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-rw-r--r--synapse/federation/sender/__init__.py11
-rw-r--r--synapse/state/__init__.py24
-rw-r--r--synapse/storage/roommember.py21
-rw-r--r--synapse/util/metrics.py6
4 files changed, 43 insertions, 19 deletions
diff --git a/synapse/federation/sender/__init__.py b/synapse/federation/sender/__init__.py
index d46f4aaeb1..2b2ee8612a 100644
--- a/synapse/federation/sender/__init__.py
+++ b/synapse/federation/sender/__init__.py
@@ -38,7 +38,7 @@ from synapse.metrics import (
     events_processed_counter,
 )
 from synapse.metrics.background_process_metrics import run_as_background_process
-from synapse.util.metrics import measure_func
+from synapse.util.metrics import Measure, measure_func
 
 logger = logging.getLogger(__name__)
 
@@ -183,8 +183,8 @@ class FederationSender(object):
                         # Otherwise if the last member on a server in a room is
                         # banned then it won't receive the event because it won't
                         # be in the room after the ban.
-                        destinations = yield self.state.get_current_hosts_in_room(
-                            event.room_id, latest_event_ids=event.prev_event_ids()
+                        destinations = yield self.state.get_hosts_in_room_at_events(
+                            event.room_id, event_ids=event.prev_event_ids()
                         )
                     except Exception:
                         logger.exception(
@@ -207,8 +207,9 @@ class FederationSender(object):
 
                 @defer.inlineCallbacks
                 def handle_room_events(events):
-                    for event in events:
-                        yield handle_event(event)
+                    with Measure(self.clock, "handle_room_events"):
+                        for event in events:
+                            yield handle_event(event)
 
                 events_by_room = {}
                 for event in events:
diff --git a/synapse/state/__init__.py b/synapse/state/__init__.py
index 2b0f4c79ee..dc9f5a9008 100644
--- a/synapse/state/__init__.py
+++ b/synapse/state/__init__.py
@@ -33,7 +33,7 @@ from synapse.state import v1, v2
 from synapse.util.async_helpers import Linearizer
 from synapse.util.caches import get_cache_factor_for
 from synapse.util.caches.expiringcache import ExpiringCache
-from synapse.util.metrics import Measure
+from synapse.util.metrics import Measure, measure_func
 
 logger = logging.getLogger(__name__)
 
@@ -191,11 +191,22 @@ class StateHandler(object):
         return joined_users
 
     @defer.inlineCallbacks
-    def get_current_hosts_in_room(self, room_id, latest_event_ids=None):
-        if not latest_event_ids:
-            latest_event_ids = yield self.store.get_latest_event_ids_in_room(room_id)
-        logger.debug("calling resolve_state_groups from get_current_hosts_in_room")
-        entry = yield self.resolve_state_groups_for_events(room_id, latest_event_ids)
+    def get_current_hosts_in_room(self, room_id):
+        event_ids = yield self.store.get_latest_event_ids_in_room(room_id)
+        return (yield self.get_hosts_in_room_at_events(room_id, event_ids))
+
+    @defer.inlineCallbacks
+    def get_hosts_in_room_at_events(self, room_id, event_ids):
+        """Get the hosts that were in a room at the given event ids
+
+        Args:
+            room_id (str):
+            event_ids (list[str]):
+
+        Returns:
+            Deferred[list[str]]: the hosts in the room at the given events
+        """
+        entry = yield self.resolve_state_groups_for_events(room_id, event_ids)
         joined_hosts = yield self.store.get_joined_hosts(room_id, entry)
         return joined_hosts
 
@@ -344,6 +355,7 @@ class StateHandler(object):
 
         return context
 
+    @measure_func()
     @defer.inlineCallbacks
     def resolve_state_groups_for_events(self, room_id, event_ids):
         """ Given a list of event_ids this method fetches the state at each
diff --git a/synapse/storage/roommember.py b/synapse/storage/roommember.py
index 4df8ebdacd..1550d827ba 100644
--- a/synapse/storage/roommember.py
+++ b/synapse/storage/roommember.py
@@ -33,6 +33,7 @@ from synapse.types import get_domain_from_id
 from synapse.util.async_helpers import Linearizer
 from synapse.util.caches import intern_string
 from synapse.util.caches.descriptors import cached, cachedInlineCallbacks
+from synapse.util.metrics import Measure
 from synapse.util.stringutils import to_ascii
 
 logger = logging.getLogger(__name__)
@@ -483,6 +484,7 @@ class RoomMemberWorkerStore(EventsWorkerStore):
         )
         return result
 
+    @defer.inlineCallbacks
     def get_joined_users_from_state(self, room_id, state_entry):
         state_group = state_entry.state_group
         if not state_group:
@@ -492,9 +494,12 @@ class RoomMemberWorkerStore(EventsWorkerStore):
             # To do this we set the state_group to a new object as object() != object()
             state_group = object()
 
-        return self._get_joined_users_from_context(
-            room_id, state_group, state_entry.state, context=state_entry
-        )
+        with Measure(self._clock, "get_joined_users_from_state"):
+            return (
+                yield self._get_joined_users_from_context(
+                    room_id, state_group, state_entry.state, context=state_entry
+                )
+            )
 
     @cachedInlineCallbacks(
         num_args=2, cache_context=True, iterable=True, max_entries=100000
@@ -669,6 +674,7 @@ class RoomMemberWorkerStore(EventsWorkerStore):
 
         return True
 
+    @defer.inlineCallbacks
     def get_joined_hosts(self, room_id, state_entry):
         state_group = state_entry.state_group
         if not state_group:
@@ -678,9 +684,12 @@ class RoomMemberWorkerStore(EventsWorkerStore):
             # To do this we set the state_group to a new object as object() != object()
             state_group = object()
 
-        return self._get_joined_hosts(
-            room_id, state_group, state_entry.state, state_entry=state_entry
-        )
+        with Measure(self._clock, "get_joined_hosts"):
+            return (
+                yield self._get_joined_hosts(
+                    room_id, state_group, state_entry.state, state_entry=state_entry
+                )
+            )
 
     @cachedInlineCallbacks(num_args=2, max_entries=10000, iterable=True)
     # @defer.inlineCallbacks
diff --git a/synapse/util/metrics.py b/synapse/util/metrics.py
index 0910930c21..4b1bcdf23c 100644
--- a/synapse/util/metrics.py
+++ b/synapse/util/metrics.py
@@ -60,12 +60,14 @@ in_flight = InFlightGauge(
 )
 
 
-def measure_func(name):
+def measure_func(name=None):
     def wrapper(func):
+        block_name = func.__name__ if name is None else name
+
         @wraps(func)
         @defer.inlineCallbacks
         def measured_func(self, *args, **kwargs):
-            with Measure(self.clock, name):
+            with Measure(self.clock, block_name):
                 r = yield func(self, *args, **kwargs)
             return r