linux-kernel - Re: [RFCv2 0/8] perf tool: Add new event group management

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Message-ID: <1334503015.28150.16.camel@twins>
Date:	Sun, 15 Apr 2012 17:16:55 +0200
From:	Peter Zijlstra <a.p.zijlstra@...llo.nl>
To:	Jiri Olsa <jolsa@...hat.com>
Cc:	acme@...hat.com, 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
Subject: Re: [RFCv2 0/8] perf tool: Add new event group management

On Wed, 2012-04-04 at 23:16 +0200, Jiri Olsa wrote:
> - added 'group=...' syntax to group events (patches 1-5).

> - added 'group:1=...' syntax to specify which event to sample (leader) 

I'm still sad about not actually using {} for grouping. Esp. since you
use ';' which needs escaping anyway:

> perf record -e 'group=cycles,faults;group=instructions,cache-misses' ls

Also, how do you name the groups?
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