All graphs for this bug:
  https://chromeperf.appspot.com/group_report?bug_id=855451

(For debugging:) Original alerts at time of bug-filing:
  https://chromeperf.appspot.com/group_report?sid=35e7930f924bdfc843b491d4921c9da954aae5f012f2cf6cd9663794f8a8475b


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

health-plan-clankium-low-end-phone

Started bisect job https://chromeperf.appspot.com/buildbucket_job_status/8943022202038622224

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

Hi sadrul@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 : Sadrul Habib Chowdhury
  Commit : 3821fdf5c54add24d02adef248a311c293ea0bd0
  Date   : Wed Jun 13 19:50:51 2018
  Subject: presentation feedback: Use a GLFence fallback.

Bisect Details
  Configuration: clankium-low-end-phone-perf-bisect
  Benchmark    : system_health.memory_mobile
  Metric       : memory:chrome:all_processes:reported_by_os:gpu_memory:proportional_resident_size_avg/browse_news/browse_news_cricbuzz
  Change       : 13.75% | 8048640.0 -> 9155470.22222

Revision                                       Result                 N
android-chrome@ca1c4e48aa                      8048640 +- 321060      5      good
android-chrome@2158fc5105                      7830187 +- 107020      6      good
android-chrome@2158fc5105,chromium@566949      7961259 +- 135371      6      good
android-chrome@2158fc5105,chromium@566955      8004949 +- 197335      6      good
android-chrome@2158fc5105,chromium@566957      8092331 +- 107020      6      good
android-chrome@2158fc5105,chromium@566958      9534123 +- 612916      6      bad       <--
android-chrome@2158fc5105,chromium@566960      9403051 +- 535099      6      bad
android-chrome@2158fc5105,chromium@566970      9069568 +- 571960      6      bad
android-chrome@2158fc5105,chromium@566991      9009835 +- 270741      6      bad
android-chrome@f6b5646c5d                      9330233 +- 606970      9      bad
android-chrome@adcd19c5ad                      9155470 +- 409855      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=browse.news.cricbuzz 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/8943022202038622224


For feedback, file a bug with component Speed>Bisection

 Issue 853004  has been merged into this issue.

GLFence has fallback for presentation-time has been disabled on android: https://chromium-review.googlesource.com/1155472