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>
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 @@
*
* 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 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)