Donate to e Foundation | Murena handsets with /e/OS | Own a part of Murena! Learn more

Commit c21b8b3e authored by Paul E. McKenney's avatar Paul E. McKenney
Browse files

rcu: Update list of rcu_future_grace_period() trace events 



Reworking grace-period initiation and funnel locking added new
rcu_future_grace_period() trace events, so this commit updates the
rcu_future_grace_period() trace event's header comment accordingly.

Signed-off-by: default avatarPaul E. McKenney <paulmck@linux.vnet.ibm.com>
Tested-by: default avatarNicholas Piggin <npiggin@gmail.com>
parent a458360a

include/trace/events/rcu.h

+7 −6
Original line number Diff line number Diff line
@@ -84,20 +84,21 @@ TRACE_EVENT(rcu_grace_period, 
);



/*

 * Tracepoint for future grace-period events, including those for no-callbacks

 * CPUs.  The caller should pull the data from the rcu_node structure,

 * other than rcuname, which comes from the rcu_state structure, and event,

 * which is one of the following:

 * Tracepoint for future grace-period events.  The caller should pull

 * the data from the rcu_node structure, other than rcuname, which comes

 * from the rcu_state structure, and event, which is one of the following:

 *

 * "Startleaf": Request a nocb grace period based on leaf-node data.

 * "Startleaf": Request a grace period based on leaf-node data.

 * "Prestarted": Someone beat us to the request

 * "Startedleaf": Leaf-node start proved sufficient.

 * "Startedleafroot": Leaf-node start proved sufficient after checking root.

 * "Startedroot": Requested a nocb grace period based on root-node data.

 * "NoGPkthread": The RCU grace-period kthread has not yet started.

 * "StartWait": Start waiting for the requested grace period.

 * "ResumeWait": Resume waiting after signal.

 * "EndWait": Complete wait.

 * "Cleanup": Clean up rcu_node structure after previous GP.

 * "CleanupMore": Clean up, and another no-CB GP is needed.

 * "CleanupMore": Clean up, and another GP is needed.

 */

TRACE_EVENT(rcu_future_grace_period,