538 	debug_sprintf_event(sfdbg, 5, "%s: overflow %llu ratio %lu num %lu\n",  in sfb_account_overflows()
547  * Use this function to extend the sampling buffer based on the overflow counter
884 	/* Initialize sample data overflow accounting */  in __hw_perf_event_init()
912 	/* If PID/TID sampling is active, replace the default overflow  in __hw_perf_event_init()
1003 			 * Account number of overflow-designated  in cpumsf_pmu_enable()
1106  * possible event overflows.  If an event overflow occurs, the PMU is
1109  * Return non-zero if an event overflow occurred.
1114 	int overflow;  in perf_push_sample()  local
1168 	overflow = 0;  in perf_push_sample()
1172 		overflow = 1;  in perf_push_sample()
1177 	return overflow;  in perf_push_sample()
1188  * @overflow:	Event overflow counter
1202  * The overflow variables counts the number of samples that has been discarded
1203  * due to a perf event overflow.
1206 			       unsigned long long *overflow)  in hw_collect_samples()  argument
1223 			/* If an event overflow occurred, the PMU is stopped to  in hw_collect_samples()
1227 			if (!*overflow) {  in hw_collect_samples()
1231 					*overflow = perf_push_sample(event,  in hw_collect_samples()
1236 				*overflow += 1;  in hw_collect_samples()
1304 		/* Check the sample overflow count */  in hw_perf_event_update()
1305 		if (te->header.overflow)  in hw_perf_event_update()
1310 			sampl_overflow += te->header.overflow;  in hw_perf_event_update()
1314 				    "overflow %llu timestamp %#llx\n",  in hw_perf_event_update()
1316 				    te->header.overflow,  in hw_perf_event_update()
1320 		 * flag if an (perf) event overflow happened.  If so, the PMU  in hw_perf_event_update()
1333 			new.overflow = 0;  in hw_perf_event_update()
1489 			te->header.overflow = 0;  in aux_output_begin()
1523 			  unsigned long long *overflow)  in aux_set_alert()  argument
1533 		*overflow = old.overflow;  in aux_set_alert()
1543 		new.overflow = 0;  in aux_set_alert()
1553  * @overflow:	Set to overflow count
1563  * If aux->alert_mark fall in this area, just set it. Overflow count is
1572 			     unsigned long long *overflow)  in aux_reset_buffer()  argument
1588 		return aux_set_alert(aux, aux->alert_mark, overflow);  in aux_reset_buffer()
1595 		if (!aux_set_alert(aux, aux->alert_mark, overflow))  in aux_reset_buffer()
1611 			orig_overflow = old.overflow;  in aux_reset_buffer()
1613 			new.overflow = 0;  in aux_reset_buffer()
1620 		*overflow += orig_overflow;  in aux_reset_buffer()
1640 	unsigned long long overflow = 0;  in hw_collect_aux()  local
1675 		if (aux_reset_buffer(aux, range, &overflow)) {  in hw_collect_aux()
1676 			if (!overflow) {  in hw_collect_aux()
1683 			       "pages to overflow\n", aux->sfb.num_sdb);  in hw_collect_aux()
1685 					    "overflow %lld\n", __func__,  in hw_collect_aux()
1686 					    aux->head, range, overflow);  in hw_collect_aux()