[Telemetry] Clean up log output a bit.

BUG=

Review URL: https://codereview.chromium.org/512943002

Cr-Commit-Position: refs/heads/master@{#292310}

tools/telemetry/telemetry/core/backends/chrome/inspector_backend.py

@@ -239,7 +239,7 @@ class InspectorBackend(inspector_websocket.InspectorWebsocket):
         import traceback
         traceback.print_exc()
     else:
-      logging.debug('Unhandled inspector message: %s', res)
+      logging.warn('Unhandled inspector message: %s', res)
 
   def _HandleError(self, elapsed_time):
     if self._IsInspectable():

tools/telemetry/telemetry/core/backends/chrome/inspector_console.py

 # Copyright 2013 The Chromium Authors. All rights reserved.
 # Use of this source code is governed by a BSD-style license that can be
 # found in the LICENSE file.
-import json
-import logging
 
 
 class InspectorConsole(object):
@@ -17,7 +15,6 @@ class InspectorConsole(object):
     self._console_enabled = False
 
   def _OnNotification(self, msg):
-    logging.debug('Notification: %s', json.dumps(msg, indent=2))
     if msg['method'] == 'Console.messageAdded':
       if msg['params']['message']['url'] == 'chrome://newtab/':
         return

tools/telemetry/telemetry/core/backends/chrome/inspector_page.py

 # Copyright 2013 The Chromium Authors. All rights reserved.
 # Use of this source code is governed by a BSD-style license that can be
 # found in the LICENSE file.
-import json
-import logging
 import sys
 import time
 
@@ -26,7 +24,6 @@ class InspectorPage(object):
     self._EnablePageNotifications(timeout=timeout)
 
   def _OnNotification(self, msg):
-    logging.debug('Notification: %s', json.dumps(msg, indent=2))
     if msg['method'] == 'Page.frameNavigated':
       url = msg['params']['frame']['url']
       if not self._navigated_frame_ids == None:

tools/telemetry/telemetry/core/backends/chrome/inspector_websocket.py

@@ -57,7 +57,8 @@ class InspectorWebsocket(object):
     self._next_request_id += 1
     data = json.dumps(req)
     self._socket.send(data)
-    logging.debug('sent [%s]', data)
+    if logging.getLogger().isEnabledFor(logging.DEBUG):
+      logging.debug('sent [%s]', json.dumps(req, indent=2, sort_keys=True))
 
   def SyncRequest(self, req, timeout=10):
     self.SendAndIgnoreResponse(req)
@@ -103,7 +104,8 @@ class InspectorWebsocket(object):
       while self._socket:
         data = self._socket.recv()
         res = json.loads(data)
-        logging.debug('got [%s]', data)
+        if logging.getLogger().isEnabledFor(logging.DEBUG):
+          logging.debug('got [%s]', json.dumps(res, indent=2, sort_keys=True))
         if 'method' in res and self._notification_handler(res):
           return None
         return res

tools/telemetry/telemetry/page/page_runner.py

@@ -512,8 +512,6 @@ def _RunPage(test, page, state, expectation, results):
     results.AddValue(skip.SkipValue(page, 'Skipped by test expectations'))
     return
 
-  logging.info('Running %s', page.url)
-
   page_state = PageState(page, test.TabForPage(page, state.browser))
 
   def ProcessError():