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From: Andi Kleen <andi@firstfloor.org>
To: acme@infradead.org
Cc: eranian@google.com, jolsa@redhat.com, linux-kernel@vger.kernel.org
Subject: Misc perf stat improvements
Date: Fri,  2 Aug 2013 17:41:08 -0700
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Here are a couple of perf stat improvements/cleanups:

- output more information (ratios) in CSV mode
- add --initial-delay to skip startup phase of program
- handle pipes better in interval mode
- some cleanup