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authorErik Johnston <erik@matrix.org>2016-08-10 10:56:38 +0100
committerErik Johnston <erik@matrix.org>2016-08-10 10:56:38 +0100
commit3bc9629be5510a1f90af97568eb871f0ae22e5f8 (patch)
tree507e1264b7cef7f601fb037f49696a5c2f79b5ab /synapse
parentMerge pull request #996 from matrix-org/erikj/tls_error (diff)
downloadsynapse-3bc9629be5510a1f90af97568eb871f0ae22e5f8.tar.xz
Measure federation send transaction resources
Diffstat (limited to '')
-rw-r--r--synapse/federation/transaction_queue.py12
-rw-r--r--synapse/util/metrics.py14
2 files changed, 21 insertions, 5 deletions
diff --git a/synapse/federation/transaction_queue.py b/synapse/federation/transaction_queue.py
index 5787f854d4..bbeec61f7a 100644
--- a/synapse/federation/transaction_queue.py
+++ b/synapse/federation/transaction_queue.py
@@ -26,6 +26,7 @@ from synapse.util.logcontext import PreserveLoggingContext
 from synapse.util.retryutils import (
     get_retry_limiter, NotRetryingDestination,
 )
+from synapse.util.metrics import measure_func
 import synapse.metrics
 
 import logging
@@ -51,7 +52,7 @@ class TransactionQueue(object):
 
         self.transport_layer = transport_layer
 
-        self._clock = hs.get_clock()
+        self.clock = hs.get_clock()
 
         # Is a mapping from destinations -> deferreds. Used to keep track
         # of which destinations have transactions in flight and when they are
@@ -82,7 +83,7 @@ class TransactionQueue(object):
         self.pending_failures_by_dest = {}
 
         # HACK to get unique tx id
-        self._next_txn_id = int(self._clock.time_msec())
+        self._next_txn_id = int(self.clock.time_msec())
 
     def can_send_to(self, destination):
         """Can we send messages to the given server?
@@ -197,6 +198,7 @@ class TransactionQueue(object):
 
         yield deferred
 
+    @measure_func("attempt_new_transaction")
     @defer.inlineCallbacks
     @log_function
     def _attempt_new_transaction(self, destination):
@@ -246,7 +248,7 @@ class TransactionQueue(object):
 
             limiter = yield get_retry_limiter(
                 destination,
-                self._clock,
+                self.clock,
                 self.store,
             )
 
@@ -262,7 +264,7 @@ class TransactionQueue(object):
             logger.debug("TX [%s] Persisting transaction...", destination)
 
             transaction = Transaction.create_new(
-                origin_server_ts=int(self._clock.time_msec()),
+                origin_server_ts=int(self.clock.time_msec()),
                 transaction_id=txn_id,
                 origin=self.server_name,
                 destination=destination,
@@ -293,7 +295,7 @@ class TransactionQueue(object):
                 # keys work
                 def json_data_cb():
                     data = transaction.get_dict()
-                    now = int(self._clock.time_msec())
+                    now = int(self.clock.time_msec())
                     if "pdus" in data:
                         for p in data["pdus"]:
                             if "age_ts" in p:
diff --git a/synapse/util/metrics.py b/synapse/util/metrics.py
index 0b944d3e63..4d7fee8868 100644
--- a/synapse/util/metrics.py
+++ b/synapse/util/metrics.py
@@ -13,10 +13,12 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
+from twisted.internet import defer
 
 from synapse.util.logcontext import LoggingContext
 import synapse.metrics
 
+from functools import wraps
 import logging
 
 
@@ -47,6 +49,18 @@ block_db_txn_duration = metrics.register_distribution(
 )
 
 
+def measure_func(name):
+    def wrapper(func):
+        @wraps(func)
+        @defer.inlineCallbacks
+        def measured_func(self, *args, **kwargs):
+            with Measure(self.clock, name):
+                r = yield func(self, *args, **kwargs)
+            defer.returnValue(r)
+        return measured_func
+    return wrapper
+
+
 class Measure(object):
     __slots__ = [
         "clock", "name", "start_context", "start", "new_context", "ru_utime",