rcu_batches       674 include/linux/perf_event.h 	unsigned long			rcu_batches;
rcu_batches      5484 kernel/events/core.c 		event->rcu_batches = get_state_synchronize_rcu();
rcu_batches      5490 kernel/events/core.c 			cond_synchronize_rcu(event->rcu_batches);