check_period
.check_period = cpumsf_pmu_check_period,
.check_period = perf_ibs_check_period,
.check_period = perf_ibs_check_period,
if (x86_pmu.check_period && x86_pmu.check_period(event, value))
.check_period = x86_pmu_check_period,
.check_period = intel_pmu_check_period,
.check_period = intel_pmu_check_period,
int (*check_period) (struct perf_event *event, u64 period);
if (!check_period(fotg210, frame, uframe, qh->period, qh->usecs))
if (!check_period(fotg210, frame, uframe + qh->gap_uf + 1,
if (!check_period(fotg210, frame, uframe + qh->gap_uf,
if (!check_period(ehci, frame, uframe, qh->ps.bw_uperiod, qh->ps.usecs))
if (!check_period(ehci, frame, i,
if (!check_period(ehci, frame, uframe + qh->gap_uf + 1,
if (!check_period(ehci, frame, uframe + qh->gap_uf,
if (!check_period(oxu, frame, uframe, qh->period, qh->usecs))
int (*check_period) (struct perf_event *event, u64 value); /* optional */
if (!pmu->check_period)
pmu->check_period = perf_event_nop_int;
return event->pmu->check_period(event, value);