17 	int err, i;  in spin_sleep()  local
22 	err = gettimeofday(&start, NULL);  in spin_sleep()
23 	if (err)  in spin_sleep()
24 		return err;  in spin_sleep()
31 		err = gettimeofday(&now, NULL);  in spin_sleep()
32 		if (err)  in spin_sleep()
33 			return err;  in spin_sleep()
44 	err = nanosleep(&ts, NULL);  in spin_sleep()
45 	if (err == EINTR)  in spin_sleep()
46 		err = 0;  in spin_sleep()
48 	return err;  in spin_sleep()
120 	int cpu, err;  in process_sample_event()  local
134 		err = check_cpu(switch_tracking, cpu);  in process_sample_event()
135 		if (err)  in process_sample_event()
136 			return err;  in process_sample_event()
170 		int err, done = 0;  in process_event()  local
172 		err = check_comm(switch_tracking, event, "Test COMM 1", 0);  in process_event()
173 		if (err < 0)  in process_event()
175 		done += err;  in process_event()
176 		err = check_comm(switch_tracking, event, "Test COMM 2", 1);  in process_event()
177 		if (err < 0)  in process_event()
179 		done += err;  in process_event()
180 		err = check_comm(switch_tracking, event, "Test COMM 3", 2);  in process_event()
181 		if (err < 0)  in process_event()
183 		done += err;  in process_event()
184 		err = check_comm(switch_tracking, event, "Test COMM 4", 3);  in process_event()
185 		if (err < 0)  in process_event()
187 		done += err;  in process_event()
327 	int err = -1;  in test__switch_tracking()  local
350 	err = parse_events(evlist, "cpu-clock:u");  in test__switch_tracking()
351 	if (err) {  in test__switch_tracking()
359 	err = parse_events(evlist, "cycles:u");  in test__switch_tracking()
360 	if (err) {  in test__switch_tracking()
370 		err = 0;  in test__switch_tracking()
374 	err = parse_events(evlist, sched_switch);  in test__switch_tracking()
375 	if (err) {  in test__switch_tracking()
404 	err = parse_events(evlist, "dummy:u");  in test__switch_tracking()
405 	if (err) {  in test__switch_tracking()
446 		err = 0;  in test__switch_tracking()
450 	err = perf_evlist__mmap(evlist, UINT_MAX, false);  in test__switch_tracking()
451 	if (err) {  in test__switch_tracking()
458 	err = perf_evlist__disable_event(evlist, cpu_clocks_evsel);  in test__switch_tracking()
459 	if (err) {  in test__switch_tracking()
464 	err = spin_sleep();  in test__switch_tracking()
465 	if (err) {  in test__switch_tracking()
471 	err = prctl(PR_SET_NAME, (unsigned long)comm, 0, 0, 0);  in test__switch_tracking()
472 	if (err) {  in test__switch_tracking()
477 	err = perf_evlist__disable_event(evlist, cycles_evsel);  in test__switch_tracking()
478 	if (err) {  in test__switch_tracking()
484 	err = prctl(PR_SET_NAME, (unsigned long)comm, 0, 0, 0);  in test__switch_tracking()
485 	if (err) {  in test__switch_tracking()
490 	err = spin_sleep();  in test__switch_tracking()
491 	if (err) {  in test__switch_tracking()
497 	err = prctl(PR_SET_NAME, (unsigned long)comm, 0, 0, 0);  in test__switch_tracking()
498 	if (err) {  in test__switch_tracking()
503 	err = perf_evlist__enable_event(evlist, cycles_evsel);  in test__switch_tracking()
504 	if (err) {  in test__switch_tracking()
510 	err = prctl(PR_SET_NAME, (unsigned long)comm, 0, 0, 0);  in test__switch_tracking()
511 	if (err) {  in test__switch_tracking()
516 	err = spin_sleep();  in test__switch_tracking()
517 	if (err) {  in test__switch_tracking()
527 	err = process_events(evlist, &switch_tracking);  in test__switch_tracking()
531 	if (err)  in test__switch_tracking()
567 	return err;  in test__switch_tracking()
570 	err = -1;  in test__switch_tracking()