linux-kernel - Re: [PATCH 25/25] perf stat: Introduce --per-task option

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Message-ID: <20150610192816.GJ3332@kernel.org>
Date:	Wed, 10 Jun 2015 16:28:16 -0300
From:	Arnaldo Carvalho de Melo <acme@...nel.org>
To:	David Ahern <dsahern@...il.com>
Cc:	Jiri Olsa <jolsa@...nel.org>, lkml <linux-kernel@...r.kernel.org>,
	Adrian Hunter <adrian.hunter@...el.com>,
	Andi Kleen <ak@...ux.intel.com>,
	Ingo Molnar <mingo@...nel.org>,
	Namhyung Kim <namhyung@...nel.org>,
	Peter Zijlstra <a.p.zijlstra@...llo.nl>,
	Stephane Eranian <eranian@...gle.com>
Subject: Re: [PATCH 25/25] perf stat: Introduce --per-task option

Em Wed, Jun 10, 2015 at 12:44:34PM -0600, David Ahern escreveu:
> On 6/10/15 12:10 PM, Jiri Olsa wrote:
> >Also woks under interval mode:
> >
> >   $ ./perf stat -e cycles,instructions --per-task -p 16431,16173 -I 1000
> >   #           time task                      counts unit events
> >        1.000085816 TASK-16173                     0      cycles
> >        1.000085816 TASK-16431         3,358,360,926      cycles
> >        3.375949851 TASK-16173                     0      instructions
> >        3.375949851 TASK-16431         3,414,532,317      instructions
> >
> 
> Why not print $comm-$pid versus TASK-$pid?

Agreed.

- Arnaldo
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