Commit a0f7d0f7 authored Mar 07, 2011 by Frederic Weisbecker Committed by Ingo Molnar Mar 16, 2011

perf: Handle stopped state with tracepoints



We toggle the state from start and stop callbacks but actually
don't check it when the event triggers. Do it so that
these callbacks actually work.

Signed-off-by: Frederic Weisbecker <fweisbec@gmail.com>
Cc: Arnaldo Carvalho de Melo <acme@redhat.com>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Stephane Eranian <eranian@google.com>
Cc: <stable@kernel.org>
Signed-off-by: Peter Zijlstra <a.p.zijlstra@chello.nl>
LKML-Reference: <1299529629-18280-2-git-send-email-fweisbec@gmail.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>

parent 91b2f482

kernel/perf_event.c

+2 −0

Original line number	Diff line number	Diff line
		@@ -5478,6 +5478,8 @@ static int perf_tp_event_match(struct perf_event *event,
		struct perf_sample_data *data,
		struct pt_regs *regs)
		{
		if (event->hw.state & PERF_HES_STOPPED)
		return 0;
		/*
		* All tracepoints are from kernel-space.
		*/