ftrace: event profile hooks
Impact: new tracing infrastructure feature
Provide infrastructure to generate software perf counter events
from tracepoints.
Signed-off-by: Peter Zijlstra <a.p.zijlstra@chello.nl>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Steven Rostedt <rostedt@goodmis.org>
LKML-Reference: <20090319194233.557364871@chello.nl>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
diff --git a/kernel/trace/trace_events.c b/kernel/trace/trace_events.c
index 7763db8..3047b56 100644
--- a/kernel/trace/trace_events.c
+++ b/kernel/trace/trace_events.c
@@ -19,11 +19,6 @@
static DEFINE_MUTEX(event_mutex);
-#define events_for_each(event) \
- for (event = __start_ftrace_events; \
- (unsigned long)event < (unsigned long)__stop_ftrace_events; \
- event++)
-
static void ftrace_clear_events(void)
{
struct ftrace_event_call *call = (void *)__start_ftrace_events;
@@ -90,7 +85,7 @@
}
mutex_lock(&event_mutex);
- events_for_each(call) {
+ for_each_event(call) {
if (!call->name || !call->regfunc)
continue;
@@ -628,7 +623,7 @@
if (!d_events)
return 0;
- events_for_each(call) {
+ for_each_event(call) {
/* The linker may leave blanks */
if (!call->name)
continue;