rtla/src/osnoise_hist.c

128 	struct osnoise_hist_params *params = tool->params;
135 	if (params->output_divisor)
136 		duration = duration / params->output_divisor;
170 	struct osnoise_hist_params *params = tool->params;
179 	bucket_size = params->output_divisor * params->bucket_size;
255 	struct osnoise_hist_params *params = tool->params;
261 	if (params->no_header)
267 			params->output_divisor == 1 ? "nanoseconds" : "microseconds",
268 			params->output_divisor == 1 ? "ns" : "us");
272 	if (!params->no_index)
276 		if (params->cpus && !CPU_ISSET(cpu, &params->monitored_cpus))
294 osnoise_print_summary(struct osnoise_hist_params *params,
300 	if (params->no_summary)
303 	if (!params->no_index)
307 		if (params->cpus && !CPU_ISSET(cpu, &params->monitored_cpus))
317 	if (!params->no_index)
321 		if (params->cpus && !CPU_ISSET(cpu, &params->monitored_cpus))
332 	if (!params->no_index)
336 		if (params->cpus && !CPU_ISSET(cpu, &params->monitored_cpus))
350 	if (!params->no_index)
354 		if (params->cpus && !CPU_ISSET(cpu, &params->monitored_cpus))
372 osnoise_print_stats(struct osnoise_hist_params *params, struct osnoise_tool *tool)
384 		if (!params->no_index)
389 			if (params->cpus && !CPU_ISSET(cpu, &params->monitored_cpus))
399 		if (total == 0 && !params->with_zeros) {
409 	if (!params->no_index)
413 		if (params->cpus && !CPU_ISSET(cpu, &params->monitored_cpus))
426 	osnoise_print_summary(params, trace, data);
495 	struct osnoise_hist_params *params;
500 	params = calloc(1, sizeof(*params));
501 	if (!params)
505 	params->output_divisor = 1000;
506 	params->bucket_size = 1;
507 	params->entries = 256;
550 			params->stop_us = get_llong_from_str(optarg);
553 			params->threshold = 1;
556 			params->trace_output = "osnoise_trace.txt";
560 			params->bucket_size = get_llong_from_str(optarg);
561 			if ((params->bucket_size == 0) || (params->bucket_size >= 1000000))
565 			retval = parse_cpu_set(optarg, &params->monitored_cpus);
568 			params->cpus = optarg;
571 			params->cgroup = 1;
574 				params->cgroup_name = NULL;
577 				params->cgroup_name = ++optarg;
584 			params->duration = parse_seconds_duration(optarg);
585 			if (!params->duration)
595 			if (params->events)
596 				tevent->next = params->events;
598 			params->events = tevent;
601 			params->entries = get_llong_from_str(optarg);
602 			if ((params->entries < 10) || (params->entries > 9999999))
610 			params->hk_cpus = 1;
611 			retval = parse_cpu_set(optarg, &params->hk_cpu_set);
618 			params->period = get_llong_from_str(optarg);
619 			if (params->period > 10000000)
623 			retval = parse_prio(optarg, &params->sched_param);
626 			params->set_sched = 1;
629 			params->runtime = get_llong_from_str(optarg);
630 			if (params->runtime < 100)
634 			params->stop_us = get_llong_from_str(optarg);
637 			params->stop_total_us = get_llong_from_str(optarg);
640 			params->threshold = get_llong_from_str(optarg);
645 				params->trace_output = &optarg[1];
647 				params->trace_output = "osnoise_trace.txt";
650 			params->no_header = 1;
653 			params->no_summary = 1;
656 			params->no_index = 1;
659 			params->with_zeros = 1;
662 			if (params->events) {
663 				retval = trace_event_add_trigger(params->events, optarg);
673 			if (params->events) {
674 				retval = trace_event_add_filter(params->events, optarg);
693 	if (params->no_index && !params->with_zeros)
696 	return params;
703 osnoise_hist_apply_config(struct osnoise_tool *tool, struct osnoise_hist_params *params)
707 	if (!params->sleep_time)
708 		params->sleep_time = 1;
710 	if (params->cpus) {
711 		retval = osnoise_set_cpus(tool->context, params->cpus);
718 	if (params->runtime || params->period) {
720 						    params->runtime,
721 						    params->period);
728 	if (params->stop_us) {
729 		retval = osnoise_set_stop_us(tool->context, params->stop_us);
736 	if (params->stop_total_us) {
737 		retval = osnoise_set_stop_total_us(tool->context, params->stop_total_us);
744 	if (params->threshold) {
745 		retval = osnoise_set_tracing_thresh(tool->context, params->threshold);
752 	if (params->hk_cpus) {
753 		retval = sched_setaffinity(getpid(), sizeof(params->hk_cpu_set),
754 					   &params->hk_cpu_set);
759 	} else if (params->cpus) {
767 		auto_house_keeping(&params->monitored_cpus);
780 *osnoise_init_hist(struct osnoise_hist_params *params)
791 	tool->data = osnoise_alloc_histogram(nr_cpus, params->entries, params->bucket_size);
795 	tool->params = params;
814 osnoise_hist_set_signals(struct osnoise_hist_params *params)
817 	if (params->duration) {
819 		alarm(params->duration);
825 	struct osnoise_hist_params *params;
832 	params = osnoise_hist_parse_args(argc, argv);
833 	if (!params)
836 	tool = osnoise_init_hist(params);
842 	retval = osnoise_hist_apply_config(tool, params);
860 	if (params->set_sched) {
861 		retval = set_comm_sched_attr("osnoise/", &params->sched_param);
868 	if (params->cgroup) {
869 		retval = set_comm_cgroup("timerlat/", params->cgroup_name);
876 	if (params->trace_output) {
883 		if (params->events) {
884 			retval = trace_events_enable(&record->trace, params->events);
898 	if (params->trace_output)
903 	osnoise_hist_set_signals(params);
906 		sleep(params->sleep_time);
925 	osnoise_print_stats(params, tool);
931 		if (params->trace_output) {
932 			printf("  Saving trace to %s\n", params->trace_output);
933 			save_trace_to_file(record->trace.inst, params->trace_output);
938 	trace_events_destroy(&record->trace, params->events);
939 	params->events = NULL;
945 	free(params);