Messages in this thread | | | Date | Mon, 12 May 2014 11:17:48 -0400 | From | Steven Rostedt <> | Subject | Re: [PATCH] sched: Distinguish sched_wakeup event when wake up a task which did schedule out or not. |
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On Mon, 12 May 2014 17:09:50 +0200 Peter Zijlstra <peterz@infradead.org> wrote:
> > Point being, this is useful information, why not pass it to userspace? > > Because it adds code to one of the hottest code paths in the kernel and > so far nobody had a sane explanation of WTF they were doing. >
Is there a measurable difference with these extra tracepoints?
-- Steve
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