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| author | Paul E. McKenney <paulmck@linux.vnet.ibm.com> | 2016-01-29 04:30:06 (GMT) |
|---|---|---|
| committer | Paul E. McKenney <paulmck@linux.vnet.ibm.com> | 2016-03-31 20:34:06 (GMT) |
| commit | bea2de44ae647698dc848a671fdee6e53c192423 (patch) | |
| tree | afca2086f2942e48274e366bc3857d7e22b81642 /kernel/rcu/tree_plugin.h | |
| parent | e087816db9423fdc49302d3cd7ec01e487477a71 (diff) | |
| download | linux-bea2de44ae647698dc848a671fdee6e53c192423.tar.xz | |
rcu: Add funnel-locking tracing for expedited grace periods
Signed-off-by: Paul E. McKenney <paulmck@linux.vnet.ibm.com>
Diffstat (limited to 'kernel/rcu/tree_plugin.h')
| -rw-r--r-- | kernel/rcu/tree_plugin.h | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/kernel/rcu/tree_plugin.h b/kernel/rcu/tree_plugin.h index a2ac262..cd2dae4 100644 --- a/kernel/rcu/tree_plugin.h +++ b/kernel/rcu/tree_plugin.h @@ -767,6 +767,9 @@ void synchronize_rcu_expedited(void) /* Clean up and exit. */ rcu_exp_gp_seq_end(rsp); mutex_unlock(&rnp_unlock->exp_funnel_mutex); + trace_rcu_exp_funnel_lock(rsp->name, rnp_unlock->level, + rnp_unlock->grplo, rnp_unlock->grphi, + TPS("rel")); } EXPORT_SYMBOL_GPL(synchronize_rcu_expedited); |