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Subject: Re: [PATCHv3 0/3] perf tool: Add new event group management
From: Peter Zijlstra <a.p.zijlstra@chello.nl>
To: Jiri Olsa <jolsa@redhat.com>
Cc: Stephane Eranian <eranian@google.com>, Ulrich Drepper <drepper@gmail.com>,
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Date: Mon, 09 Jul 2012 13:15:43 +0200
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On Mon, 2012-07-09 at 13:05 +0200, Jiri Olsa wrote:
> <peterz> the {} thing allows: 1) multiple groups in a single -e

The advantage would be when you're passing such things on via
environment variables or somesuch.