All graphs for this bug:
  https://chromeperf.appspot.com/group_report?bug_id=861905

(For debugging:) Original alerts at time of bug-filing:
  https://chromeperf.appspot.com/group_report?sid=09f43b033f360553cc32d5f048f63c8c3067bf30d09af5b7a681515808d776e8


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

health-plan-webview-low-end-phone
health-plan-webview-phone
integration-android-low-end-phone
perf-go-phone-1024
perf-go-phone-512
perf-go-webview-phone
perf-monochrome-n-phone

Started bisect job https://chromeperf.appspot.com/buildbucket_job_status/8941445896330293488

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

Hi enne@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 : Adrienne Walker
  Commit : d82c4fabc5cc6cbe6b475186ed9fa0216980e533
  Date   : Fri Jun 29 22:55:43 2018
  Subject: Turn on OOP Raster on android bots

Bisect Details
  Configuration: go-webview-phone-perf-bisect
  Benchmark    : system_health.memory_mobile
  Metric       : memory:webview:all_processes:reported_by_os:gpu_memory:proportional_resident_size_avg/browse_social/browse_social_tumblr_infinite_scroll
  Change       : 75.47% | 15983615.3333 -> 28047018.0

Revision                                       Result                   N
android-chrome@23ce5c27b6                      15983615 +- 1936481      6      good
android-chrome@23ce5c27b6,chromium@571692      15608831 +- 2046582      6      good
android-chrome@23ce5c27b6,chromium@571693      14724778 +- 812755       6      good
android-chrome@23ce5c27b6,chromium@571694      26580650 +- 2501404      6      bad       <--
android-chrome@23ce5c27b6,chromium@571698      28004010 +- 4178878      6      bad
android-chrome@24cae43d5e                      30318250 +- 4451124      6      bad
android-chrome@cd28519e8e                      28313258 +- 4650198      6      bad
android-chrome@8dba9381aa                      28047018 +- 4438192      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.social.tumblr.infinite.scroll 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/8941445896330293488


For feedback, file a bug with component Speed>Bisection