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authorPaul E. McKenney <paul.mckenney@linaro.org>2012-02-23 15:58:29 -0800
committerPaul E. McKenney <paulmck@linux.vnet.ibm.com>2012-04-24 20:55:19 -0700
commit2fdbb31b662787f78bb78b3e4e18f1a072058ffc (patch)
treec8dbe70ab53102acf7f802eb50c5262c82cd45aa /include/trace
parent66f75a5d028beaf67c931435fdc3e7823125730c (diff)
downloadlinux-2fdbb31b662787f78bb78b3e4e18f1a072058ffc.tar.bz2
rcu: Add RCU_FAST_NO_HZ tracing for idle exit
Traces of rcu_prep_idle events can be confusing because rcu_cleanup_after_idle() does no tracing. This commit therefore adds this tracing. Signed-off-by: Paul E. McKenney <paul.mckenney@linaro.org> Signed-off-by: Paul E. McKenney <paulmck@linux.vnet.ibm.com>
Diffstat (limited to 'include/trace')
-rw-r--r--include/trace/events/rcu.h1
1 files changed, 1 insertions, 0 deletions
diff --git a/include/trace/events/rcu.h b/include/trace/events/rcu.h
index 337099783f37..aaa55e1b8c48 100644
--- a/include/trace/events/rcu.h
+++ b/include/trace/events/rcu.h
@@ -292,6 +292,7 @@ TRACE_EVENT(rcu_dyntick,
* "More callbacks": Still more callbacks, try again to clear them out.
* "Callbacks drained": All callbacks processed, off to dyntick idle!
* "Timer": Timer fired to cause CPU to continue processing callbacks.
+ * "Cleanup after idle": Idle exited, timer canceled.
*/
TRACE_EVENT(rcu_prep_idle,