All graphs for this bug:
  https://chromeperf.appspot.com/group_report?bug_id=777310

(For debugging:) Original alerts at time of bug-filing:
  https://chromeperf.appspot.com/group_report?sid=0c860b4e662d5f8f4c7836908a4908dc86283f2fb5be4aa5455931661afc5a71


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

android-nexus5
android-nexus7v2
android-webview-nexus6

Started bisect job https://chromeperf.appspot.com/buildbucket_job_status/8964956467004234096

=== Auto-CCing suspected CL author vogelheim@chromium.org ===

Hi vogelheim@chromium.org, the bisect results pointed to your CL, please take a look at the
results.


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

Suspected Commit
  Author : Daniel Vogelheim
  Commit : 6470b38ae662c76887a0ef3229d48983b54877b7
  Date   : Thu Oct 19 14:35:58 2017
  Subject: Add WorkStealingInScriptRunner feature flag.

Bisect Details
  Configuration: android_nexus5_perf_bisect
  Benchmark    : v8.runtimestats.browsing_mobile
  Metric       : Parse-Background:duration_avg/browse_media/browse_media_flickr_infinite_scroll
  Change       : 100.55% | 292.250666667 -> 586.117166667

Revision             Result                  N
chromium@510054      292.251 +- 45.2952      6      good
chromium@510071      273.494 +- 62.9607      6      good
chromium@510079      303.71 +- 85.1437       6      good
chromium@510080      280.89 +- 55.4968       6      good
chromium@510081      569.653 +- 152.785      6      bad       <--
chromium@510083      588.127 +- 117.715      6      bad
chromium@510087      586.117 +- 82.3328      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=browse.media.flickr.infinite.scroll v8.runtimestats.browsing_mobile

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

Debug information about this bisect:
  https://chromeperf.appspot.com/buildbucket_job_status/8964956467004234096


For feedback, file a bug with component Speed>Bisection

 Issue 777311  has been merged into this issue.