519 				WARN_ON_ONCE(cpuctx->cgrp);  in perf_cgroup_switch()
1219 	WARN_ON_ONCE(event->attach_state & PERF_ATTACH_CONTEXT);  in list_add_event()
1384 	WARN_ON_ONCE(group_leader->ctx != event->ctx);  in perf_group_attach()
1408 	WARN_ON_ONCE(event->ctx != ctx);  in list_del_event()
1493 		WARN_ON_ONCE(sibling->ctx != event->ctx);  in perf_group_detach()
1563 	WARN_ON_ONCE(event->ctx != ctx);  in event_sched_out()
2706 	if (WARN_ON_ONCE(ctx != cpuctx->task_ctx))  in task_ctx_sched_out()
3310 	WARN_ON_ONCE((event->attach_state & PERF_ATTACH_TASK) &&  in perf_event_read_local()
3314 	WARN_ON_ONCE(!(event->attach_state & PERF_ATTACH_TASK) &&  in perf_event_read_local()
3321 	WARN_ON_ONCE(event->attr.inherit);  in perf_event_read_local()
3327 	WARN_ON_ONCE(event->pmu->count);  in perf_event_read_local()
3819 	WARN_ON_ONCE(ctx->parent_ctx);  in put_event()
4050 	WARN_ON_ONCE(event->ctx->parent_ctx);  in __perf_read()
4114 	WARN_ON_ONCE(event->ctx->parent_ctx);  in perf_event_for_each_child()
4532 		WARN_ON_ONCE(event->rcu_pending);  in ring_buffer_attach()
4600 	WARN_ON_ONCE(!list_empty(&rb->event_list));  in ring_buffer_put()
4826 	WARN_ON_ONCE(event->ctx->parent_ctx);  in perf_mmap()
6698 	if (WARN_ON_ONCE(!regs))  in ___perf_sw_event()
6739 	if (WARN_ON_ONCE(!head))  in perf_swevent_add()
8485 		WARN_ON_ONCE(move_group);  in SYSCALL_DEFINE5()
8491 	WARN_ON_ONCE(ctx->parent_ctx);  in SYSCALL_DEFINE5()
8658 	WARN_ON_ONCE(ctx->parent_ctx);  in perf_event_create_kernel_counter()
8769 	WARN_ON_ONCE(parent_event->ctx->parent_ctx);  in sync_child_event()
8929 	if (WARN_ON_ONCE(!parent))  in perf_free_event()
8988 		WARN_ON_ONCE(task->perf_event_ctxp[ctxn]);  in perf_event_delayed_put()
9097 	WARN_ON_ONCE(parent_event->ctx->parent_ctx);  in inherit_event()