All graphs for this bug:
  https://chromeperf.appspot.com/group_report?bug_id=773734

(For debugging:) Original alerts at time of bug-filing:
  https://chromeperf.appspot.com/group_report?sid=7ba231f604190f8779ff9970a6bd3a877e8605997f734d04f52c6dfd2e4dae2f


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

android-nexus5

Started bisect job https://chromeperf.appspot.com/buildbucket_job_status/8966013723677134384

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

Suspected Commit
  Author : Yuri Wiitala
  Commit : 081f9dcc223a535202a52c351392514ad5635650
  Date   : Fri Oct 06 23:50:16 2017
  Subject: Add scaling capability to CopyOutputRequests. (Part 2 of 2)

Bisect Details
  Configuration: android_nexus5_perf_bisect
  Benchmark    : system_health.memory_mobile
  Metric       : memory:chrome:all_processes:reported_by_os:gpu_memory:proportional_resident_size_avg/long_running_tools/long_running_tools_gmail-background
  Change       : 11.85% | 61021525.3333 -> 68250610.6144

Revision             Result                   N
chromium@507175      61021525 +- 519543       6      good
chromium@507208      61032455 +- 586217       6      good
chromium@507225      61021519 +- 603558       6      good
chromium@507229      61065223 +- 598925       6      good
chromium@507231      60987151 +- 369209       6      good
chromium@507232      68261507 +- 59848.0      6      bad       <--
chromium@507233      68392612 +- 574443       6      bad
chromium@507241      68250611 +- 67.5941      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=long.running.tools.gmail.background 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/8966013723677134384


For feedback, file a bug with component Speed>Bisection