PMU_FL_PEBS_ALL
x86_pmu.flags |= PMU_FL_PEBS_ALL;
if (x86_pmu.flags & PMU_FL_PEBS_ALL)
if (x86_pmu.flags & PMU_FL_PEBS_ALL)
if (x86_pmu.flags & PMU_FL_PEBS_ALL) {
x86_pmu.flags |= PMU_FL_PEBS_ALL;
x86_pmu.flags |= PMU_FL_PEBS_ALL;