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

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Date:	Fri, 25 Oct 2013 19:12:36 +0100
From:	Frederic Weisbecker <fweisbec@...il.com>
To:	David Ahern <dsahern@...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

2013/10/25 David Ahern <dsahern@...il.com>:
> On 10/25/13 7:04 AM, Arnaldo Carvalho de Melo wrote:
>>
>> Em Fri, Oct 25, 2013 at 11:56:31AM +0100, Frederic Weisbecker escreveu:
>>>
>>> 2013/10/11 Namhyung Kim <namhyung@...nel.org>:
>>>>
>>>> From: Frederic Weisbecker <fweisbec@...il.com>
>>
>>
>>>> This new comm infrastructure provides two features:
>>
>>
>>> I was wondering about the fate of these patches. I can resend these or
>>> do any rebase if you need to.
>>
>>
>> So I applied the first few patches, but deferred working on this part,
>> the comm one, because Jiri Olsa had some problems with it, IIRC, Jiri?
>> Can you refresh my mind and ellaborate on it?
>
>
> I also saw some comm related problems with Namhyung's tree. Not sure if it
> contained all of Frederic's patches. I have not had time to chase down what
> is going on -- just that comm's coming out of perf-script were not correct.

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.

Thanks!
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