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authorFrederic Weisbecker <fweisbec@gmail.com>2009-09-18 00:54:43 +0200
committerFrederic Weisbecker <fweisbec@gmail.com>2009-09-18 06:14:32 +0200
commite5e25cf47b0bdd1f7e9b8bb6368ee48e16de0c87 (patch)
tree043e6215359853812130324a24e3d03511b41e2b /include/trace
parent0efb4d20723d58edbad29d1ff98a86b631adb5e6 (diff)
downloadop-kernel-dev-e5e25cf47b0bdd1f7e9b8bb6368ee48e16de0c87.zip
op-kernel-dev-e5e25cf47b0bdd1f7e9b8bb6368ee48e16de0c87.tar.gz
tracing: Factorize the events profile accounting
Factorize the events enabling accounting in a common tracing core helper. This reduces the size of the profile_enable() and profile_disable() callbacks for each trace events. Signed-off-by: Frederic Weisbecker <fweisbec@gmail.com> Acked-by: Steven Rostedt <rostedt@goodmis.org> Acked-by: Li Zefan <lizf@cn.fujitsu.com> Cc: Peter Zijlstra <peterz@infradead.org> Cc: Jason Baron <jbaron@redhat.com> Cc: Masami Hiramatsu <mhiramat@redhat.com> Cc: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'include/trace')
-rw-r--r--include/trace/ftrace.h28
1 files changed, 8 insertions, 20 deletions
diff --git a/include/trace/ftrace.h b/include/trace/ftrace.h
index 72a3b43..a822087 100644
--- a/include/trace/ftrace.h
+++ b/include/trace/ftrace.h
@@ -382,20 +382,14 @@ static inline int ftrace_get_offsets_##call( \
*
* NOTE: The insertion profile callback (ftrace_profile_<call>) is defined later
*
- * static int ftrace_profile_enable_<call>(struct ftrace_event_call *event_call)
+ * static int ftrace_profile_enable_<call>(void)
* {
- * int ret = 0;
- *
- * if (!atomic_inc_return(&event_call->profile_count))
- * ret = register_trace_<call>(ftrace_profile_<call>);
- *
- * return ret;
+ * return register_trace_<call>(ftrace_profile_<call>);
* }
*
- * static void ftrace_profile_disable_<call>(struct ftrace_event_call *event_call)
+ * static void ftrace_profile_disable_<call>(void)
* {
- * if (atomic_add_negative(-1, &event->call->profile_count))
- * unregister_trace_<call>(ftrace_profile_<call>);
+ * unregister_trace_<call>(ftrace_profile_<call>);
* }
*
*/
@@ -405,20 +399,14 @@ static inline int ftrace_get_offsets_##call( \
\
static void ftrace_profile_##call(proto); \
\
-static int ftrace_profile_enable_##call(struct ftrace_event_call *event_call) \
+static int ftrace_profile_enable_##call(void) \
{ \
- int ret = 0; \
- \
- if (!atomic_inc_return(&event_call->profile_count)) \
- ret = register_trace_##call(ftrace_profile_##call); \
- \
- return ret; \
+ return register_trace_##call(ftrace_profile_##call); \
} \
\
-static void ftrace_profile_disable_##call(struct ftrace_event_call *event_call)\
+static void ftrace_profile_disable_##call(void) \
{ \
- if (atomic_add_negative(-1, &event_call->profile_count)) \
- unregister_trace_##call(ftrace_profile_##call); \
+ unregister_trace_##call(ftrace_profile_##call); \
}
#include TRACE_INCLUDE(TRACE_INCLUDE_FILE)
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