Re: [tip:perf/core] perf script: Print comm, fork and exit eventsalso

From: Frederic Weisbecker
Date: Mon Dec 02 2013 - 09:35:45 EST


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@xxxxxxxxxx>
> AuthorDate: Tue, 26 Nov 2013 17:51:12 +0900
> Committer: Arnaldo Carvalho de Melo <acme@xxxxxxxxxx>
> 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@xxxxxxxxxx>
> Suggested-by: Frederic Weisbecker <fweisbec@xxxxxxxxx>

Thanks a lot for doing this Namhyung!
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