linux-kernel - Re: [PATCH 6/8] perf tools: Add new comm infrastructure

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Message-ID: <20131028174843.GH16948@ghostprotocols.net>
Date:	Mon, 28 Oct 2013 14:48:43 -0300
From:	Arnaldo Carvalho de Melo <acme@...stprotocols.net>
To:	Frederic Weisbecker <fweisbec@...il.com>
Cc:	Namhyung Kim <namhyung@...nel.org>,
	David Ahern <dsahern@...il.com>,
	Peter Zijlstra <a.p.zijlstra@...llo.nl>,
	Paul Mackerras <paulus@...ba.org>,
	Ingo Molnar <mingo@...nel.org>,
	Namhyung Kim <namhyung.kim@....com>,
	LKML <linux-kernel@...r.kernel.org>,
	Linus Torvalds <torvalds@...ux-foundation.org>,
	Jiri Olsa <jolsa@...hat.com>, Ingo Molnar <mingo@...e.hu>,
	Stephane Eranian <eranian@...gle.com>
Subject: Re: [PATCH 6/8] perf tools: Add new comm infrastructure

Em Mon, Oct 28, 2013 at 02:01:11PM -0300, Arnaldo Carvalho de Melo escreveu:
> Em Mon, Oct 28, 2013 at 05:05:30PM +0100, Frederic Weisbecker escreveu:
> > 
> > Also it differentiate between pre-exec and post-fork events, which looks
> > more precise (and it fixes some comm mangling as well):
> > 
> > 
> > Before:
> > 
> >      # Overhead          Command
> >      # ........  ...............
> >      #
> >        100.00%  sched-me
> 
> I noticed the above, just on the --stdio tho, checking why this is so...
> Can you try without --stdio, even using --tui?

Thanks for this report, if you try my perf/urgent now it should be
fixed, was a problem fixed by Jiri Olsa that I thought affected only
perf/core.

I cherry picked it and it fixed the problem for me, can you check that?

- Arnaldo
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