All graphs for this bug:
  https://chromeperf.appspot.com/group_report?bug_id=842615

(For debugging:) Original alerts at time of bug-filing:
  https://chromeperf.appspot.com/group_report?sid=8f6d28de4b0d9e85a02d1d8c545a0864d5c9751c7ac77ba2dc5d23a0387f60fb


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

health-plan-clankium-low-end-phone
health-plan-clankium-phone
health-plan-webview-low-end-phone
health-plan-webview-phone
perf-go-webview-phone
perf-monochrome-n-phone

Started bisect job https://chromeperf.appspot.com/buildbucket_job_status/8946561872883745536

=== 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-webview-phone-perf-bisect
  Benchmark    : system_health.memory_mobile
  Metric       : memory:webview:all_processes:reported_by_chrome:v8:effective_size_avg/load_chrome/load_chrome_blank
  Change       : 36.93% | 920681.333333 -> 1260708.0

Revision                                                     Result                  N
android-chrome@be902aa047                                    920681 +- 6793.25       6      good
android-chrome@be902aa047,chromium@556849                    917892 +- 0.0           6      good
android-chrome@be902aa047,chromium@556890                    920665 +- 6793.25       6      good
android-chrome@be902aa047,chromium@556893                    917892 +- 0.0           6      good
android-chrome@be902aa047,chromium@556894                    917892 +- 0.0           6      good
android-chrome@be902aa047,chromium@556894,v8@855850eb7f      920649 +- 6793.25       6      good
android-chrome@be902aa047,chromium@556894,v8@e0c3f6d6ca      1266671 +- 8592.86      6      bad       <--
android-chrome@be902aa047,chromium@556894,v8@c34562803e      1261124 +- 0.0          6      bad
android-chrome@be902aa047,chromium@556894,v8@9f5018c9b0      1261124 +- 0.0          6      bad
android-chrome@be902aa047,chromium@556894,v8@61af2762ef      1260708 +- 0.0          6      bad
android-chrome@be902aa047,chromium@556895                    1260708 +- 0.0          6      bad
android-chrome@be902aa047,chromium@556901                    1263481 +- 6793.25      6      bad
android-chrome@be902aa047,chromium@556911                    1260708 +- 0.0          6      bad
android-chrome@1390428f76                                    1260708 +- 0.0          6      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-webview --output-format=chartjson --upload-results --pageset-repeat=1 --also-run-disabled-tests --story-filter=load.chrome.blank system_health.memory_mobile

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

Debug information about this bisect:
  https://chromeperf.appspot.com/buildbucket_job_status/8946561872883745536


For feedback, file a bug with component Speed>Bisection