325 #define WRITE_STAT_ROUND_EVENT(time, interval) \  argument
326 	write_stat_round_event(time, PERF_STAT_ROUND_TYPE__ ## interval)
530 	update_stats(&walltime_nsecs_stats, stat_config.interval * 1000000ULL);  in process_interval()
534 static bool handle_interval(unsigned int interval, int *times)  in handle_interval()  argument
536 	if (interval) {  in handle_interval()
622 static void process_evlist(struct evlist *evlist, unsigned int interval)  in process_evlist()  argument
629 			if (interval)  in process_evlist()
633 			if (interval)  in process_evlist()
665 static int dispatch_events(bool forks, int timeout, int interval, int *times)  in dispatch_events()  argument
671 	if (interval)  in dispatch_events()
672 		sleep_time = interval;  in dispatch_events()
691 			if (timeout || handle_interval(interval, times))  in dispatch_events()
695 			process_evlist(evsel_list, interval);  in dispatch_events()
761 	int interval = stat_config.interval;  in __run_perf_stat()  local
957 		if (interval || timeout || evlist__ctlfd_initialized(evsel_list))  in __run_perf_stat()
958 			status = dispatch_events(forks, timeout, interval, &times);  in __run_perf_stat()
974 		status = dispatch_events(forks, timeout, interval, &times);  in __run_perf_stat()
984 	if (interval && stat_config.summary) {  in __run_perf_stat()
985 		stat_config.interval = 0;  in __run_perf_stat()
1059 	if ((child_pid == -1) || stat_config.interval)  in skip_signal()
1216 	OPT_UINTEGER('I', "interval-print", &stat_config.interval,
1834 			if (!stat_config.interval && !stat_config.metric_only) {  in add_default_attributes()
2011 	if (stat_config.interval && stat_round->time) {  in process_stat_round_event()
2210 	unsigned int interval, timeout;  in cmd_stat()  local
2247 	interval = stat_config.interval;  in cmd_stat()
2458 	if (stat_config.times && interval)  in cmd_stat()
2460 	else if (stat_config.times && !interval) {  in cmd_stat()
2478 	if (timeout && interval) {  in cmd_stat()
2485 	if (evlist__alloc_stats(evsel_list, interval))  in cmd_stat()
2528 		if (forever && status != -1 && !interval) {  in cmd_stat()
2534 	if (!forever && status != -1 && (!interval || stat_config.summary))  in cmd_stat()
2562 		if (!interval) {  in cmd_stat()