All graphs for this bug:
  https://chromeperf.appspot.com/group_report?bug_id=739877

(For debugging:) Original alerts at time of bug-filing:
  https://chromeperf.appspot.com/group_report?sid=3e5355d4e6bd2f25fd37cf38e549b8bb4cedfba9dc3577082a5523974c331230


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

android-webview-nexus5X

Started bisect job https://chromeperf.appspot.com/buildbucket_job_status/8974785902717145968

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

Hi perezju@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 : perezju
  Commit : b5c1738572410f30cbcae23354f1738cf0b222ef
  Date   : Wed Jul 05 08:52:52 2017
  Subject: [Telemetry] Trigger GC on Chrome processes forked from Zygote

Bisect Details
  Configuration: android_webview_arm64_aosp_perf_bisect
  Benchmark    : system_health.memory_mobile
  Metric       : memory:webview:all_processes:reported_by_os:system_memory:java_heap:proportional_resident_size_avg/background_social/background_social_facebook
  Change       : 5.35% | 1562624.0 -> 1646250.66667

Revision                                 Result                  N
chromium@484233                          1562624 +- 0.0          6      good
chromium@484238                          1566037 +- 18695.6      6      good
chromium@484239                          1574229 +- 3739.12      6      good
chromium@484239,catapult@b5c1738572      1663317 +- 18695.6      6      bad       <--
chromium@484240                          1659051 +- 4673.9       6      bad
chromium@484241                          1649664 +- 0.0          6      bad
chromium@484243                          1649664 +- 28963.1      6      bad
chromium@484252                          1649664 +- 40960.0      6      bad
chromium@484270                          1646251 +- 34473.0      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=background.social.facebook 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/8974785902717145968


For feedback, file a bug with component Speed>Bisection

 Issue 739878  has been merged into this issue.

 Issue 739733  has been merged into this issue.

These are expected, and already discussed at issue 724032.

 Issue 740125  has been merged into this issue.