commit: a0f7d0f7fc02465bb9758501f611f63381792996 From: Frederic Weisbecker <[email protected]> Date: Mon, 7 Mar 2011 21:27:09 +0100 Subject: [PATCH] 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 <[email protected]> Cc: Arnaldo Carvalho de Melo <[email protected]> Cc: Paul Mackerras <[email protected]> Cc: Stephane Eranian <[email protected]> Cc: <[email protected]> Signed-off-by: Peter Zijlstra <[email protected]> LKML-Reference: <[email protected]> Signed-off-by: Ingo Molnar <[email protected]> --- kernel/perf_event.c | 2 ++ 1 files changed, 2 insertions(+), 0 deletions(-) diff --git a/kernel/perf_event.c b/kernel/perf_event.c index 974e2e6..533f715 100644 --- a/kernel/perf_event.c +++ b/kernel/perf_event.c @@ -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. */ _______________________________________________ stable mailing list [email protected] http://linux.kernel.org/mailman/listinfo/stable
