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 Reviewed-by: Andi Kleen ak@linux.intel.com ---
Changes in V11: Remove definition of has_aux_action() because it has already been added as an inline function.
arch/x86/events/intel/core.c | 4 ++-- 1 file 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; }