All graphs for this bug:
  https://chromeperf.appspot.com/group_report?bug_id=747938

(For debugging:) Original alerts at time of bug-filing:
  https://chromeperf.appspot.com/group_report?sid=0633ed9ec791a8ab2951dc1c07e2c180e6740b6de73a4558e62ab10b451222c9


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

android-one

Started bisect job https://chromeperf.appspot.com/buildbucket_job_status/8973189266582172784

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

Suspected Commit
  Author : Matthew Halpern
  Commit : cd7e31fb911a98c7dc021d543e9dea8c553cdb1f
  Date   : Wed Jul 19 20:50:43 2017
  Subject: Enable GRC

Bisect Details
  Configuration: android_one_perf_bisect
  Benchmark    : system_health.memory_mobile
  Metric       : memory:chrome:all_processes:reported_by_chrome:malloc:effective_size_avg/load_tools/load_tools_dropbox
  Change       : 0.27% | 13856064.0 -> 13893473.3333

Revision             Result                   N
chromium@487900      13856064 +- 38682.9      6      good
chromium@487964      13846783 +- 28964.5      6      good
chromium@487966      13844291 +- 19131.2      6      good
chromium@487967      13851974 +- 22574.0      6      good
chromium@487968      13894195 +- 13311.8      6      bad       <--
chromium@487972      13891575 +- 18442.6      6      bad
chromium@487980      13891317 +- 31465.1      6      bad
chromium@487996      13895505 +- 20200.7      6      bad
chromium@488028      13893473 +- 11806.7      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-chromium --output-format=chartjson --upload-results --pageset-repeat=1 --also-run-disabled-tests --story-filter=load.tools.dropbox 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/8973189266582172784


For feedback, file a bug with component Speed>Bisection