| # Copyright 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. |
| |
| from core import perf_benchmark |
| |
| from measurements import tab_switching |
| import page_sets |
| from telemetry import benchmark |
| |
| |
| @benchmark.Owner(emails=['vovoy@chromium.org'], |
| component='OS>Performance') |
| @benchmark.Enabled('has tabs') |
| @benchmark.Disabled('mac') # http://crbug.com/612774 |
| @benchmark.Disabled('android') # http://crbug.com/460084 |
| class TabSwitchingTypical25(perf_benchmark.PerfBenchmark): |
| """This test records the MPArch.RWH_TabSwitchPaintDuration histogram. |
| |
| The histogram is a measure of the time between when a tab was requested to be |
| shown, and when first paint occurred. The script opens 25 pages in different |
| tabs, waits for them to load, and then switches to each tab and records the |
| metric. The pages were chosen from Alexa top ranking sites. |
| """ |
| test = tab_switching.TabSwitching |
| |
| def CreateStorySet(self, options): |
| return page_sets.SystemHealthStorySet(platform='desktop', |
| case='multitab:misc') |
| |
| @classmethod |
| def Name(cls): |
| return 'tab_switching.typical_25' |
| |
| @classmethod |
| def ShouldTearDownStateAfterEachStoryRun(cls): |
| return False |
