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

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Message-ID: <CAFTL4hz-4ASg8iba6A7_wyU8RaT9a7e9oRkobAbz5+qOt9i9RQ@mail.gmail.com>
Date:	Fri, 25 Oct 2013 11:56:31 +0100
From:	Frederic Weisbecker <fweisbec@...il.com>
To:	Namhyung Kim <namhyung@...nel.org>
Cc:	Arnaldo Carvalho de Melo <acme@...stprotocols.net>,
	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>, David Ahern <dsahern@...il.com>,
	Ingo Molnar <mingo@...e.hu>,
	Arnaldo Carvalho de Melo <acme@...hat.com>,
	Stephane Eranian <eranian@...gle.com>
Subject: Re: [PATCH 6/8] perf tools: Add new comm infrastructure

2013/10/11 Namhyung Kim <namhyung@...nel.org>:
> From: Frederic Weisbecker <fweisbec@...il.com>
>
> This new comm infrastructure provides two features:
>
> 1) It keeps track of all comms lifecycle for a given thread. This
> way we can associate a timeframe to any thread comm, as long as
> PERF_SAMPLE_TIME samples are joined to comm and fork events.
>
> As a result we should have more precise comm sorted hists with
> seperated entries for pre and post exec time after a fork.
>
> 2) It also makes sure that a given comm string is not duplicated
> but rather shared among the threads that refer to it. This way the
> threads comm can be compared against pointer values from the sort
> infrastructure.
>
> Signed-off-by: Frederic Weisbecker <fweisbec@...il.com>
> Cc: Jiri Olsa <jolsa@...hat.com>
> Cc: David Ahern <dsahern@...il.com>
> Cc: Ingo Molnar <mingo@...e.hu>
> Cc: Peter Zijlstra <a.p.zijlstra@...llo.nl>
> Cc: Arnaldo Carvalho de Melo <acme@...hat.com>
> Cc: Stephane Eranian <eranian@...gle.com>
> Link: http://lkml.kernel.org/n/tip-hwjf70b2wve9m2kosxiq8bb3@git.kernel.org
> [ Rename some accessor functions ]
> Signed-off-by: Namhyung Kim <namhyung@...nel.org>
> [ Fixed up minor const pointer issues and removed 'self' usage ]
> Signed-off-by: Arnaldo Carvalho de Melo <acme@...hat.com>

Hi,

I was wondering about the fate of these patches. I can resend these or
do any rebase if you need to.

Thanks.
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