114 	struct evsel *first = evlist__first(evlist);  in perf_evlist__set_id_pos()  local
116 	evlist->id_pos = first->id_pos;  in perf_evlist__set_id_pos()
117 	evlist->is_pos = first->is_pos;  in perf_evlist__set_id_pos()
596 	struct evsel *first = evlist__first(evlist);  in perf_evlist__event2evsel()  local
603 		return first;  in perf_evlist__event2evsel()
605 	if (!first->core.attr.sample_id_all &&  in perf_evlist__event2evsel()
607 		return first;  in perf_evlist__event2evsel()
614 		return first;  in perf_evlist__event2evsel()
1153 	struct evsel *first = evlist__first(evlist), *pos = first;  in perf_evlist__valid_read_format()  local
1154 	u64 read_format = first->core.attr.read_format;  in perf_evlist__valid_read_format()
1155 	u64 sample_type = first->core.attr.sample_type;  in perf_evlist__valid_read_format()
1175 	struct evsel *first = evlist__first(evlist);  in perf_evlist__id_hdr_size()  local
1180 	if (!first->core.attr.sample_id_all)  in perf_evlist__id_hdr_size()
1183 	sample_type = first->core.attr.sample_type;  in perf_evlist__id_hdr_size()
1208 	struct evsel *first = evlist__first(evlist), *pos = first;  in evlist__valid_sample_id_all()  local
1211 		if (first->core.attr.sample_id_all != pos->core.attr.sample_id_all)  in evlist__valid_sample_id_all()
1220 	struct evsel *first = evlist__first(evlist);  in evlist__sample_id_all()  local
1221 	return first->core.attr.sample_id_all;  in evlist__sample_id_all()
1508 		struct evsel *first = evlist__first(evlist);  in evlist__strerror_open()  local
1514 		if (first->core.attr.sample_freq < (u64)max_freq)  in evlist__strerror_open()
1521 				    emsg, max_freq, first->core.attr.sample_freq);  in evlist__strerror_open()