172 	struct timerlat_hist_params *params = tool->params;  in timerlat_hist_update()  local
178 	if (params->output_divisor)  in timerlat_hist_update()
179 		latency = latency / params->output_divisor;  in timerlat_hist_update()
237 	struct timerlat_hist_params *params = tool->params;  in timerlat_hist_header()  local
243 	if (params->no_header)  in timerlat_hist_header()
249 			params->output_divisor == 1 ? "nanoseconds" : "microseconds",  in timerlat_hist_header()
250 			params->output_divisor == 1 ? "ns" : "us");  in timerlat_hist_header()
254 	if (!params->no_index)  in timerlat_hist_header()
258 		if (params->cpus && !CPU_ISSET(cpu, &params->monitored_cpus))  in timerlat_hist_header()
264 		if (!params->no_irq)  in timerlat_hist_header()
267 		if (!params->no_thread)  in timerlat_hist_header()
270 		if (params->user_hist)  in timerlat_hist_header()
284 timerlat_print_summary(struct timerlat_hist_params *params,  in timerlat_print_summary()  argument
290 	if (params->no_summary)  in timerlat_print_summary()
293 	if (!params->no_index)  in timerlat_print_summary()
297 		if (params->cpus && !CPU_ISSET(cpu, &params->monitored_cpus))  in timerlat_print_summary()
303 		if (!params->no_irq)  in timerlat_print_summary()
307 		if (!params->no_thread)  in timerlat_print_summary()
311 		if (params->user_hist)  in timerlat_print_summary()
317 	if (!params->no_index)  in timerlat_print_summary()
321 		if (params->cpus && !CPU_ISSET(cpu, &params->monitored_cpus))  in timerlat_print_summary()
327 		if (!params->no_irq)  in timerlat_print_summary()
331 		if (!params->no_thread)  in timerlat_print_summary()
335 		if (params->user_hist)  in timerlat_print_summary()
341 	if (!params->no_index)  in timerlat_print_summary()
345 		if (params->cpus && !CPU_ISSET(cpu, &params->monitored_cpus))  in timerlat_print_summary()
351 		if (!params->no_irq) {  in timerlat_print_summary()
359 		if (!params->no_thread) {  in timerlat_print_summary()
367 		if (params->user_hist) {  in timerlat_print_summary()
377 	if (!params->no_index)  in timerlat_print_summary()
381 		if (params->cpus && !CPU_ISSET(cpu, &params->monitored_cpus))  in timerlat_print_summary()
387 		if (!params->no_irq)  in timerlat_print_summary()
391 		if (!params->no_thread)  in timerlat_print_summary()
395 		if (params->user_hist)  in timerlat_print_summary()
408 timerlat_print_stats(struct timerlat_hist_params *params, struct osnoise_tool *tool)  in timerlat_print_stats()  argument
420 		if (!params->no_index)  in timerlat_print_stats()
425 			if (params->cpus && !CPU_ISSET(cpu, &params->monitored_cpus))  in timerlat_print_stats()
431 			if (!params->no_irq) {  in timerlat_print_stats()
437 			if (!params->no_thread) {  in timerlat_print_stats()
443 			if (params->user_hist) {  in timerlat_print_stats()
451 		if (total == 0 && !params->with_zeros) {  in timerlat_print_stats()
461 	if (!params->no_index)  in timerlat_print_stats()
465 		if (params->cpus && !CPU_ISSET(cpu, &params->monitored_cpus))  in timerlat_print_stats()
471 		if (!params->no_irq)  in timerlat_print_stats()
475 		if (!params->no_thread)  in timerlat_print_stats()
479 		if (params->user_hist)  in timerlat_print_stats()
487 	timerlat_print_summary(params, trace, data);  in timerlat_print_stats()
558 	struct timerlat_hist_params *params;  in timerlat_hist_parse_args()  local
564 	params = calloc(1, sizeof(*params));  in timerlat_hist_parse_args()
565 	if (!params)  in timerlat_hist_parse_args()
569 	params->dma_latency = -1;  in timerlat_hist_parse_args()
572 	params->output_divisor = 1000;  in timerlat_hist_parse_args()
573 	params->bucket_size = 1;  in timerlat_hist_parse_args()
574 	params->entries = 256;  in timerlat_hist_parse_args()
625 			params->stop_total_us = auto_thresh;  in timerlat_hist_parse_args()
626 			params->stop_us = auto_thresh;  in timerlat_hist_parse_args()
629 			params->print_stack = auto_thresh;  in timerlat_hist_parse_args()
632 			params->trace_output = "timerlat_trace.txt";  in timerlat_hist_parse_args()
636 			retval = parse_cpu_set(optarg, &params->monitored_cpus);  in timerlat_hist_parse_args()
639 			params->cpus = optarg;  in timerlat_hist_parse_args()
642 			params->cgroup = 1;  in timerlat_hist_parse_args()
645 				params->cgroup_name = NULL;  in timerlat_hist_parse_args()
648 				params->cgroup_name = ++optarg;  in timerlat_hist_parse_args()
652 			params->bucket_size = get_llong_from_str(optarg);  in timerlat_hist_parse_args()
653 			if ((params->bucket_size == 0) || (params->bucket_size >= 1000000))  in timerlat_hist_parse_args()
660 			params->duration = parse_seconds_duration(optarg);  in timerlat_hist_parse_args()
661 			if (!params->duration)  in timerlat_hist_parse_args()
671 			if (params->events)  in timerlat_hist_parse_args()
672 				tevent->next = params->events;  in timerlat_hist_parse_args()
674 			params->events = tevent;  in timerlat_hist_parse_args()
677 			params->entries = get_llong_from_str(optarg);  in timerlat_hist_parse_args()
678 			if ((params->entries < 10) || (params->entries > 9999999))  in timerlat_hist_parse_args()
686 			params->hk_cpus = 1;  in timerlat_hist_parse_args()
687 			retval = parse_cpu_set(optarg, &params->hk_cpu_set);  in timerlat_hist_parse_args()
694 			params->stop_us = get_llong_from_str(optarg);  in timerlat_hist_parse_args()
697 			params->output_divisor = 1;  in timerlat_hist_parse_args()
700 			params->timerlat_period_us = get_llong_from_str(optarg);  in timerlat_hist_parse_args()
701 			if (params->timerlat_period_us > 1000000)  in timerlat_hist_parse_args()
705 			retval = parse_prio(optarg, &params->sched_param);  in timerlat_hist_parse_args()
708 			params->set_sched = 1;  in timerlat_hist_parse_args()
711 			params->print_stack = get_llong_from_str(optarg);  in timerlat_hist_parse_args()
714 			params->stop_total_us = get_llong_from_str(optarg);  in timerlat_hist_parse_args()
719 				params->trace_output = &optarg[1];  in timerlat_hist_parse_args()
721 				params->trace_output = "timerlat_trace.txt";  in timerlat_hist_parse_args()
724 			params->user_hist = 1;  in timerlat_hist_parse_args()
727 			params->no_irq = 1;  in timerlat_hist_parse_args()
730 			params->no_thread = 1;  in timerlat_hist_parse_args()
733 			params->no_header = 1;  in timerlat_hist_parse_args()
736 			params->no_summary = 1;  in timerlat_hist_parse_args()
739 			params->no_index = 1;  in timerlat_hist_parse_args()
742 			params->with_zeros = 1;  in timerlat_hist_parse_args()
745 			if (params->events) {  in timerlat_hist_parse_args()
746 				retval = trace_event_add_trigger(params->events, optarg);  in timerlat_hist_parse_args()
756 			if (params->events) {  in timerlat_hist_parse_args()
757 				retval = trace_event_add_filter(params->events, optarg);  in timerlat_hist_parse_args()
767 			params->dma_latency = get_llong_from_str(optarg);  in timerlat_hist_parse_args()
768 			if (params->dma_latency < 0 || params->dma_latency > 10000) {  in timerlat_hist_parse_args()
774 			params->no_aa = 1;  in timerlat_hist_parse_args()
777 			params->dump_tasks = 1;  in timerlat_hist_parse_args()
789 	if (params->no_irq && params->no_thread)  in timerlat_hist_parse_args()
792 	if (params->no_index && !params->with_zeros)  in timerlat_hist_parse_args()
798 	if (!params->stop_us && !params->stop_total_us)  in timerlat_hist_parse_args()
799 		params->no_aa = 1;  in timerlat_hist_parse_args()
801 	return params;  in timerlat_hist_parse_args()
808 timerlat_hist_apply_config(struct osnoise_tool *tool, struct timerlat_hist_params *params)  in timerlat_hist_apply_config()  argument
812 	if (!params->sleep_time)  in timerlat_hist_apply_config()
813 		params->sleep_time = 1;  in timerlat_hist_apply_config()
815 	if (params->cpus) {  in timerlat_hist_apply_config()
816 		retval = osnoise_set_cpus(tool->context, params->cpus);  in timerlat_hist_apply_config()
823 			CPU_SET(i, &params->monitored_cpus);  in timerlat_hist_apply_config()
826 	if (params->stop_us) {  in timerlat_hist_apply_config()
827 		retval = osnoise_set_stop_us(tool->context, params->stop_us);  in timerlat_hist_apply_config()
834 	if (params->stop_total_us) {  in timerlat_hist_apply_config()
835 		retval = osnoise_set_stop_total_us(tool->context, params->stop_total_us);  in timerlat_hist_apply_config()
842 	if (params->timerlat_period_us) {  in timerlat_hist_apply_config()
843 		retval = osnoise_set_timerlat_period_us(tool->context, params->timerlat_period_us);  in timerlat_hist_apply_config()
850 	if (params->print_stack) {  in timerlat_hist_apply_config()
851 		retval = osnoise_set_print_stack(tool->context, params->print_stack);  in timerlat_hist_apply_config()
858 	if (params->hk_cpus) {  in timerlat_hist_apply_config()
859 		retval = sched_setaffinity(getpid(), sizeof(params->hk_cpu_set),  in timerlat_hist_apply_config()
860 					   &params->hk_cpu_set);  in timerlat_hist_apply_config()
865 	} else if (params->cpus) {  in timerlat_hist_apply_config()
873 		auto_house_keeping(&params->monitored_cpus);  in timerlat_hist_apply_config()
876 	if (params->user_hist) {  in timerlat_hist_apply_config()
894 *timerlat_init_hist(struct timerlat_hist_params *params)  in timerlat_init_hist()  argument
905 	tool->data = timerlat_alloc_histogram(nr_cpus, params->entries, params->bucket_size);  in timerlat_init_hist()
909 	tool->params = params;  in timerlat_init_hist()
931 timerlat_hist_set_signals(struct timerlat_hist_params *params)  in timerlat_hist_set_signals()  argument
934 	if (params->duration) {  in timerlat_hist_set_signals()
936 		alarm(params->duration);  in timerlat_hist_set_signals()
942 	struct timerlat_hist_params *params;  in timerlat_hist_main()  local
953 	params = timerlat_hist_parse_args(argc, argv);  in timerlat_hist_main()
954 	if (!params)  in timerlat_hist_main()
957 	tool = timerlat_init_hist(params);  in timerlat_hist_main()
963 	retval = timerlat_hist_apply_config(tool, params);  in timerlat_hist_main()
977 	if (params->set_sched) {  in timerlat_hist_main()
978 		retval = set_comm_sched_attr("timerlat/", &params->sched_param);  in timerlat_hist_main()
985 	if (params->cgroup && !params->user_hist) {  in timerlat_hist_main()
986 		retval = set_comm_cgroup("timerlat/", params->cgroup_name);  in timerlat_hist_main()
993 	if (params->dma_latency >= 0) {  in timerlat_hist_main()
994 		dma_latency_fd = set_cpu_dma_latency(params->dma_latency);  in timerlat_hist_main()
1001 	if (params->trace_output) {  in timerlat_hist_main()
1008 		if (params->events) {  in timerlat_hist_main()
1009 			retval = trace_events_enable(&record->trace, params->events);  in timerlat_hist_main()
1015 	if (!params->no_aa) {  in timerlat_hist_main()
1020 		retval = timerlat_aa_init(aa, params->dump_tasks);  in timerlat_hist_main()
1040 	if (params->trace_output)  in timerlat_hist_main()
1042 	if (!params->no_aa)  in timerlat_hist_main()
1047 	timerlat_hist_set_signals(params);  in timerlat_hist_main()
1049 	if (params->user_hist) {  in timerlat_hist_main()
1055 		params_u.set = &params->monitored_cpus;  in timerlat_hist_main()
1056 		if (params->set_sched)  in timerlat_hist_main()
1057 			params_u.sched_param = &params->sched_param;  in timerlat_hist_main()
1061 		params_u.cgroup_name = params->cgroup_name;  in timerlat_hist_main()
1069 		sleep(params->sleep_time);  in timerlat_hist_main()
1086 		if (params->user_hist) {  in timerlat_hist_main()
1093 	if (params->user_hist && !params_u.stopped_running) {  in timerlat_hist_main()
1098 	timerlat_print_stats(params, tool);  in timerlat_hist_main()
1105 		if (!params->no_aa)  in timerlat_hist_main()
1106 			timerlat_auto_analysis(params->stop_us, params->stop_total_us);  in timerlat_hist_main()
1108 		if (params->trace_output) {  in timerlat_hist_main()
1109 			printf("  Saving trace to %s\n", params->trace_output);  in timerlat_hist_main()
1110 			save_trace_to_file(record->trace.inst, params->trace_output);  in timerlat_hist_main()
1118 	trace_events_destroy(&record->trace, params->events);  in timerlat_hist_main()
1119 	params->events = NULL;  in timerlat_hist_main()
1125 	free(params);  in timerlat_hist_main()