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tracing: Factorize the events profile accounting

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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>
This commit is contained in:
Frederic Weisbecker
2009-09-18 00:54:43 +02:00
parent 0efb4d2072
commit e5e25cf47b
4 changed files with 36 additions and 40 deletions
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28
include/trace/ftrace.h
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@@ -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)