linux-kernel - Re: [PATCHv3 0/3] perf tool: Add new event group management

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Date:	Thu, 5 Jul 2012 21:32:58 -0400
From:	Ulrich Drepper <drepper@...il.com>
To:	Stephane Eranian <eranian@...gle.com>
Cc:	Jiri Olsa <jolsa@...hat.com>, Namhyung Kim <namhyung@...il.com>,
	acme@...hat.com, 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
Subject: Re: [PATCHv3 0/3] perf tool: Add new event group management

On Thu, Jul 5, 2012 at 12:15 PM, Stephane Eranian <eranian@...gle.com> wrote:
> I don't understand why you actually need the :2 suffix. There can
> only be one leader. So assume it is the first one. Users have to
> know the first one is the leader which seems like a natural thing
> to do for me. It would make you syntax less ugly than it already
> is.

In a blue sky world I would have done this.  In fact, this is what I
tried before reading the sources to find out there is no group support
so far.  But given that multiple -e options already have a meaning I
would be hesitant to change this.
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