22  * evsel__config_leader_sampling() uses special rules for leader sampling.
23  * However, if the leader is an AUX area event, then assume the event to sample
28 	struct evsel *leader = evsel__leader(evsel);  in evsel__read_sampler()  local
30 	if (evsel__is_aux_event(leader) || arch_topdown_sample_read(leader) ||  in evsel__read_sampler()
31 	    is_mem_loads_aux_event(leader)) {  in evsel__read_sampler()
33 			if (evsel__leader(evsel) == leader && evsel != evsel__leader(evsel))  in evsel__read_sampler()
38 	return leader;  in evsel__read_sampler()
56 	struct evsel *leader = evsel__leader(evsel);  in evsel__config_leader_sampling()  local
60 	if (!leader->sample_read)  in evsel__config_leader_sampling()
71 	 * config terms or the leader. In the case of an AUX area event, the 2nd  in evsel__config_leader_sampling()
85 	 * the group leader sample. Set the slave event to follow the master  in evsel__config_leader_sampling()
88 	 * the sample type bits from the leader's sample_type to cover that  in evsel__config_leader_sampling()
92 			    leader->core.attr.sample_type;  in evsel__config_leader_sampling()
113 	/* Configure leader sampling here now that the sample type is known */  in evlist__config()