linux-kernel - Re: [tip:perf/core] perf script: Print comm, fork and exit events also

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Message-ID: <20131202143530.GA6758@localhost.localdomain>
Date:	Mon, 2 Dec 2013 15:35:32 +0100
From:	Frederic Weisbecker <fweisbec@...il.com>
To:	mingo@...nel.org, hpa@...or.com, paulus@...ba.org,
	linux-kernel@...r.kernel.org, acme@...hat.com,
	a.p.zijlstra@...llo.nl, namhyung.kim@....com, namhyung@...nel.org,
	dsahern@...il.com, tglx@...utronix.de
Cc:	linux-tip-commits@...r.kernel.org
Subject: Re: [tip:perf/core] perf script: Print comm, fork and exit events
 also

On Sat, Nov 30, 2013 at 04:53:07AM -0800, tip-bot for Namhyung Kim wrote:
> Commit-ID:  ad7ebb9a48f59bad2714b64725653a73d78b686e
> Gitweb:     http://git.kernel.org/tip/ad7ebb9a48f59bad2714b64725653a73d78b686e
> Author:     Namhyung Kim <namhyung@...nel.org>
> AuthorDate: Tue, 26 Nov 2013 17:51:12 +0900
> Committer:  Arnaldo Carvalho de Melo <acme@...hat.com>
> CommitDate: Wed, 27 Nov 2013 14:58:38 -0300
> 
> perf script: Print comm, fork and exit events also
> 
> If --show-task-events option is given, also print internal COMM, FORK
> and EXIT events.  It would be helpful for debugging.
> 
>   $ perf script --show-task-events
>   ...
>          swapper     0 [009] 3350640.335261: sched:sched_switch: prev_comm=swapper/9
>            sleep  9486 [009] 3350640.335509: PERF_RECORD_COMM: sleep:9486
>            sleep  9486 [009] 3350640.335806: sched:sched_stat_runtime: comm=sleep pid=9486
>          firefox  2635 [003] 3350641.275896: PERF_RECORD_FORK(2635:9487):(2635:2635)
>          firefox  2635 [003] 3350641.275896: sched:sched_process_fork: comm=firefox pid=2635
>            sleep  9486 [009] 3350641.336009: PERF_RECORD_EXIT(9486:9486):(9486:9486)
> 
> Signed-off-by: Namhyung Kim <namhyung@...nel.org>
> Suggested-by: Frederic Weisbecker <fweisbec@...il.com>

Thanks a lot for doing this Namhyung!
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