611 	struct perf_event *leader = event->group_leader;  in __perf_effective_state()  local
613 	if (leader->state <= PERF_EVENT_STATE_OFF)  in __perf_effective_state()
614 		return leader->state;  in __perf_effective_state()
643 static void perf_event_update_sibling_time(struct perf_event *leader)  in perf_event_update_sibling_time()  argument
647 	for_each_sibling_event(sibling, leader)  in perf_event_update_sibling_time()
2746 	struct perf_event *leader = event->group_leader;  in __perf_event_enable()  local
2770 	if (leader != event && leader->state != PERF_EVENT_STATE_ACTIVE) {  in __perf_event_enable()
4835 static int __perf_read_group_add(struct perf_event *leader,  in __perf_read_group_add()  argument
4838 	struct perf_event_context *ctx = leader->ctx;  in __perf_read_group_add()
4844 	ret = perf_event_read(leader, true);  in __perf_read_group_add()
4856 		values[n++] += leader->total_time_enabled +  in __perf_read_group_add()
4857 			atomic64_read(&leader->child_total_time_enabled);  in __perf_read_group_add()
4861 		values[n++] += leader->total_time_running +  in __perf_read_group_add()
4862 			atomic64_read(&leader->child_total_time_running);  in __perf_read_group_add()
4868 	values[n++] += perf_event_count(leader);  in __perf_read_group_add()
4870 		values[n++] = primary_event_id(leader);  in __perf_read_group_add()
4872 	for_each_sibling_event(sub, leader) {  in __perf_read_group_add()
4885 	struct perf_event *leader = event->group_leader, *child;  in perf_read_group()  local
4886 	struct perf_event_context *ctx = leader->ctx;  in perf_read_group()
4896 	values[0] = 1 + leader->nr_siblings;  in perf_read_group()
4902 	mutex_lock(&leader->child_mutex);  in perf_read_group()
4904 	ret = __perf_read_group_add(leader, read_format, values);  in perf_read_group()
4908 	list_for_each_entry(child, &leader->child_list, child_list) {  in perf_read_group()
4914 	mutex_unlock(&leader->child_mutex);  in perf_read_group()
4922 	mutex_unlock(&leader->child_mutex);  in perf_read_group()
6290 	struct perf_event *leader = event->group_leader, *sub;  in perf_output_read_group()  local
6295 	values[n++] = 1 + leader->nr_siblings;  in perf_output_read_group()
6303 	if ((leader != event) &&  in perf_output_read_group()
6304 	    (leader->state == PERF_EVENT_STATE_ACTIVE))  in perf_output_read_group()
6305 		leader->pmu->read(leader);  in perf_output_read_group()
6307 	values[n++] = perf_event_count(leader);  in perf_output_read_group()
6309 		values[n++] = primary_event_id(leader);  in perf_output_read_group()
6313 	for_each_sibling_event(sub, leader) {  in perf_output_read_group()
11924 	struct perf_event *leader;  in inherit_group()  local
11928 	leader = inherit_event(parent_event, parent, parent_ctx,  in inherit_group()
11930 	if (IS_ERR(leader))  in inherit_group()
11931 		return PTR_ERR(leader);  in inherit_group()
11939 					    child, leader, child_ctx);  in inherit_group()
11944 		    !perf_get_aux_event(child_ctr, leader))  in inherit_group()