From mboxrd@z Thu Jan  1 00:00:00 1970
From: Peter Zijlstra <peterz@infradead.org>
Subject: Re: Profiling sleep times?
Date: Mon, 03 Oct 2011 22:17:07 +0200
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To: Arun Sharma <asharma@fb.com>
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On Mon, 2011-10-03 at 12:38 -0700, Arun Sharma wrote:
>                          trace_sched_stat_sleep(tsk, delta);

That one should be accessible as a tracepoint and will add delay to
count on each occurrence.