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authorFrederic Weisbecker <fweisbec@gmail.com>2009-10-18 01:09:09 +0200
committerFrederic Weisbecker <fweisbec@gmail.com>2009-10-18 01:12:33 +0200
commit0f8f86c7bdd1c954fbe153af437a0d91a6c5721a (patch)
tree94a8d419a470a4f9852ca397bb9bbe48db92ff5c /samples/markers/probe-example.c
parentdca2d6ac09d9ef59ff46820d4f0c94b08a671202 (diff)
parentf39cdf25bf77219676ec5360980ac40b1a7e144a (diff)
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Merge commit 'perf/core' into perf/hw-breakpoint
Conflicts: kernel/Makefile kernel/trace/Makefile kernel/trace/trace.h samples/Makefile Merge reason: We need to be uptodate with the perf events development branch because we plan to rewrite the breakpoints API on top of perf events.
Diffstat (limited to 'samples/markers/probe-example.c')
-rw-r--r--samples/markers/probe-example.c92
1 files changed, 0 insertions, 92 deletions
diff --git a/samples/markers/probe-example.c b/samples/markers/probe-example.c
deleted file mode 100644
index 2dfb3b32937..00000000000
--- a/samples/markers/probe-example.c
+++ /dev/null
@@ -1,92 +0,0 @@
-/* probe-example.c
- *
- * Connects two functions to marker call sites.
- *
- * (C) Copyright 2007 Mathieu Desnoyers <mathieu.desnoyers@polymtl.ca>
- *
- * This file is released under the GPLv2.
- * See the file COPYING for more details.
- */
-
-#include <linux/sched.h>
-#include <linux/kernel.h>
-#include <linux/module.h>
-#include <linux/marker.h>
-#include <asm/atomic.h>
-
-struct probe_data {
- const char *name;
- const char *format;
- marker_probe_func *probe_func;
-};
-
-void probe_subsystem_event(void *probe_data, void *call_data,
- const char *format, va_list *args)
-{
- /* Declare args */
- unsigned int value;
- const char *mystr;
-
- /* Assign args */
- value = va_arg(*args, typeof(value));
- mystr = va_arg(*args, typeof(mystr));
-
- /* Call printk */
- printk(KERN_INFO "Value %u, string %s\n", value, mystr);
-
- /* or count, check rights, serialize data in a buffer */
-}
-
-atomic_t eventb_count = ATOMIC_INIT(0);
-
-void probe_subsystem_eventb(void *probe_data, void *call_data,
- const char *format, va_list *args)
-{
- /* Increment counter */
- atomic_inc(&eventb_count);
-}
-
-static struct probe_data probe_array[] =
-{
- { .name = "subsystem_event",
- .format = "integer %d string %s",
- .probe_func = probe_subsystem_event },
- { .name = "subsystem_eventb",
- .format = MARK_NOARGS,
- .probe_func = probe_subsystem_eventb },
-};
-
-static int __init probe_init(void)
-{
- int result;
- int i;
-
- for (i = 0; i < ARRAY_SIZE(probe_array); i++) {
- result = marker_probe_register(probe_array[i].name,
- probe_array[i].format,
- probe_array[i].probe_func, &probe_array[i]);
- if (result)
- printk(KERN_INFO "Unable to register probe %s\n",
- probe_array[i].name);
- }
- return 0;
-}
-
-static void __exit probe_fini(void)
-{
- int i;
-
- for (i = 0; i < ARRAY_SIZE(probe_array); i++)
- marker_probe_unregister(probe_array[i].name,
- probe_array[i].probe_func, &probe_array[i]);
- printk(KERN_INFO "Number of event b : %u\n",
- atomic_read(&eventb_count));
- marker_synchronize_unregister();
-}
-
-module_init(probe_init);
-module_exit(probe_fini);
-
-MODULE_LICENSE("GPL");
-MODULE_AUTHOR("Mathieu Desnoyers");
-MODULE_DESCRIPTION("SUBSYSTEM Probe");