Re: [PATCH] perf: Enable function tracing for perf core

From: Ingo Molnar
Date: Wed Apr 10 2013 - 08:56:13 EST



* Steven Rostedt <rostedt@xxxxxxxxxxx> wrote:

> On Thu, 2013-03-28 at 08:45 -0700, Andi Kleen wrote:
> > Andi Kleen <andi@xxxxxxxxxxxxxx> writes:
> >
> > > From: Andi Kleen <ak@xxxxxxxxxxxxxxx>
> > >
> > > According to Steven R. there is no reason left to not support
> > > function tracing for the perf core. This makes it easier to debug
> > > perf.
> > >
> > > Don't remove -pg for the x86 and generic perf core.
> >
> > Ping! patch is missing review.
> >
>
> This needs an acked-by from either Peter or Frederic.

I think this was mentioned before: there was measurable overhead due to this, so
that has to be re-measured.

Thanks,

Ingo
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