From: Arnaldo Carvalho de Melo <acme@infradead.org>
To: Peter Zijlstra <a.p.zijlstra@chello.nl>
Cc: Borislav Petkov <bp@amd64.org>, Ingo Molnar <mingo@elte.hu>,
LKML <linux-kernel@vger.kernel.org>
Subject: Re: Funny perf
Date: Wed, 23 Feb 2011 08:53:37 -0300 [thread overview]
Message-ID: <20110223115337.GB12398@ghostprotocols.net> (raw)
In-Reply-To: <1298456508.2217.357.camel@twins>
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
next prev parent reply other threads:[~2011-02-23 11:53 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-02-17 18:26 Funny perf Borislav Petkov
2011-02-23 10:21 ` Peter Zijlstra
2011-02-23 11:53 ` Arnaldo Carvalho de Melo [this message]
2011-02-23 12:29 ` Borislav Petkov
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