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

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Message-ID: <87lilud8so.fsf@sejong.aot.lge.com>
Date:	Tue, 17 Apr 2012 18:09:11 +0900
From:	Namhyung Kim <namhyung.kim@....com>
To:	Peter Zijlstra <a.p.zijlstra@...llo.nl>
Cc:	Jiri Olsa <jolsa@...hat.com>, 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

Hi,

On Mon, 16 Apr 2012 17:26:02 +0200, Peter Zijlstra wrote:
> On Mon, 2012-04-16 at 14:16 +0200, Jiri Olsa wrote:
>> group:        group_spec '{' events '}'
>> group_spec:   name  ':' mod | empty 
>
> How about something like:
>
> groups: groups ',' group | group
> group:	group_name '{' events '}' group_mod
> group_name: name ':' | empty
> group_mod: ':' group_mods | empty
> group_mods: [l]

Wouldn't it be better if group_mods accepts [ukhHGp] also and pass them
to all members in the group?

Thanks,
Namhyung
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