Measure keyrings

synapse/crypto/keyring.py

@@ -22,6 +22,7 @@ from synapse.util.logcontext import (
     preserve_context_over_deferred, preserve_context_over_fn, PreserveLoggingContext,
     preserve_fn
 )
+from synapse.util.metrics import Measure
 
 from twisted.internet import defer
 
@@ -115,6 +116,7 @@ class Keyring(object):
 
         @defer.inlineCallbacks
         def handle_key_deferred(verify_request):
+            with Measure(self.clock, "handle_key_deferred"):
                 server_name = verify_request.server_name
                 try:
                     _, key_id, verify_key = yield verify_request.deferred