SurfaceStats / Telemetry: calculate FPS in different frame buckets.

build/android/surface_stats.py

 #!/usr/bin/env python
 #
 # Copyright (c) 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.
 
 """Command line tool for continuously printing Android graphics surface
 statistics on the console.
 """
 
 import collections
 import optparse
 import sys
 import time
 
 from pylib import android_commands, surface_stats_collector
 from pylib.utils import run_tests_helper
 
 
 _FIELD_FORMAT = {
   'jank_count (janks)': '%d',
   'max_frame_delay (vsyncs)': '%d',
-  'avg_surface_fps (fps)': '%.2f',
   'frame_lengths (vsyncs)': '%.3f',
   'refresh_period (seconds)': '%.6f',
+  'avg_surface_fps (fps)': '%.2f',
+  'avg_surface_fps_0.9 (fps)': '%.2f',

[Sami, 2013/07/03 15:11:50]

I think we should just hide the windowed results in this tool, because they
don't really make any sense with continuous sampling.

+  'avg_surface_fps_0.5 (fps)': '%.2f',
 }
 
 
 def _MergeResults(results, fields):
   merged_results = collections.defaultdict(list)
   for result in results:
     if ((fields != ['all'] and not result.name in fields) or
         result.value is None):
       continue
     name = '%s (%s)' % (result.name, result.unit)
@@ skipping 41 matching lines @@
                     '--verbose',
                     dest='verbose_count',
                     default=0,
                     action='count',
                     help='Verbose level (multiple times for more)')
   parser.add_option('--device',
                     help='Serial number of device we should use.')
   parser.add_option('-f',
                     '--fields',
                     dest='fields',
-                    default='jank_count,max_frame_delay,avg_surface_fps,'
-                        'frame_lengths',
+                    default='jank_count,max_frame_delay,'
+                        'frame_lengths,avg_surface_fps,avg_surface_fps_0_9,'
+                        'avg_surface_fps_0_5,',
                     help='Comma separated list of fields to display or "all".')
   parser.add_option('-d',
                     '--delay',
                     dest='delay',
                     default=1,
                     type='float',
                     help='Time in seconds to sleep between updates.')
 
   options, args = parser.parse_args(argv)
   run_tests_helper.SetLogLevel(options.verbose_count)
@@ skipping 24 matching lines @@
       _PrintResults(results)
       row_count += 1
   except KeyboardInterrupt:
     sys.exit(0)
   finally:
     collector.Stop()
 
 
 if __name__ == '__main__':
   main(sys.argv)