PERF_PMU_CAP_AUX_PAUSE
PERF_PMU_CAP_AUX_PAUSE;
PERF_PMU_CAP_AUX_PAUSE);
if (!(pmu->capabilities & PERF_PMU_CAP_AUX_PAUSE))
!(group_leader->pmu->capabilities & PERF_PMU_CAP_AUX_PAUSE))