1 files changed, 4 insertions, 0 deletions
diff --git a/synapse/storage/util/partial_state_events_tracker.py b/synapse/storage/util/partial_state_events_tracker.py
index 211437cfaa..b4bf49dace 100644
--- a/synapse/storage/util/partial_state_events_tracker.py
+++ b/synapse/storage/util/partial_state_events_tracker.py
@@ -20,6 +20,7 @@ from twisted.internet import defer
 from twisted.internet.defer import Deferred
 
 from synapse.logging.context import PreserveLoggingContext, make_deferred_yieldable
+from synapse.logging.opentracing import trace_with_opname
 from synapse.storage.databases.main.events_worker import EventsWorkerStore
 from synapse.storage.databases.main.room import RoomWorkerStore
 from synapse.util import unwrapFirstError
@@ -58,6 +59,7 @@ class PartialStateEventsTracker:
             for o in observers:
                 o.callback(None)
 
+    @trace_with_opname("PartialStateEventsTracker.await_full_state")
     async def await_full_state(self, event_ids: Collection[str]) -> None:
         """Wait for all the given events to have full state.
 
@@ -151,6 +153,7 @@ class PartialCurrentStateTracker:
             for o in observers:
                 o.callback(None)
 
+    @trace_with_opname("PartialCurrentStateTracker.await_full_state")
     async def await_full_state(self, room_id: str) -> None:
         # We add the deferred immediately so that the DB call to check for
         # partial state doesn't race when we unpartial the room.
@@ -166,6 +169,7 @@ class PartialCurrentStateTracker:
             logger.info(
                 "Awaiting un-partial-stating of room %s",
                 room_id,
+                stack_info=True,
             )
 
             await make_deferred_yieldable(d)