linux-kernel - Re: [PATCHv4 00/27] perf stat: Introduce --per-thread option

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Message-ID: <20150623072200.GB749@krava.redhat.com>
Date:	Tue, 23 Jun 2015 09:22:00 +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: [PATCHv4 00/27] perf stat: Introduce --per-thread option

On Mon, Jun 22, 2015 at 08:06:00PM -0300, Arnaldo Carvalho de Melo wrote:
> Em Tue, Jun 23, 2015 at 12:36:01AM +0200, Jiri Olsa escreveu:
> > hi,
> > adding the possibility to display stat data per thread.
> > 
> > Allowing following commands and output:
> > 
> >   $ perf stat  -e cycles,instructions --per-thread -p 30190,30242
> 
> While testing Adrian's Intel PT patchkit I realised we have --per-thread
> in 'record', wonder if using a long option with the exact same name but
> different meanings for 'stat' and 'record'  would cause confusion...

I think the name fits for both stat and record.. and both are doing different
thing, so both --per-thread are also different.. and well documented ;-)

jirka
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