197 static struct per_pid *find_create_pid(struct timechart *tchart, int pid)  in find_create_pid()  argument
199 	struct per_pid *cursor = tchart->all_data;  in find_create_pid()
209 	cursor->next = tchart->all_data;  in find_create_pid()
210 	tchart->all_data = cursor;  in find_create_pid()
214 static void pid_set_comm(struct timechart *tchart, int pid, char *comm)  in pid_set_comm()  argument
218 	p = find_create_pid(tchart, pid);  in pid_set_comm()
240 static void pid_fork(struct timechart *tchart, int pid, int ppid, u64 timestamp)  in pid_fork()  argument
243 	p = find_create_pid(tchart, pid);  in pid_fork()
244 	pp = find_create_pid(tchart, ppid);  in pid_fork()
247 		pid_set_comm(tchart, pid, pp->current->comm);  in pid_fork()
256 static void pid_exit(struct timechart *tchart, int pid, u64 timestamp)  in pid_exit()  argument
259 	p = find_create_pid(tchart, pid);  in pid_exit()
265 static void pid_put_sample(struct timechart *tchart, int pid, int type,  in pid_put_sample()  argument
273 	p = find_create_pid(tchart, pid);  in pid_put_sample()
316 	struct timechart *tchart = container_of(tool, struct timechart, tool);  in process_comm_event()  local
317 	pid_set_comm(tchart, event->comm.tid, event->comm.comm);  in process_comm_event()
326 	struct timechart *tchart = container_of(tool, struct timechart, tool);  in process_fork_event()  local
327 	pid_fork(tchart, event->fork.pid, event->fork.ppid, event->fork.time);  in process_fork_event()
336 	struct timechart *tchart = container_of(tool, struct timechart, tool);  in process_exit_event()  local
337 	pid_exit(tchart, event->fork.pid, event->fork.time);  in process_exit_event()
351 static void c_state_end(struct timechart *tchart, int cpu, u64 timestamp)  in c_state_end()  argument
363 	pwr->next = tchart->power_events;  in c_state_end()
365 	tchart->power_events = pwr;  in c_state_end()
368 static void p_state_change(struct timechart *tchart, int cpu, u64 timestamp, u64 new_freq)  in p_state_change()  argument
384 	pwr->next = tchart->power_events;  in p_state_change()
387 		pwr->start_time = tchart->first_time;  in p_state_change()
389 	tchart->power_events = pwr;  in p_state_change()
394 	if ((u64)new_freq > tchart->max_freq)  in p_state_change()
395 		tchart->max_freq = new_freq;  in p_state_change()
397 	if (new_freq < tchart->min_freq || tchart->min_freq == 0)  in p_state_change()
398 		tchart->min_freq = new_freq;  in p_state_change()
400 	if (new_freq == tchart->max_freq - 1000)  in p_state_change()
401 		tchart->turbo_frequency = tchart->max_freq;  in p_state_change()
404 static void sched_wakeup(struct timechart *tchart, int cpu, u64 timestamp,  in sched_wakeup()  argument
421 	we->next = tchart->wake_events;  in sched_wakeup()
422 	tchart->wake_events = we;  in sched_wakeup()
423 	p = find_create_pid(tchart, we->wakee);  in sched_wakeup()
430 		pid_put_sample(tchart, p->pid, p->current->state, cpu,  in sched_wakeup()
437 static void sched_switch(struct timechart *tchart, int cpu, u64 timestamp,  in sched_switch()  argument
443 	prev_p = find_create_pid(tchart, prev_pid);  in sched_switch()
445 	p = find_create_pid(tchart, next_pid);  in sched_switch()
448 		pid_put_sample(tchart, prev_pid, TYPE_RUNNING, cpu,  in sched_switch()
453 			pid_put_sample(tchart, next_pid, p->current->state, cpu,  in sched_switch()
548 typedef int (*tracepoint_handler)(struct timechart *tchart,
559 	struct timechart *tchart = container_of(tool, struct timechart, tool);  in process_sample_event()  local
562 		if (!tchart->first_time || tchart->first_time > sample->time)  in process_sample_event()
563 			tchart->first_time = sample->time;  in process_sample_event()
564 		if (tchart->last_time < sample->time)  in process_sample_event()
565 			tchart->last_time = sample->time;  in process_sample_event()
570 		return f(tchart, evsel, sample,  in process_sample_event()
578 process_sample_cpu_idle(struct timechart *tchart __maybe_unused,  in process_sample_cpu_idle()
587 		c_state_end(tchart, cpu_id, sample->time);  in process_sample_cpu_idle()
594 process_sample_cpu_frequency(struct timechart *tchart,  in process_sample_cpu_frequency()  argument
602 	p_state_change(tchart, cpu_id, sample->time, state);  in process_sample_cpu_frequency()
607 process_sample_sched_wakeup(struct timechart *tchart,  in process_sample_sched_wakeup()  argument
616 	sched_wakeup(tchart, sample->cpu, sample->time, waker, wakee, flags, backtrace);  in process_sample_sched_wakeup()
621 process_sample_sched_switch(struct timechart *tchart,  in process_sample_sched_switch()  argument
630 	sched_switch(tchart, sample->cpu, sample->time, prev_pid, next_pid,  in process_sample_sched_switch()
637 process_sample_power_start(struct timechart *tchart __maybe_unused,  in process_sample_power_start()
650 process_sample_power_end(struct timechart *tchart,  in process_sample_power_end()  argument
655 	c_state_end(tchart, sample->cpu, sample->time);  in process_sample_power_end()
660 process_sample_power_frequency(struct timechart *tchart,  in process_sample_power_frequency()  argument
668 	p_state_change(tchart, cpu_id, sample->time, value);  in process_sample_power_frequency()
677 static void end_sample_processing(struct timechart *tchart)  in end_sample_processing()  argument
682 	for (cpu = 0; cpu <= tchart->numcpus; cpu++) {  in end_sample_processing()
691 		pwr->end_time = tchart->last_time;  in end_sample_processing()
694 		pwr->next = tchart->power_events;  in end_sample_processing()
696 		tchart->power_events = pwr;  in end_sample_processing()
706 		pwr->end_time = tchart->last_time;  in end_sample_processing()
709 		pwr->next = tchart->power_events;  in end_sample_processing()
712 			pwr->start_time = tchart->first_time;  in end_sample_processing()
714 			pwr->state = tchart->min_freq;  in end_sample_processing()
715 		tchart->power_events = pwr;  in end_sample_processing()
719 static int pid_begin_io_sample(struct timechart *tchart, int pid, int type,  in pid_begin_io_sample()  argument
722 	struct per_pid *p = find_create_pid(tchart, pid);  in pid_begin_io_sample()
764 static int pid_end_io_sample(struct timechart *tchart, int pid, int type,  in pid_end_io_sample()  argument
767 	struct per_pid *p = find_create_pid(tchart, pid);  in pid_end_io_sample()
797 	if (sample->end_time - sample->start_time < tchart->min_time)  in pid_end_io_sample()
798 		sample->end_time = sample->start_time + tchart->min_time;  in pid_end_io_sample()
824 	    prev->end_time + tchart->merge_dist >= sample->start_time) {  in pid_end_io_sample()
837 	tchart->io_events++;  in pid_end_io_sample()
843 process_enter_read(struct timechart *tchart,  in process_enter_read()  argument
848 	return pid_begin_io_sample(tchart, sample->tid, IOTYPE_READ,  in process_enter_read()
853 process_exit_read(struct timechart *tchart,  in process_exit_read()  argument
858 	return pid_end_io_sample(tchart, sample->tid, IOTYPE_READ,  in process_exit_read()
863 process_enter_write(struct timechart *tchart,  in process_enter_write()  argument
868 	return pid_begin_io_sample(tchart, sample->tid, IOTYPE_WRITE,  in process_enter_write()
873 process_exit_write(struct timechart *tchart,  in process_exit_write()  argument
878 	return pid_end_io_sample(tchart, sample->tid, IOTYPE_WRITE,  in process_exit_write()
883 process_enter_sync(struct timechart *tchart,  in process_enter_sync()  argument
888 	return pid_begin_io_sample(tchart, sample->tid, IOTYPE_SYNC,  in process_enter_sync()
893 process_exit_sync(struct timechart *tchart,  in process_exit_sync()  argument
898 	return pid_end_io_sample(tchart, sample->tid, IOTYPE_SYNC,  in process_exit_sync()
903 process_enter_tx(struct timechart *tchart,  in process_enter_tx()  argument
908 	return pid_begin_io_sample(tchart, sample->tid, IOTYPE_TX,  in process_enter_tx()
913 process_exit_tx(struct timechart *tchart,  in process_exit_tx()  argument
918 	return pid_end_io_sample(tchart, sample->tid, IOTYPE_TX,  in process_exit_tx()
923 process_enter_rx(struct timechart *tchart,  in process_enter_rx()  argument
928 	return pid_begin_io_sample(tchart, sample->tid, IOTYPE_RX,  in process_enter_rx()
933 process_exit_rx(struct timechart *tchart,  in process_exit_rx()  argument
938 	return pid_end_io_sample(tchart, sample->tid, IOTYPE_RX,  in process_exit_rx()
943 process_enter_poll(struct timechart *tchart,  in process_enter_poll()  argument
948 	return pid_begin_io_sample(tchart, sample->tid, IOTYPE_POLL,  in process_enter_poll()
953 process_exit_poll(struct timechart *tchart,  in process_exit_poll()  argument
958 	return pid_end_io_sample(tchart, sample->tid, IOTYPE_POLL,  in process_exit_poll()
965 static void sort_pids(struct timechart *tchart)  in sort_pids()  argument
972 	while (tchart->all_data) {  in sort_pids()
973 		p = tchart->all_data;  in sort_pids()
974 		tchart->all_data = p->next;  in sort_pids()
1007 	tchart->all_data = new_list;  in sort_pids()
1011 static void draw_c_p_states(struct timechart *tchart)  in draw_c_p_states()  argument
1014 	pwr = tchart->power_events;  in draw_c_p_states()
1025 	pwr = tchart->power_events;  in draw_c_p_states()
1029 				pwr->state = tchart->min_freq;  in draw_c_p_states()
1036 static void draw_wakeups(struct timechart *tchart)  in draw_wakeups()  argument
1042 	we = tchart->wake_events;  in draw_wakeups()
1048 		p = tchart->all_data;  in draw_wakeups()
1104 static void draw_cpu_usage(struct timechart *tchart)  in draw_cpu_usage()  argument
1109 	p = tchart->all_data;  in draw_cpu_usage()
1132 static void draw_io_bars(struct timechart *tchart)  in draw_io_bars()  argument
1142 	p = tchart->all_data;  in draw_io_bars()
1157 				if (tchart->skip_eagain &&  in draw_io_bars()
1247 static void draw_process_bars(struct timechart *tchart)  in draw_process_bars()  argument
1254 	Y = 2 * tchart->numcpus + 2;  in draw_process_bars()
1256 	p = tchart->all_data;  in draw_process_bars()
1336 static int determine_display_tasks_filtered(struct timechart *tchart)  in determine_display_tasks_filtered()  argument
1342 	p = tchart->all_data;  in determine_display_tasks_filtered()
1346 			p->start_time = tchart->first_time;  in determine_display_tasks_filtered()
1350 			p->end_time = tchart->last_time;  in determine_display_tasks_filtered()
1358 				c->start_time = tchart->first_time;  in determine_display_tasks_filtered()
1367 				c->end_time = tchart->last_time;  in determine_display_tasks_filtered()
1376 static int determine_display_tasks(struct timechart *tchart, u64 threshold)  in determine_display_tasks()  argument
1382 	p = tchart->all_data;  in determine_display_tasks()
1386 			p->start_time = tchart->first_time;  in determine_display_tasks()
1390 			p->end_time = tchart->last_time;  in determine_display_tasks()
1400 				c->start_time = tchart->first_time;  in determine_display_tasks()
1408 				c->end_time = tchart->last_time;  in determine_display_tasks()
1452 static void write_svg_file(struct timechart *tchart, const char *filename)  in write_svg_file()  argument
1456 	int thresh = tchart->io_events ? BYTES_THRESH : TIME_THRESH;  in write_svg_file()
1458 	if (tchart->power_only)  in write_svg_file()
1459 		tchart->proc_num = 0;  in write_svg_file()
1465 			count = determine_display_tasks_filtered(tchart);  in write_svg_file()
1466 		else if (tchart->io_events)  in write_svg_file()
1467 			count = determine_display_io_tasks(tchart, thresh);  in write_svg_file()
1469 			count = determine_display_tasks(tchart, thresh);  in write_svg_file()
1471 	} while (!process_filter && thresh && count < tchart->proc_num);  in write_svg_file()
1473 	if (!tchart->proc_num)  in write_svg_file()
1476 	if (tchart->io_events) {  in write_svg_file()
1477 		open_svg(filename, 0, count, tchart->first_time, tchart->last_time);  in write_svg_file()
1482 		draw_io_bars(tchart);  in write_svg_file()
1484 		open_svg(filename, tchart->numcpus, count, tchart->first_time, tchart->last_time);  in write_svg_file()
1490 		for (i = 0; i < tchart->numcpus; i++)  in write_svg_file()
1491 			svg_cpu_box(i, tchart->max_freq, tchart->turbo_frequency);  in write_svg_file()
1493 		draw_cpu_usage(tchart);  in write_svg_file()
1494 		if (tchart->proc_num)  in write_svg_file()
1495 			draw_process_bars(tchart);  in write_svg_file()
1496 		if (!tchart->tasks_only)  in write_svg_file()
1497 			draw_c_p_states(tchart);  in write_svg_file()
1498 		if (tchart->proc_num)  in write_svg_file()
1499 			draw_wakeups(tchart);  in write_svg_file()
1511 	struct timechart *tchart = data;  in process_header()  local
1515 		tchart->numcpus = ph->env.nr_cpus_avail;  in process_header()
1519 		if (!tchart->topology)  in process_header()
1536 static int __cmd_timechart(struct timechart *tchart, const char *output_name)  in __cmd_timechart()  argument
1602 		.force = tchart->force,  in __cmd_timechart()
1606 							 &tchart->tool);  in __cmd_timechart()
1616 					    tchart,  in __cmd_timechart()
1632 	end_sample_processing(tchart);  in __cmd_timechart()
1634 	sort_pids(tchart);  in __cmd_timechart()
1636 	write_svg_file(tchart, output_name);  in __cmd_timechart()
1639 		(tchart->last_time - tchart->first_time) / 1000000000.0, output_name);  in __cmd_timechart()
1778 static int timechart__record(struct timechart *tchart, int argc, const char **argv)  in timechart__record()  argument
1826 	if (tchart->power_only)  in timechart__record()
1829 	if (tchart->tasks_only) {  in timechart__record()
1834 	if (!tchart->with_backtrace)  in timechart__record()
1921 	struct timechart tchart = {  in cmd_timechart()  local
1941 	OPT_BOOLEAN('P', "power-only", &tchart.power_only, "output power data only"),  in cmd_timechart()
1942 	OPT_BOOLEAN('T', "tasks-only", &tchart.tasks_only,  in cmd_timechart()
1949 	OPT_INTEGER('n', "proc-num", &tchart.proc_num,  in cmd_timechart()
1951 	OPT_BOOLEAN('t', "topology", &tchart.topology,  in cmd_timechart()
1953 	OPT_BOOLEAN(0, "io-skip-eagain", &tchart.skip_eagain,  in cmd_timechart()
1955 	OPT_CALLBACK(0, "io-min-time", &tchart.min_time, "time",  in cmd_timechart()
1958 	OPT_CALLBACK(0, "io-merge-dist", &tchart.merge_dist, "time",  in cmd_timechart()
1961 	OPT_BOOLEAN('f', "force", &tchart.force, "don't complain, do it"),  in cmd_timechart()
1971 	OPT_BOOLEAN('P', "power-only", &tchart.power_only, "output power data only"),  in cmd_timechart()
1972 	OPT_BOOLEAN('T', "tasks-only", &tchart.tasks_only,  in cmd_timechart()
1974 	OPT_BOOLEAN('I', "io-only", &tchart.io_only,  in cmd_timechart()
1976 	OPT_BOOLEAN('g', "callchain", &tchart.with_backtrace, "record callchain"),  in cmd_timechart()
1986 	if (tchart.power_only && tchart.tasks_only) {  in cmd_timechart()
1996 		if (tchart.power_only && tchart.tasks_only) {  in cmd_timechart()
2001 		if (tchart.io_only)  in cmd_timechart()
2004 			return timechart__record(&tchart, argc, argv);  in cmd_timechart()
2010 	return __cmd_timechart(&tchart, output_name);  in cmd_timechart()