All graphs for this bug:
  https://chromeperf.appspot.com/group_report?bug_id=862353

(For debugging:) Original alerts at time of bug-filing:
  https://chromeperf.appspot.com/group_report?sid=6ecc92beeb8689d3477453e73922445d2e3ed2d8e9315ebbeb7547740206ba48


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-phone-1024
perf-go-webview-phone

Started bisect job https://chromeperf.appspot.com/buildbucket_job_status/8941357989983635184

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

Suspected Commit
  Author : Dominik Röttsches
  Commit : 42eb6fbdb9e6783542d49235322aa92a4b4aebc9
  Date   : Tue Jul 03 09:40:13 2018
  Subject: Don't exclude unassigned characters from fallback

Bisect Details
  Configuration: go-webview-phone-perf-bisect
  Benchmark    : system_health.memory_mobile
  Metric       : memory:webview:all_processes:reported_by_chrome:malloc:effective_size_avg/browse_shopping/browse_shopping_amazon
  Change       : 11.62% | 20325630.6667 -> 22687514.1667

Revision                                       Result                   N
android-chrome@25f69d9f4c                      20325631 +- 523431       6      good
android-chrome@25f69d9f4c,chromium@572159      22848725 +- 436907       6      bad       <--
android-chrome@25f69d9f4c,chromium@572160      22544010 +- 128132       6      bad
android-chrome@25f69d9f4c,chromium@572162      22604938 +- 368227       6      bad
android-chrome@25f69d9f4c,chromium@572165      22409820 +- 78819.2      6      bad
android-chrome@77aab0d246                      22652953 +- 299625       6      bad
android-chrome@6e2ac71aeb                      22687514 +- 340249       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=browse.shopping.amazon 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/8941357989983635184


For feedback, file a bug with component Speed>Bisection