Add encode time to WebRTC telemetry tests, remove some noisy metrics.

tools/perf/metrics/webrtc_stats.py

 # Copyright 2014 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 re
 
 from telemetry.internal.util import camel_case
 from telemetry.value import list_of_scalar_values
 
 from metrics import Metric
 
 
 INTERESTING_METRICS = {
-    'packetsReceived': {
-        'units': 'packets',
-        'description': 'Packets received by the peer connection',
-    },
-    'packetsSent': {
-        'units': 'packets',
-        'description': 'Packets sent by the peer connection',
-    },
     'googDecodeMs': {
         'units': 'ms',
         'description': 'Time spent decoding.',
     },
     'googMaxDecodeMs': {
         'units': 'ms',
         'description': 'Maximum time spent decoding one frame.',
     },
+    'googAvgEncodeMs': {
+        'units': 'ms',
+        'description': 'Average time spent encoding one frame.'
+    },
     'googRtt': {
         'units': 'ms',
         'description': 'Measured round-trip time.',
     },
     'googJitterReceived': {
         'units': 'ms',
         'description': 'Receive-side jitter in milliseconds.',
     },
     'googCaptureJitterMs': {
         'units': 'ms',
@@ skipping 22 matching lines @@
     },
     'googAvailableReceiveBandwidth': {
         'units': 'bit/s',
         'description': 'How much receive bandwidth we estimate we have.'
     },
     'googTargetEncBitrate': {
         'units': 'bit/s',
         'description': ('The target encoding bitrate we estimate is good to '
                         'aim for given our bandwidth estimates.')
     },
-    'googTransmitBitrate': {
-        'units': 'bit/s',
-        'description': 'The actual transmit bitrate.'
-    },
 }
 
 
 def GetReportKind(report):
   if 'audioInputLevel' in report or 'audioOutputLevel' in report:
     return 'audio'
   if 'googFrameRateSent' in report or 'googFrameRateReceived' in report:
     return 'video'
   if 'googAvailableSendBandwidth' in report:
     return 'bwe'
@@ skipping 54 matching lines @@
 
       for stat_name, values in time_series.iteritems():
         stat_name_underscored = camel_case.ToUnderscore(stat_name)
         trace_name = 'peer_connection_%d_%s' % (i, stat_name_underscored)
         general_name = StripAudioVideoBweDistinction(stat_name)
         results.AddValue(list_of_scalar_values.ListOfScalarValues(
             results.current_page, trace_name,
             INTERESTING_METRICS[general_name]['units'], values,
             description=INTERESTING_METRICS[general_name]['description'],
             important=False))