forked from luck/tmp_suning_uos_patched
31 lines
524 B
C
31 lines
524 B
C
|
/*
|
||
|
|
* trace event based perf counter profiling
|
||
|
|
*
|
||
|
|
* Copyright (C) 2009 Red Hat Inc, Peter Zijlstra <pzijlstr@redhat.com>
|
||
|
|
*
|
||
|
|
*/
|
||
|
|
|
||
|
|
#include "trace.h"
|
||
|
|
|
||
|
|
int ftrace_profile_enable(int event_id)
|
||
|
|
{
|
||
|
|
struct ftrace_event_call *event;
|
||
|
|
|
||
|
|
for_each_event(event) {
|
||
|
|
if (event->id == event_id)
|
||
|
|
return event->profile_enable(event);
|
||
|
|
}
|
||
|
|
|
||
|
|
return -EINVAL;
|
||
|
|
}
|
||
|
|
|
||
|
|
void ftrace_profile_disable(int event_id)
|
||
|
|
{
|
||
|
|
struct ftrace_event_call *event;
|
||
|
|
|
||
|
|
for_each_event(event) {
|
||
|
|
if (event->id == event_id)
|
||
|
|
return event->profile_disable(event);
|
||
|
|
}
|
||
|
|
}
|