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Subject[PATCH tip/core/rcu 6/8] rcu: Update descriptions for rcu_nocb_wake tracepoint
Date
From: "Paul E. McKenney" <paulmck@linux.ibm.com>

Signed-off-by: Paul E. McKenney <paulmck@linux.ibm.com>
---
include/trace/events/rcu.h | 35 +++++++++++++++++++++--------------
1 file changed, 21 insertions(+), 14 deletions(-)

diff --git a/include/trace/events/rcu.h b/include/trace/events/rcu.h
index afa8985..4609f2e 100644
--- a/include/trace/events/rcu.h
+++ b/include/trace/events/rcu.h
@@ -258,20 +258,27 @@ TRACE_EVENT_RCU(rcu_exp_funnel_lock,
* the number of the offloaded CPU are extracted. The third and final
* argument is a string as follows:
*
- * "WakeEmpty": Wake rcuo kthread, first CB to empty list.
- * "WakeEmptyIsDeferred": Wake rcuo kthread later, first CB to empty list.
- * "WakeOvf": Wake rcuo kthread, CB list is huge.
- * "WakeOvfIsDeferred": Wake rcuo kthread later, CB list is huge.
- * "WakeNot": Don't wake rcuo kthread.
- * "WakeNotPoll": Don't wake rcuo kthread because it is polling.
- * "DeferredWake": Carried out the "IsDeferred" wakeup.
- * "Poll": Start of new polling cycle for rcu_nocb_poll.
- * "Sleep": Sleep waiting for GP for !rcu_nocb_poll.
- * "CBSleep": Sleep waiting for CBs for !rcu_nocb_poll.
- * "WokeEmpty": rcuo kthread woke to find empty list.
- * "WokeNonEmpty": rcuo kthread woke to find non-empty list.
- * "WaitQueue": Enqueue partially done, timed wait for it to complete.
- * "WokeQueue": Partial enqueue now complete.
+ * "AlreadyAwake": The to-be-awakened rcuo kthread is already awake.
+ * "Bypass": rcuo GP kthread sees non-empty ->nocb_bypass.
+ * "CBSleep": rcuo CB kthread sleeping waiting for CBs.
+ * "Check": rcuo GP kthread checking specified CPU for work.
+ * "DeferredWake": Timer expired or polled check, time to wake.
+ * "DoWake": The to-be-awakened rcuo kthread needs to be awakened.
+ * "EndSleep": Done waiting for GP for !rcu_nocb_poll.
+ * "FirstBQ": New CB to empty ->nocb_bypass (->cblist maybe non-empty).
+ * "FirstBQnoWake": FirstBQ plus rcuo kthread need not be awakened.
+ * "FirstBQwake": FirstBQ plus rcuo kthread must be awakened.
+ * "FirstQ": New CB to empty ->cblist (->nocb_bypass maybe non-empty).
+ * "NeedWaitGP": rcuo GP kthread must wait on a grace period.
+ * "Poll": Start of new polling cycle for rcu_nocb_poll.
+ * "Sleep": Sleep waiting for GP for !rcu_nocb_poll.
+ * "Timer": Deferred-wake timer expired.
+ * "WakeEmptyIsDeferred": Wake rcuo kthread later, first CB to empty list.
+ * "WakeEmpty": Wake rcuo kthread, first CB to empty list.
+ * "WakeNot": Don't wake rcuo kthread.
+ * "WakeNotPoll": Don't wake rcuo kthread because it is polling.
+ * "WakeOvfIsDeferred": Wake rcuo kthread later, CB list is huge.
+ * "WokeEmpty": rcuo CB kthread woke to find empty list.
*/
TRACE_EVENT_RCU(rcu_nocb_wake,

--
2.9.5
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