1 files changed, 2 insertions, 1 deletions
diff --git a/synapse/notifier.py b/synapse/notifier.py
index 3d3fcdabdb..d222644cb6 100644
--- a/synapse/notifier.py
+++ b/synapse/notifier.py
@@ -15,7 +15,7 @@
 
 from twisted.internet import defer, reactor
 
-from synapse.util.logutils import log_function
+from synapse.util.logutils import log_function, trace_function
 
 import logging
 
@@ -119,6 +119,7 @@ class Notifier(object):
                 )
 
     @defer.inlineCallbacks
+    @trace_function
     def on_new_user_event(self, users=[], rooms=[]):
         """ Used to inform listeners that something has happend
         presence/user event wise.