PERF_PMU_CAP_AUX_NO_SG
bts_pmu.capabilities = PERF_PMU_CAP_AUX_NO_SG | PERF_PMU_CAP_ITRACE |
pt_pmu.pmu.capabilities = PERF_PMU_CAP_AUX_NO_SG;
PERF_PMU_CAP_AUX_NO_SG | PERF_PMU_CAP_AUX_PREFER_LARGE);
if ((event->pmu->capabilities & PERF_PMU_CAP_AUX_NO_SG) &&