From: Andrew Vagin <avagin@openvz.org>
Date: Mon, 28 Nov 2011 09:03:35 +0000 (+0300)
Subject: events, sched: Add tracepoint for accounting blocked time
X-Git-Tag: v3.3-rc1~191^2~9^2~23
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=b781a602ac745ee3d5d745276f1e1905a2c101f9;p=pandora-kernel.git

events, sched: Add tracepoint for accounting blocked time

This tracepoint shows how long a task is sleeping in uninterruptible state.

E.g. it may show how long and where a mutex is waited for.

Signed-off-by: Andrew Vagin <avagin@openvz.org>
Signed-off-by: Peter Zijlstra <a.p.zijlstra@chello.nl>
Link: http://lkml.kernel.org/r/1322471015-107825-8-git-send-email-avagin@openvz.org
Signed-off-by: Ingo Molnar <mingo@elte.hu>
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