diff --git a/synapse/handlers/sync.py b/synapse/handlers/sync.py
index ee607e6e65..7b356ba7e5 100644
--- a/synapse/handlers/sync.py
+++ b/synapse/handlers/sync.py
@@ -24,6 +24,7 @@ from synapse.api.constants import AccountDataTypes, EventTypes, Membership
from synapse.api.filtering import FilterCollection
from synapse.events import EventBase
from synapse.logging.context import current_context
+from synapse.logging.opentracing import SynapseTags, log_kv, set_tag, start_active_span
from synapse.push.clientformat import format_push_rules_for_user
from synapse.storage.roommember import MemberSummary
from synapse.storage.state import StateFilter
@@ -340,7 +341,14 @@ class SyncHandler:
full_state: bool = False,
) -> SyncResult:
"""Get the sync for client needed to match what the server has now."""
- return await self.generate_sync_result(sync_config, since_token, full_state)
+ with start_active_span("current_sync_for_user"):
+ log_kv({"since_token": since_token})
+ sync_result = await self.generate_sync_result(
+ sync_config, since_token, full_state
+ )
+
+ set_tag(SynapseTags.SYNC_RESULT, bool(sync_result))
+ return sync_result
async def push_rules_for_user(self, user: UserID) -> JsonDict:
user_id = user.to_string()
@@ -964,6 +972,7 @@ class SyncHandler:
# to query up to a given point.
# Always use the `now_token` in `SyncResultBuilder`
now_token = self.event_sources.get_current_token()
+ log_kv({"now_token": now_token})
logger.debug(
"Calculating sync response for %r between %s and %s",
@@ -1225,6 +1234,13 @@ class SyncHandler:
user_id, device_id, since_stream_id, now_token.to_device_key
)
+ for message in messages:
+ # We pop here as we shouldn't be sending the message ID down
+ # `/sync`
+ message_id = message.pop("message_id", None)
+ if message_id:
+ set_tag(SynapseTags.TO_DEVICE_MESSAGE_ID, message_id)
+
logger.debug(
"Returning %d to-device messages between %d and %d (current token: %d)",
len(messages),
|