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Side by Side Diff: trunk/src/tools/perf/measurements/page_cycler.py

Issue 111773002: Revert 239784 "Make page_cycler.py fully measure memory for each..." (Closed) Base URL: svn://svn.chromium.org/chrome/
Patch Set: Created 7 years ago
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1 # Copyright (c) 2012 The Chromium Authors. All rights reserved. 1 # Copyright (c) 2012 The Chromium Authors. All rights reserved.
2 # Use of this source code is governed by a BSD-style license that can be 2 # Use of this source code is governed by a BSD-style license that can be
3 # found in the LICENSE file. 3 # found in the LICENSE file.
4 4
5 """The page cycler measurement. 5 """The page cycler measurement.
6 6
7 This measurement registers a window load handler in which is forces a layout and 7 This measurement registers a window load handler in which is forces a layout and
8 then records the value of performance.now(). This call to now() measures the 8 then records the value of performance.now(). This call to now() measures the
9 time from navigationStart (immediately after the previous page's beforeunload 9 time from navigationStart (immediately after the previous page's beforeunload
10 event) until after the layout in the page's load event. In addition, two garbage 10 event) until after the layout in the page's load event. In addition, two garbage
(...skipping 146 matching lines...) Expand 10 before | Expand all | Expand 10 after
157 157
158 if self._report_speed_index: 158 if self._report_speed_index:
159 def SpeedIndexIsFinished(): 159 def SpeedIndexIsFinished():
160 return self._speedindex_metric.IsFinished(tab) 160 return self._speedindex_metric.IsFinished(tab)
161 util.WaitFor(SpeedIndexIsFinished, 60) 161 util.WaitFor(SpeedIndexIsFinished, 60)
162 self._speedindex_metric.Stop(page, tab) 162 self._speedindex_metric.Stop(page, tab)
163 self._speedindex_metric.AddResults( 163 self._speedindex_metric.AddResults(
164 tab, results, chart_name=chart_name_prefix+'speed_index') 164 tab, results, chart_name=chart_name_prefix+'speed_index')
165 165
166 def DidRunTest(self, browser, results): 166 def DidRunTest(self, browser, results):
167 self._memory_metric.AddSummaryResults(results)
167 io.IOMetric().AddSummaryResults(browser, results) 168 io.IOMetric().AddSummaryResults(browser, results)
168 169
169 def IsRunCold(self, url): 170 def IsRunCold(self, url):
170 return (self.ShouldRunCold(url) or 171 return (self.ShouldRunCold(url) or
171 self._has_loaded_page[url] == 0) 172 self._has_loaded_page[url] == 0)
172 173
173 def ShouldRunCold(self, url): 174 def ShouldRunCold(self, url):
174 # We do the warm runs first for two reasons. The first is so we can 175 # We do the warm runs first for two reasons. The first is so we can
175 # preserve any initial profile cache for as long as possible. 176 # preserve any initial profile cache for as long as possible.
176 # The second is that, if we did cold runs first, we'd have a transition 177 # The second is that, if we did cold runs first, we'd have a transition
177 # page set during which we wanted the run for each URL to both 178 # page set during which we wanted the run for each URL to both
178 # contribute to the cold data and warm the catch for the following 179 # contribute to the cold data and warm the catch for the following
179 # warm run, and clearing the cache before the load of the following 180 # warm run, and clearing the cache before the load of the following
180 # URL would eliminate the intended warmup for the previous URL. 181 # URL would eliminate the intended warmup for the previous URL.
181 return (self._has_loaded_page[url] >= self._cold_run_start_index) 182 return (self._has_loaded_page[url] >= self._cold_run_start_index)
182 183
183 def results_are_the_same_on_every_page(self): 184 def results_are_the_same_on_every_page(self):
184 return False 185 return False
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