All graphs for this bug:
  https://chromeperf.appspot.com/group_report?bug_id=855456

(For debugging:) Original alerts at time of bug-filing:
  https://chromeperf.appspot.com/group_report?sid=13049c138115fa87e5a5cde2bb05d76bf27ab84572a83e6400eb262a2e7bb483


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

health-plan-webview-phone

Started bisect job https://chromeperf.appspot.com/buildbucket_job_status/8943022156690320512

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

Suspected Commit
  Author : James Wallace-Lee
  Commit : fbb0e336a2d6fe1237aecbb9cdfaa59e252857fa
  Date   : Mon Jun 18 23:57:47 2018
  Subject: AW: Don't draw if PrepareTiles is needed and no damage

Bisect Details
  Configuration: webview-phone-perf-bisect
  Benchmark    : system_health.memory_mobile
  Metric       : memory:webview:all_processes:reported_by_chrome:malloc:allocated_objects_size_avg/load_search/load_search_ebay
  Change       : 1.76% | 61536062.6667 -> 62617098.6667

Revision                                       Result                   N
android-chrome@8e54c6dbe8                      61536063 +- 100012       6      good
android-chrome@8e54c6dbe8,chromium@568239      61556152 +- 91501.1      6      good
android-chrome@8e54c6dbe8,chromium@568240      62584119 +- 110283       6      bad       <--
android-chrome@8e54c6dbe8,chromium@568241      62641248 +- 190221       6      bad
android-chrome@8e54c6dbe8,chromium@568243      62571800 +- 83808.5      6      bad
android-chrome@8e54c6dbe8,chromium@568247      62490567 +- 100459       6      bad
android-chrome@8e54c6dbe8,chromium@568255      62643827 +- 68335.2      6      bad
android-chrome@6e1a51a024                      62522089 +- 175334       6      bad
android-chrome@4ea344bada                      62617099 +- 56063.8      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=load.search.ebay 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/8943022156690320512


For feedback, file a bug with component Speed>Bisection