rcu: Add grace-period, quiescent-state, and call_rcu trace events

[mirror_ubuntu-bionic-kernel.git] / kernel / rcutree.h

diff --git a/kernel/rcutree.h b/kernel/rcutree.h
index 01b2ccda26fbf82880cc1d4a50bf9f2877e91bba..d11a0065321c72f147558276a2a72350298f1320 100644 (file)
--- a/kernel/rcutree.h
+++ b/kernel/rcutree.h
@@ -299,6 +299,7 @@ struct rcu_data {
        unsigned long n_rp_need_nothing;
 
        int cpu;
+       struct rcu_state *rsp;
 };
 
 /* Values for signaled field in struct rcu_state. */
@@ -417,6 +418,13 @@ extern struct rcu_state rcu_preempt_state;
 DECLARE_PER_CPU(struct rcu_data, rcu_preempt_data);
 #endif /* #ifdef CONFIG_TREE_PREEMPT_RCU */
 
+#ifdef CONFIG_RCU_BOOST
+DECLARE_PER_CPU(unsigned int, rcu_cpu_kthread_status);
+DECLARE_PER_CPU(int, rcu_cpu_kthread_cpu);
+DECLARE_PER_CPU(unsigned int, rcu_cpu_kthread_loops);
+DECLARE_PER_CPU(char, rcu_cpu_has_work);
+#endif /* #ifdef CONFIG_RCU_BOOST */
+
 #ifndef RCU_TREE_NONCORE
 
 /* Forward declarations for rcutree_plugin.h */