diff options
| author |   Paul E. McKenney <paulmck@linux.vnet.ibm.com> | 2013-08-15 13:23:23 -0700 |
|---|---|---|
| committer | Paul E. McKenney <paulmck@linux.vnet.ibm.com> | 2013-09-23 09:18:16 -0700 |
| commit | 69a79bb12a81024d718e73c52e886907a3777b34 (patch) | |
| tree | 0beef5d898f1373dbc5b4834d24d676e73ea1da2 /include/trace/events | |
| parent | rcu: Distinguish between NOCB and non-NOCB rcu_callback trace events (diff) | |
| download | linux-dev-69a79bb12a81024d718e73c52e886907a3777b34.tar.xz linux-dev-69a79bb12a81024d718e73c52e886907a3777b34.zip | |
rcu: Track rcu_nocb_kthread()'s sleeping and awakening
This commit adds event traces to track all of rcu_nocb_kthread()'s
blocking and awakening.
Signed-off-by: Paul E. McKenney <paulmck@linux.vnet.ibm.com>
Diffstat (limited to 'include/trace/events')
| -rw-r--r-- | include/trace/events/rcu.h | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/include/trace/events/rcu.h b/include/trace/events/rcu.h index 4301cd9e3ee5..a087d82ed431 100644 --- a/include/trace/events/rcu.h +++ b/include/trace/events/rcu.h @@ -183,8 +183,12 @@ TRACE_EVENT(rcu_grace_period_init, * "WakeOvf": Wake rcuo kthread, CB list is huge. * "WakeNot": Don't wake rcuo kthread. * "WakeNotPoll": Don't wake rcuo kthread because it is polling. + * "Poll": Start of new polling cycle for rcu_nocb_poll. + * "Sleep": 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. */ TRACE_EVENT(rcu_nocb_wake, |