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

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Date:	Fri, 29 Jun 2012 13:47:36 -0300
From:	Arnaldo Carvalho de Melo <acme@...hat.com>
To:	Jiri Olsa <jolsa@...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

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?

On top of these, that I'm merging/testing now.

- Arnaldo
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