OpenCloudOS-Kernel/kernel/trace/trace_event_profile.c

32 lines
525 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);
}
}