All graphs for this bug:
  https://chromeperf.appspot.com/group_report?bug_id=850401

(For debugging:) Original alerts at time of bug-filing:
  https://chromeperf.appspot.com/group_report?sid=146405b5cd54ef3c2660cb8b4c51ac8617fce72d34b32e9926c923b58018ba42


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

health-plan-clankium-low-end-phone
perf-go-phone-1024
perf-go-phone-512

Started bisect job https://chromeperf.appspot.com/buildbucket_job_status/8944399897130148800

=== BISECT JOB RESULTS ===
Bisect was unable to run to completion

Error: TIMEOUT

The bisect was able to narrow the range, you can try running with:
  good_revision: 722d4fc08892853358878a612b91d1025bda2105
  bad_revision : 4c136b3e1c68e1d47550e48ba9031696e37198d6

If failures persist contact the team (see below) and report the error.


Bisect Details
  Configuration: clankium-low-end-phone-perf-bisect
  Benchmark    : system_health.memory_mobile
  Metric       : memory:chrome:all_processes:reported_by_chrome:v8:effective_size_avg/load_media/load_media_facebook_photos
  Change       : 6.99% | 3297071.55556 -> 3527635.11111

Revision                       Result                  N
android-chrome@3e8ad5c58a      3297072 +- 17821.5      9      good
android-chrome@722d4fc088      3300370 +- 12471.6      9      good
android-chrome@4c136b3e1c      3527635 +- 154986       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=load.media.facebook.photos 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/8944399897130148800


For feedback, file a bug with component Speed>Bisection

Tracked in issue 850402.