Re: [PATCH 1/2] ftrace: add notrace to ARM sched_clock routines


On Sat, 2 May 2009, Frederic Weisbecker wrote:
}
@@ -203,7 +203,7 @@ static struct clocksource clocksource_32
* Returns current time from boot in nsecs. It's OK for this to wrap
* around for now, as it's just a relative time stamp.
*/
-unsigned long long sched_clock(void)
+unsigned long long notrace sched_clock(void)
{
unsigned long long ret;


I've looked into all of these functions and they don't seem to call
anything that could be traced. I could have missed something though
but it looks good.

I think the issue is that the tracing clock will call these functions, and
we will waste time recursing into them.


Acked-by: Frederic Weisbecker <fweisbec@xxxxxxxxx>

Heck I'll add mine too ;-)

Acked-by: Steven Rostedt <rostedt@xxxxxxxxxxx>

-- Steve

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