Opentrace device lists (#5853)

Trace device list changes.

1 files changed, 5 insertions, 1 deletions

diff --git a/synapse/handlers/devicemessage.py b/synapse/handlers/devicemessage.py
index c7d56779b8..01731cb2d0 100644
--- a/synapse/handlers/devicemessage.py
+++ b/synapse/handlers/devicemessage.py
@@ -22,6 +22,7 @@ from twisted.internet import defer
 from synapse.api.errors import SynapseError
 from synapse.logging.opentracing import (
     get_active_span_text_map,
+    log_kv,
     set_tag,
     start_active_span,
     whitelisted_homeserver,
@@ -86,7 +87,8 @@ class DeviceMessageHandler(object):
 
     @defer.inlineCallbacks
     def send_device_message(self, sender_user_id, message_type, messages):
-
+        set_tag("number_of_messages", len(messages))
+        set_tag("sender", sender_user_id)
         local_messages = {}
         remote_messages = {}
         for user_id, by_device in messages.items():
@@ -124,6 +126,7 @@ class DeviceMessageHandler(object):
                     else None,
                 }
 
+        log_kv({"local_messages": local_messages})
         stream_id = yield self.store.add_messages_to_device_inbox(
             local_messages, remote_edu_contents
         )
@@ -132,6 +135,7 @@ class DeviceMessageHandler(object):
             "to_device_key", stream_id, users=local_messages.keys()
         )
 
+        log_kv({"remote_messages": remote_messages})
         for destination in remote_messages.keys():
             # Enqueue a new federation transaction to send the new
             # device messages to each remote destination.