202 static struct per_pid *find_create_pid(struct timechart *tchart, int pid)  in find_create_pid()  argument
204 	struct per_pid *cursor = tchart->all_data;  in find_create_pid()
214 	cursor->next = tchart->all_data;  in find_create_pid()
215 	tchart->all_data = cursor;  in find_create_pid()
232 static void pid_set_comm(struct timechart *tchart, int pid, char *comm)  in pid_set_comm()  argument
236 	p = find_create_pid(tchart, pid);  in pid_set_comm()
255 static void pid_fork(struct timechart *tchart, int pid, int ppid, u64 timestamp)  in pid_fork()  argument
258 	p = find_create_pid(tchart, pid);  in pid_fork()
259 	pp = find_create_pid(tchart, ppid);  in pid_fork()
262 		pid_set_comm(tchart, pid, pp->current->comm);  in pid_fork()
271 static void pid_exit(struct timechart *tchart, int pid, u64 timestamp)  in pid_exit()  argument
274 	p = find_create_pid(tchart, pid);  in pid_exit()
280 static void pid_put_sample(struct timechart *tchart, int pid, int type,  in pid_put_sample()  argument
288 	p = find_create_pid(tchart, pid);  in pid_put_sample()
328 	struct timechart *tchart = container_of(tool, struct timechart, tool);  in process_comm_event()  local
329 	pid_set_comm(tchart, event->comm.tid, event->comm.comm);  in process_comm_event()
338 	struct timechart *tchart = container_of(tool, struct timechart, tool);  in process_fork_event()  local
339 	pid_fork(tchart, event->fork.pid, event->fork.ppid, event->fork.time);  in process_fork_event()
348 	struct timechart *tchart = container_of(tool, struct timechart, tool);  in process_exit_event()  local
349 	pid_exit(tchart, event->fork.pid, event->fork.time);  in process_exit_event()
363 static void c_state_end(struct timechart *tchart, int cpu, u64 timestamp)  in c_state_end()  argument
375 	pwr->next = tchart->power_events;  in c_state_end()
377 	tchart->power_events = pwr;  in c_state_end()
380 static struct power_event *p_state_end(struct timechart *tchart, int cpu,  in p_state_end()  argument
393 	pwr->next = tchart->power_events;  in p_state_end()
395 		pwr->start_time = tchart->first_time;  in p_state_end()
397 	tchart->power_events = pwr;  in p_state_end()
401 static void p_state_change(struct timechart *tchart, int cpu, u64 timestamp, u64 new_freq)  in p_state_change()  argument
408 	pwr = p_state_end(tchart, cpu, timestamp);  in p_state_change()
415 	if ((u64)new_freq > tchart->max_freq)  in p_state_change()
416 		tchart->max_freq = new_freq;  in p_state_change()
418 	if (new_freq < tchart->min_freq || tchart->min_freq == 0)  in p_state_change()
419 		tchart->min_freq = new_freq;  in p_state_change()
421 	if (new_freq == tchart->max_freq - 1000)  in p_state_change()
422 		tchart->turbo_frequency = tchart->max_freq;  in p_state_change()
425 static void sched_wakeup(struct timechart *tchart, int cpu, u64 timestamp,  in sched_wakeup()  argument
442 	we->next = tchart->wake_events;  in sched_wakeup()
443 	tchart->wake_events = we;  in sched_wakeup()
444 	p = find_create_pid(tchart, we->wakee);  in sched_wakeup()
451 		pid_put_sample(tchart, p->pid, p->current->state, cpu,  in sched_wakeup()
458 static void sched_switch(struct timechart *tchart, int cpu, u64 timestamp,  in sched_switch()  argument
464 	prev_p = find_create_pid(tchart, prev_pid);  in sched_switch()
466 	p = find_create_pid(tchart, next_pid);  in sched_switch()
469 		pid_put_sample(tchart, prev_pid, TYPE_RUNNING, cpu,  in sched_switch()
474 			pid_put_sample(tchart, next_pid, p->current->state, cpu,  in sched_switch()
569 typedef int (*tracepoint_handler)(struct timechart *tchart,
580 	struct timechart *tchart = container_of(tool, struct timechart, tool);  in process_sample_event()  local
583 		if (!tchart->first_time || tchart->first_time > sample->time)  in process_sample_event()
584 			tchart->first_time = sample->time;  in process_sample_event()
585 		if (tchart->last_time < sample->time)  in process_sample_event()
586 			tchart->last_time = sample->time;  in process_sample_event()
591 		return f(tchart, evsel, sample,  in process_sample_event()
599 process_sample_cpu_idle(struct timechart *tchart __maybe_unused,  in process_sample_cpu_idle()
608 		c_state_end(tchart, cpu_id, sample->time);  in process_sample_cpu_idle()
615 process_sample_cpu_frequency(struct timechart *tchart,  in process_sample_cpu_frequency()  argument
623 	p_state_change(tchart, cpu_id, sample->time, state);  in process_sample_cpu_frequency()
628 process_sample_sched_wakeup(struct timechart *tchart,  in process_sample_sched_wakeup()  argument
637 	sched_wakeup(tchart, sample->cpu, sample->time, waker, wakee, flags, backtrace);  in process_sample_sched_wakeup()
642 process_sample_sched_switch(struct timechart *tchart,  in process_sample_sched_switch()  argument
651 	sched_switch(tchart, sample->cpu, sample->time, prev_pid, next_pid,  in process_sample_sched_switch()
658 process_sample_power_start(struct timechart *tchart __maybe_unused,  in process_sample_power_start()
671 process_sample_power_end(struct timechart *tchart,  in process_sample_power_end()  argument
676 	c_state_end(tchart, sample->cpu, sample->time);  in process_sample_power_end()
681 process_sample_power_frequency(struct timechart *tchart,  in process_sample_power_frequency()  argument
689 	p_state_change(tchart, cpu_id, sample->time, value);  in process_sample_power_frequency()
698 static void end_sample_processing(struct timechart *tchart)  in end_sample_processing()  argument
703 	for (cpu = 0; cpu <= tchart->numcpus; cpu++) {  in end_sample_processing()
712 		pwr->end_time = tchart->last_time;  in end_sample_processing()
715 		pwr->next = tchart->power_events;  in end_sample_processing()
717 		tchart->power_events = pwr;  in end_sample_processing()
721 		pwr = p_state_end(tchart, cpu, tchart->last_time);  in end_sample_processing()
726 			pwr->state = tchart->min_freq;  in end_sample_processing()
730 static int pid_begin_io_sample(struct timechart *tchart, int pid, int type,  in pid_begin_io_sample()  argument
733 	struct per_pid *p = find_create_pid(tchart, pid);  in pid_begin_io_sample()
772 static int pid_end_io_sample(struct timechart *tchart, int pid, int type,  in pid_end_io_sample()  argument
775 	struct per_pid *p = find_create_pid(tchart, pid);  in pid_end_io_sample()
805 	if (sample->end_time - sample->start_time < tchart->min_time)  in pid_end_io_sample()
806 		sample->end_time = sample->start_time + tchart->min_time;  in pid_end_io_sample()
832 	    prev->end_time + tchart->merge_dist >= sample->start_time) {  in pid_end_io_sample()
845 	tchart->io_events++;  in pid_end_io_sample()
851 process_enter_read(struct timechart *tchart,  in process_enter_read()  argument
856 	return pid_begin_io_sample(tchart, sample->tid, IOTYPE_READ,  in process_enter_read()
861 process_exit_read(struct timechart *tchart,  in process_exit_read()  argument
866 	return pid_end_io_sample(tchart, sample->tid, IOTYPE_READ,  in process_exit_read()
871 process_enter_write(struct timechart *tchart,  in process_enter_write()  argument
876 	return pid_begin_io_sample(tchart, sample->tid, IOTYPE_WRITE,  in process_enter_write()
881 process_exit_write(struct timechart *tchart,  in process_exit_write()  argument
886 	return pid_end_io_sample(tchart, sample->tid, IOTYPE_WRITE,  in process_exit_write()
891 process_enter_sync(struct timechart *tchart,  in process_enter_sync()  argument
896 	return pid_begin_io_sample(tchart, sample->tid, IOTYPE_SYNC,  in process_enter_sync()
901 process_exit_sync(struct timechart *tchart,  in process_exit_sync()  argument
906 	return pid_end_io_sample(tchart, sample->tid, IOTYPE_SYNC,  in process_exit_sync()
911 process_enter_tx(struct timechart *tchart,  in process_enter_tx()  argument
916 	return pid_begin_io_sample(tchart, sample->tid, IOTYPE_TX,  in process_enter_tx()
921 process_exit_tx(struct timechart *tchart,  in process_exit_tx()  argument
926 	return pid_end_io_sample(tchart, sample->tid, IOTYPE_TX,  in process_exit_tx()
931 process_enter_rx(struct timechart *tchart,  in process_enter_rx()  argument
936 	return pid_begin_io_sample(tchart, sample->tid, IOTYPE_RX,  in process_enter_rx()
941 process_exit_rx(struct timechart *tchart,  in process_exit_rx()  argument
946 	return pid_end_io_sample(tchart, sample->tid, IOTYPE_RX,  in process_exit_rx()
951 process_enter_poll(struct timechart *tchart,  in process_enter_poll()  argument
956 	return pid_begin_io_sample(tchart, sample->tid, IOTYPE_POLL,  in process_enter_poll()
961 process_exit_poll(struct timechart *tchart,  in process_exit_poll()  argument
966 	return pid_end_io_sample(tchart, sample->tid, IOTYPE_POLL,  in process_exit_poll()
973 static void sort_pids(struct timechart *tchart)  in sort_pids()  argument
980 	while (tchart->all_data) {  in sort_pids()
981 		p = tchart->all_data;  in sort_pids()
982 		tchart->all_data = p->next;  in sort_pids()
1015 	tchart->all_data = new_list;  in sort_pids()
1019 static void draw_c_p_states(struct timechart *tchart)  in draw_c_p_states()  argument
1022 	pwr = tchart->power_events;  in draw_c_p_states()
1033 	pwr = tchart->power_events;  in draw_c_p_states()
1037 				pwr->state = tchart->min_freq;  in draw_c_p_states()
1044 static void draw_wakeups(struct timechart *tchart)  in draw_wakeups()  argument
1050 	we = tchart->wake_events;  in draw_wakeups()
1056 		p = tchart->all_data;  in draw_wakeups()
1112 static void draw_cpu_usage(struct timechart *tchart)  in draw_cpu_usage()  argument
1117 	p = tchart->all_data;  in draw_cpu_usage()
1140 static void draw_io_bars(struct timechart *tchart)  in draw_io_bars()  argument
1150 	p = tchart->all_data;  in draw_io_bars()
1164 				if (tchart->skip_eagain &&  in draw_io_bars()
1254 static void draw_process_bars(struct timechart *tchart)  in draw_process_bars()  argument
1261 	Y = 2 * tchart->numcpus + 2;  in draw_process_bars()
1263 	p = tchart->all_data;  in draw_process_bars()
1343 static int determine_display_tasks_filtered(struct timechart *tchart)  in determine_display_tasks_filtered()  argument
1349 	p = tchart->all_data;  in determine_display_tasks_filtered()
1353 			p->start_time = tchart->first_time;  in determine_display_tasks_filtered()
1357 			p->end_time = tchart->last_time;  in determine_display_tasks_filtered()
1365 				c->start_time = tchart->first_time;  in determine_display_tasks_filtered()
1374 				c->end_time = tchart->last_time;  in determine_display_tasks_filtered()
1383 static int determine_display_tasks(struct timechart *tchart, u64 threshold)  in determine_display_tasks()  argument
1389 	p = tchart->all_data;  in determine_display_tasks()
1393 			p->start_time = tchart->first_time;  in determine_display_tasks()
1397 			p->end_time = tchart->last_time;  in determine_display_tasks()
1407 				c->start_time = tchart->first_time;  in determine_display_tasks()
1415 				c->end_time = tchart->last_time;  in determine_display_tasks()
1459 static void write_svg_file(struct timechart *tchart, const char *filename)  in write_svg_file()  argument
1463 	int thresh = tchart->io_events ? BYTES_THRESH : TIME_THRESH;  in write_svg_file()
1465 	if (tchart->power_only)  in write_svg_file()
1466 		tchart->proc_num = 0;  in write_svg_file()
1472 			count = determine_display_tasks_filtered(tchart);  in write_svg_file()
1473 		else if (tchart->io_events)  in write_svg_file()
1474 			count = determine_display_io_tasks(tchart, thresh);  in write_svg_file()
1476 			count = determine_display_tasks(tchart, thresh);  in write_svg_file()
1478 	} while (!process_filter && thresh && count < tchart->proc_num);  in write_svg_file()
1480 	if (!tchart->proc_num)  in write_svg_file()
1483 	if (tchart->io_events) {  in write_svg_file()
1484 		open_svg(filename, 0, count, tchart->first_time, tchart->last_time);  in write_svg_file()
1489 		draw_io_bars(tchart);  in write_svg_file()
1491 		open_svg(filename, tchart->numcpus, count, tchart->first_time, tchart->last_time);  in write_svg_file()
1497 		for (i = 0; i < tchart->numcpus; i++)  in write_svg_file()
1498 			svg_cpu_box(i, tchart->max_freq, tchart->turbo_frequency);  in write_svg_file()
1500 		draw_cpu_usage(tchart);  in write_svg_file()
1501 		if (tchart->proc_num)  in write_svg_file()
1502 			draw_process_bars(tchart);  in write_svg_file()
1503 		if (!tchart->tasks_only)  in write_svg_file()
1504 			draw_c_p_states(tchart);  in write_svg_file()
1505 		if (tchart->proc_num)  in write_svg_file()
1506 			draw_wakeups(tchart);  in write_svg_file()
1518 	struct timechart *tchart = data;  in process_header()  local
1522 		tchart->numcpus = ph->env.nr_cpus_avail;  in process_header()
1526 		if (!tchart->topology)  in process_header()
1540 static int __cmd_timechart(struct timechart *tchart, const char *output_name)  in __cmd_timechart()  argument
1606 		.force = tchart->force,  in __cmd_timechart()
1611 	perf_tool__init(&tchart->tool, /*ordered_events=*/true);  in __cmd_timechart()
1612 	tchart->tool.comm		 = process_comm_event;  in __cmd_timechart()
1613 	tchart->tool.fork		 = process_fork_event;  in __cmd_timechart()
1614 	tchart->tool.exit		 = process_exit_event;  in __cmd_timechart()
1615 	tchart->tool.sample		 = process_sample_event;  in __cmd_timechart()
1617 	session = perf_session__new(&data, &tchart->tool);  in __cmd_timechart()
1625 					    tchart,  in __cmd_timechart()
1641 	end_sample_processing(tchart);  in __cmd_timechart()
1643 	sort_pids(tchart);  in __cmd_timechart()
1645 	write_svg_file(tchart, output_name);  in __cmd_timechart()
1648 		(tchart->last_time - tchart->first_time) / (double)NSEC_PER_SEC, output_name);  in __cmd_timechart()
1789 static int timechart__record(struct timechart *tchart, int argc, const char **argv)  in timechart__record()  argument
1837 	if (tchart->power_only)  in timechart__record()
1840 	if (tchart->tasks_only) {  in timechart__record()
1845 	if (!tchart->with_backtrace)  in timechart__record()
1931 	struct timechart tchart = {  in cmd_timechart()  local
1938 	OPT_BOOLEAN('P', "power-only", &tchart.power_only, "output power data only"),  in cmd_timechart()
1939 	OPT_BOOLEAN('T', "tasks-only", &tchart.tasks_only, "output processes data only"),  in cmd_timechart()
1955 	OPT_INTEGER('n', "proc-num", &tchart.proc_num,  in cmd_timechart()
1957 	OPT_BOOLEAN('t', "topology", &tchart.topology,  in cmd_timechart()
1959 	OPT_BOOLEAN(0, "io-skip-eagain", &tchart.skip_eagain,  in cmd_timechart()
1961 	OPT_CALLBACK(0, "io-min-time", &tchart.min_time, "time",  in cmd_timechart()
1964 	OPT_CALLBACK(0, "io-merge-dist", &tchart.merge_dist, "time",  in cmd_timechart()
1967 	OPT_BOOLEAN('f', "force", &tchart.force, "don't complain, do it"),  in cmd_timechart()
1976 	OPT_BOOLEAN('I', "io-only", &tchart.io_only,  in cmd_timechart()
1978 	OPT_BOOLEAN('g', "callchain", &tchart.with_backtrace, "record callchain"),  in cmd_timechart()
2009 	if (tchart.power_only && tchart.tasks_only) {  in cmd_timechart()
2020 		if (tchart.power_only && tchart.tasks_only) {  in cmd_timechart()
2026 		if (tchart.io_only)  in cmd_timechart()
2029 			ret = timechart__record(&tchart, argc, argv);  in cmd_timechart()
2036 	ret = __cmd_timechart(&tchart, output_name);  in cmd_timechart()