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