588 				      struct perf_event *group_leader)  in perf_cgroup_connect()  argument
613 	if (group_leader && group_leader->cgrp != cgrp) {  in perf_cgroup_connect()
704 				      struct perf_event *group_leader)  in perf_cgroup_connect()  argument
1173 	    event->group_leader->state < PERF_EVENT_STATE_INACTIVE)  in update_event_times()
1239 	if (event->group_leader == event) {  in list_add_event()
1289 		nr += event->group_leader->nr_siblings;  in perf_event__read_size()
1358 	struct perf_event *group_leader = event->group_leader, *pos;  in perf_group_attach()  local
1368 	if (group_leader == event)  in perf_group_attach()
1371 	WARN_ON_ONCE(group_leader->ctx != event->ctx);  in perf_group_attach()
1373 	if (group_leader->group_flags & PERF_GROUP_SOFTWARE &&  in perf_group_attach()
1375 		group_leader->group_flags &= ~PERF_GROUP_SOFTWARE;  in perf_group_attach()
1377 	list_add_tail(&event->group_entry, &group_leader->sibling_list);  in perf_group_attach()
1378 	group_leader->nr_siblings++;  in perf_group_attach()
1380 	perf_event__header_size(group_leader);  in perf_group_attach()
1382 	list_for_each_entry(pos, &group_leader->sibling_list, group_entry)  in perf_group_attach()
1424 	if (event->group_leader == event)  in list_del_event()
1458 	if (event->group_leader != event) {  in perf_group_detach()
1460 		event->group_leader->nr_siblings--;  in perf_group_detach()
1475 		sibling->group_leader = sibling;  in perf_group_detach()
1484 	perf_event__header_size(event->group_leader);  in perf_group_detach()
1486 	list_for_each_entry(tmp, &event->group_leader->sibling_list, group_entry)  in perf_group_detach()
1735 		if (event == event->group_leader)  in __perf_event_disable()
2200 	struct perf_event *leader = event->group_leader;  in __perf_event_enable()
3792 	struct perf_event *leader = event->group_leader, *sub;  in perf_event_read_group()
3972 	event = event->group_leader;  in perf_event_for_each()
5094 	struct perf_event *leader = event->group_leader, *sub;  in perf_output_read_group()
7422 	if (event->group_leader != event) {  in perf_try_init_event()
7427 		ctx = perf_event_ctx_lock_nested(event->group_leader,  in perf_try_init_event()
7436 		perf_event_ctx_unlock(event->group_leader, ctx);  in perf_try_init_event()
7519 		 struct perf_event *group_leader,  in perf_event_alloc()  argument
7542 	if (!group_leader)  in perf_event_alloc()
7543 		group_leader = event;  in perf_event_alloc()
7564 	event->group_leader	= group_leader;  in perf_event_alloc()
7619 		err = perf_cgroup_connect(cgroup_fd, event, attr, group_leader);  in perf_event_alloc()
7915 	struct perf_event *group_leader = NULL, *output_event = NULL;  in SYSCALL_DEFINE5()  local
7970 		group_leader = group.file->private_data;  in SYSCALL_DEFINE5()
7972 			output_event = group_leader;  in SYSCALL_DEFINE5()
7974 			group_leader = NULL;  in SYSCALL_DEFINE5()
7985 	if (task && group_leader &&  in SYSCALL_DEFINE5()
7986 	    group_leader->attr.inherit != attr.inherit) {  in SYSCALL_DEFINE5()
7996 	event = perf_event_alloc(&attr, cpu, task, group_leader, NULL,  in SYSCALL_DEFINE5()
8022 	if (group_leader &&  in SYSCALL_DEFINE5()
8023 	    (is_software_event(event) != is_software_event(group_leader))) {  in SYSCALL_DEFINE5()
8033 			pmu = group_leader->pmu;  in SYSCALL_DEFINE5()
8034 		} else if (is_software_event(group_leader) &&  in SYSCALL_DEFINE5()
8035 			   (group_leader->group_flags & PERF_GROUP_SOFTWARE)) {  in SYSCALL_DEFINE5()
8054 	if ((pmu->capabilities & PERF_PMU_CAP_EXCLUSIVE) && group_leader) {  in SYSCALL_DEFINE5()
8067 	if (group_leader) {  in SYSCALL_DEFINE5()
8074 		if (group_leader->group_leader != group_leader)  in SYSCALL_DEFINE5()
8078 		if (group_leader->clock != event->clock)  in SYSCALL_DEFINE5()
8090 			if (group_leader->ctx->task != ctx->task)  in SYSCALL_DEFINE5()
8098 			if (group_leader->cpu != event->cpu)  in SYSCALL_DEFINE5()
8101 			if (group_leader->ctx != ctx)  in SYSCALL_DEFINE5()
8126 		gctx = group_leader->ctx;  in SYSCALL_DEFINE5()
8134 		perf_remove_from_context(group_leader, false);  in SYSCALL_DEFINE5()
8136 		list_for_each_entry(sibling, &group_leader->sibling_list,  in SYSCALL_DEFINE5()
8164 		list_for_each_entry(sibling, &group_leader->sibling_list,  in SYSCALL_DEFINE5()
8176 		perf_event__state_init(group_leader);  in SYSCALL_DEFINE5()
8177 		perf_install_in_context(ctx, group_leader, group_leader->cpu);  in SYSCALL_DEFINE5()
8340 		if (event->group_leader == event)  in perf_pmu_migrate_context()
8612 	      struct perf_event *group_leader,  in inherit_event()  argument
8631 					   group_leader, parent_event,  in inherit_event()