linux-kernel - Re: [PATCH 2/3] perf, tool: Enable grouping logic for parsed events

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Message-ID: <20120629165320.GH6978@krava.brq.redhat.com>
Date:	Fri, 29 Jun 2012 18:53:21 +0200
From:	Jiri Olsa <jolsa@...hat.com>
To:	Arnaldo Carvalho de Melo <acme@...hat.com>
Cc:	a.p.zijlstra@...llo.nl, mingo@...e.hu, paulus@...ba.org,
	cjashfor@...ux.vnet.ibm.com, fweisbec@...il.com,
	linux-kernel@...r.kernel.org, tglx@...utronix.de,
	andi@...stfloor.org, drepper@...il.com
Subject: Re: [PATCH 2/3] perf, tool: Enable grouping logic for parsed events

On Fri, Jun 29, 2012 at 01:47:36PM -0300, Arnaldo Carvalho de Melo wrote:
> Em Fri, Jun 29, 2012 at 11:08:26AM +0200, Jiri Olsa escreveu:
> > This patch adds a functionality that allows to create event groups
> > based on the way they are specified on the command line. Adding
> > functionality to the '{}' group syntax introduced in earlier patch.
> > 
> > The current '--group/-g' option behaviour remains intact.  If you
> > specify it for record/stat/top command, all the specified events
> > become members of a single group with the first event as a group
> > leader.
> > 
> > With the new '{}' group syntax you can create group like:
> >   # perf record -e '{cycles,faults}' ls
> 
> All this cset comment makes for great tools/perf/Documentation material,
> right? Can you try and send a patch to add this to the 'record' man
> page?

ok, I'll send doc patch with the next patchset

jirka
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