arm_spe_pmu_stop
.stop = arm_spe_pmu_stop,
static void arm_spe_pmu_stop(struct perf_event *event, int flags);
arm_spe_pmu_stop(event, PERF_EF_UPDATE);
arm_spe_pmu_stop(event, 0);
arm_spe_pmu_stop(event, PERF_EF_UPDATE);