All graphs for this bug:
  https://chromeperf.appspot.com/group_report?bug_id=842618

(For debugging:) Original alerts at time of bug-filing:
  https://chromeperf.appspot.com/group_report?sid=87952b9c0b8016b56451f08569c32b82259e553e241880dd253085baf88835b8


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

health-plan-clankium-phone

Started bisect job https://chromeperf.appspot.com/buildbucket_job_status/8946561670330099728

=== Auto-CCing suspected CL author mikhail.pozdnyakov@intel.com ===

Hi mikhail.pozdnyakov@intel.com, 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 : Mikhail Pozdnyakov
  Commit : 62b316994f61a37a0da79a14b3d9129b5049dc9d
  Date   : Mon Apr 30 09:30:04 2018
  Subject: DevTools support for Generic Sensors API

Bisect Details
  Configuration: clankium-phone-perf-bisect
  Benchmark    : system_health.memory_mobile
  Metric       : memory:chrome:all_processes:reported_by_chrome:v8:effective_size_avg/browse_news/browse_news_washingtonpost
  Change       : 15.41% | 7177645.77778 -> 8283801.33333

Revision                                       Result                  N
android-chrome@69f49f60d3                      7177646 +- 618504       9       good
android-chrome@7d0d23dd67                      7269839 +- 656619       14      good
android-chrome@5528089a35                      7310259 +- 648656       14      good
android-chrome@5528089a35,chromium@554712      7155452 +- 608450       9       good
android-chrome@5528089a35,chromium@554713      8276552 +- 148311       9       bad       <--
android-chrome@5528089a35,chromium@554714      8211966 +- 124125       14      bad
android-chrome@1ba3a921cc                      8219539 +- 81936.0      14      bad
android-chrome@4727a640e1                      8283801 +- 135288       9       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=browse.news.washingtonpost 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/8946561670330099728


For feedback, file a bug with component Speed>Bisection

The assigned owner "mikhail.pozdnyakov@intel.com" is not able to receive e-mails, please re-triage.

For more details visit https://www.chromium.org/issue-tracking/autotriage - Your friendly Sheriffbot