All graphs for this bug:
  https://chromeperf.appspot.com/group_report?bug_id=855464

(For debugging:) Original alerts at time of bug-filing:
  https://chromeperf.appspot.com/group_report?sid=d9db1d46b0702acab1f3017b1c8b775d44a3f22d3fd15043d9e9652d6b4471ff


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

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

Started bisect job https://chromeperf.appspot.com/buildbucket_job_status/8943022022318618496

=== Auto-CCing suspected CL author bungeman@google.com ===

Hi bungeman@google.com, 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 : Ben Wagner
  Commit : d34b8a80f30a176ecf1c01ae7220b5f8af636eb8
  Date   : Wed Jun 13 15:37:56 2018
  Subject: Always FreeType autohint when requested.

Bisect Details
  Configuration: clankium-low-end-phone-perf-bisect
  Benchmark    : system_health.memory_mobile
  Metric       : memory:chrome:all_processes:reported_by_chrome:malloc:effective_size_avg/browse_news/browse_news_qq
  Change       : 2.36% | 41264656.0 -> 42236806.6667

Revision                                                       Result                   N
android-chrome@e90c9c80c5                                      41264656 +- 44679.2      6      good
android-chrome@cd7b16c40c                                      41283045 +- 36969.7      6      good
android-chrome@cd7b16c40c,chromium@567123                      41275888 +- 43966.6      6      good
android-chrome@cd7b16c40c,chromium@567124                      41214460 +- 84248.1      6      good
android-chrome@cd7b16c40c,chromium@567124,skia@5f4b09d523      41255420 +- 77706.3      6      good
android-chrome@cd7b16c40c,chromium@567124,skia@dc89f192c8      41304857 +- 139226       6      good
android-chrome@cd7b16c40c,chromium@567124,skia@d34b8a80f3      42267181 +- 10216.5      6      bad       <--
android-chrome@cd7b16c40c,chromium@567124,skia@6fbafc0afa      42230821 +- 72681.8      6      bad
android-chrome@cd7b16c40c,chromium@567124,skia@f18c756360      42275719 +- 54714.8      6      bad
android-chrome@cd7b16c40c,chromium@567125                      42272512 +- 56826.4      6      bad
android-chrome@cd7b16c40c,chromium@567128                      42263331 +- 103677       6      bad
android-chrome@cd7b16c40c,chromium@567133                      42262848 +- 53805.2      6      bad
android-chrome@cd7b16c40c,chromium@567145                      42226600 +- 88209.7      6      bad
android-chrome@306d8fee9b                                      42236807 +- 19485.6      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-chrome --output-format=chartjson --upload-results --pageset-repeat=1 --also-run-disabled-tests --story-filter=browse.news.qq 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/8943022022318618496


For feedback, file a bug with component Speed>Bisection

 Issue 855483  has been merged into this issue.

 Issue 857584  has been merged into this issue.

Assigned, but no owner or component? Please find a component and/or owner