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| author | Franck Bui-Huu <fbuihuu@gmail.com> | 2010-11-23 16:21:43 +0100 |
|---|---|---|
| committer | Ingo Molnar <mingo@elte.hu> | 2010-11-26 15:14:54 +0100 |
| commit | 6c7e550f13f8ad82efb6a5653ae628c2543c1768 (patch) | |
| tree | 1c994b999648fbe51ffe4312e2d6827aedd5f012 /arch/x86/kernel/cpu | |
| parent | scripts/tags.sh: Add magic for trace-events (diff) | |
| download | linux-6c7e550f13f8ad82efb6a5653ae628c2543c1768.tar.xz linux-6c7e550f13f8ad82efb6a5653ae628c2543c1768.zip | |
perf: Introduce is_sampling_event()
and use it when appropriate.
Signed-off-by: Franck Bui-Huu <fbuihuu@gmail.com>
Signed-off-by: Peter Zijlstra <a.p.zijlstra@chello.nl>
LKML-Reference: <1290525705-6265-1-git-send-email-fbuihuu@gmail.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'arch/x86/kernel/cpu')
| -rw-r--r-- | arch/x86/kernel/cpu/perf_event.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/arch/x86/kernel/cpu/perf_event.c b/arch/x86/kernel/cpu/perf_event.c index 7c1a4c35fd41..c01dfec635db 100644 --- a/arch/x86/kernel/cpu/perf_event.c +++ b/arch/x86/kernel/cpu/perf_event.c @@ -442,7 +442,7 @@ static int x86_setup_perfctr(struct perf_event *event) struct hw_perf_event *hwc = &event->hw; u64 config; - if (!hwc->sample_period) { + if (!is_sampling_event(event)) { hwc->sample_period = x86_pmu.max_period; hwc->last_period = hwc->sample_period; local64_set(&hwc->period_left, hwc->sample_period); |