Re: Funny perf

From: Arnaldo Carvalho de Melo
Date: Wed Feb 23 2011 - 06:54:03 EST


Em Wed, Feb 23, 2011 at 11:21:48AM +0100, Peter Zijlstra escreveu:
> On Thu, 2011-02-17 at 19:26 +0100, Borislav Petkov wrote:
> > so this looks like some of the samples do not belong in the perf.data
> > output with that garbled cpu field. It lets me also assume that the
> > sample->time field is also crap so the timestamp check is falsely
> > tripped.
>
> Most interesting, I haven't tried to reproduce, but it does sound
> smelly.
>
> I did have a quick peek at some code I suspected but that all seems in
> order. I guess someone will have to sit down and figure this out proper,
> if nobody steps up I guess it'll have to be me, but that also means it
> might take a while since I've got some other pending stuff to stare at
> before this :/

I'll look at it today.

- Arnaldo
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