All graphs for this bug:
  https://chromeperf.appspot.com/group_report?bug_id=846060

(For debugging:) Original alerts at time of bug-filing:
  https://chromeperf.appspot.com/group_report?sid=7faf9f229683a6f1eb1f2d1e488339f1df701c901d441815dcb351d0f98df049


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

health-plan-clankium-phone
perf-go-phone-1024

Started bisect job https://chromeperf.appspot.com/buildbucket_job_status/8945705770997061344

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

Suspected Commit
  Author : yiyix
  Commit : 6a4ede3e8b19101ba5b1735e0a2178b9541a21a3
  Date   : Mon May 14 10:38:30 2018
  Subject: Fix Regression: Black patch is seen while opening new page

Bisect Details
  Configuration: clankium-phone-perf-bisect
  Benchmark    : system_health.memory_mobile
  Metric       : memory:chrome:all_processes:reported_by_os:system_memory:private_dirty_size_avg/load_games/load_games_spychase
  Change       : 5.21% | 77413206.6667 -> 81448449.3333

Revision                                       Result                   N
android-chrome@4426288b2b                      77413207 +- 3705482      6      good
android-chrome@4426288b2b,chromium@558065      77376343 +- 280469       6      good
android-chrome@4426288b2b,chromium@558164      77479425 +- 143942       6      good
android-chrome@4426288b2b,chromium@558213      77579777 +- 256407       6      good
android-chrome@4426288b2b,chromium@558238      75857409 +- 4232306      6      good
android-chrome@4426288b2b,chromium@558250      77313537 +- 231642       6      good
android-chrome@4426288b2b,chromium@558252      77327191 +- 190306       6      good
android-chrome@4426288b2b,chromium@558253      81382231 +- 235506       6      bad       <--
android-chrome@4426288b2b,chromium@558256      81528321 +- 301368       6      bad
android-chrome@4426288b2b,chromium@558262      81546071 +- 241013       6      bad
android-chrome@dda312c828                      81448449 +- 288917       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=load.games.spychase 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/8945705770997061344


For feedback, file a bug with component Speed>Bisection