On Thu, 2013-06-20 at 12:35 -0600, David Ahern wrote:
> On 6/20/13 12:23 PM, Steven Rostedt wrote:
> >
> > I ran this:
> >
> > perf stat --repeat 100 -- perf bench sched pipe >
> > /tmp/perf-bench-sched.{before, after}
>
> You want to compare:
> perf stat --repeat 100 -p 1 -- perf bench sched pipe
>
> so that event is tagged to pid 1 and not the perf-bench workload.
I guess I'm a bit confused. What's the significance of measuring pid 1
(init)?
-- Steve
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