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Issue 759483 link

Starred by 1 user
Status: Duplicate
Merged: issue 759458
Owner:
tebbi@chromium.org
Closed: Aug 2017
Cc:
tebbi@chromium.org
Components:
EstimatedDays: ----
NextAction: ----
OS: ----
Pri: 2
Type: Bug-Regression



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11.1%-13.1% regression in v8.runtimestats.browsing_desktop at 497375:497453

Project Member Reported by tebbi@chromium.org, Aug 28 2017 
See the link to graphs below.
Project Member

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

All graphs for this bug:
  https://chromeperf.appspot.com/group_report?bug_id=759483

(For debugging:) Original alerts at time of bug-filing:
  https://chromeperf.appspot.com/group_report?sid=2f1564b592743073d0ab4998edb622eba5dd708285c603b8f4cd4f235e376cec


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

chromium-rel-mac-retina
chromium-rel-mac11-air
Project Member

Comment 3 by 42576172...@developer.gserviceaccount.com, Aug 28 2017 


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

Bisect Details
  Configuration: mac_air_perf_bisect
  Benchmark    : v8.runtimestats.browsing_desktop
  Metric       : Total:duration_avg/browse_social/browse_social_facebook_infinite_scroll

Revision             Result                  N
chromium@497374      11249.9 +- 857.686      21      good
chromium@497440      11316.7 +- 946.372      21      bad

To Run This Test
  src/tools/perf/run_benchmark -v --browser=release --output-format=chartjson --upload-results --pageset-repeat=1 --also-run-disabled-tests --story-filter=browse.social.facebook.infinite.scroll v8.runtimestats.browsing_desktop

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

Debug information about this bisect:
  https://chromeperf.appspot.com/buildbucket_job_status/8970027993832558992


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

Comment 5 by 42576172...@developer.gserviceaccount.com, Aug 28 2017

Mergedinto: 759458
Status: Duplicate (was: Assigned)

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

Suspected Commit
  Author : Sahel Sharify
  Commit : f53825a1fb92e74b9a889b9501243e03de57094d
  Date   : Fri Aug 25 19:16:21 2017
  Subject: Wheel scroll latching and async wheel events flags enabled in testing config.

Bisect Details
  Configuration: mac_air_perf_bisect
  Benchmark    : v8.runtimestats.browsing_desktop
  Metric       : Total:duration_avg/browse_social/browse_social_facebook_infinite_scroll
  Change       : 8.45% | 11345.9175 -> 12304.9573333

Revision             Result                  N
chromium@497374      11345.9 +- 473.061      6      good
chromium@497465      11297.8 +- 476.67       6      good
chromium@497477      11333.3 +- 354.648      6      good
chromium@497480      11338.8 +- 534.305      6      good
chromium@497482      11311.6 +- 323.785      6      good
chromium@497483      12291.9 +- 284.636      6      bad       <--
chromium@497488      12388.8 +- 200.84       6      bad
chromium@497511      12305.3 +- 543.834      6      bad
chromium@497556      12305.0 +- 419.485      6      bad

To Run This Test
  src/tools/perf/run_benchmark -v --browser=release --output-format=chartjson --upload-results --pageset-repeat=1 --also-run-disabled-tests --story-filter=browse.social.facebook.infinite.scroll v8.runtimestats.browsing_desktop

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

Debug information about this bisect:
  https://chromeperf.appspot.com/buildbucket_job_status/8970018258715305824


For feedback, file a bug with component Speed>Bisection
►

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