Add presence metrics

1 files changed, 6 insertions, 0 deletions

diff --git a/synapse/util/wheel_timer.py b/synapse/util/wheel_timer.py

index 2c9f957616..7412fc57a4 100644
--- a/synapse/util/wheel_timer.py
+++ b/synapse/util/wheel_timer.py
@@ -89,3 +89,9 @@ class WheelTimer(object):
             ret.extend(self.entries.pop(0).queue)
 
         return ret
+
+    def __len__(self):
+        l = 0
+        for entry in self.entries:
+            l += len(entry.queue)
+        return l