linux-kernel - Re: [RFC PATCH 1/2] perf: Enable group siblings on exec if attr::enable_on

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Date:	Wed, 10 Nov 2010 13:19:46 +0100
From:	Peter Zijlstra <peterz@...radead.org>
To:	Lin Ming <ming.m.lin@...el.com>
Cc:	Ingo Molnar <mingo@...e.hu>, Matt Fleming <matt@...sole-pimps.org>,
	Zhang Rui <rui.zhang@...el.com>,
	Frederic Weisbecker <fweisbec@...il.com>,
	lkml <linux-kernel@...r.kernel.org>,
	Arnaldo Carvalho de Melo <acme@...hat.com>
Subject: Re: [RFC PATCH 1/2] perf: Enable group siblings on exec if
 attr::enable_on_exec set

On Wed, 2010-11-10 at 14:15 +0800, Lin Ming wrote:
> Currently, only group leader is enabled on exec.

That's enough, right? If all sibling events are already enabled enabling
the group leader makes the whole thing go.


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