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authorPaul E. McKenney <paul.mckenney@linaro.org>2011-06-21 22:43:26 -0700
committerPaul E. McKenney <paulmck@linux.vnet.ibm.com>2011-09-28 21:38:19 -0700
commit385680a9487d2f85382ad6d74e2a15837e47bfd9 (patch)
tree68809ef9cdfeee43b7c08152bfdbc45d2c0d6489 /include/trace
parenteab0993c7ba5c7d9b3613d6037e0f31f0ccbe181 (diff)
rcu: Add event-trace markers to TREE_RCU kthreads
Add event-trace markers to TREE_RCU kthreads to allow including these kthread's CPU time in the utilization calculations. 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.h3
1 files changed, 3 insertions, 0 deletions
diff --git a/include/trace/events/rcu.h b/include/trace/events/rcu.h
index 508824e5a77..ac52aba00a3 100644
--- a/include/trace/events/rcu.h
+++ b/include/trace/events/rcu.h
@@ -13,6 +13,9 @@
* "Start <activity>" -- Mark the start of the specified activity,
* such as "context switch". Nesting is permitted.
* "End <activity>" -- Mark the end of the specified activity.
+ *
+ * An "@" character within "<activity>" is a comment character: Data
+ * reduction scripts will ignore the "@" and the remainder of the line.
*/
TRACE_EVENT(rcu_utilization,