aboutsummaryrefslogtreecommitdiff
path: root/include/trace
diff options
context:
space:
mode:
authorPaul E. McKenney2018-01-31 19:23:24 -0800
committerPaul E. McKenney2018-02-20 16:12:27 -0800
commit9a414201ae7ea089699a0cbd36533345ca17233b (patch)
tree90c0c64e89136a0cc09df8cdf06eb8cffa9a6a58 /include/trace
parent274afd6bfa64984724963204b832cc71565a7740 (diff)
rcu: Add more tracing of expedited grace periods
This commit adds more tracing of expedited grace periods to enable improved debugging of slowdowns. Signed-off-by: Paul E. McKenney <paulmck@linux.vnet.ibm.com>
Diffstat (limited to 'include/trace')
-rw-r--r--include/trace/events/rcu.h3
1 files changed, 3 insertions, 0 deletions
diff --git a/include/trace/events/rcu.h b/include/trace/events/rcu.h
index 0b50fda80db0..e56a618f2a59 100644
--- a/include/trace/events/rcu.h
+++ b/include/trace/events/rcu.h
@@ -179,6 +179,9 @@ TRACE_EVENT(rcu_grace_period_init,
*
* "snap": Captured snapshot of expedited grace period sequence number.
* "start": Started a real expedited grace period.
+ * "reset": Started resetting the tree
+ * "select": Started selecting the CPUs to wait on.
+ * "startwait": Started waiting on selected CPUs.
* "end": Ended a real expedited grace period.
* "endwake": Woke piggybackers up.
* "done": Someone else did the expedited grace period for us.