tools/perf/perf_tools/startup_tests.py - Issue 14352002: Rename startup_tests.py Telemetry test to startup_benchmark.py

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Side by Side Diff: tools/perf/perf_tools/startup_tests.py

Issue 14352002: Rename startup_tests.py Telemetry test to startup_benchmark.py (Closed) Base URL: https://chromium.googlesource.com/chromium/src.git@master

Patch Set: Created 7 years, 8 months ago

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1 # Copyright (c) 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 from telemetry.page import page_benchmark

6

7 # Test how long Chrome takes to load when warm.

8 class PerfWarm(page_benchmark.PageBenchmark):

9 def __init__(self):

10 super(PerfWarm, self).__init__(needs_browser_restart_after_each_run=True,

11 discard_first_result=True)

12

13 def CustomizeBrowserOptions(self, options):

14 options.AppendExtraBrowserArg('--dom-automation')

15 options.AppendExtraBrowserArg('--reduce-security-for-dom-automation-tests')

16

17 def MeasurePage(self, page, tab, results):

18 result = tab.EvaluateJavaScript("""

19 domAutomationController.getBrowserHistogram(

20 "Startup.BrowserMessageLoopStartTimeFromMainEntry")

21 """)

22 results.Add('startup_time', 'ms', result)

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