27 	int err, i;  in spin_sleep()  local
32 	err = gettimeofday(&start, NULL);  in spin_sleep()
33 	if (err)  in spin_sleep()
34 		return err;  in spin_sleep()
41 		err = gettimeofday(&now, NULL);  in spin_sleep()
42 		if (err)  in spin_sleep()
43 			return err;  in spin_sleep()
54 	err = nanosleep(&ts, NULL);  in spin_sleep()
55 	if (err == EINTR)  in spin_sleep()
56 		err = 0;  in spin_sleep()
58 	return err;  in spin_sleep()
130 	int cpu, err;  in process_sample_event()  local
144 		err = check_cpu(switch_tracking, cpu);  in process_sample_event()
145 		if (err)  in process_sample_event()
146 			return err;  in process_sample_event()
180 		int err, done = 0;  in process_event()  local
182 		err = check_comm(switch_tracking, event, "Test COMM 1", 0);  in process_event()
183 		if (err < 0)  in process_event()
185 		done += err;  in process_event()
186 		err = check_comm(switch_tracking, event, "Test COMM 2", 1);  in process_event()
187 		if (err < 0)  in process_event()
189 		done += err;  in process_event()
190 		err = check_comm(switch_tracking, event, "Test COMM 3", 2);  in process_event()
191 		if (err < 0)  in process_event()
193 		done += err;  in process_event()
194 		err = check_comm(switch_tracking, event, "Test COMM 4", 3);  in process_event()
195 		if (err < 0)  in process_event()
197 		done += err;  in process_event()
344 	int err = -1;  in test__switch_tracking()  local
367 	err = parse_events(evlist, "cpu-clock:u", NULL);  in test__switch_tracking()
368 	if (err) {  in test__switch_tracking()
378 		err = parse_events(evlist, cycles, NULL);  in test__switch_tracking()
379 		if (err) {  in test__switch_tracking()
382 			err = parse_events(evlist, cycles, NULL);  in test__switch_tracking()
385 		err = parse_events(evlist, cycles, NULL);  in test__switch_tracking()
387 	if (err) {  in test__switch_tracking()
397 		err = 0;  in test__switch_tracking()
401 	err = parse_events(evlist, sched_switch, NULL);  in test__switch_tracking()
402 	if (err) {  in test__switch_tracking()
431 	err = parse_events(evlist, "dummy:u", NULL);  in test__switch_tracking()
432 	if (err) {  in test__switch_tracking()
473 		err = 0;  in test__switch_tracking()
477 	err = evlist__mmap(evlist, UINT_MAX);  in test__switch_tracking()
478 	if (err) {  in test__switch_tracking()
485 	err = evsel__disable(cpu_clocks_evsel);  in test__switch_tracking()
486 	if (err) {  in test__switch_tracking()
491 	err = spin_sleep();  in test__switch_tracking()
492 	if (err) {  in test__switch_tracking()
498 	err = prctl(PR_SET_NAME, (unsigned long)comm, 0, 0, 0);  in test__switch_tracking()
499 	if (err) {  in test__switch_tracking()
504 	err = evsel__disable(cycles_evsel);  in test__switch_tracking()
505 	if (err) {  in test__switch_tracking()
511 	err = prctl(PR_SET_NAME, (unsigned long)comm, 0, 0, 0);  in test__switch_tracking()
512 	if (err) {  in test__switch_tracking()
517 	err = spin_sleep();  in test__switch_tracking()
518 	if (err) {  in test__switch_tracking()
524 	err = prctl(PR_SET_NAME, (unsigned long)comm, 0, 0, 0);  in test__switch_tracking()
525 	if (err) {  in test__switch_tracking()
530 	err = evsel__enable(cycles_evsel);  in test__switch_tracking()
531 	if (err) {  in test__switch_tracking()
537 	err = prctl(PR_SET_NAME, (unsigned long)comm, 0, 0, 0);  in test__switch_tracking()
538 	if (err) {  in test__switch_tracking()
543 	err = spin_sleep();  in test__switch_tracking()
544 	if (err) {  in test__switch_tracking()
554 	err = process_events(evlist, &switch_tracking);  in test__switch_tracking()
558 	if (err)  in test__switch_tracking()
593 	return err;  in test__switch_tracking()
596 	err = -1;  in test__switch_tracking()