24 	int err = -1, i, nr_events = 0, nr_polls = 0;  in test__syscall_open_tp_fields()  local
40 	err = perf_evlist__create_maps(evlist, &opts.target);  in test__syscall_open_tp_fields()
41 	if (err < 0) {  in test__syscall_open_tp_fields()
50 	err = perf_evlist__open(evlist);  in test__syscall_open_tp_fields()
51 	if (err < 0) {  in test__syscall_open_tp_fields()
57 	err = perf_evlist__mmap(evlist, UINT_MAX, false);  in test__syscall_open_tp_fields()
58 	if (err < 0) {  in test__syscall_open_tp_fields()
89 				err = perf_evsel__parse_sample(evsel, event, &sample);  in test__syscall_open_tp_fields()
90 				if (err) {  in test__syscall_open_tp_fields()
91 					pr_err("Can't parse sample, err = %d\n", err);  in test__syscall_open_tp_fields()
116 	err = 0;  in test__syscall_open_tp_fields()
120 	return err;  in test__syscall_open_tp_fields()