aboutsummaryrefslogtreecommitdiffstats
path: root/include/trace
diff options
context:
space:
mode:
authorAvi Kivity <avi@redhat.com>2010-04-19 12:52:53 +0300
committerAvi Kivity <avi@redhat.com>2010-05-17 12:17:58 +0300
commit9beeaa2d689842f7760aa16c512e6bb8182d38b6 (patch)
tree62cea0772127c4b1c0b476e46dec6830d36809c1 /include/trace
parent3246af0ece6c61689847417977733f0b12dc4b6f (diff)
parenta1645ce12adb6c9cc9e19d7695466204e3f017fe (diff)
downloadmrst-s0i3-test-9beeaa2d689842f7760aa16c512e6bb8182d38b6.tar.gz
mrst-s0i3-test-9beeaa2d689842f7760aa16c512e6bb8182d38b6.tar.xz
mrst-s0i3-test-9beeaa2d689842f7760aa16c512e6bb8182d38b6.zip
Merge branch 'perf'
Signed-off-by: Avi Kivity <avi@redhat.com>
Diffstat (limited to 'include/trace')
-rw-r--r--include/trace/ftrace.h23
1 files changed, 12 insertions, 11 deletions
diff --git a/include/trace/ftrace.h b/include/trace/ftrace.h
index ea6f9d4a20e..882c64832ff 100644
--- a/include/trace/ftrace.h
+++ b/include/trace/ftrace.h
@@ -758,13 +758,12 @@ __attribute__((section("_ftrace_events"))) event_##call = { \
#define DECLARE_EVENT_CLASS(call, proto, args, tstruct, assign, print) \
static notrace void \
perf_trace_templ_##call(struct ftrace_event_call *event_call, \
- proto) \
+ struct pt_regs *__regs, proto) \
{ \
struct ftrace_data_offsets_##call __maybe_unused __data_offsets;\
struct ftrace_raw_##call *entry; \
u64 __addr = 0, __count = 1; \
unsigned long irq_flags; \
- struct pt_regs *__regs; \
int __entry_size; \
int __data_size; \
int rctx; \
@@ -785,20 +784,22 @@ perf_trace_templ_##call(struct ftrace_event_call *event_call, \
\
{ assign; } \
\
- __regs = &__get_cpu_var(perf_trace_regs); \
- perf_fetch_caller_regs(__regs, 2); \
- \
perf_trace_buf_submit(entry, __entry_size, rctx, __addr, \
__count, irq_flags, __regs); \
}
#undef DEFINE_EVENT
-#define DEFINE_EVENT(template, call, proto, args) \
-static notrace void perf_trace_##call(proto) \
-{ \
- struct ftrace_event_call *event_call = &event_##call; \
- \
- perf_trace_templ_##template(event_call, args); \
+#define DEFINE_EVENT(template, call, proto, args) \
+static notrace void perf_trace_##call(proto) \
+{ \
+ struct ftrace_event_call *event_call = &event_##call; \
+ struct pt_regs *__regs = &get_cpu_var(perf_trace_regs); \
+ \
+ perf_fetch_caller_regs(__regs, 1); \
+ \
+ perf_trace_templ_##template(event_call, __regs, args); \
+ \
+ put_cpu_var(perf_trace_regs); \
}
#undef DEFINE_EVENT_PRINT