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

diff --git a/Lib/asyncio/base_events.py b/Lib/asyncio/base_events.py
index 0975bcb6fc3d2caf068eddd85b6381205289e677..2f7f1979d3e886757b745ed4afcec26cba716da7 100644 (file)
--- a/Lib/asyncio/base_events.py
+++ b/Lib/asyncio/base_events.py
@@ -834,8 +834,7 @@ class BaseEventLoop(events.AbstractEventLoop):
             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
index b238f4ea01f62afa9d1fcf4543d81177a7afc774..9fa3e6d25c5593ad478d0abbebfb3e766607a098 100644 (file)
--- a/Lib/test/test_asyncio/test_base_events.py
+++ b/Lib/test/test_asyncio/test_base_events.py
@@ -247,6 +247,9 @@ class BaseEventLoopTests(test_utils.TestCase):
             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()