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

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Date:	Fri, 25 Oct 2013 12:19:07 -0600
From:	David Ahern <dsahern@...il.com>
To:	Frederic Weisbecker <fweisbec@...il.com>
CC:	Arnaldo Carvalho de Melo <acme@...stprotocols.net>,
	Namhyung Kim <namhyung@...nel.org>,
	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

On 10/25/13 12:12 PM, Frederic Weisbecker wrote:
> Oh I see. It's possible that my massive conversion to use the comm
> accessor got blind at some point and left over a few things. I
> remember that I only lightly tested that new comm infrastructure. I
> mean I tested a lot of "perf report -s foo,bar" combinations for
> performance comparisons but I haven't tested the perf script and all
> the other perf tools.
>
> I'll rebase these patches and test that wider before resending.

specifically, I see stuff like perf forking ls and comm still shows as 
perf even though there is COMM record with the rename to ls. I believe 
the test case was something like:

perf sched record -- ls
perf script

David

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