Commit a0f7d0f7 authored by Frederic Weisbecker's avatar Frederic Weisbecker Committed by Ingo Molnar
Browse files

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: default avatarFrederic 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: default avatarPeter Zijlstra <a.p.zijlstra@chello.nl>
LKML-Reference: <1299529629-18280-2-git-send-email-fweisbec@gmail.com>
Signed-off-by: default avatarIngo 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.

	 */