tools/perf/benchmarks/blink_perf.py

   1 # Copyright 2013 The Chromium Authors. All rights reserved.
   2 # Use of this source code is governed by a BSD-style license that can be
   3 # found in the LICENSE file.
   4
   5 import os
   6
   7 from telemetry import test
   8 from telemetry.core import util
   9 from telemetry.page import page_measurement
  10 from telemetry.page import page_set
  11
  12
  13 def _CreatePageSetFromPath(path):
  14   assert os.path.exists(path)
  15
  16   page_urls = []
  17   serving_dirs = set()
  18
  19   def _AddPage(path):
  20     if not path.endswith('.html'):
  21       return
  22     if '../' in open(path, 'r').read():
  23       # If the page looks like it references its parent dir, include it.
  24       serving_dirs.add(os.path.dirname(os.path.dirname(path)))
  25     page_urls.append('file://' + path.replace('\\', '/'))
  26
  27   def _AddDir(dir_path, skipped):
  28     for candidate_path in os.listdir(dir_path):
  29       if candidate_path == 'resources':
  30         continue
  31       candidate_path = os.path.join(dir_path, candidate_path)
  32       if candidate_path.startswith(tuple([os.path.join(path, s)
  33                                           for s in skipped])):
  34         continue
  35       if os.path.isdir(candidate_path):
  36         _AddDir(candidate_path, skipped)
  37       else:
  38         _AddPage(candidate_path)
  39
  40   if os.path.isdir(path):
  41     skipped = []
  42     skipped_file = os.path.join(path, 'Skipped')
  43     if os.path.exists(skipped_file):
  44       for line in open(skipped_file, 'r').readlines():
  45         line = line.strip()
  46         if line and not line.startswith('#'):
  47           skipped.append(line.replace('/', os.sep))
  48     _AddDir(path, skipped)
  49   else:
  50     _AddPage(path)
  51   ps = page_set.PageSet(file_path=os.getcwd()+os.sep, serving_dirs=serving_dirs)
  52   for url in page_urls:
  53     ps.AddPageWithDefaultRunNavigate(url)
  54   return ps
  55
  56
  57 class _BlinkPerfMeasurement(page_measurement.PageMeasurement):
  58   """Tuns a blink performance test and reports the results."""
  59   def __init__(self):
  60     super(_BlinkPerfMeasurement, self).__init__('')
  61     with open(os.path.join(os.path.dirname(__file__),
  62                            'blink_perf.js'), 'r') as f:
  63       self._blink_perf_js = f.read()
  64
  65   @property
  66   def results_are_the_same_on_every_page(self):
  67     return False
  68
  69   def WillNavigateToPage(self, page, tab):
  70     page.script_to_evaluate_on_commit = self._blink_perf_js
  71
  72   def CustomizeBrowserOptions(self, options):
  73     options.AppendExtraBrowserArgs([
  74         '--js-flags=--expose_gc',
  75         '--enable-experimental-web-platform-features'
  76     ])
  77
  78   def MeasurePage(self, page, tab, results):
  79     tab.WaitForJavaScriptExpression('testRunner.isDone', 600)
  80
  81     log = tab.EvaluateJavaScript('document.getElementById("log").innerHTML')
  82
  83     for line in log.splitlines():
  84       if not line.startswith('values '):
  85         continue
  86       parts = line.split()
  87       values = [float(v.replace(',', '')) for v in parts[1:-1]]
  88       units = parts[-1]
  89       metric = page.display_name.split('.')[0].replace('/', '_')
  90       results.Add(metric, units, values)
  91       break
  92
  93     print log
  94
  95
  96 class BlinkPerfAll(test.Test):
  97   tag = 'all'
  98   test = _BlinkPerfMeasurement
  99
 100   def CreatePageSet(self, options):
 101     path = os.path.join(util.GetChromiumSrcDir(),
 102         'third_party', 'WebKit', 'PerformanceTests')
 103     return _CreatePageSetFromPath(path)
 104
 105 class BlinkPerfAnimation(test.Test):
 106   tag = 'animation'
 107   test = _BlinkPerfMeasurement
 108
 109   def CreatePageSet(self, options):
 110     path = os.path.join(util.GetChromiumSrcDir(),
 111         'third_party', 'WebKit', 'PerformanceTests', 'Animation')
 112     return _CreatePageSetFromPath(path)