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Issue 797908 link

Starred by 2 users

Issue metadata

Status: Duplicate
Merged: issue 797379
Owner: ----
Closed: Dec 2017
Cc:
EstimatedDays: ----
NextAction: ----
OS: ----
Pri: 2
Type: Bug-Regression



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27.8%-114.5% regression in v8.browsing_mobile at 525820:525841

Project Member Reported by mlippautz@google.com, Dec 28 2017

Issue description

See the link to graphs below.
 
Project Member

Comment 1 by 42576172...@developer.gserviceaccount.com, Dec 28 2017

All graphs for this bug:
  https://chromeperf.appspot.com/group_report?bug_id=797908

(For debugging:) Original alerts at time of bug-filing:
  https://chromeperf.appspot.com/group_report?sid=2a2c53056ac6d5e90192776ad9fe1b313735cfef9d636ae81ff9e69a8a5e369b


Bot(s) for this bug's original alert(s):

android-webview-nexus6
Project Member

Comment 3 by 42576172...@developer.gserviceaccount.com, Dec 29 2017

Mergedinto: 797379
Status: Duplicate (was: Untriaged)

=== BISECT JOB RESULTS ===
Perf regression found with culprit

Suspected Commit
  Author : Fadi Meawad
  Commit : e442ea0666d7af6e564fc1eb2c31deb05ed54035
  Date   : Thu Dec 21 22:54:43 2017
  Subject: Reland "[PageLifecyle] Move the launch process state to Webkit/common"

Bisect Details
  Configuration: android_webview_nexus6_aosp_perf_bisect
  Benchmark    : v8.browsing_mobile
  Metric       : total:500ms_window:renderer_eqt:v8_max/browse_tools/browse_tools_maps
  Change       : 101.57% | 313.054555556 -> 608.148444444

Revision             Result                  N
chromium@525819      313.055 +- 23.077       9       good
chromium@525830      302.887 +- 25.4597      6       good
chromium@525836      312.399 +- 44.1477      9       good
chromium@525839      317.236 +- 51.7883      14      good
chromium@525840      312.341 +- 49.7628      14      good
chromium@525841      608.148 +- 491.34       9       bad       <--

To Run This Test
  src/tools/perf/run_benchmark -v --browser=android-webview --output-format=chartjson --upload-results --pageset-repeat=1 --also-run-disabled-tests --story-filter=browse.tools.maps v8.browsing_mobile

More information on addressing performance regressions:
  http://g.co/ChromePerformanceRegressions

Debug information about this bisect:
  https://chromeperf.appspot.com/buildbucket_job_status/8958970833533146096


For feedback, file a bug with component Speed>Bisection

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