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