enable
filter
rcu_barrier/
rcu_batch_end/
rcu_batch_start/
rcu_callback/
rcu_exp_funnel_lock/
rcu_exp_grace_period/
rcu_fqs/
rcu_future_grace_period/
rcu_grace_period/
rcu_grace_period_init/
rcu_invoke_callback/
rcu_invoke_kfree_bulk_callback/
rcu_invoke_kvfree_callback/
rcu_nocb_wake/
rcu_preempt_task/
rcu_quiescent_state_report/
rcu_segcb_stats/
rcu_sr_normal/
rcu_stall_warning/
rcu_torture_read/
rcu_unlock_preempted_task/
rcu_utilization/
rcu_watching/