match(struct perf_event *event,
struct perf_mmap_event *mmap_event)
{
- if (counter->attr.mmap)
+ if (event->attr.mmap)
return 1;
return 0;
}
-static void perf_counter_mmap_ctx(struct perf_counter_context *ctx,
+static void perf_event_mmap_ctx(struct perf_event_context *ctx,
struct perf_mmap_event *mmap_event)
{
- struct perf_counter *counter;
+ struct perf_event *event;
if (system_state != SYSTEM_RUNNING || list_empty(&ctx->event_list))
return;
rcu_read_lock();
- list_for_each_entry_rcu(counter, &ctx->event_list, event_entry) {
- if (perf_counter_mmap_match(counter, mmap_event))
- perf_counter_mmap_output(counter, mmap_event);
+ list_for_each_entry_rcu(event, &ctx->event_list, event_entry) {
+ if (perf_event_mmap_match(event, mmap_event))
+ perf_event_mmap_output(event, mmap_event);
}
rcu_read_unlock();
}
-static void perf_counter_mmap_event(struct perf_mmap_event *mmap_event)
+static void perf_event_mmap_event(struct perf_mmap_event *mmap_event)
{
struct perf_cpu_context *cpuctx;
- struct perf_counter_context *ctx;
+ struct perf_event_context *ctx;
struct vm_area_struct *vma = mmap_event->vma;
struct file *file = vma->vm_file;
unsigned int size;
@@ -3424,10 +3424,10 @@ got_name:
mmap_event->file_name = name;
mmap_event->file_size = size;
- mmap_event->event.header.size = sizeof(mmap_event->event) + size;
+ mmap_event->event_id.header.size = sizeof(mmap_event->event_id) + size;
cpuctx = &get_cpu_var(perf_cpu_context);
- perf_counter_mmap_ctx(&cpuctx->ctx, mmap_event);
+ perf_event_mmap_ctx(&cpuctx->ctx, mmap_event);
put_cpu_var(perf_cpu_context);
rcu_read_lock();
@@ -3435,28 +3435,28 @@ got_name:
* doesn't really matter which of the child contexts the
* events ends up in.
*/
- ctx = rcu_dereference(current->perf_counter_ctxp);
+ ctx = rcu_dereference(current->perf_event_ctxp);
if (ctx)
- perf_counter_mmap_ctx(ctx, mmap_event);
+ perf_event_mmap_ctx(ctx, mmap_event);
rcu_read_unlock();
kfree(buf);
}
-void __perf_counter_mmap(struct vm_area_struct *vma)
+void __perf_event_mmap(struct vm_area_struct *vma)
{
struct perf_mmap_event mmap_event;
- if (!atomic_read(&nr_mmap_counters))
+ if (!atomic_read(&nr_mmap_events))
return;
mmap_event = (struct perf_mmap_event){
.vma = vma,
/* .file_name */
/* .file_size */
- .event = {
+ .event_id = {
.header = {
- .type = PERF_EVENT_MMAP,
+ .type = PERF_RECORD_MMAP,
.misc = 0,
/* .size */
},
@@ -3468,14 +3468,14 @@ void __perf_counter_mmap(struct vm_area_struct *vma)
},
};
- perf_counter_mmap_event(&mmap_event);
+ perf_event_mmap_event(&mmap_event);
}
/*
* IRQ throttle logging
*/
-static void perf_log_throttle(struct perf_counter *counter, int enable)
+static void perf_log_throttle(struct perf_event *event, int enable)
{
struct perf_output_handle handle;
int ret;
@@ -3487,19 +3487,19 @@ static void perf_log_throttle(struct perf_counter *counter, int enable)
u64 stream_id;
} throttle_event = {
.header = {
- .type = PERF_EVENT_THROTTLE,
+ .type = PERF_RECORD_THROTTLE,
.misc = 0,
.size = sizeof(throttle_event),
},
.time = perf_clock(),
- .id = primary_counter_id(counter),
- .stream_id = counter->id,
+ .id = primary_event_id(event),
+ .stream_id = event->id,
};
if (enable)
- throttle_event.header.type = PERF_EVENT_UNTHROTTLE;
+ throttle_event.header.type = PERF_RECORD_UNTHROTTLE;
- ret = perf_output_begin(&handle, counter, sizeof(throttle_event), 1, 0);
+ ret = perf_output_begin(&handle, event, sizeof(throttle_event), 1, 0);
if (ret)
return;
@@ -3508,18 +3508,18 @@ static void perf_log_throttle(struct perf_counter *counter, int enable)
}
/*
- * Generic counter overflow handling, sampling.
+ * Generic event overflow handling, sampling.
*/
-static int __perf_counter_overflow(struct perf_counter *counter, int nmi,
+static int __perf_event_overflow(struct perf_event *event, int nmi,
int throttle, struct perf_sample_data *data,
struct pt_regs *regs)
{
- int events = atomic_read(&counter->event_limit);
- struct hw_perf_counter *hwc = &counter->hw;
+ int events = atomic_read(&event->event_limit);
+ struct hw_perf_event *hwc = &event->hw;
int ret = 0;
- throttle = (throttle && counter->pmu->unthrottle != NULL);
+ throttle = (throttle && event->pmu->unthrottle != NULL);
if (!throttle) {
hwc->interrupts++;
@@ -3527,73 +3527,73 @@ static int __perf_counter_overflow(struct perf_counter *counter, int nmi,
if (hwc->interrupts != MAX_INTERRUPTS) {
hwc->interrupts++;
if (HZ * hwc->interrupts >
- (u64)sysctl_perf_counter_sample_rate) {
+ (u64)sysctl_perf_event_sample_rate) {
hwc->interrupts = MAX_INTERRUPTS;
- perf_log_throttle(counter, 0);
+ perf_log_throttle(event, 0);
ret = 1;
}
} else {
/*
- * Keep re-disabling counters even though on the previous
+ * Keep re-disabling events even though on the previous
* pass we disabled it - just in case we raced with a
- * sched-in and the counter got enabled again:
+ * sched-in and the event got enabled again:
*/
ret = 1;
}
}
- if (counter->attr.freq) {
+ if (event->attr.freq) {
u64 now = perf_clock();
s64 delta = now - hwc->freq_stamp;
hwc->freq_stamp = now;
if (delta > 0 && delta < TICK_NSEC)
- perf_adjust_period(counter, NSEC_PER_SEC / (int)delta);
+ perf_adjust_period(event, NSEC_PER_SEC / (int)delta);
}
/*
* XXX event_limit might not quite work as expected on inherited
- * counters
+ * events
*/
- counter->pending_kill = POLL_IN;
- if (events && atomic_dec_and_test(&counter->event_limit)) {
+ event->pending_kill = POLL_IN;
+ if (events && atomic_dec_and_test(&event->event_limit)) {
ret = 1;
- counter->pending_kill = POLL_HUP;
+ event->pending_kill = POLL_HUP;
if (nmi) {
- counter->pending_disable = 1;
- perf_pending_queue(&counter->pending,
- perf_pending_counter);
+ event->pending_disable = 1;
+ perf_pending_queue(&event->pending,
+ perf_pending_event);
} else
- perf_counter_disable(counter);
+ perf_event_disable(event);
}
- perf_counter_output(counter, nmi, data, regs);
+ perf_event_output(event, nmi, data, regs);
return ret;
}
-int perf_counter_overflow(struct perf_counter *counter, int nmi,
+int perf_event_overflow(struct perf_event *event, int nmi,
struct perf_sample_data *data,
struct pt_regs *regs)
{
- return __perf_counter_overflow(counter, nmi, 1, data, regs);
+ return __perf_event_overflow(event, nmi, 1, data, regs);
}
/*
- * Generic software counter infrastructure
+ * Generic software event infrastructure
*/
/*
- * We directly increment counter->count and keep a second value in
- * counter->hw.period_left to count intervals. This period counter
+ * We directly increment event->count and keep a second value in
+ * event->hw.period_left to count intervals. This period event
* is kept in the range [-sample_period, 0] so that we can use the
* sign as trigger.
*/
-static u64 perf_swcounter_set_period(struct perf_counter *counter)
+static u64 perf_swevent_set_period(struct perf_event *event)
{
- struct hw_perf_counter *hwc = &counter->hw;
+ struct hw_perf_event *hwc = &event->hw;
u64 period = hwc->last_period;
u64 nr, offset;
s64 old, val;
@@ -3614,22 +3614,22 @@ again:
return nr;
}
-static void perf_swcounter_overflow(struct perf_counter *counter,
+static void perf_swevent_overflow(struct perf_event *event,
int nmi, struct perf_sample_data *data,
struct pt_regs *regs)
{
- struct hw_perf_counter *hwc = &counter->hw;
+ struct hw_perf_event *hwc = &event->hw;
int throttle = 0;
u64 overflow;
- data->period = counter->hw.last_period;
- overflow = perf_swcounter_set_period(counter);
+ data->period = event->hw.last_period;
+ overflow = perf_swevent_set_period(event);
if (hwc->interrupts == MAX_INTERRUPTS)
return;
for (; overflow; overflow--) {
- if (__perf_counter_overflow(counter, nmi, throttle,
+ if (__perf_event_overflow(event, nmi, throttle,
data, regs)) {
/*
* We inhibit the overflow from happening when
@@ -3641,20 +3641,20 @@ static void perf_swcounter_overflow(struct perf_counter *counter,
}
}
-static void perf_swcounter_unthrottle(struct perf_counter *counter)
+static void perf_swevent_unthrottle(struct perf_event *event)
{
/*
* Nothing to do, we already reset hwc->interrupts.
*/
}
-static void perf_swcounter_add(struct perf_counter *counter, u64 nr,
+static void perf_swevent_add(struct perf_event *event, u64 nr,
int nmi, struct perf_sample_data *data,
struct pt_regs *regs)
{
- struct hw_perf_counter *hwc = &counter->hw;
+ struct hw_perf_event *hwc = &event->hw;
- atomic64_add(nr, &counter->count);
+ atomic64_add(nr, &event->count);
if (!hwc->sample_period)
return;
@@ -3663,29 +3663,29 @@ static void perf_swcounter_add(struct perf_counter *counter, u64 nr,
return;
if (!atomic64_add_negative(nr, &hwc->period_left))
- perf_swcounter_overflow(counter, nmi, data, regs);
+ perf_swevent_overflow(event, nmi, data, regs);
}
-static int perf_swcounter_is_counting(struct perf_counter *counter)
+static int perf_swevent_is_counting(struct perf_event *event)
{
/*
- * The counter is active, we're good!
+ * The event is active, we're good!
*/
- if (counter->state == PERF_COUNTER_STATE_ACTIVE)
+ if (event->state == PERF_EVENT_STATE_ACTIVE)
return 1;
/*
- * The counter is off/error, not counting.
+ * The event is off/error, not counting.
*/
- if (counter->state != PERF_COUNTER_STATE_INACTIVE)
+ if (event->state != PERF_EVENT_STATE_INACTIVE)
return 0;
/*
- * The counter is inactive, if the context is active
+ * The event is inactive, if the context is active
* we're part of a group that didn't make it on the 'pmu',
* not counting.
*/
- if (counter->ctx->is_active)
+ if (event->ctx->is_active)
return 0;
/*
@@ -3696,49 +3696,49 @@ static int perf_swcounter_is_counting(struct perf_counter *counter)
return 1;
}
-static int perf_swcounter_match(struct perf_counter *counter,
+static int perf_swevent_match(struct perf_event *event,
enum perf_type_id type,
u32 event_id, struct pt_regs *regs)
{
- if (!perf_swcounter_is_counting(counter))
+ if (!perf_swevent_is_counting(event))
return 0;
- if (counter->attr.type != type)
+ if (event->attr.type != type)
return 0;
- if (counter->attr.config != event_id)
+ if (event->attr.config != event_id)
return 0;
if (regs) {
- if (counter->attr.exclude_user && user_mode(regs))
+ if (event->attr.exclude_user && user_mode(regs))
return 0;
- if (counter->attr.exclude_kernel && !user_mode(regs))
+ if (event->attr.exclude_kernel && !user_mode(regs))
return 0;
}
return 1;
}
-static void perf_swcounter_ctx_event(struct perf_counter_context *ctx,
+static void perf_swevent_ctx_event(struct perf_event_context *ctx,
enum perf_type_id type,
u32 event_id, u64 nr, int nmi,
struct perf_sample_data *data,
struct pt_regs *regs)
{
- struct perf_counter *counter;
+ struct perf_event *event;
if (system_state != SYSTEM_RUNNING || list_empty(&ctx->event_list))
return;
rcu_read_lock();
- list_for_each_entry_rcu(counter, &ctx->event_list, event_entry) {
- if (perf_swcounter_match(counter, type, event_id, regs))
- perf_swcounter_add(counter, nr, nmi, data, regs);
+ list_for_each_entry_rcu(event, &ctx->event_list, event_entry) {
+ if (perf_swevent_match(event, type, event_id, regs))
+ perf_swevent_add(event, nr, nmi, data, regs);
}
rcu_read_unlock();
}
-static int *perf_swcounter_recursion_context(struct perf_cpu_context *cpuctx)
+static int *perf_swevent_recursion_context(struct perf_cpu_context *cpuctx)
{
if (in_nmi())
return &cpuctx->recursion[3];
@@ -3752,14 +3752,14 @@ static int *perf_swcounter_recursion_context(struct perf_cpu_context *cpuctx)
return &cpuctx->recursion[0];
}
-static void do_perf_swcounter_event(enum perf_type_id type, u32 event,
+static void do_perf_sw_event(enum perf_type_id type, u32 event_id,
u64 nr, int nmi,
struct perf_sample_data *data,
struct pt_regs *regs)
{
struct perf_cpu_context *cpuctx = &get_cpu_var(perf_cpu_context);
- int *recursion = perf_swcounter_recursion_context(cpuctx);
- struct perf_counter_context *ctx;
+ int *recursion = perf_swevent_recursion_context(cpuctx);
+ struct perf_event_context *ctx;
if (*recursion)
goto out;
@@ -3767,16 +3767,16 @@ static void do_perf_swcounter_event(enum perf_type_id type, u32 event,
(*recursion)++;
barrier();
- perf_swcounter_ctx_event(&cpuctx->ctx, type, event,
+ perf_swevent_ctx_event(&cpuctx->ctx, type, event_id,
nr, nmi, data, regs);
rcu_read_lock();
/*
* doesn't really matter which of the child contexts the
* events ends up in.
*/
- ctx = rcu_dereference(current->perf_counter_ctxp);
+ ctx = rcu_dereference(current->perf_event_ctxp);
if (ctx)
- perf_swcounter_ctx_event(ctx, type, event, nr, nmi, data, regs);
+ perf_swevent_ctx_event(ctx, type, event_id, nr, nmi, data, regs);
rcu_read_unlock();
barrier();
@@ -3786,57 +3786,57 @@ out:
put_cpu_var(perf_cpu_context);
}
-void __perf_swcounter_event(u32 event, u64 nr, int nmi,
+void __perf_sw_event(u32 event_id, u64 nr, int nmi,
struct pt_regs *regs, u64 addr)
{
struct perf_sample_data data = {
.addr = addr,
};
- do_perf_swcounter_event(PERF_TYPE_SOFTWARE, event, nr, nmi,
+ do_perf_sw_event(PERF_TYPE_SOFTWARE, event_id, nr, nmi,
&data, regs);
}
-static void perf_swcounter_read(struct perf_counter *counter)
+static void perf_swevent_read(struct perf_event *event)
{
}
-static int perf_swcounter_enable(struct perf_counter *counter)
+static int perf_swevent_enable(struct perf_event *event)
{
- struct hw_perf_counter *hwc = &counter->hw;
+ struct hw_perf_event *hwc = &event->hw;
if (hwc->sample_period) {
hwc->last_period = hwc->sample_period;
- perf_swcounter_set_period(counter);
+ perf_swevent_set_period(event);
}
return 0;
}
-static void perf_swcounter_disable(struct perf_counter *counter)
+static void perf_swevent_disable(struct perf_event *event)
{
}
static const struct pmu perf_ops_generic = {
- .enable = perf_swcounter_enable,
- .disable = perf_swcounter_disable,
- .read = perf_swcounter_read,
- .unthrottle = perf_swcounter_unthrottle,
+ .enable = perf_swevent_enable,
+ .disable = perf_swevent_disable,
+ .read = perf_swevent_read,
+ .unthrottle = perf_swevent_unthrottle,
};
/*
- * hrtimer based swcounter callback
+ * hrtimer based swevent callback
*/
-static enum hrtimer_restart perf_swcounter_hrtimer(struct hrtimer *hrtimer)
+static enum hrtimer_restart perf_swevent_hrtimer(struct hrtimer *hrtimer)
{
enum hrtimer_restart ret = HRTIMER_RESTART;
struct perf_sample_data data;
struct pt_regs *regs;
- struct perf_counter *counter;
+ struct perf_event *event;
u64 period;
- counter = container_of(hrtimer, struct perf_counter, hw.hrtimer);
- counter->pmu->read(counter);
+ event = container_of(hrtimer, struct perf_event, hw.hrtimer);
+ event->pmu->read(event);
data.addr = 0;
regs = get_irq_regs();
@@ -3844,45 +3844,45 @@ static enum hrtimer_restart perf_swcounter_hrtimer(struct hrtimer *hrtimer)
* In case we exclude kernel IPs or are somehow not in interrupt
* context, provide the next best thing, the user IP.
*/
- if ((counter->attr.exclude_kernel || !regs) &&
- !counter->attr.exclude_user)
+ if ((event->attr.exclude_kernel || !regs) &&
+ !event->attr.exclude_user)
regs = task_pt_regs(current);
if (regs) {
- if (perf_counter_overflow(counter, 0, &data, regs))
+ if (perf_event_overflow(event, 0, &data, regs))
ret = HRTIMER_NORESTART;
}
- period = max_t(u64, 10000, counter->hw.sample_period);
+ period = max_t(u64, 10000, event->hw.sample_period);
hrtimer_forward_now(hrtimer, ns_to_ktime(period));
return ret;
}
/*
- * Software counter: cpu wall time clock
+ * Software event: cpu wall time clock
*/
-static void cpu_clock_perf_counter_update(struct perf_counter *counter)
+static void cpu_clock_perf_event_update(struct perf_event *event)
{
int cpu = raw_smp_processor_id();
s64 prev;
u64 now;
now = cpu_clock(cpu);
- prev = atomic64_read(&counter->hw.prev_count);
- atomic64_set(&counter->hw.prev_count, now);
- atomic64_add(now - prev, &counter->count);
+ prev = atomic64_read(&event->hw.prev_count);
+ atomic64_set(&event->hw.prev_count, now);
+ atomic64_add(now - prev, &event->count);
}
-static int cpu_clock_perf_counter_enable(struct perf_counter *counter)
+static int cpu_clock_perf_event_enable(struct perf_event *event)
{
- struct hw_perf_counter *hwc = &counter->hw;
+ struct hw_perf_event *hwc = &event->hw;
int cpu = raw_smp_processor_id();
atomic64_set(&hwc->prev_count, cpu_clock(cpu));
hrtimer_init(&hwc->hrtimer, CLOCK_MONOTONIC, HRTIMER_MODE_REL);
- hwc->hrtimer.function = perf_swcounter_hrtimer;
+ hwc->hrtimer.function = perf_swevent_hrtimer;
if (hwc->sample_period) {
u64 period = max_t(u64, 10000, hwc->sample_period);
__hrtimer_start_range_ns(&hwc->hrtimer,
@@ -3893,48 +3893,48 @@ static int cpu_clock_perf_counter_enable(struct perf_counter *counter)
return 0;
}
-static void cpu_clock_perf_counter_disable(struct perf_counter *counter)
+static void cpu_clock_perf_event_disable(struct perf_event *event)
{
- if (counter->hw.sample_period)
- hrtimer_cancel(&counter->hw.hrtimer);
- cpu_clock_perf_counter_update(counter);
+ if (event->hw.sample_period)
+ hrtimer_cancel(&event->hw.hrtimer);
+ cpu_clock_perf_event_update(event);
}
-static void cpu_clock_perf_counter_read(struct perf_counter *counter)
+static void cpu_clock_perf_event_read(struct perf_event *event)
{
- cpu_clock_perf_counter_update(counter);
+ cpu_clock_perf_event_update(event);
}
static const struct pmu perf_ops_cpu_clock = {
- .enable = cpu_clock_perf_counter_enable,
- .disable = cpu_clock_perf_counter_disable,
- .read = cpu_clock_perf_counter_read,
+ .enable = cpu_clock_perf_event_enable,
+ .disable = cpu_clock_perf_event_disable,
+ .read = cpu_clock_perf_event_read,
};
/*
- * Software counter: task time clock
+ * Software event: task time clock
*/
-static void task_clock_perf_counter_update(struct perf_counter *counter, u64 now)
+static void task_clock_perf_event_update(struct perf_event *event, u64 now)
{
u64 prev;
s64 delta;
- prev = atomic64_xchg(&counter->hw.prev_count, now);
+ prev = atomic64_xchg(&event->hw.prev_count, now);
delta = now - prev;
- atomic64_add(delta, &counter->count);
+ atomic64_add(delta, &event->count);
}
-static int task_clock_perf_counter_enable(struct perf_counter *counter)
+static int task_clock_perf_event_enable(struct perf_event *event)
{
- struct hw_perf_counter *hwc = &counter->hw;
+ struct hw_perf_event *hwc = &event->hw;
u64 now;
- now = counter->ctx->time;
+ now = event->ctx->time;
atomic64_set(&hwc->prev_count, now);
hrtimer_init(&hwc->hrtimer, CLOCK_MONOTONIC, HRTIMER_MODE_REL);
- hwc->hrtimer.function = perf_swcounter_hrtimer;
+ hwc->hrtimer.function = perf_swevent_hrtimer;
if (hwc->sample_period) {
u64 period = max_t(u64, 10000, hwc->sample_period);
__hrtimer_start_range_ns(&hwc->hrtimer,
@@ -3945,38 +3945,38 @@ static int task_clock_perf_counter_enable(struct perf_counter *counter)
return 0;
}
-static void task_clock_perf_counter_disable(struct perf_counter *counter)
+static void task_clock_perf_event_disable(struct perf_event *event)
{
- if (counter->hw.sample_period)
- hrtimer_cancel(&counter->hw.hrtimer);
- task_clock_perf_counter_update(counter, counter->ctx->time);
+ if (event->hw.sample_period)
+ hrtimer_cancel(&event->hw.hrtimer);
+ task_clock_perf_event_update(event, event->ctx->time);
}
-static void task_clock_perf_counter_read(struct perf_counter *counter)
+static void task_clock_perf_event_read(struct perf_event *event)
{
u64 time;
if (!in_nmi()) {
- update_context_time(counter->ctx);
- time = counter->ctx->time;
+ update_context_time(event->ctx);
+ time = event->ctx->time;
} else {
u64 now = perf_clock();
- u64 delta = now - counter->ctx->timestamp;
- time = counter->ctx->time + delta;
+ u64 delta = now - event->ctx->timestamp;
+ time = event->ctx->time + delta;
}
- task_clock_perf_counter_update(counter, time);
+ task_clock_perf_event_update(event, time);
}
static const struct pmu perf_ops_task_clock = {
- .enable = task_clock_perf_counter_enable,
- .disable = task_clock_perf_counter_disable,
- .read = task_clock_perf_counter_read,
+ .enable = task_clock_perf_event_enable,
+ .disable = task_clock_perf_event_disable,
+ .read = task_clock_perf_event_read,
};
#ifdef CONFIG_EVENT_PROFILE
-void perf_tpcounter_event(int event_id, u64 addr, u64 count, void *record,
+void perf_tp_event(int event_id, u64 addr, u64 count, void *record,
int entry_size)
{
struct perf_raw_record raw = {
@@ -3994,62 +3994,62 @@ void perf_tpcounter_event(int event_id, u64 addr, u64 count, void *record,
if (!regs)
regs = task_pt_regs(current);
- do_perf_swcounter_event(PERF_TYPE_TRACEPOINT, event_id, count, 1,
+ do_perf_sw_event(PERF_TYPE_TRACEPOINT, event_id, count, 1,
&data, regs);
}
-EXPORT_SYMBOL_GPL(perf_tpcounter_event);
+EXPORT_SYMBOL_GPL(perf_tp_event);
extern int ftrace_profile_enable(int);
extern void ftrace_profile_disable(int);
-static void tp_perf_counter_destroy(struct perf_counter *counter)
+static void tp_perf_event_destroy(struct perf_event *event)
{
- ftrace_profile_disable(counter->attr.config);
+ ftrace_profile_disable(event->attr.config);
}
-static const struct pmu *tp_perf_counter_init(struct perf_counter *counter)
+static const struct pmu *tp_perf_event_init(struct perf_event *event)
{
/*
* Raw tracepoint data is a severe data leak, only allow root to
* have these.
*/
- if ((counter->attr.sample_type & PERF_SAMPLE_RAW) &&
+ if ((event->attr.sample_type & PERF_SAMPLE_RAW) &&
perf_paranoid_tracepoint_raw() &&
!capable(CAP_SYS_ADMIN))
return ERR_PTR(-EPERM);
- if (ftrace_profile_enable(counter->attr.config))
+ if (ftrace_profile_enable(event->attr.config))
return NULL;
- counter->destroy = tp_perf_counter_destroy;
+ event->destroy = tp_perf_event_destroy;
return &perf_ops_generic;
}
#else
-static const struct pmu *tp_perf_counter_init(struct perf_counter *counter)
+static const struct pmu *tp_perf_event_init(struct perf_event *event)
{
return NULL;
}
#endif
-atomic_t perf_swcounter_enabled[PERF_COUNT_SW_MAX];
+atomic_t perf_swevent_enabled[PERF_COUNT_SW_MAX];
-static void sw_perf_counter_destroy(struct perf_counter *counter)
+static void sw_perf_event_destroy(struct perf_event *event)
{
- u64 event_id = counter->attr.config;
+ u64 event_id = event->attr.config;
- WARN_ON(counter->parent);
+ WARN_ON(event->parent);
- atomic_dec(&perf_swcounter_enabled[event_id]);
+ atomic_dec(&perf_swevent_enabled[event_id]);
}
-static const struct pmu *sw_perf_counter_init(struct perf_counter *counter)
+static const struct pmu *sw_perf_event_init(struct perf_event *event)
{
const struct pmu *pmu = NULL;
- u64 event_id = counter->attr.config;
+ u64 event_id = event->attr.config;
/*
- * Software counters (currently) can't in general distinguish
+ * Software events (currently) can't in general distinguish
* between user, kernel and hypervisor events.
* However, context switches and cpu migrations are considered
* to be kernel events, and page faults are never hypervisor
@@ -4062,10 +4062,10 @@ static const struct pmu *sw_perf_counter_init(struct perf_counter *counter)
break;
case PERF_COUNT_SW_TASK_CLOCK:
/*
- * If the user instantiates this as a per-cpu counter,
- * use the cpu_clock counter instead.
+ * If the user instantiates this as a per-cpu event,
+ * use the cpu_clock event instead.
*/
- if (counter->ctx->task)
+ if (event->ctx->task)
pmu = &perf_ops_task_clock;
else
pmu = &perf_ops_cpu_clock;
@@ -4076,9 +4076,9 @@ static const struct pmu *sw_perf_counter_init(struct perf_counter *counter)
case PERF_COUNT_SW_PAGE_FAULTS_MAJ:
case PERF_COUNT_SW_CONTEXT_SWITCHES:
case PERF_COUNT_SW_CPU_MIGRATIONS:
- if (!counter->parent) {
- atomic_inc(&perf_swcounter_enabled[event_id]);
- counter->destroy = sw_perf_counter_destroy;
+ if (!event->parent) {
+ atomic_inc(&perf_swevent_enabled[event_id]);
+ event->destroy = sw_perf_event_destroy;
}
pmu = &perf_ops_generic;
break;
@@ -4088,62 +4088,62 @@ static const struct pmu *sw_perf_counter_init(struct perf_counter *counter)
}
/*
- * Allocate and initialize a counter structure
+ * Allocate and initialize a event structure
*/
-static struct perf_counter *
-perf_counter_alloc(struct perf_counter_attr *attr,
+static struct perf_event *
+perf_event_alloc(struct perf_event_attr *attr,
int cpu,
- struct perf_counter_context *ctx,
- struct perf_counter *group_leader,
- struct perf_counter *parent_counter,
+ struct perf_event_context *ctx,
+ struct perf_event *group_leader,
+ struct perf_event *parent_event,
gfp_t gfpflags)
{
const struct pmu *pmu;
- struct perf_counter *counter;
- struct hw_perf_counter *hwc;
+ struct perf_event *event;
+ struct hw_perf_event *hwc;
long err;
- counter = kzalloc(sizeof(*counter), gfpflags);
- if (!counter)
+ event = kzalloc(sizeof(*event), gfpflags);
+ if (!event)
return ERR_PTR(-ENOMEM);
/*
- * Single counters are their own group leaders, with an
+ * Single events are their own group leaders, with an
* empty sibling list:
*/
if (!group_leader)
- group_leader = counter;
+ group_leader = event;
- mutex_init(&counter->child_mutex);
- INIT_LIST_HEAD(&counter->child_list);
+ mutex_init(&event->child_mutex);
+ INIT_LIST_HEAD(&event->child_list);
- INIT_LIST_HEAD(&counter->group_entry);
- INIT_LIST_HEAD(&counter->event_entry);
- INIT_LIST_HEAD(&counter->sibling_list);
- init_waitqueue_head(&counter->waitq);
+ INIT_LIST_HEAD(&event->group_entry);
+ INIT_LIST_HEAD(&event->event_entry);
+ INIT_LIST_HEAD(&event->sibling_list);
+ init_waitqueue_head(&event->waitq);
- mutex_init(&counter->mmap_mutex);
+ mutex_init(&event->mmap_mutex);
- counter->cpu = cpu;
- counter->attr = *attr;
- counter->group_leader = group_leader;
- counter->pmu = NULL;
- counter->ctx = ctx;
- counter->oncpu = -1;
+ event->cpu = cpu;
+ event->attr = *attr;
+ event->group_leader = group_leader;
+ event->pmu = NULL;
+ event->ctx = ctx;
+ event->oncpu = -1;
- counter->parent = parent_counter;
+ event->parent = parent_event;
- counter->ns = get_pid_ns(current->nsproxy->pid_ns);
- counter->id = atomic64_inc_return(&perf_counter_id);
+ event->ns = get_pid_ns(current->nsproxy->pid_ns);
+ event->id = atomic64_inc_return(&perf_event_id);
- counter->state = PERF_COUNTER_STATE_INACTIVE;
+ event->state = PERF_EVENT_STATE_INACTIVE;
if (attr->disabled)
- counter->state = PERF_COUNTER_STATE_OFF;
+ event->state = PERF_EVENT_STATE_OFF;
pmu = NULL;
- hwc = &counter->hw;
+ hwc = &event->hw;
hwc->sample_period = attr->sample_period;
if (attr->freq && attr->sample_freq)
hwc->sample_period = 1;
@@ -4152,7 +4152,7 @@ perf_counter_alloc(struct perf_counter_attr *attr,
atomic64_set(&hwc->period_left, hwc->sample_period);
/*
- * we currently do not support PERF_FORMAT_GROUP on inherited counters
+ * we currently do not support PERF_FORMAT_GROUP on inherited events
*/
if (attr->inherit && (attr->read_format & PERF_FORMAT_GROUP))
goto done;
@@ -4161,15 +4161,15 @@ perf_counter_alloc(struct perf_counter_attr *attr,
case PERF_TYPE_RAW:
case PERF_TYPE_HARDWARE:
case PERF_TYPE_HW_CACHE:
- pmu = hw_perf_counter_init(counter);
+ pmu = hw_perf_event_init(event);
break;
case PERF_TYPE_SOFTWARE:
- pmu = sw_perf_counter_init(counter);
+ pmu = sw_perf_event_init(event);
break;
case PERF_TYPE_TRACEPOINT:
- pmu = tp_perf_counter_init(counter);
+ pmu = tp_perf_event_init(event);
break;
default:
@@ -4183,29 +4183,29 @@ done:
err = PTR_ERR(pmu);
if (err) {
- if (counter->ns)
- put_pid_ns(counter->ns);
- kfree(counter);
+ if (event->ns)
+ put_pid_ns(event->ns);
+ kfree(event);
return ERR_PTR(err);
}
- counter->pmu = pmu;
+ event->pmu = pmu;
- if (!counter->parent) {
- atomic_inc(&nr_counters);
- if (counter->attr.mmap)
- atomic_inc(&nr_mmap_counters);
- if (counter->attr.comm)
- atomic_inc(&nr_comm_counters);
- if (counter->attr.task)
- atomic_inc(&nr_task_counters);
+ if (!event->parent) {
+ atomic_inc(&nr_events);
+ if (event->attr.mmap)
+ atomic_inc(&nr_mmap_events);
+ if (event->attr.comm)
+ atomic_inc(&nr_comm_events);
+ if (event->attr.task)
+ atomic_inc(&nr_task_events);
}
- return counter;
+ return event;
}
-static int perf_copy_attr(struct perf_counter_attr __user *uattr,
- struct perf_counter_attr *attr)
+static int perf_copy_attr(struct perf_event_attr __user *uattr,
+ struct perf_event_attr *attr)
{
u32 size;
int ret;
@@ -4284,11 +4284,11 @@ err_size:
goto out;
}
-int perf_counter_set_output(struct perf_counter *counter, int output_fd)
+int perf_event_set_output(struct perf_event *event, int output_fd)
{
- struct perf_counter *output_counter = NULL;
+ struct perf_event *output_event = NULL;
struct file *output_file = NULL;
- struct perf_counter *old_output;
+ struct perf_event *old_output;
int fput_needed = 0;
int ret = -EINVAL;
@@ -4302,28 +4302,28 @@ int perf_counter_set_output(struct perf_counter *counter, int output_fd)
if (output_file->f_op != &perf_fops)
goto out;
- output_counter = output_file->private_data;
+ output_event = output_file->private_data;
/* Don't chain output fds */
- if (output_counter->output)
+ if (output_event->output)
goto out;
/* Don't set an output fd when we already have an output channel */
- if (counter->data)
+ if (event->data)
goto out;
atomic_long_inc(&output_file->f_count);
set:
- mutex_lock(&counter->mmap_mutex);
- old_output = counter->output;
- rcu_assign_pointer(counter->output, output_counter);
- mutex_unlock(&counter->mmap_mutex);
+ mutex_lock(&event->mmap_mutex);
+ old_output = event->output;
+ rcu_assign_pointer(event->output, output_event);
+ mutex_unlock(&event->mmap_mutex);
if (old_output) {
/*
* we need to make sure no existing perf_output_*()
- * is still referencing this counter.
+ * is still referencing this event.
*/
synchronize_rcu();
fput(old_output->filp);
@@ -4336,21 +4336,21 @@ out:
}
/**
- * sys_perf_counter_open - open a performance counter, associate it to a task/cpu
+ * sys_perf_event_open - open a performance event, associate it to a task/cpu
*
- * @attr_uptr: event type attributes for monitoring/sampling
+ * @attr_uptr: event_id type attributes for monitoring/sampling
* @pid: target pid
* @cpu: target cpu
- * @group_fd: group leader counter fd
+ * @group_fd: group leader event fd
*/
-SYSCALL_DEFINE5(perf_counter_open,
- struct perf_counter_attr __user *, attr_uptr,
+SYSCALL_DEFINE5(perf_event_open,
+ struct perf_event_attr __user *, attr_uptr,
pid_t, pid, int, cpu, int, group_fd, unsigned long, flags)
{
- struct perf_counter *counter, *group_leader;
- struct perf_counter_attr attr;
- struct perf_counter_context *ctx;
- struct file *counter_file = NULL;
+ struct perf_event *event, *group_leader;
+ struct perf_event_attr attr;
+ struct perf_event_context *ctx;
+ struct file *event_file = NULL;
struct file *group_file = NULL;
int fput_needed = 0;
int fput_needed2 = 0;
@@ -4370,7 +4370,7 @@ SYSCALL_DEFINE5(perf_counter_open,
}
if (attr.freq) {
- if (attr.sample_freq > sysctl_perf_counter_sample_rate)
+ if (attr.sample_freq > sysctl_perf_event_sample_rate)
return -EINVAL;
}
@@ -4382,7 +4382,7 @@ SYSCALL_DEFINE5(perf_counter_open,
return PTR_ERR(ctx);
/*
- * Look up the group leader (we will attach this counter to it):
+ * Look up the group leader (we will attach this event to it):
*/
group_leader = NULL;
if (group_fd != -1 && !(flags & PERF_FLAG_FD_NO_GROUP)) {
@@ -4413,45 +4413,45 @@ SYSCALL_DEFINE5(perf_counter_open,
goto err_put_context;
}
- counter = perf_counter_alloc(&attr, cpu, ctx, group_leader,
+ event = perf_event_alloc(&attr, cpu, ctx, group_leader,
NULL, GFP_KERNEL);
- err = PTR_ERR(counter);
- if (IS_ERR(counter))
+ err = PTR_ERR(event);
+ if (IS_ERR(event))
goto err_put_context;
- err = anon_inode_getfd("[perf_counter]", &perf_fops, counter, 0);
+ err = anon_inode_getfd("[perf_event]", &perf_fops, event, 0);
if (err < 0)
goto err_free_put_context;
- counter_file = fget_light(err, &fput_needed2);
- if (!counter_file)
+ event_file = fget_light(err, &fput_needed2);
+ if (!event_file)
goto err_free_put_context;
if (flags & PERF_FLAG_FD_OUTPUT) {
- err = perf_counter_set_output(counter, group_fd);
+ err = perf_event_set_output(event, group_fd);
if (err)
goto err_fput_free_put_context;
}
- counter->filp = counter_file;
+ event->filp = event_file;
WARN_ON_ONCE(ctx->parent_ctx);
mutex_lock(&ctx->mutex);
- perf_install_in_context(ctx, counter, cpu);
+ perf_install_in_context(ctx, event, cpu);
++ctx->generation;
mutex_unlock(&ctx->mutex);
- counter->owner = current;
+ event->owner = current;
get_task_struct(current);
- mutex_lock(&current->perf_counter_mutex);
- list_add_tail(&counter->owner_entry, &current->perf_counter_list);
- mutex_unlock(&current->perf_counter_mutex);
+ mutex_lock(&current->perf_event_mutex);
+ list_add_tail(&event->owner_entry, &current->perf_event_list);
+ mutex_unlock(&current->perf_event_mutex);
err_fput_free_put_context:
- fput_light(counter_file, fput_needed2);
+ fput_light(event_file, fput_needed2);
err_free_put_context:
if (err < 0)
- kfree(counter);
+ kfree(event);
err_put_context:
if (err < 0)
@@ -4463,88 +4463,88 @@ err_put_context:
}
/*
- * inherit a counter from parent task to child task:
+ * inherit a event from parent task to child task:
*/
-static struct perf_counter *
-inherit_counter(struct perf_counter *parent_counter,
+static struct perf_event *
+inherit_event(struct perf_event *parent_event,
struct task_struct *parent,
- struct perf_counter_context *parent_ctx,
+ struct perf_event_context *parent_ctx,
struct task_struct *child,
- struct perf_counter *group_leader,
- struct perf_counter_context *child_ctx)
+ struct perf_event *group_leader,
+ struct perf_event_context *child_ctx)
{
- struct perf_counter *child_counter;
+ struct perf_event *child_event;
/*
- * Instead of creating recursive hierarchies of counters,
- * we link inherited counters back to the original parent,
+ * Instead of creating recursive hierarchies of events,
+ * we link inherited events back to the original parent,
* which has a filp for sure, which we use as the reference
* count:
*/
- if (parent_counter->parent)
- parent_counter = parent_counter->parent;
+ if (parent_event->parent)
+ parent_event = parent_event->parent;
- child_counter = perf_counter_alloc(&parent_counter->attr,
- parent_counter->cpu, child_ctx,
- group_leader, parent_counter,
+ child_event = perf_event_alloc(&parent_event->attr,
+ parent_event->cpu, child_ctx,
+ group_leader, parent_event,
GFP_KERNEL);
- if (IS_ERR(child_counter))
- return child_counter;
+ if (IS_ERR(child_event))
+ return child_event;
get_ctx(child_ctx);
/*
- * Make the child state follow the state of the parent counter,
+ * Make the child state follow the state of the parent event,
* not its attr.disabled bit. We hold the parent's mutex,
- * so we won't race with perf_counter_{en, dis}able_family.
+ * so we won't race with perf_event_{en, dis}able_family.
*/
- if (parent_counter->state >= PERF_COUNTER_STATE_INACTIVE)
- child_counter->state = PERF_COUNTER_STATE_INACTIVE;
+ if (parent_event->state >= PERF_EVENT_STATE_INACTIVE)
+ child_event->state = PERF_EVENT_STATE_INACTIVE;
else
- child_counter->state = PERF_COUNTER_STATE_OFF;
+ child_event->state = PERF_EVENT_STATE_OFF;
- if (parent_counter->attr.freq)
- child_counter->hw.sample_period = parent_counter->hw.sample_period;
+ if (parent_event->attr.freq)
+ child_event->hw.sample_period = parent_event->hw.sample_period;
/*
* Link it up in the child's context:
*/
- add_counter_to_ctx(child_counter, child_ctx);
+ add_event_to_ctx(child_event, child_ctx);
/*
* Get a reference to the parent filp - we will fput it
- * when the child counter exits. This is safe to do because
+ * when the child event exits. This is safe to do because
* we are in the parent and we know that the filp still
* exists and has a nonzero count:
*/
- atomic_long_inc(&parent_counter->filp->f_count);
+ atomic_long_inc(&parent_event->filp->f_count);
/*
- * Link this into the parent counter's child list
+ * Link this into the parent event's child list
*/
- WARN_ON_ONCE(parent_counter->ctx->parent_ctx);
- mutex_lock(&parent_counter->child_mutex);
- list_add_tail(&child_counter->child_list, &parent_counter->child_list);
- mutex_unlock(&parent_counter->child_mutex);
+ WARN_ON_ONCE(parent_event->ctx->parent_ctx);
+ mutex_lock(&parent_event->child_mutex);
+ list_add_tail(&child_event->child_list, &parent_event->child_list);
+ mutex_unlock(&parent_event->child_mutex);
- return child_counter;
+ return child_event;
}
-static int inherit_group(struct perf_counter *parent_counter,
+static int inherit_group(struct perf_event *parent_event,
struct task_struct *parent,
- struct perf_counter_context *parent_ctx,
+ struct perf_event_context *parent_ctx,
struct task_struct *child,
- struct perf_counter_context *child_ctx)
+ struct perf_event_context *child_ctx)
{
- struct perf_counter *leader;
- struct perf_counter *sub;
- struct perf_counter *child_ctr;
+ struct perf_event *leader;
+ struct perf_event *sub;
+ struct perf_event *child_ctr;
- leader = inherit_counter(parent_counter, parent, parent_ctx,
+ leader = inherit_event(parent_event, parent, parent_ctx,
child, NULL, child_ctx);
if (IS_ERR(leader))
return PTR_ERR(leader);
- list_for_each_entry(sub, &parent_counter->sibling_list, group_entry) {
- child_ctr = inherit_counter(sub, parent, parent_ctx,
+ list_for_each_entry(sub, &parent_event->sibling_list, group_entry) {
+ child_ctr = inherit_event(sub, parent, parent_ctx,
child, leader, child_ctx);
if (IS_ERR(child_ctr))
return PTR_ERR(child_ctr);
@@ -4552,74 +4552,74 @@ static int inherit_group(struct perf_counter *parent_counter,
return 0;
}
-static void sync_child_counter(struct perf_counter *child_counter,
+static void sync_child_event(struct perf_event *child_event,
struct task_struct *child)
{
- struct perf_counter *parent_counter = child_counter->parent;
+ struct perf_event *parent_event = child_event->parent;
u64 child_val;
- if (child_counter->attr.inherit_stat)
- perf_counter_read_event(child_counter, child);
+ if (child_event->attr.inherit_stat)
+ perf_event_read_event(child_event, child);
- child_val = atomic64_read(&child_counter->count);
+ child_val = atomic64_read(&child_event->count);
/*
* Add back the child's count to the parent's count:
*/
- atomic64_add(child_val, &parent_counter->count);
- atomic64_add(child_counter->total_time_enabled,
- &parent_counter->child_total_time_enabled);
- atomic64_add(child_counter->total_time_running,
- &parent_counter->child_total_time_running);
+ atomic64_add(child_val, &parent_event->count);
+ atomic64_add(child_event->total_time_enabled,
+ &parent_event->child_total_time_enabled);
+ atomic64_add(child_event->total_time_running,
+ &parent_event->child_total_time_running);
/*
- * Remove this counter from the parent's list
+ * Remove this event from the parent's list
*/
- WARN_ON_ONCE(parent_counter->ctx->parent_ctx);
- mutex_lock(&parent_counter->child_mutex);
- list_del_init(&child_counter->child_list);
- mutex_unlock(&parent_counter->child_mutex);
+ WARN_ON_ONCE(parent_event->ctx->parent_ctx);
+ mutex_lock(&parent_event->child_mutex);
+ list_del_init(&child_event->child_list);
+ mutex_unlock(&parent_event->child_mutex);
/*
- * Release the parent counter, if this was the last
+ * Release the parent event, if this was the last
* reference to it.
*/
- fput(parent_counter->filp);
+ fput(parent_event->filp);
}
static void
-__perf_counter_exit_task(struct perf_counter *child_counter,
- struct perf_counter_context *child_ctx,
+__perf_event_exit_task(struct perf_event *child_event,
+ struct perf_event_context *child_ctx,
struct task_struct *child)
{
- struct perf_counter *parent_counter;
+ struct perf_event *parent_event;
- update_counter_times(child_counter);
- perf_counter_remove_from_context(child_counter);
+ update_event_times(child_event);
+ perf_event_remove_from_context(child_event);
- parent_counter = child_counter->parent;
+ parent_event = child_event->parent;
/*
- * It can happen that parent exits first, and has counters
+ * It can happen that parent exits first, and has events
* that are still around due to the child reference. These
- * counters need to be zapped - but otherwise linger.
+ * events need to be zapped - but otherwise linger.
*/
- if (parent_counter) {
- sync_child_counter(child_counter, child);
- free_counter(child_counter);
+ if (parent_event) {
+ sync_child_event(child_event, child);
+ free_event(child_event);
}
}
/*
- * When a child task exits, feed back counter values to parent counters.
+ * When a child task exits, feed back event values to parent events.
*/
-void perf_counter_exit_task(struct task_struct *child)
+void perf_event_exit_task(struct task_struct *child)
{
- struct perf_counter *child_counter, *tmp;
- struct perf_counter_context *child_ctx;
+ struct perf_event *child_event, *tmp;
+ struct perf_event_context *child_ctx;
unsigned long flags;
- if (likely(!child->perf_counter_ctxp)) {
- perf_counter_task(child, NULL, 0);
+ if (likely(!child->perf_event_ctxp)) {
+ perf_event_task(child, NULL, 0);
return;
}
@@ -4630,37 +4630,37 @@ void perf_counter_exit_task(struct task_struct *child)
* scheduled, so we are now safe from rescheduling changing
* our context.
*/
- child_ctx = child->perf_counter_ctxp;
- __perf_counter_task_sched_out(child_ctx);
+ child_ctx = child->perf_event_ctxp;
+ __perf_event_task_sched_out(child_ctx);
/*
* Take the context lock here so that if find_get_context is
- * reading child->perf_counter_ctxp, we wait until it has
+ * reading child->perf_event_ctxp, we wait until it has
* incremented the context's refcount before we do put_ctx below.
*/
spin_lock(&child_ctx->lock);
- child->perf_counter_ctxp = NULL;
+ child->perf_event_ctxp = NULL;
/*
* If this context is a clone; unclone it so it can't get
* swapped to another process while we're removing all
- * the counters from it.
+ * the events from it.
*/
unclone_ctx(child_ctx);
spin_unlock_irqrestore(&child_ctx->lock, flags);
/*
- * Report the task dead after unscheduling the counters so that we
- * won't get any samples after PERF_EVENT_EXIT. We can however still
- * get a few PERF_EVENT_READ events.
+ * Report the task dead after unscheduling the events so that we
+ * won't get any samples after PERF_RECORD_EXIT. We can however still
+ * get a few PERF_RECORD_READ events.
*/
- perf_counter_task(child, child_ctx, 0);
+ perf_event_task(child, child_ctx, 0);
/*
* We can recurse on the same lock type through:
*
- * __perf_counter_exit_task()
- * sync_child_counter()
- * fput(parent_counter->filp)
+ * __perf_event_exit_task()
+ * sync_child_event()
+ * fput(parent_event->filp)
* perf_release()
* mutex_lock(&ctx->mutex)
*
@@ -4669,12 +4669,12 @@ void perf_counter_exit_task(struct task_struct *child)
mutex_lock_nested(&child_ctx->mutex, SINGLE_DEPTH_NESTING);
again:
- list_for_each_entry_safe(child_counter, tmp, &child_ctx->group_list,
+ list_for_each_entry_safe(child_event, tmp, &child_ctx->group_list,
group_entry)
- __perf_counter_exit_task(child_counter, child_ctx, child);
+ __perf_event_exit_task(child_event, child_ctx, child);
/*
- * If the last counter was a group counter, it will have appended all
+ * If the last event was a group event, it will have appended all
* its siblings to the list, but we obtained 'tmp' before that which
* will still point to the list head terminating the iteration.
*/
@@ -4690,30 +4690,30 @@ again:
* free an unexposed, unused context as created by inheritance by
* init_task below, used by fork() in case of fail.
*/
-void perf_counter_free_task(struct task_struct *task)
+void perf_event_free_task(struct task_struct *task)
{
- struct perf_counter_context *ctx = task->perf_counter_ctxp;
- struct perf_counter *counter, *tmp;
+ struct perf_event_context *ctx = task->perf_event_ctxp;
+ struct perf_event *event, *tmp;
if (!ctx)
return;
mutex_lock(&ctx->mutex);
again:
- list_for_each_entry_safe(counter, tmp, &ctx->group_list, group_entry) {
- struct perf_counter *parent = counter->parent;
+ list_for_each_entry_safe(event, tmp, &ctx->group_list, group_entry) {
+ struct perf_event *parent = event->parent;
if (WARN_ON_ONCE(!parent))
continue;
mutex_lock(&parent->child_mutex);
- list_del_init(&counter->child_list);
+ list_del_init(&event->child_list);
mutex_unlock(&parent->child_mutex);
fput(parent->filp);
- list_del_counter(counter, ctx);
- free_counter(counter);
+ list_del_event(event, ctx);
+ free_event(event);
}
if (!list_empty(&ctx->group_list))
@@ -4725,37 +4725,37 @@ again:
}
/*
- * Initialize the perf_counter context in task_struct
+ * Initialize the perf_event context in task_struct
*/
-int perf_counter_init_task(struct task_struct *child)
+int perf_event_init_task(struct task_struct *child)
{
- struct perf_counter_context *child_ctx, *parent_ctx;
- struct perf_counter_context *cloned_ctx;
- struct perf_counter *counter;
+ struct perf_event_context *child_ctx, *parent_ctx;
+ struct perf_event_context *cloned_ctx;
+ struct perf_event *event;
struct task_struct *parent = current;
int inherited_all = 1;
int ret = 0;
- child->perf_counter_ctxp = NULL;
+ child->perf_event_ctxp = NULL;
- mutex_init(&child->perf_counter_mutex);
- INIT_LIST_HEAD(&child->perf_counter_list);
+ mutex_init(&child->perf_event_mutex);
+ INIT_LIST_HEAD(&child->perf_event_list);
- if (likely(!parent->perf_counter_ctxp))
+ if (likely(!parent->perf_event_ctxp))
return 0;
/*
* This is executed from the parent task context, so inherit
- * counters that have been marked for cloning.
+ * events that have been marked for cloning.
* First allocate and initialize a context for the child.
*/
- child_ctx = kmalloc(sizeof(struct perf_counter_context), GFP_KERNEL);
+ child_ctx = kmalloc(sizeof(struct perf_event_context), GFP_KERNEL);
if (!child_ctx)
return -ENOMEM;
- __perf_counter_init_context(child_ctx, child);
- child->perf_counter_ctxp = child_ctx;
+ __perf_event_init_context(child_ctx, child);
+ child->perf_event_ctxp = child_ctx;
get_task_struct(child);
/*
@@ -4781,16 +4781,16 @@ int perf_counter_init_task(struct task_struct *child)
* We dont have to disable NMIs - we are only looking at
* the list, not manipulating it:
*/
- list_for_each_entry_rcu(counter, &parent_ctx->event_list, event_entry) {
- if (counter != counter->group_leader)
+ list_for_each_entry_rcu(event, &parent_ctx->event_list, event_entry) {
+ if (event != event->group_leader)
continue;
- if (!counter->attr.inherit) {
+ if (!event->attr.inherit) {
inherited_all = 0;
continue;
}
- ret = inherit_group(counter, parent, parent_ctx,
+ ret = inherit_group(event, parent, parent_ctx,
child, child_ctx);
if (ret) {
inherited_all = 0;
@@ -4804,7 +4804,7 @@ int perf_counter_init_task(struct task_struct *child)
* context, or of whatever the parent is a clone of.
* Note that if the parent is a clone, it could get
* uncloned at any point, but that doesn't matter
- * because the list of counters and the generation
+ * because the list of events and the generation
* count can't have changed since we took the mutex.
*/
cloned_ctx = rcu_dereference(parent_ctx->parent_ctx);
@@ -4825,41 +4825,41 @@ int perf_counter_init_task(struct task_struct *child)
return ret;
}
-static void __cpuinit perf_counter_init_cpu(int cpu)
+static void __cpuinit perf_event_init_cpu(int cpu)
{
struct perf_cpu_context *cpuctx;
cpuctx = &per_cpu(perf_cpu_context, cpu);
- __perf_counter_init_context(&cpuctx->ctx, NULL);
+ __perf_event_init_context(&cpuctx->ctx, NULL);
spin_lock(&perf_resource_lock);
- cpuctx->max_pertask = perf_max_counters - perf_reserved_percpu;
+ cpuctx->max_pertask = perf_max_events - perf_reserved_percpu;
spin_unlock(&perf_resource_lock);
- hw_perf_counter_setup(cpu);
+ hw_perf_event_setup(cpu);
}
#ifdef CONFIG_HOTPLUG_CPU
-static void __perf_counter_exit_cpu(void *info)
+static void __perf_event_exit_cpu(void *info)
{
struct perf_cpu_context *cpuctx = &__get_cpu_var(perf_cpu_context);
- struct perf_counter_context *ctx = &cpuctx->ctx;
- struct perf_counter *counter, *tmp;
+ struct perf_event_context *ctx = &cpuctx->ctx;
+ struct perf_event *event, *tmp;
- list_for_each_entry_safe(counter, tmp, &ctx->group_list, group_entry)
- __perf_counter_remove_from_context(counter);
+ list_for_each_entry_safe(event, tmp, &ctx->group_list, group_entry)
+ __perf_event_remove_from_context(event);
}
-static void perf_counter_exit_cpu(int cpu)
+static void perf_event_exit_cpu(int cpu)
{
struct perf_cpu_context *cpuctx = &per_cpu(perf_cpu_context, cpu);
- struct perf_counter_context *ctx = &cpuctx->ctx;
+ struct perf_event_context *ctx = &cpuctx->ctx;
mutex_lock(&ctx->mutex);
- smp_call_function_single(cpu, __perf_counter_exit_cpu, NULL, 1);
+ smp_call_function_single(cpu, __perf_event_exit_cpu, NULL, 1);
mutex_unlock(&ctx->mutex);
}
#else
-static inline void perf_counter_exit_cpu(int cpu) { }
+static inline void perf_event_exit_cpu(int cpu) { }
#endif
static int __cpuinit
@@ -4871,17 +4871,17 @@ perf_cpu_notify(struct notifier_block *self, unsigned long action, void *hcpu)
case CPU_UP_PREPARE:
case CPU_UP_PREPARE_FROZEN:
- perf_counter_init_cpu(cpu);
+ perf_event_init_cpu(cpu);
break;
case CPU_ONLINE:
case CPU_ONLINE_FROZEN:
- hw_perf_counter_setup_online(cpu);
+ hw_perf_event_setup_online(cpu);
break;
case CPU_DOWN_PREPARE:
case CPU_DOWN_PREPARE_FROZEN:
- perf_counter_exit_cpu(cpu);
+ perf_event_exit_cpu(cpu);
break;
default:
@@ -4899,7 +4899,7 @@ static struct notifier_block __cpuinitdata perf_cpu_nb = {
.priority = 20,
};
-void __init perf_counter_init(void)
+void __init perf_event_init(void)
{
perf_cpu_notify(&perf_cpu_nb, (unsigned long)CPU_UP_PREPARE,
(void *)(long)smp_processor_id());
@@ -4925,7 +4925,7 @@ perf_set_reserve_percpu(struct sysdev_class *class,
err = strict_strtoul(buf, 10, &val);
if (err)
return err;
- if (val > perf_max_counters)
+ if (val > perf_max_events)
return -EINVAL;
spin_lock(&perf_resource_lock);
@@ -4933,8 +4933,8 @@ perf_set_reserve_percpu(struct sysdev_class *class,
for_each_online_cpu(cpu) {
cpuctx = &per_cpu(perf_cpu_context, cpu);
spin_lock_irq(&cpuctx->ctx.lock);
- mpt = min(perf_max_counters - cpuctx->ctx.nr_counters,
- perf_max_counters - perf_reserved_percpu);
+ mpt = min(perf_max_events - cpuctx->ctx.nr_events,
+ perf_max_events - perf_reserved_percpu);
cpuctx->max_pertask = mpt;
spin_unlock_irq(&cpuctx->ctx.lock);
}
@@ -4989,12 +4989,12 @@ static struct attribute *perfclass_attrs[] = {
static struct attribute_group perfclass_attr_group = {
.attrs = perfclass_attrs,
- .name = "perf_counters",
+ .name = "perf_events",
};
-static int __init perf_counter_sysfs_init(void)
+static int __init perf_event_sysfs_init(void)
{
return sysfs_create_group(&cpu_sysdev_class.kset.kobj,
&perfclass_attr_group);
}
-device_initcall(perf_counter_sysfs_init);
+device_initcall(perf_event_sysfs_init);
diff --git a/kernel/sched.c b/kernel/sched.c
index faf4d463bbf..291c8d213d1 100644
--- a/kernel/sched.c
+++ b/kernel/sched.c
@@ -39,7 +39,7 @@
#include <linux/completion.h>
#include <linux/kernel_stat.h>
#include <linux/debug_locks.h>
-#include <linux/perf_counter.h>
+#include <linux/perf_event.h>
#include <linux/security.h>
#include <linux/notifier.h>
#include <linux/profile.h>
@@ -2059,7 +2059,7 @@ void set_task_cpu(struct task_struct *p, unsigned int new_cpu)
if (task_hot(p, old_rq->clock, NULL))
schedstat_inc(p, se.nr_forced2_migrations);
#endif
- perf_swcounter_event(PERF_COUNT_SW_CPU_MIGRATIONS,
+ perf_sw_event(PERF_COUNT_SW_CPU_MIGRATIONS,
1, 1, NULL, 0);
}
p->se.vruntime -= old_cfsrq->min_vruntime -
@@ -2724,7 +2724,7 @@ static void finish_task_switch(struct rq *rq, struct task_struct *prev)
*/
prev_state = prev->state;
finish_arch_switch(prev);
- perf_counter_task_sched_in(current, cpu_of(rq));
+ perf_event_task_sched_in(current, cpu_of(rq));
finish_lock_switch(rq, prev);
fire_sched_in_preempt_notifiers(current);
@@ -5199,7 +5199,7 @@ void scheduler_tick(void)
curr->sched_class->task_tick(rq, curr, 0);
spin_unlock(&rq->lock);
- perf_counter_task_tick(curr, cpu);
+ perf_event_task_tick(curr, cpu);
#ifdef CONFIG_SMP
rq->idle_at_tick = idle_cpu(cpu);
@@ -5415,7 +5415,7 @@ need_resched_nonpreemptible:
if (likely(prev != next)) {
sched_info_switch(prev, next);
- perf_counter_task_sched_out(prev, next, cpu);
+ perf_event_task_sched_out(prev, next, cpu);
rq->nr_switches++;
rq->curr = next;
@@ -7692,7 +7692,7 @@ migration_call(struct notifier_block *nfb, unsigned long action, void *hcpu)
/*
* Register at high priority so that task migration (migrate_all_tasks)
* happens before everything else. This has to be lower priority than
- * the notifier in the perf_counter subsystem, though.
+ * the notifier in the perf_event subsystem, though.
*/
static struct notifier_block __cpuinitdata migration_notifier = {
.notifier_call = migration_call,
@@ -9549,7 +9549,7 @@ void __init sched_init(void)
alloc_cpumask_var(&cpu_isolated_map, GFP_NOWAIT);
#endif /* SMP */
- perf_counter_init();
+ perf_event_init();
scheduler_running = 1;
}
diff --git a/kernel/sys.c b/kernel/sys.c
index b3f1097c76f..ea5c3bcac88 100644
--- a/kernel/sys.c
+++ b/kernel/sys.c
@@ -14,7 +14,7 @@
#include <linux/prctl.h>
#include <linux/highuid.h>
#include <linux/fs.h>
-#include <linux/perf_counter.h>
+#include <linux/perf_event.h>
#include <linux/resource.h>
#include <linux/kernel.h>
#include <linux/kexec.h>
@@ -1511,11 +1511,11 @@ SYSCALL_DEFINE5(prctl, int, option, unsigned long, arg2, unsigned long, arg3,
case PR_SET_TSC:
error = SET_TSC_CTL(arg2);
break;
- case PR_TASK_PERF_COUNTERS_DISABLE:
- error = perf_counter_task_disable();
+ case PR_TASK_PERF_EVENTS_DISABLE:
+ error = perf_event_task_disable();
break;
- case PR_TASK_PERF_COUNTERS_ENABLE:
- error = perf_counter_task_enable();
+ case PR_TASK_PERF_EVENTS_ENABLE:
+ error = perf_event_task_enable();
break;
case PR_GET_TIMERSLACK:
error = current->timer_slack_ns;
diff --git a/kernel/sys_ni.c b/kernel/sys_ni.c
index 68320f6b07b..515bc230ac2 100644
--- a/kernel/sys_ni.c
+++ b/kernel/sys_ni.c
@@ -177,4 +177,4 @@ cond_syscall(sys_eventfd);
cond_syscall(sys_eventfd2);
/* performance counters: */
-cond_syscall(sys_perf_counter_open);
+cond_syscall(sys_perf_event_open);
diff --git a/kernel/sysctl.c b/kernel/sysctl.c
index 1a631ba684a..6ba49c7cb12 100644
--- a/kernel/sysctl.c
+++ b/kernel/sysctl.c
@@ -50,7 +50,7 @@
#include <linux/reboot.h>
#include <linux/ftrace.h>
#include <linux/slow-work.h>
-#include <linux/perf_counter.h>
+#include <linux/perf_event.h>
#include <asm/uaccess.h>
#include <asm/processor.h>
@@ -964,28 +964,28 @@ static struct ctl_table kern_table[] = {
.child = slow_work_sysctls,
},
#endif
-#ifdef CONFIG_PERF_COUNTERS
+#ifdef CONFIG_PERF_EVENTS
{
.ctl_name = CTL_UNNUMBERED,
- .procname = "perf_counter_paranoid",
- .data = &sysctl_perf_counter_paranoid,
- .maxlen = sizeof(sysctl_perf_counter_paranoid),
+ .procname = "perf_event_paranoid",
+ .data = &sysctl_perf_event_paranoid,
+ .maxlen = sizeof(sysctl_perf_event_paranoid),
.mode = 0644,
.proc_handler = &proc_dointvec,
},
{
.ctl_name = CTL_UNNUMBERED,
- .procname = "perf_counter_mlock_kb",
- .data = &sysctl_perf_counter_mlock,
- .maxlen = sizeof(sysctl_perf_counter_mlock),
+ .procname = "perf_event_mlock_kb",
+ .data = &sysctl_perf_event_mlock,
+ .maxlen = sizeof(sysctl_perf_event_mlock),
.mode = 0644,
.proc_handler = &proc_dointvec,
},
{
.ctl_name = CTL_UNNUMBERED,
- .procname = "perf_counter_max_sample_rate",
- .data = &sysctl_perf_counter_sample_rate,
- .maxlen = sizeof(sysctl_perf_counter_sample_rate),
+ .procname = "perf_event_max_sample_rate",
+ .data = &sysctl_perf_event_sample_rate,
+ .maxlen = sizeof(sysctl_perf_event_sample_rate),
.mode = 0644,
.proc_handler = &proc_dointvec,
},
diff --git a/kernel/timer.c b/kernel/timer.c
index bbb51074680..811e5c39145 100644
--- a/kernel/timer.c
+++ b/kernel/timer.c
@@ -37,7 +37,7 @@
#include <linux/delay.h>
#include <linux/tick.h>
#include <linux/kallsyms.h>
-#include <linux/perf_counter.h>
+#include <linux/perf_event.h>
#include <linux/sched.h>
#include <asm/uaccess.h>
@@ -1187,7 +1187,7 @@ static void run_timer_softirq(struct softirq_action *h)
{
struct tvec_base *base = __get_cpu_var(tvec_bases);
- perf_counter_do_pending();
+ perf_event_do_pending();
hrtimer_run_pending();
diff --git a/kernel/trace/trace_syscalls.c b/kernel/trace/trace_syscalls.c
index 8712ce3c6a0..233f3483ac8 100644
--- a/kernel/trace/trace_syscalls.c
+++ b/kernel/trace/trace_syscalls.c
@@ -2,7 +2,7 @@
#include <trace/events/syscalls.h>
#include <linux/kernel.h>
#include <linux/ftrace.h>
-#include <linux/perf_counter.h>
+#include <linux/perf_event.h>
#include <asm/syscall.h>
#include "trace_output.h"
@@ -414,7 +414,7 @@ static void prof_syscall_enter(struct pt_regs *regs, long id)
rec->nr = syscall_nr;
syscall_get_arguments(current, regs, 0, sys_data->nb_args,
(unsigned long *)&rec->args);
- perf_tpcounter_event(sys_data->enter_id, 0, 1, rec, size);
+ perf_tp_event(sys_data->enter_id, 0, 1, rec, size);
} while(0);
}
@@ -476,7 +476,7 @@ static void prof_syscall_exit(struct pt_regs *regs, long ret)
rec.nr = syscall_nr;
rec.ret = syscall_get_return_value(current, regs);
- perf_tpcounter_event(sys_data->exit_id, 0, 1, &rec, sizeof(rec));
+ perf_tp_event(sys_data->exit_id, 0, 1, &rec, sizeof(rec));
}
int reg_prof_syscall_exit(char *name)
diff --git a/mm/mmap.c b/mm/mmap.c
index 26892e346d8..376492ed08f 100644
--- a/mm/mmap.c
+++ b/mm/mmap.c
@@ -28,7 +28,7 @@
#include <linux/mempolicy.h>
#include <linux/rmap.h>
#include <linux/mmu_notifier.h>
-#include <linux/perf_counter.h>
+#include <linux/perf_event.h>
#include <asm/uaccess.h>
#include <asm/cacheflush.h>
@@ -1220,7 +1220,7 @@ munmap_back:
if (correct_wcount)
atomic_inc(&inode->i_writecount);
out:
- perf_counter_mmap(vma);
+ perf_event_mmap(vma);
mm->total_vm += len >> PAGE_SHIFT;
vm_stat_account(mm, vm_flags, file, len >> PAGE_SHIFT);
@@ -2308,7 +2308,7 @@ int install_special_mapping(struct mm_struct *mm,
mm->total_vm += len >> PAGE_SHIFT;
- perf_counter_mmap(vma);
+ perf_event_mmap(vma);
return 0;
}
diff --git a/mm/mprotect.c b/mm/mprotect.c
index d80311baeb2..8bc969d8112 100644
--- a/mm/mprotect.c
+++ b/mm/mprotect.c
@@ -23,7 +23,7 @@
#include <linux/swapops.h>
#include <linux/mmu_notifier.h>
#include <linux/migrate.h>
-#include <linux/perf_counter.h>
+#include <linux/perf_event.h>
#include <asm/uaccess.h>
#include <asm/pgtable.h>
#include <asm/cacheflush.h>
@@ -300,7 +300,7 @@ SYSCALL_DEFINE3(mprotect, unsigned long, start, size_t, len,
error = mprotect_fixup(vma, &prev, nstart, tmp, newflags);
if (error)
goto out;
- perf_counter_mmap(vma);
+ perf_event_mmap(vma);
nstart = tmp;
if (nstart < prev->vm_end)
diff --git a/tools/perf/Makefile b/tools/perf/Makefile
index 0aba8b6e9c5..b5f1953b614 100644
--- a/tools/perf/Makefile
+++ b/tools/perf/Makefile
@@ -318,7 +318,7 @@ export PERL_PATH
LIB_FILE=libperf.a
-LIB_H += ../../include/linux/perf_counter.h
+LIB_H += ../../include/linux/perf_event.h
LIB_H += ../../include/linux/rbtree.h
LIB_H += ../../include/linux/list.h
LIB_H += util/include/linux/list.h
diff --git a/tools/perf/builtin-annotate.c b/tools/perf/builtin-annotate.c
index 043d85b7e25..1ec74161581 100644
--- a/tools/perf/builtin-annotate.c
+++ b/tools/perf/builtin-annotate.c
@@ -505,7 +505,7 @@ process_sample_event(event_t *event, unsigned long offset, unsigned long head)
return -1;
}
- if (event->header.misc & PERF_EVENT_MISC_KERNEL) {
+ if (event->header.misc & PERF_RECORD_MISC_KERNEL) {
show = SHOW_KERNEL;
level = 'k';
@@ -513,7 +513,7 @@ process_sample_event(event_t *event, unsigned long offset, unsigned long head)
dump_printf(" ...... dso: %s\n", dso->name);
- } else if (event->header.misc & PERF_EVENT_MISC_USER) {
+ } else if (event->header.misc & PERF_RECORD_MISC_USER) {
show = SHOW_USER;
level = '.';
@@ -565,7 +565,7 @@ process_mmap_event(event_t *event, unsigned long offset, unsigned long head)
thread = threads__findnew(event->mmap.pid, &threads, &last_match);
- dump_printf("%p [%p]: PERF_EVENT_MMAP %d: [%p(%p) @ %p]: %s\n",
+ dump_printf("%p [%p]: PERF_RECORD_MMAP %d: [%p(%p) @ %p]: %s\n",
(void *)(offset + head),
(void *)(long)(event->header.size),
event->mmap.pid,
@@ -575,7 +575,7 @@ process_mmap_event(event_t *event, unsigned long offset, unsigned long head)
event->mmap.filename);
if (thread == NULL || map == NULL) {
- dump_printf("problem processing PERF_EVENT_MMAP, skipping event.\n");
+ dump_printf("problem processing PERF_RECORD_MMAP, skipping event.\n");
return 0;
}
@@ -591,14 +591,14 @@ process_comm_event(event_t *event, unsigned long offset, unsigned long head)
struct thread *thread;
thread = threads__findnew(event->comm.pid, &threads, &last_match);
- dump_printf("%p [%p]: PERF_EVENT_COMM: %s:%d\n",
+ dump_printf("%p [%p]: PERF_RECORD_COMM: %s:%d\n",
(void *)(offset + head),
(void *)(long)(event->header.size),
event->comm.comm, event->comm.pid);
if (thread == NULL ||
thread__set_comm(thread, event->comm.comm)) {
- dump_printf("problem processing PERF_EVENT_COMM, skipping event.\n");
+ dump_printf("problem processing PERF_RECORD_COMM, skipping event.\n");
return -1;
}
total_comm++;
@@ -614,7 +614,7 @@ process_fork_event(event_t *event, unsigned long offset, unsigned long head)
thread = threads__findnew(event->fork.pid, &threads, &last_match);
parent = threads__findnew(event->fork.ppid, &threads, &last_match);
- dump_printf("%p [%p]: PERF_EVENT_FORK: %d:%d\n",
+ dump_printf("%p [%p]: PERF_RECORD_FORK: %d:%d\n",
(void *)(offset + head),
(void *)(long)(event->header.size),
event->fork.pid, event->fork.ppid);
@@ -627,7 +627,7 @@ process_fork_event(event_t *event, unsigned long offset, unsigned long head)
return 0;
if (!thread || !parent || thread__fork(thread, parent)) {
- dump_printf("problem processing PERF_EVENT_FORK, skipping event.\n");
+ dump_printf("problem processing PERF_RECORD_FORK, skipping event.\n");
return -1;
}
total_fork++;
@@ -639,23 +639,23 @@ static int
process_event(event_t *event, unsigned long offset, unsigned long head)
{
switch (event->header.type) {
- case PERF_EVENT_SAMPLE:
+ case PERF_RECORD_SAMPLE:
return process_sample_event(event, offset, head);
- case PERF_EVENT_MMAP:
+ case PERF_RECORD_MMAP:
return process_mmap_event(event, offset, head);
- case PERF_EVENT_COMM:
+ case PERF_RECORD_COMM:
return process_comm_event(event, offset, head);
- case PERF_EVENT_FORK:
+ case PERF_RECORD_FORK:
return process_fork_event(event, offset, head);
/*
* We dont process them right now but they are fine:
*/
- case PERF_EVENT_THROTTLE:
- case PERF_EVENT_UNTHROTTLE:
+ case PERF_RECORD_THROTTLE:
+ case PERF_RECORD_UNTHROTTLE:
return 0;
default:
diff --git a/tools/perf/builtin-record.c b/tools/perf/builtin-record.c
index 2459e5a22ed..a5a050af8e7 100644
--- a/tools/perf/builtin-record.c
+++ b/tools/perf/builtin-record.c
@@ -77,7 +77,7 @@ static struct mmap_data mmap_array[MAX_NR_CPUS][MAX_COUNTERS];
static unsigned long mmap_read_head(struct mmap_data *md)
{
- struct perf_counter_mmap_page *pc = md->base;
+ struct perf_event_mmap_page *pc = md->base;
long head;
head = pc->data_head;
@@ -88,7 +88,7 @@ static unsigned long mmap_read_head(struct mmap_data *md)
static void mmap_write_tail(struct mmap_data *md, unsigned long tail)
{
- struct perf_counter_mmap_page *pc = md->base;
+ struct perf_event_mmap_page *pc = md->base;
/*
* ensure all reads are done before we write the tail out.
@@ -233,7 +233,7 @@ static pid_t pid_synthesize_comm_event(pid_t pid, int full)
}
}
- comm_ev.header.type = PERF_EVENT_COMM;
+ comm_ev.header.type = PERF_RECORD_COMM;
size = ALIGN(size, sizeof(u64));
comm_ev.header.size = sizeof(comm_ev) - (sizeof(comm_ev.comm) - size);
@@ -288,7 +288,7 @@ static void pid_synthesize_mmap_samples(pid_t pid, pid_t tgid)
while (1) {
char bf[BUFSIZ], *pbf = bf;
struct mmap_event mmap_ev = {
- .header = { .type = PERF_EVENT_MMAP },
+ .header = { .type = PERF_RECORD_MMAP },
};
int n;
size_t size;
@@ -355,7 +355,7 @@ static void synthesize_all(void)
static int group_fd;
-static struct perf_header_attr *get_header_attr(struct perf_counter_attr *a, int nr)
+static struct perf_header_attr *get_header_attr(struct perf_event_attr *a, int nr)
{
struct perf_header_attr *h_attr;
@@ -371,7 +371,7 @@ static struct perf_header_attr *get_header_attr(struct perf_counter_attr *a, int
static void create_counter(int counter, int cpu, pid_t pid)
{
- struct perf_counter_attr *attr = attrs + counter;
+ struct perf_event_attr *attr = attrs + counter;
struct perf_header_attr *h_attr;
int track = !counter; /* only the first counter needs these */
struct {
@@ -417,7 +417,7 @@ static void create_counter(int counter, int cpu, pid_t pid)
attr->disabled = 1;
try_again:
- fd[nr_cpu][counter] = sys_perf_counter_open(attr, pid, cpu, group_fd, 0);
+ fd[nr_cpu][counter] = sys_perf_event_open(attr, pid, cpu, group_fd, 0);
if (fd[nr_cpu][counter] < 0) {
int err = errno;
@@ -444,7 +444,7 @@ try_again:
printf("\n");
error("perfcounter syscall returned with %d (%s)\n",
fd[nr_cpu][counter], strerror(err));
- die("No CONFIG_PERF_COUNTERS=y kernel support configured?\n");
+ die("No CONFIG_PERF_EVENTS=y kernel support configured?\n");
exit(-1);
}
@@ -478,7 +478,7 @@ try_again:
if (multiplex && fd[nr_cpu][counter] != multiplex_fd) {
int ret;
- ret = ioctl(fd[nr_cpu][counter], PERF_COUNTER_IOC_SET_OUTPUT, multiplex_fd);
+ ret = ioctl(fd[nr_cpu][counter], PERF_EVENT_IOC_SET_OUTPUT, multiplex_fd);
assert(ret != -1);
} else {
event_array[nr_poll].fd = fd[nr_cpu][counter];
@@ -496,7 +496,7 @@ try_again:
}
}
- ioctl(fd[nr_cpu][counter], PERF_COUNTER_IOC_ENABLE);
+ ioctl(fd[nr_cpu][counter], PERF_EVENT_IOC_ENABLE);
}
static void open_counters(int cpu, pid_t pid)
@@ -642,7 +642,7 @@ static int __cmd_record(int argc, const char **argv)
if (done) {
for (i = 0; i < nr_cpu; i++) {
for (counter = 0; counter < nr_counters; counter++)
- ioctl(fd[i][counter], PERF_COUNTER_IOC_DISABLE);
+ ioctl(fd[i][counter], PERF_EVENT_IOC_DISABLE);
}
}
}
diff --git a/tools/perf/builtin-report.c b/tools/perf/builtin-report.c
index cdf9a8d27bb..19669c20088 100644
--- a/tools/perf/builtin-report.c
+++ b/tools/perf/builtin-report.c
@@ -1121,7 +1121,7 @@ process_sample_event(event_t *event, unsigned long offset, unsigned long head)
more_data += sizeof(u64);
}
- dump_printf("%p [%p]: PERF_EVENT_SAMPLE (IP, %d): %d/%d: %p period: %Ld\n",
+ dump_printf("%p [%p]: PERF_RECORD_SAMPLE (IP, %d): %d/%d: %p period: %Ld\n",
(void *)(offset + head),
(void *)(long)(event->header.size),
event->header.misc,
@@ -1158,9 +1158,9 @@ process_sample_event(event_t *event, unsigned long offset, unsigned long head)
if (comm_list && !strlist__has_entry(comm_list, thread->comm))
return 0;
- cpumode = event->header.misc & PERF_EVENT_MISC_CPUMODE_MASK;
+ cpumode = event->header.misc & PERF_RECORD_MISC_CPUMODE_MASK;
- if (cpumode == PERF_EVENT_MISC_KERNEL) {
+ if (cpumode == PERF_RECORD_MISC_KERNEL) {
show = SHOW_KERNEL;
level = 'k';
@@ -1168,7 +1168,7 @@ process_sample_event(event_t *event, unsigned long offset, unsigned long head)
dump_printf(" ...... dso: %s\n", dso->name);
- } else if (cpumode == PERF_EVENT_MISC_USER) {
+ } else if (cpumode == PERF_RECORD_MISC_USER) {
show = SHOW_USER;
level = '.';
@@ -1210,7 +1210,7 @@ process_mmap_event(event_t *event, unsigned long offset, unsigned long head)
thread = threads__findnew(event->mmap.pid, &threads, &last_match);
- dump_printf("%p [%p]: PERF_EVENT_MMAP %d/%d: [%p(%p) @ %p]: %s\n",
+ dump_printf("%p [%p]: PERF_RECORD_MMAP %d/%d: [%p(%p) @ %p]: %s\n",
(void *)(offset + head),
(void *)(long)(event->header.size),
event->mmap.pid,
@@ -1221,7 +1221,7 @@ process_mmap_event(event_t *event, unsigned long offset, unsigned long head)
event->mmap.filename);
if (thread == NULL || map == NULL) {
- dump_printf("problem processing PERF_EVENT_MMAP, skipping event.\n");
+ dump_printf("problem processing PERF_RECORD_MMAP, skipping event.\n");
return 0;
}
@@ -1238,14 +1238,14 @@ process_comm_event(event_t *event, unsigned long offset, unsigned long head)
thread = threads__findnew(event->comm.pid, &threads, &last_match);
- dump_printf("%p [%p]: PERF_EVENT_COMM: %s:%d\n",
+ dump_printf("%p [%p]: PERF_RECORD_COMM: %s:%d\n",
(void *)(offset + head),
(void *)(long)(event->header.size),
event->comm.comm, event->comm.pid);
if (thread == NULL ||
thread__set_comm_adjust(thread, event->comm.comm)) {
- dump_printf("problem processing PERF_EVENT_COMM, skipping event.\n");
+ dump_printf("problem processing PERF_RECORD_COMM, skipping event.\n");
return -1;
}
total_comm++;
@@ -1262,10 +1262,10 @@ process_task_event(event_t *event, unsigned long offset, unsigned long head)
thread = threads__findnew(event->fork.pid, &threads, &last_match);
parent = threads__findnew(event->fork.ppid, &threads, &last_match);
- dump_printf("%p [%p]: PERF_EVENT_%s: (%d:%d):(%d:%d)\n",
+ dump_printf("%p [%p]: PERF_RECORD_%s: (%d:%d):(%d:%d)\n",
(void *)(offset + head),
(void *)(long)(event->header.size),
- event->header.type == PERF_EVENT_FORK ? "FORK" : "EXIT",
+ event->header.type == PERF_RECORD_FORK ? "FORK" : "EXIT",
event->fork.pid, event->fork.tid,
event->fork.ppid, event->fork.ptid);
@@ -1276,11 +1276,11 @@ process_task_event(event_t *event, unsigned long offset, unsigned long head)
if (thread == parent)
return 0;
- if (event->header.type == PERF_EVENT_EXIT)
+ if (event->header.type == PERF_RECORD_EXIT)
return 0;
if (!thread || !parent || thread__fork(thread, parent)) {
- dump_printf("problem processing PERF_EVENT_FORK, skipping event.\n");
+ dump_printf("problem processing PERF_RECORD_FORK, skipping event.\n");
return -1;
}
total_fork++;
@@ -1291,7 +1291,7 @@ process_task_event(event_t *event, unsigned long offset, unsigned long head)
static int
process_lost_event(event_t *event, unsigned long offset, unsigned long head)
{
- dump_printf("%p [%p]: PERF_EVENT_LOST: id:%Ld: lost:%Ld\n",
+ dump_printf("%p [%p]: PERF_RECORD_LOST: id:%Ld: lost:%Ld\n",
(void *)(offset + head),
(void *)(long)(event->header.size),
event->lost.id,
@@ -1305,7 +1305,7 @@ process_lost_event(event_t *event, unsigned long offset, unsigned long head)
static int
process_read_event(event_t *event, unsigned long offset, unsigned long head)
{
- struct perf_counter_attr *attr;
+ struct perf_event_attr *attr;
attr = perf_header__find_attr(event->read.id, header);
@@ -1319,7 +1319,7 @@ process_read_event(event_t *event, unsigned long offset, unsigned long head)
event->read.value);
}
- dump_printf("%p [%p]: PERF_EVENT_READ: %d %d %s %Lu\n",
+ dump_printf("%p [%p]: PERF_RECORD_READ: %d %d %s %Lu\n",
(void *)(offset + head),
(void *)(long)(event->header.size),
event->read.pid,
@@ -1337,31 +1337,31 @@ process_event(event_t *event, unsigned long offset, unsigned long head)
trace_event(event);
switch (event->header.type) {
- case PERF_EVENT_SAMPLE:
+ case PERF_RECORD_SAMPLE:
return process_sample_event(event, offset, head);
- case PERF_EVENT_MMAP:
+ case PERF_RECORD_MMAP:
return process_mmap_event(event, offset, head);
- case PERF_EVENT_COMM:
+ case PERF_RECORD_COMM:
return process_comm_event(event, offset, head);
- case PERF_EVENT_FORK:
- case PERF_EVENT_EXIT:
+ case PERF_RECORD_FORK:
+ case PERF_RECORD_EXIT:
return process_task_event(event, offset, head);
- case PERF_EVENT_LOST:
+ case PERF_RECORD_LOST:
return process_lost_event(event, offset, head);
- case PERF_EVENT_READ:
+ case PERF_RECORD_READ:
return process_read_event(event, offset, head);
/*
* We dont process them right now but they are fine:
*/
- case PERF_EVENT_THROTTLE:
- case PERF_EVENT_UNTHROTTLE:
+ case PERF_RECORD_THROTTLE:
+ case PERF_RECORD_UNTHROTTLE:
return 0;
default:
diff --git a/tools/perf/builtin-sched.c b/tools/perf/builtin-sched.c
index 275d79c6627..ea9c15c0cdf 100644
--- a/tools/perf/builtin-sched.c
+++ b/tools/perf/builtin-sched.c
@@ -1573,7 +1573,7 @@ process_sample_event(event_t *event, unsigned long offset, unsigned long head)
more_data += sizeof(u64);
}
- dump_printf("%p [%p]: PERF_EVENT_SAMPLE (IP, %d): %d/%d: %p period: %Ld\n",
+ dump_printf("%p [%p]: PERF_RECORD_SAMPLE (IP, %d): %d/%d: %p period: %Ld\n",
(void *)(offset + head),
(void *)(long)(event->header.size),
event->header.misc,
@@ -1589,9 +1589,9 @@ process_sample_event(event_t *event, unsigned long offset, unsigned long head)
return -1;
}
- cpumode = event->header.misc & PERF_EVENT_MISC_CPUMODE_MASK;
+ cpumode = event->header.misc & PERF_RECORD_MISC_CPUMODE_MASK;
- if (cpumode == PERF_EVENT_MISC_KERNEL) {
+ if (cpumode == PERF_RECORD_MISC_KERNEL) {
show = SHOW_KERNEL;
level = 'k';
@@ -1599,7 +1599,7 @@ process_sample_event(event_t *event, unsigned long offset, unsigned long head)
dump_printf(" ...... dso: %s\n", dso->name);
- } else if (cpumode == PERF_EVENT_MISC_USER) {
+ } else if (cpumode == PERF_RECORD_MISC_USER) {
show = SHOW_USER;
level = '.';
@@ -1626,23 +1626,23 @@ process_event(event_t *event, unsigned long offset, unsigned long head)
nr_events++;
switch (event->header.type) {
- case PERF_EVENT_MMAP:
+ case PERF_RECORD_MMAP:
return 0;
- case PERF_EVENT_LOST:
+ case PERF_RECORD_LOST:
nr_lost_chunks++;
nr_lost_events += event->lost.lost;
return 0;
- case PERF_EVENT_COMM:
+ case PERF_RECORD_COMM:
return process_comm_event(event, offset, head);
- case PERF_EVENT_EXIT ... PERF_EVENT_READ:
+ case PERF_RECORD_EXIT ... PERF_RECORD_READ:
return 0;
- case PERF_EVENT_SAMPLE:
+ case PERF_RECORD_SAMPLE:
return process_sample_event(event, offset, head);
- case PERF_EVENT_MAX:
+ case PERF_RECORD_MAX:
default:
return -1;
}
diff --git a/tools/perf/builtin-stat.c b/tools/perf/builtin-stat.c
index 61b828236c1..16af2d82e85 100644
--- a/tools/perf/builtin-stat.c
+++ b/tools/perf/builtin-stat.c
@@ -48,7 +48,7 @@
#include <sys/prctl.h>
#include <math.h>
-static struct perf_counter_attr default_attrs[] = {
+static struct perf_event_attr default_attrs[] = {
{ .type = PERF_TYPE_SOFTWARE, .config = PERF_COUNT_SW_TASK_CLOCK },
{ .type = PERF_TYPE_SOFTWARE, .config = PERF_COUNT_SW_CONTEXT_SWITCHES},
@@ -130,11 +130,11 @@ struct stats runtime_cycles_stats;
attrs[counter].config == PERF_COUNT_##c)
#define ERR_PERF_OPEN \
-"Error: counter %d, sys_perf_counter_open() syscall returned with %d (%s)\n"
+"Error: counter %d, sys_perf_event_open() syscall returned with %d (%s)\n"
static void create_perf_stat_counter(int counter, int pid)
{
- struct perf_counter_attr *attr = attrs + counter;
+ struct perf_event_attr *attr = attrs + counter;
if (scale)
attr->read_format = PERF_FORMAT_TOTAL_TIME_ENABLED |
@@ -144,7 +144,7 @@ static void create_perf_stat_counter(int counter, int pid)
unsigned int cpu;
for (cpu = 0; cpu < nr_cpus; cpu++) {
- fd[cpu][counter] = sys_perf_counter_open(attr, -1, cpu, -1, 0);
+ fd[cpu][counter] = sys_perf_event_open(attr, -1, cpu, -1, 0);
if (fd[cpu][counter] < 0 && verbose)
fprintf(stderr, ERR_PERF_OPEN, counter,
fd[cpu][counter], strerror(errno));
@@ -154,7 +154,7 @@ static void create_perf_stat_counter(int counter, int pid)
attr->disabled = 1;
attr->enable_on_exec = 1;
- fd[0][counter] = sys_perf_counter_open(attr, pid, -1, -1, 0);
+ fd[0][counter] = sys_perf_event_open(attr, pid, -1, -1, 0);
if (fd[0][counter] < 0 && verbose)
fprintf(stderr, ERR_PERF_OPEN, counter,
fd[0][counter], strerror(errno));
diff --git a/tools/perf/builtin-timechart.c b/tools/perf/builtin-timechart.c
index 60040639627..4405681b313 100644
--- a/tools/perf/builtin-timechart.c
+++ b/tools/perf/builtin-timechart.c
@@ -937,21 +937,21 @@ process_event(event_t *event)
switch (event->header.type) {
- case PERF_EVENT_COMM:
+ case PERF_RECORD_COMM:
return process_comm_event(event);
- case PERF_EVENT_FORK:
+ case PERF_RECORD_FORK:
return process_fork_event(event);
- case PERF_EVENT_EXIT:
+ case PERF_RECORD_EXIT:
return process_exit_event(event);
- case PERF_EVENT_SAMPLE:
+ case PERF_RECORD_SAMPLE:
return queue_sample_event(event);
/*
* We dont process them right now but they are fine:
*/
- case PERF_EVENT_MMAP:
- case PERF_EVENT_THROTTLE:
- case PERF_EVENT_UNTHROTTLE:
+ case PERF_RECORD_MMAP:
+ case PERF_RECORD_THROTTLE:
+ case PERF_RECORD_UNTHROTTLE:
return 0;
default:
diff --git a/tools/perf/builtin-top.c b/tools/perf/builtin-top.c
index 4002ccb3675..1ca88896eee 100644
--- a/tools/perf/builtin-top.c
+++ b/tools/perf/builtin-top.c
@@ -901,7 +901,7 @@ struct mmap_data {
static unsigned int mmap_read_head(struct mmap_data *md)
{
- struct perf_counter_mmap_page *pc = md->base;
+ struct perf_event_mmap_page *pc = md->base;
int head;
head = pc->data_head;
@@ -977,9 +977,9 @@ static void mmap_read_counter(struct mmap_data *md)
old += size;
- if (event->header.type == PERF_EVENT_SAMPLE) {
+ if (event->header.type == PERF_RECORD_SAMPLE) {
int user =
- (event->header.misc & PERF_EVENT_MISC_CPUMODE_MASK) == PERF_EVENT_MISC_USER;
+ (event->header.misc & PERF_RECORD_MISC_CPUMODE_MASK) == PERF_RECORD_MISC_USER;
process_event(event->ip.ip, md->counter, user);
}
}
@@ -1005,7 +1005,7 @@ int group_fd;
static void start_counter(int i, int counter)
{
- struct perf_counter_attr *attr;
+ struct perf_event_attr *attr;
int cpu;
cpu = profile_cpu;
@@ -1019,7 +1019,7 @@ static void start_counter(int i, int counter)
attr->inherit = (cpu < 0) && inherit;
try_again:
- fd[i][counter] = sys_perf_counter_open(attr, target_pid, cpu, group_fd, 0);
+ fd[i][counter] = sys_perf_event_open(attr, target_pid, cpu, group_fd, 0);
if (fd[i][counter] < 0) {
int err = errno;
@@ -1044,7 +1044,7 @@ try_again:
printf("\n");
error("perfcounter syscall returned with %d (%s)\n",
fd[i][counter], strerror(err));
- die("No CONFIG_PERF_COUNTERS=y kernel support configured?\n");
+ die("No CONFIG_PERF_EVENTS=y kernel support configured?\n");
exit(-1);
}
assert(fd[i][counter] >= 0);
diff --git a/tools/perf/builtin-trace.c b/tools/perf/builtin-trace.c
index 914ab366e36..e9d256e2f47 100644
--- a/tools/perf/builtin-trace.c
+++ b/tools/perf/builtin-trace.c
@@ -35,14 +35,14 @@ process_comm_event(event_t *event, unsigned long offset, unsigned long head)
thread = threads__findnew(event->comm.pid, &threads, &last_match);
- dump_printf("%p [%p]: PERF_EVENT_COMM: %s:%d\n",
+ dump_printf("%p [%p]: PERF_RECORD_COMM: %s:%d\n",
(void *)(offset + head),
(void *)(long)(event->header.size),
event->comm.comm, event->comm.pid);
if (thread == NULL ||
thread__set_comm(thread, event->comm.comm)) {
- dump_printf("problem processing PERF_EVENT_COMM, skipping event.\n");
+ dump_printf("problem processing PERF_RECORD_COMM, skipping event.\n");
return -1;
}
total_comm++;
@@ -82,7 +82,7 @@ process_sample_event(event_t *event, unsigned long offset, unsigned long head)
more_data += sizeof(u64);
}
- dump_printf("%p [%p]: PERF_EVENT_SAMPLE (IP, %d): %d/%d: %p period: %Ld\n",
+ dump_printf("%p [%p]: PERF_RECORD_SAMPLE (IP, %d): %d/%d: %p period: %Ld\n",
(void *)(offset + head),
(void *)(long)(event->header.size),
event->header.misc,
@@ -98,9 +98,9 @@ process_sample_event(event_t *event, unsigned long offset, unsigned long head)
return -1;
}
- cpumode = event->header.misc & PERF_EVENT_MISC_CPUMODE_MASK;
+ cpumode = event->header.misc & PERF_RECORD_MISC_CPUMODE_MASK;
- if (cpumode == PERF_EVENT_MISC_KERNEL) {
+ if (cpumode == PERF_RECORD_MISC_KERNEL) {
show = SHOW_KERNEL;
level = 'k';
@@ -108,7 +108,7 @@ process_sample_event(event_t *event, unsigned long offset, unsigned long head)
dump_printf(" ...... dso: %s\n", dso->name);
- } else if (cpumode == PERF_EVENT_MISC_USER) {
+ } else if (cpumode == PERF_RECORD_MISC_USER) {
show = SHOW_USER;
level = '.';
@@ -146,19 +146,19 @@ process_event(event_t *event, unsigned long offset, unsigned long head)
trace_event(event);
switch (event->header.type) {
- case PERF_EVENT_MMAP ... PERF_EVENT_LOST:
+ case PERF_RECORD_MMAP ... PERF_RECORD_LOST:
return 0;
- case PERF_EVENT_COMM:
+ case PERF_RECORD_COMM:
return process_comm_event(event, offset, head);
- case PERF_EVENT_EXIT ... PERF_EVENT_READ:
+ case PERF_RECORD_EXIT ... PERF_RECORD_READ:
return 0;
- case PERF_EVENT_SAMPLE:
+ case PERF_RECORD_SAMPLE:
return process_sample_event(event, offset, head);
- case PERF_EVENT_MAX:
+ case PERF_RECORD_MAX:
default:
return -1;
}
diff --git a/tools/perf/design.txt b/tools/perf/design.txt
index f71e0d245cb..f1946d107b1 100644
--- a/tools/perf/design.txt
+++ b/tools/perf/design.txt
@@ -18,10 +18,10 @@ underlying hardware counters.
Performance counters are accessed via special file descriptors.
There's one file descriptor per virtual counter used.
-The special file descriptor is opened via the perf_counter_open()
+The special file descriptor is opened via the perf_event_open()
system call:
- int sys_perf_counter_open(struct perf_counter_hw_event *hw_event_uptr,
+ int sys_perf_event_open(struct perf_event_hw_event *hw_event_uptr,
pid_t pid, int cpu, int group_fd,
unsigned long flags);
@@ -32,9 +32,9 @@ can be used to set the blocking mode, etc.
Multiple counters can be kept open at a time, and the counters
can be poll()ed.
-When creating a new counter fd, 'perf_counter_hw_event' is:
+When creating a new counter fd, 'perf_event_hw_event' is:
-struct perf_counter_hw_event {
+struct perf_event_hw_event {
/*
* The MSB of the config word signifies if the rest contains cpu
* specific (raw) counter configuration data, if unset, the next
@@ -93,7 +93,7 @@ specified by 'event_id':
/*
* Generalized performance counter event types, used by the hw_event.event_id
- * parameter of the sys_perf_counter_open() syscall:
+ * parameter of the sys_perf_event_open() syscall:
*/
enum hw_event_ids {
/*
@@ -159,7 +159,7 @@ in size.
* reads on the counter should return the indicated quantities,
* in increasing order of bit value, after the counter value.
*/
-enum perf_counter_read_format {
+enum perf_event_read_format {
PERF_FORMAT_TOTAL_TIME_ENABLED = 1,
PERF_FORMAT_TOTAL_TIME_RUNNING = 2,
};
@@ -178,7 +178,7 @@ interrupt:
* Bits that can be set in hw_event.record_type to request information
* in the overflow packets.
*/
-enum perf_counter_record_format {
+enum perf_event_record_format {
PERF_RECORD_IP = 1U << 0,
PERF_RECORD_TID = 1U << 1,
PERF_RECORD_TIME = 1U << 2,
@@ -228,7 +228,7 @@ these events are recorded in the ring-buffer (see below).
The 'comm' bit allows tracking of process comm data on process creation.
This too is recorded in the ring-buffer (see below).
-The 'pid' parameter to the perf_counter_open() system call allows the
+The 'pid' parameter to the perf_event_open() system call allows the
counter to be specific to a task:
pid == 0: if the pid parameter is zero, the counter is attached to the
@@ -258,7 +258,7 @@ The 'flags' parameter is currently unused and must be zero.
The 'group_fd' parameter allows counter "groups" to be set up. A
counter group has one counter which is the group "leader". The leader
-is created first, with group_fd = -1 in the perf_counter_open call
+is created first, with group_fd = -1 in the perf_event_open call
that creates it. The rest of the group members are created
subsequently, with group_fd giving the fd of the group leader.
(A single counter on its own is created with group_fd = -1 and is
@@ -277,13 +277,13 @@ tracking are logged into a ring-buffer. This ring-buffer is created and
accessed through mmap().
The mmap size should be 1+2^n pages, where the first page is a meta-data page
-(struct perf_counter_mmap_page) that contains various bits of information such
+(struct perf_event_mmap_page) that contains various bits of information such
as where the ring-buffer head is.
/*
* Structure of the page that can be mapped via mmap
*/
-struct perf_counter_mmap_page {
+struct perf_event_mmap_page {
__u32 version; /* version number of this structure */
__u32 compat_version; /* lowest version this is compat with */
@@ -317,7 +317,7 @@ struct perf_counter_mmap_page {
* Control data for the mmap() data buffer.
*
* User-space reading this value should issue an rmb(), on SMP capable
- * platforms, after reading this value -- see perf_counter_wakeup().
+ * platforms, after reading this value -- see perf_event_wakeup().
*/
__u32 data_head; /* head in the data section */
};
@@ -327,9 +327,9 @@ NOTE: the hw-counter userspace bits are arch specific and are currently only
The following 2^n pages are the ring-buffer which contains events of the form:
-#define PERF_EVENT_MISC_KERNEL (1 << 0)
-#define PERF_EVENT_MISC_USER (1 << 1)
-#define PERF_EVENT_MISC_OVERFLOW (1 << 2)
+#define PERF_RECORD_MISC_KERNEL (1 << 0)
+#define PERF_RECORD_MISC_USER (1 << 1)
+#define PERF_RECORD_MISC_OVERFLOW (1 << 2)
struct perf_event_header {
__u32 type;
@@ -353,8 +353,8 @@ enum perf_event_type {
* char filename[];
* };
*/
- PERF_EVENT_MMAP = 1,
- PERF_EVENT_MUNMAP = 2,
+ PERF_RECORD_MMAP = 1,
+ PERF_RECORD_MUNMAP = 2,
/*
* struct {
@@ -364,10 +364,10 @@ enum perf_event_type {
* char comm[];
* };
*/
- PERF_EVENT_COMM = 3,
+ PERF_RECORD_COMM = 3,
/*
- * When header.misc & PERF_EVENT_MISC_OVERFLOW the event_type field
+ * When header.misc & PERF_RECORD_MISC_OVERFLOW the event_type field
* will be PERF_RECORD_*
*
* struct {
@@ -397,7 +397,7 @@ Notification of new events is possible through poll()/select()/epoll() and
fcntl() managing signals.
Normally a notification is generated for every page filled, however one can
-additionally set perf_counter_hw_event.wakeup_events to generate one every
+additionally set perf_event_hw_event.wakeup_events to generate one every
so many counter overflow events.
Future work will include a splice() interface to the ring-buffer.
@@ -409,11 +409,11 @@ events but does continue to exist and maintain its count value.
An individual counter or counter group can be enabled with
- ioctl(fd, PERF_COUNTER_IOC_ENABLE);
+ ioctl(fd, PERF_EVENT_IOC_ENABLE);
or disabled with
- ioctl(fd, PERF_COUNTER_IOC_DISABLE);
+ ioctl(fd, PERF_EVENT_IOC_DISABLE);
Enabling or disabling the leader of a group enables or disables the
whole group; that is, while the group leader is disabled, none of the
@@ -424,16 +424,16 @@ other counter.
Additionally, non-inherited overflow counters can use
- ioctl(fd, PERF_COUNTER_IOC_REFRESH, nr);
+ ioctl(fd, PERF_EVENT_IOC_REFRESH, nr);
to enable a counter for 'nr' events, after which it gets disabled again.
A process can enable or disable all the counter groups that are
attached to it, using prctl:
- prctl(PR_TASK_PERF_COUNTERS_ENABLE);
+ prctl(PR_TASK_PERF_EVENTS_ENABLE);
- prctl(PR_TASK_PERF_COUNTERS_DISABLE);
+ prctl(PR_TASK_PERF_EVENTS_DISABLE);
This applies to all counters on the current process, whether created
by this process or by another, and doesn't affect any counters that
@@ -447,11 +447,11 @@ Arch requirements
If your architecture does not have hardware performance metrics, you can
still use the generic software counters based on hrtimers for sampling.
-So to start with, in order to add HAVE_PERF_COUNTERS to your Kconfig, you
+So to start with, in order to add HAVE_PERF_EVENTS to your Kconfig, you
will need at least this:
- - asm/perf_counter.h - a basic stub will suffice at first
+ - asm/perf_event.h - a basic stub will suffice at first
- support for atomic64 types (and associated helper functions)
- - set_perf_counter_pending() implemented
+ - set_perf_event_pending() implemented
If your architecture does have hardware capabilities, you can override the
-weak stub hw_perf_counter_init() to register hardware counters.
+weak stub hw_perf_event_init() to register hardware counters.
diff --git a/tools/perf/perf.h b/tools/perf/perf.h
index 2abeb20d0bf..8cc4623afd6 100644
--- a/tools/perf/perf.h
+++ b/tools/perf/perf.h
@@ -52,15 +52,15 @@
#include <sys/types.h>
#include <sys/syscall.h>
-#include "../../include/linux/perf_counter.h"
+#include "../../include/linux/perf_event.h"
#include "util/types.h"
/*
- * prctl(PR_TASK_PERF_COUNTERS_DISABLE) will (cheaply) disable all
+ * prctl(PR_TASK_PERF_EVENTS_DISABLE) will (cheaply) disable all
* counters in the current task.
*/
-#define PR_TASK_PERF_COUNTERS_DISABLE 31
-#define PR_TASK_PERF_COUNTERS_ENABLE 32
+#define PR_TASK_PERF_EVENTS_DISABLE 31
+#define PR_TASK_PERF_EVENTS_ENABLE 32
#ifndef NSEC_PER_SEC
# define NSEC_PER_SEC 1000000000ULL
@@ -90,12 +90,12 @@ static inline unsigned long long rdclock(void)
_min1 < _min2 ? _min1 : _min2; })
static inline int
-sys_perf_counter_open(struct perf_counter_attr *attr,
+sys_perf_event_open(struct perf_event_attr *attr,
pid_t pid, int cpu, int group_fd,
unsigned long flags)
{
attr->size = sizeof(*attr);
- return syscall(__NR_perf_counter_open, attr, pid, cpu,
+ return syscall(__NR_perf_event_open, attr, pid, cpu,
group_fd, flags);
}
diff --git a/tools/perf/util/event.h b/tools/perf/util/event.h
index 018d414a09d..2c9c26d6ded 100644
--- a/tools/perf/util/event.h
+++ b/tools/perf/util/event.h
@@ -1,5 +1,5 @@
-#ifndef __PERF_EVENT_H
-#define __PERF_EVENT_H
+#ifndef __PERF_RECORD_H
+#define __PERF_RECORD_H
#include "../perf.h"
#include "util.h"
#include <linux/list.h>
diff --git a/tools/perf/util/header.c b/tools/perf/util/header.c
index bb4fca3efcc..e306857b2c2 100644
--- a/tools/perf/util/header.c
+++ b/tools/perf/util/header.c
@@ -9,7 +9,7 @@
/*
* Create new perf.data header attribute:
*/
-struct perf_header_attr *perf_header_attr__new(struct perf_counter_attr *attr)
+struct perf_header_attr *perf_header_attr__new(struct perf_event_attr *attr)
{
struct perf_header_attr *self = malloc(sizeof(*self));
@@ -134,7 +134,7 @@ struct perf_file_section {
};
struct perf_file_attr {
- struct perf_counter_attr attr;
+ struct perf_event_attr attr;
struct perf_file_section ids;
};
@@ -320,7 +320,7 @@ u64 perf_header__sample_type(struct perf_header *header)
return type;
}
-struct perf_counter_attr *
+struct perf_event_attr *
perf_header__find_attr(u64 id, struct perf_header *header)
{
int i;
diff --git a/tools/perf/util/header.h b/tools/perf/util/header.h
index 7b0e84a8717..a0761bc7863 100644
--- a/tools/perf/util/header.h
+++ b/tools/perf/util/header.h
@@ -1,12 +1,12 @@
#ifndef _PERF_HEADER_H
#define _PERF_HEADER_H
-#include "../../../include/linux/perf_counter.h"
+#include "../../../include/linux/perf_event.h"
#include <sys/types.h>
#include "types.h"
struct perf_header_attr {
- struct perf_counter_attr attr;
+ struct perf_event_attr attr;
int ids, size;
u64 *id;
off_t id_offset;
@@ -34,11 +34,11 @@ char *perf_header__find_event(u64 id);
struct perf_header_attr *
-perf_header_attr__new(struct perf_counter_attr *attr);
+perf_header_attr__new(struct perf_event_attr *attr);
void perf_header_attr__add_id(struct perf_header_attr *self, u64 id);
u64 perf_header__sample_type(struct perf_header *header);
-struct perf_counter_attr *
+struct perf_event_attr *
perf_header__find_attr(u64 id, struct perf_header *header);
diff --git a/tools/perf/util/parse-events.c b/tools/perf/util/parse-events.c
index 89172fd0038..13ab4b842d4 100644
--- a/tools/perf/util/parse-events.c
+++ b/tools/perf/util/parse-events.c
@@ -10,7 +10,7 @@
int nr_counters;
-struct perf_counter_attr attrs[MAX_COUNTERS];
+struct perf_event_attr attrs[MAX_COUNTERS];
struct event_symbol {
u8 type;
@@ -48,13 +48,13 @@ static struct event_symbol event_symbols[] = {
{ CSW(CPU_MIGRATIONS), "cpu-migrations", "migrations" },
};
-#define __PERF_COUNTER_FIELD(config, name) \
- ((config & PERF_COUNTER_##name##_MASK) >> PERF_COUNTER_##name##_SHIFT)
+#define __PERF_EVENT_FIELD(config, name) \
+ ((config & PERF_EVENT_##name##_MASK) >> PERF_EVENT_##name##_SHIFT)
-#define PERF_COUNTER_RAW(config) __PERF_COUNTER_FIELD(config, RAW)
-#define PERF_COUNTER_CONFIG(config) __PERF_COUNTER_FIELD(config, CONFIG)
-#define PERF_COUNTER_TYPE(config) __PERF_COUNTER_FIELD(config, TYPE)
-#define PERF_COUNTER_ID(config) __PERF_COUNTER_FIELD(config, EVENT)
+#define PERF_EVENT_RAW(config) __PERF_EVENT_FIELD(config, RAW)
+#define PERF_EVENT_CONFIG(config) __PERF_EVENT_FIELD(config, CONFIG)
+#define PERF_EVENT_TYPE(config) __PERF_EVENT_FIELD(config, TYPE)
+#define PERF_EVENT_ID(config) __PERF_EVENT_FIELD(config, EVENT)
static const char *hw_event_names[] = {
"cycles",
@@ -352,7 +352,7 @@ static int parse_aliases(const char **str, const char *names[][MAX_ALIASES], int
}
static enum event_result
-parse_generic_hw_event(const char **str, struct perf_counter_attr *attr)
+parse_generic_hw_event(const char **str, struct perf_event_attr *attr)
{
const char *s = *str;
int cache_type = -1, cache_op = -1, cache_result = -1;
@@ -417,7 +417,7 @@ parse_single_tracepoint_event(char *sys_name,
const char *evt_name,
unsigned int evt_length,
char *flags,
- struct perf_counter_attr *attr,
+ struct perf_event_attr *attr,
const char **strp)
{
char evt_path[MAXPATHLEN];
@@ -505,7 +505,7 @@ parse_subsystem_tracepoint_event(char *sys_name, char *flags)
static enum event_result parse_tracepoint_event(const char **strp,
- struct perf_counter_attr *attr)
+ struct perf_event_attr *attr)
{
const char *evt_name;
char *flags;
@@ -563,7 +563,7 @@ static int check_events(const char *str, unsigned int i)
}
static enum event_result
-parse_symbolic_event(const char **strp, struct perf_counter_attr *attr)
+parse_symbolic_event(const char **strp, struct perf_event_attr *attr)
{
const char *str = *strp;
unsigned int i;
@@ -582,7 +582,7 @@ parse_symbolic_event(const char **strp, struct perf_counter_attr *attr)
}
static enum event_result
-parse_raw_event(const char **strp, struct perf_counter_attr *attr)
+parse_raw_event(const char **strp, struct perf_event_attr *attr)
{
const char *str = *strp;
u64 config;
@@ -601,7 +601,7 @@ parse_raw_event(const char **strp, struct perf_counter_attr *attr)
}
static enum event_result
-parse_numeric_event(const char **strp, struct perf_counter_attr *attr)
+parse_numeric_event(const char **strp, struct perf_event_attr *attr)
{
const char *str = *strp;
char *endp;
@@ -623,7 +623,7 @@ parse_numeric_event(const char **strp, struct perf_counter_attr *attr)
}
static enum event_result
-parse_event_modifier(const char **strp, struct perf_counter_attr *attr)
+parse_event_modifier(const char **strp, struct perf_event_attr *attr)
{
const char *str = *strp;
int eu = 1, ek = 1, eh = 1;
@@ -656,7 +656,7 @@ parse_event_modifier(const char **strp, struct perf_counter_attr *attr)
* Symbolic names are (almost) exactly matched.
*/
static enum event_result
-parse_event_symbols(const char **str, struct perf_counter_attr *attr)
+parse_event_symbols(const char **str, struct perf_event_attr *attr)
{
enum event_result ret;
@@ -711,7 +711,7 @@ static void store_event_type(const char *orgname)
int parse_events(const struct option *opt __used, const char *str, int unset __used)
{
- struct perf_counter_attr attr;
+ struct perf_event_attr attr;
enum event_result ret;
if (strchr(str, ':'))
diff --git a/tools/perf/util/parse-events.h b/tools/perf/util/parse-events.h
index 60704c15961..30c60811284 100644
--- a/tools/perf/util/parse-events.h
+++ b/tools/perf/util/parse-events.h
@@ -16,7 +16,7 @@ extern struct tracepoint_path *tracepoint_id_to_path(u64 config);
extern int nr_counters;
-extern struct perf_counter_attr attrs[MAX_COUNTERS];
+extern struct perf_event_attr attrs[MAX_COUNTERS];
extern const char *event_name(int ctr);
extern const char *__event_name(int type, u64 config);
diff --git a/tools/perf/util/trace-event-info.c b/tools/perf/util/trace-event-info.c
index 1fd824c1f1c..af4b0573b37 100644
--- a/tools/perf/util/trace-event-info.c
+++ b/tools/perf/util/trace-event-info.c
@@ -480,12 +480,12 @@ out:
}
static struct tracepoint_path *
-get_tracepoints_path(struct perf_counter_attr *pattrs, int nb_counters)
+get_tracepoints_path(struct perf_event_attr *pattrs, int nb_events)
{
struct tracepoint_path path, *ppath = &path;
int i;
- for (i = 0; i < nb_counters; i++) {
+ for (i = 0; i < nb_events; i++) {
if (pattrs[i].type != PERF_TYPE_TRACEPOINT)
continue;
ppath->next = tracepoint_id_to_path(pattrs[i].config);
@@ -496,7 +496,7 @@ get_tracepoints_path(struct perf_counter_attr *pattrs, int nb_counters)
return path.next;
}
-void read_tracing_data(struct perf_counter_attr *pattrs, int nb_counters)
+void read_tracing_data(struct perf_event_attr *pattrs, int nb_events)
{
char buf[BUFSIZ];
struct tracepoint_path *tps;
@@ -530,7 +530,7 @@ void read_tracing_data(struct perf_counter_attr *pattrs, int nb_counters)
page_size = getpagesize();
write_or_die(&page_size, 4);
- tps = get_tracepoints_path(pattrs, nb_counters);
+ tps = get_tracepoints_path(pattrs, nb_events);
read_header_files();
read_ftrace_files(tps);
diff --git a/tools/perf/util/trace-event.h b/tools/perf/util/trace-event.h
index d35ebf1e29f..693f815c942 100644
--- a/tools/perf/util/trace-event.h
+++ b/tools/perf/util/trace-event.h
@@ -240,6 +240,6 @@ unsigned long long
raw_field_value(struct event *event, const char *name, void *data);
void *raw_field_ptr(struct event *event, const char *name, void *data);
-void read_tracing_data(struct perf_counter_attr *pattrs, int nb_counters);
+void read_tracing_data(struct perf_event_attr *pattrs, int nb_events);
#endif /* _TRACE_EVENTS_H */