linux-kernel - Re: [PATCH 02/27] perf tools: Add comm string into struct thread

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Message-ID: <20150623215617.GB24969@krava.brq.redhat.com>
Date:	Tue, 23 Jun 2015 23:56:18 +0200
From:	Jiri Olsa <jolsa@...hat.com>
To:	Arnaldo Carvalho de Melo <acme@...nel.org>
Cc:	Jiri Olsa <jolsa@...nel.org>, lkml <linux-kernel@...r.kernel.org>,
	Adrian Hunter <adrian.hunter@...el.com>,
	Andi Kleen <ak@...ux.intel.com>,
	David Ahern <dsahern@...il.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 02/27] perf tools: Add comm string into struct thread_map

On Tue, Jun 23, 2015 at 06:01:58PM -0300, Arnaldo Carvalho de Melo wrote:
> Em Tue, Jun 23, 2015 at 12:36:03AM +0200, Jiri Olsa escreveu:
> > Adding support to hold comm name together with pids in
> > 'struct thread_map'. It will be useful for --per-thread
> > option to display task pid together with task name.
> > 
> > Getting the task name from /proc/$pid/comm.
> 
> Do we really need to read this all the time? Or just for tools that need
> this?
> 
> Can't we have a thread_map__read_comms(map);
> 
> That we can make this specific --per-thread option in 'stat' call?

ook

jirka
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