620 	struct perf_event *leader = event->group_leader;  in __perf_effective_state()  local
622 	if (leader->state <= PERF_EVENT_STATE_OFF)  in __perf_effective_state()
623 		return leader->state;  in __perf_effective_state()
652 static void perf_event_update_sibling_time(struct perf_event *leader)  in perf_event_update_sibling_time()  argument
656 	for_each_sibling_event(sibling, leader)  in perf_event_update_sibling_time()
2163 	struct perf_event *leader = event->group_leader;  in perf_group_detach()  local
2182 	if (leader != event) {  in perf_group_detach()
2216 	for_each_sibling_event(tmp, leader)  in perf_group_detach()
2219 	perf_event__header_size(leader);  in perf_group_detach()
2972 	struct perf_event *leader = event->group_leader;  in __perf_event_enable()  local
2997 	if (leader != event && leader->state != PERF_EVENT_STATE_ACTIVE) {  in __perf_event_enable()
5306 static int __perf_read_group_add(struct perf_event *leader,  in __perf_read_group_add()  argument
5309 	struct perf_event_context *ctx = leader->ctx;  in __perf_read_group_add()
5315 	ret = perf_event_read(leader, true);  in __perf_read_group_add()
5340 	parent = leader->parent;  in __perf_read_group_add()
5342 	    (parent->group_generation != leader->group_generation ||  in __perf_read_group_add()
5343 	     parent->nr_siblings != leader->nr_siblings)) {  in __perf_read_group_add()
5354 		values[n++] += leader->total_time_enabled +  in __perf_read_group_add()
5355 			atomic64_read(&leader->child_total_time_enabled);  in __perf_read_group_add()
5359 		values[n++] += leader->total_time_running +  in __perf_read_group_add()
5360 			atomic64_read(&leader->child_total_time_running);  in __perf_read_group_add()
5366 	values[n++] += perf_event_count(leader);  in __perf_read_group_add()
5368 		values[n++] = primary_event_id(leader);  in __perf_read_group_add()
5370 		values[n++] = atomic64_read(&leader->lost_samples);  in __perf_read_group_add()
5372 	for_each_sibling_event(sub, leader) {  in __perf_read_group_add()
5388 	struct perf_event *leader = event->group_leader, *child;  in perf_read_group()  local
5389 	struct perf_event_context *ctx = leader->ctx;  in perf_read_group()
5399 	values[0] = 1 + leader->nr_siblings;  in perf_read_group()
5401 	mutex_lock(&leader->child_mutex);  in perf_read_group()
5403 	ret = __perf_read_group_add(leader, read_format, values);  in perf_read_group()
5407 	list_for_each_entry(child, &leader->child_list, child_list) {  in perf_read_group()
5413 	mutex_unlock(&leader->child_mutex);  in perf_read_group()
5421 	mutex_unlock(&leader->child_mutex);  in perf_read_group()
7018 	struct perf_event *leader = event->group_leader, *sub;  in perf_output_read_group()  local
7030 	values[n++] = 1 + leader->nr_siblings;  in perf_output_read_group()
7038 	if ((leader != event) &&  in perf_output_read_group()
7039 	    (leader->state == PERF_EVENT_STATE_ACTIVE))  in perf_output_read_group()
7040 		leader->pmu->read(leader);  in perf_output_read_group()
7042 	values[n++] = perf_event_count(leader);  in perf_output_read_group()
7044 		values[n++] = primary_event_id(leader);  in perf_output_read_group()
7046 		values[n++] = atomic64_read(&leader->lost_samples);  in perf_output_read_group()
7050 	for_each_sibling_event(sub, leader) {  in perf_output_read_group()
13298 	struct perf_event *leader;  in inherit_group()  local
13302 	leader = inherit_event(parent_event, parent, parent_ctx,  in inherit_group()
13304 	if (IS_ERR(leader))  in inherit_group()
13305 		return PTR_ERR(leader);  in inherit_group()
13313 					    child, leader, child_ctx);  in inherit_group()
13318 		    !perf_get_aux_event(child_ctr, leader))  in inherit_group()
13321 	leader->group_generation = parent_event->group_generation;  in inherit_group()