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Issue 762270 link

Starred by 1 user
Status: Duplicate
Merged: issue 760682
Owner: ----
Closed: Sep 2017
Cc:
█ briander...@chromium.org
EstimatedDays: ----
NextAction: ----
OS: ----
Pri: 2
Type: Bug-Regression



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37.8% regression in smoothness.key_mobile_sites_smooth at 498236:498304

Project Member Reported by briander...@chromium.org, Sep 5 2017 
See the link to graphs below.
Project Member

Comment 1 by 42576172...@developer.gserviceaccount.com, Sep 5 2017 

All graphs for this bug:
  https://chromeperf.appspot.com/group_report?bug_id=762270

(For debugging:) Original alerts at time of bug-filing:
  https://chromeperf.appspot.com/group_report?sid=c6144d7196d4c298c7429f656d731506c8c6c5a90d901bbc71af6643516f5fac


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

android-nexus7v2
Project Member

Comment 3 by 42576172...@developer.gserviceaccount.com, Sep 6 2017 


=== BISECT JOB RESULTS ===
NO Perf regression found

Bisect Details
  Configuration: android_nexus7_perf_bisect
  Benchmark    : smoothness.key_mobile_sites_smooth
  Metric       : frame_times/https___www.google.co.uk_search?hl_en_q_barack+obama_cad_h

Revision             Result                  N
chromium@498235      25.5141 +- 2.12849      21      good
chromium@498304      25.733 +- 8.99185       21      bad

To Run This Test
  src/tools/perf/run_benchmark -v --browser=android-chromium --output-format=chartjson --upload-results --pageset-repeat=1 --also-run-disabled-tests --story-filter=https...www.google.co.uk.search.hl.en.q.barack.obama.cad.h smoothness.key_mobile_sites_smooth

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

Debug information about this bisect:
  https://chromeperf.appspot.com/buildbucket_job_status/8969252925331716560


For feedback, file a bug with component Speed>Bisection
Project Member

Comment 5 by 42576172...@developer.gserviceaccount.com, Sep 6 2017

Mergedinto: 760682
Status: Duplicate (was: Untriaged)

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

Suspected Commit
  Author : Timothy Loh
  Commit : 2db3fa641f2b6a05ee894f158a93a419caf3e896
  Date   : Tue Aug 29 03:09:33 2017
  Subject: Prepare tests for enabling modal permission prompts and remove gesture experiment

Bisect Details
  Configuration: android_nexus7_perf_bisect
  Benchmark    : smoothness.key_mobile_sites_smooth
  Metric       : frame_times/https___www.google.co.uk_search?hl_en_q_barack+obama_cad_h
  Change       : 37.35% | 18.9205374988 -> 25.9868658524

Revision             Result                   N
chromium@497749      18.9205 +- 1.13483       6      good
chromium@497959      18.9208 +- 0.643969      6      good
chromium@497986      18.9878 +- 0.813583      6      good
chromium@497999      18.8418 +- 0.721081      6      good
chromium@498003      19.0749 +- 1.06606       6      good
chromium@498004      25.7994 +- 0.520537      6      bad       <--
chromium@498005      26.2704 +- 2.13504       6      bad
chromium@498006      26.3281 +- 1.05748       6      bad
chromium@498012      25.9955 +- 2.91227       6      bad
chromium@498064      26.0171 +- 1.2766        6      bad
chromium@498168      25.668 +- 1.52318        6      bad
chromium@498587      25.9869 +- 2.19087       6      bad

To Run This Test
  src/tools/perf/run_benchmark -v --browser=android-chromium --output-format=chartjson --upload-results --pageset-repeat=1 --also-run-disabled-tests --story-filter=https...www.google.co.uk.search.hl.en.q.barack.obama.cad.h smoothness.key_mobile_sites_smooth

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

Debug information about this bisect:
  https://chromeperf.appspot.com/buildbucket_job_status/8969171084363848032


For feedback, file a bug with component Speed>Bisection
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