All graphs for this bug:
  https://chromeperf.appspot.com/group_report?bug_id=842776

(For debugging:) Original alerts at time of bug-filing:
  https://chromeperf.appspot.com/group_report?sid=8fe873f9512cdfc0728784b467f6132965d052ebd7f4c5aab7701a2a875ed7ec


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

perf-go-phone-1024

Started bisect job https://chromeperf.appspot.com/buildbucket_job_status/8946531448572927600

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

Suspected Commit
  Author : jgruber
  Commit : e0c3f6d6ca005185e537fb85bbe841fe5dae5240
  Date   : Tue May 08 11:21:37 2018
  Subject: Disable embedded builtins

Bisect Details
  Configuration: go-phone-1024-perf-bisect
  Benchmark    : memory.top_10_mobile
  Metric       : memory:chrome:all_processes:reported_by_os:system_memory:private_footprint_size_avg/foreground/https_mobile_twitter_com_justinbieber_skip_interstitial_true
  Change       : 1.18% | 42515114.6667 -> 42937002.6667

Revision                                                     Result                  N
android-chrome@be902aa047                                    42515115 +- 284252      9       good
android-chrome@be902aa047,chromium@556849                    42538423 +- 253558      14      good
android-chrome@be902aa047,chromium@556890                    42529938 +- 268234      14      good
android-chrome@be902aa047,chromium@556893                    42630713 +- 174591      9       good
android-chrome@be902aa047,chromium@556894                    42554514 +- 336300      14      good
android-chrome@be902aa047,chromium@556894,v8@855850eb7f      42580066 +- 368097      21      good
android-chrome@be902aa047,chromium@556894,v8@e0c3f6d6ca      43137024 +- 321746      6       bad       <--
android-chrome@be902aa047,chromium@556894,v8@c34562803e      43045774 +- 293299      9       bad
android-chrome@be902aa047,chromium@556894,v8@9f5018c9b0      43104484 +- 326238      9       bad
android-chrome@be902aa047,chromium@556894,v8@61af2762ef      42988885 +- 253183      9       bad
android-chrome@be902aa047,chromium@556895                    43016192 +- 225271      14      bad
android-chrome@be902aa047,chromium@556901                    43031893 +- 340273      6       bad
android-chrome@be902aa047,chromium@556911                    42863762 +- 275463      14      bad
android-chrome@1390428f76                                    42937003 +- 189160      9       bad

Please refer to the following doc on diagnosing memory regressions:
  https://chromium.googlesource.com/chromium/src/+/master/docs/memory-infra/memory_benchmarks.md

To Run This Test
  src/tools/perf/run_benchmark -v --browser=android-chrome --output-format=chartjson --upload-results --pageset-repeat=1 --also-run-disabled-tests --story-filter=https.mobile.twitter.com.justinbieber.skip.interstitial.true memory.top_10_mobile

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

Debug information about this bisect:
  https://chromeperf.appspot.com/buildbucket_job_status/8946531448572927600


For feedback, file a bug with component Speed>Bisection