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| author | Paul E. McKenney <paulmck@linux.vnet.ibm.com> | 2018-01-31 19:23:24 -0800 |
|---|---|---|
| committer | Paul E. McKenney <paulmck@linux.vnet.ibm.com> | 2018-02-20 16:12:27 -0800 |
| commit | 9a414201ae7ea089699a0cbd36533345ca17233b (patch) | |
| tree | 90c0c64e89136a0cc09df8cdf06eb8cffa9a6a58 /include | |
| parent | 274afd6bfa64984724963204b832cc71565a7740 (diff) | |
| download | op-kernel-dev-9a414201ae7ea089699a0cbd36533345ca17233b.zip op-kernel-dev-9a414201ae7ea089699a0cbd36533345ca17233b.tar.gz | |
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')
| -rw-r--r-- | include/trace/events/rcu.h | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/include/trace/events/rcu.h b/include/trace/events/rcu.h index 0b50fda..e56a618 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. |
