1 files changed, 2 insertions, 0 deletions
diff --git a/synapse/handlers/relations.py b/synapse/handlers/relations.py
index 8f797e3ae9..72d25df8c8 100644
--- a/synapse/handlers/relations.py
+++ b/synapse/handlers/relations.py
@@ -19,6 +19,7 @@ import attr
 from synapse.api.constants import RelationTypes
 from synapse.api.errors import SynapseError
 from synapse.events import EventBase, relation_from_event
+from synapse.logging.opentracing import trace
 from synapse.storage.databases.main.relations import _RelatedEvent
 from synapse.types import JsonDict, Requester, StreamToken, UserID
 from synapse.visibility import filter_events_for_client
@@ -361,6 +362,7 @@ class RelationsHandler:
 
         return results
 
+    @trace
     async def get_bundled_aggregations(
         self, events: Iterable[EventBase], user_id: str
     ) -> Dict[str, BundledAggregations]: