847
847
data.period = event->hw.last_period;
849
849
if (alpha_perf_event_set_period(event, hwc, idx)) {
850
if (perf_event_overflow(event, 1, &data, regs)) {
851
851
/* Interrupts coming too quickly; "throttle" the
852
852
* counter, i.e., disable it for a little while.