Measure StateHandler._resolve_events

synapse/state.py

@@ -18,6 +18,7 @@ from twisted.internet import defer
 
 from synapse.util.logutils import log_function
 from synapse.util.caches.expiringcache import ExpiringCache
+from synapse.util.metrics import Measure
 from synapse.api.constants import EventTypes
 from synapse.api.errors import AuthError
 from synapse.api.auth import AuthEventTypes
@@ -263,6 +264,7 @@ class StateHandler(object):
         from (type, state_key) to event. prev_states is a list of event_ids.
         :rtype: (dict[(str, str), synapse.events.FrozenEvent], list[str])
         """
+        with Measure(self.clock, "state._resolve_events"):
             state = {}
             for st in state_sets:
                 for e in st: