linux-kernel - Re: [PATCH] perf, stat: Add --pre and --post command

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Date:	Tue, 23 Oct 2012 13:43:42 +0200
From:	Ingo Molnar <mingo@...nel.org>
To:	Peter Zijlstra <peterz@...radead.org>
Cc:	Arnaldo Carvalho de Melo <acme@...radead.org>,
	Stephane Eranian <eranian@...il.com>,
	linux-kernel <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH] perf, stat: Add --pre and --post command


* Peter Zijlstra <peterz@...radead.org> wrote:

> In order to measure kernel builds, one has to do some pre/post cleanup
> work in order to do the repeat build.
> 
> So provide --pre and --post command hooks to allow doing just that.
>   
>   perf stat --repeat 10 --null --sync --pre 'make -s O=defconfig-build/ clean' -- make -s -j64 O=defconfig-build/ bzImage
> 
> Signed-off-by: Peter Zijlstra <a.p.zijlstra@...llo.nl>

looks useful!

Acked-by: Ingo Molnar <mingo@...nel.org>

Thanks,

	Ingo
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