diff options
| author | Adrian Hunter <adrian.hunter@intel.com> | 2024-10-22 18:59:10 +0300 |
|---|---|---|
| committer | Peter Zijlstra <peterz@infradead.org> | 2024-11-05 12:55:44 +0100 |
| commit | 0d5eb14c1e2ed4a8413458cb3b779f215ff214aa (patch) | |
| tree | 8354c62606574b18ec0ad762f52082c5fe56bdda | |
| parent | 08c7454ceb948d773fcd0ff7b6fb9c315e2f801a (diff) | |
perf/x86/intel: Do not enable large PEBS for events with aux actions or aux sampling
Events with aux actions or aux sampling expect the PMI to coincide with the
event, which does not happen for large PEBS, so do not enable large PEBS in
that case.
Signed-off-by: Adrian Hunter <adrian.hunter@intel.com>
Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Reviewed-by: Andi Kleen <ak@linux.intel.com>
Link: https://lkml.kernel.org/r/20241022155920.17511-5-adrian.hunter@intel.com
| -rw-r--r-- | arch/x86/events/intel/core.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/arch/x86/events/intel/core.c b/arch/x86/events/intel/core.c index 7ca40002a19b..bb284aff7bfd 100644 --- a/arch/x86/events/intel/core.c +++ b/arch/x86/events/intel/core.c @@ -3962,8 +3962,8 @@ static int intel_pmu_hw_config(struct perf_event *event) if (!(event->attr.freq || (event->attr.wakeup_events && !event->attr.watermark))) { event->hw.flags |= PERF_X86_EVENT_AUTO_RELOAD; - if (!(event->attr.sample_type & - ~intel_pmu_large_pebs_flags(event))) { + if (!(event->attr.sample_type & ~intel_pmu_large_pebs_flags(event)) && + !has_aux_action(event)) { event->hw.flags |= PERF_X86_EVENT_LARGE_PEBS; event->attach_state |= PERF_ATTACH_SCHED_CB; } |