tree bae4134842fba8c0e8ab22a205b73f21eba6c1d4
parent 391e43da797a96aeb65410281891f6d0b0e9611c
author Andrew Vagin <avagin@openvz.org> 1322471015 +0300
committer Ingo Molnar <mingo@elte.hu> 1323157883 +0100

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>