asyncio, Tulip issue 172: only log selector timing in debug mode

vstinner · vstinner · commit 1580fe3fcebc · 2014-06-23T00:31:08.000+02:00
diff --git a/Lib/asyncio/base_events.py b/Lib/asyncio/base_events.py
@@ -834,8 +834,7 @@ def _run_once(self):
             when = self._scheduled[0]._when
             timeout = max(0, when - self.time())
 
-        # TODO: Instrumentation only in debug mode?
-        if logger.isEnabledFor(logging.INFO):
+        if self._debug:
             t0 = self.time()
             event_list = self._selector.select(timeout)
             dt = self.time() - t0
diff --git a/Lib/test/test_asyncio/test_base_events.py b/Lib/test/test_asyncio/test_base_events.py
@@ -247,6 +247,9 @@ def slow_select(timeout):
             time.sleep(1.0)
             return []
 
+        # logging needs debug flag
+        self.loop.set_debug(True)
+
         # Log to INFO level if timeout > 1.0 sec.
         self.loop._selector.select = slow_select
         self.loop._process_events = mock.Mock()
