linux-kernel - Re: [PATCH 4/4] perf: add scripts for profiling sleep times

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Message-ID: <4EB1E964.7030906@fb.com>
Date:	Wed, 2 Nov 2011 18:07:48 -0700
From:	Arun Sharma <asharma@...com>
To:	Andrew Vagin <avagin@...nvz.org>
CC:	<linux-kernel@...r.kernel.org>,
	Peter Zijlstra <a.p.zijlstra@...llo.nl>,
	Paul Mackerras <paulus@...ba.org>, Ingo Molnar <mingo@...e.hu>,
	Arnaldo Carvalho de Melo <acme@...stprotocols.net>,
	<devel@...nvz.org>
Subject: Re: [PATCH 4/4] perf: add scripts for profiling sleep times

On 11/2/11 3:59 PM, Andrew Vagin wrote:
> +perf record -ag -e sched:sched_switch --filter "prev_state == 1 || prev_state == 2" -e sched:sched_process_exit ${@.../}

Like I said on the other thread: it'd be good to have this feature 
available to normal users without requiring root or
perf_event_paranoid <= 0.

But having it available to root users would be a good first step. Thanks 
for doing this work.

  -Arun
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