All graphs for this bug:
  https://chromeperf.appspot.com/group_report?bug_id=792026

(For debugging:) Original alerts at time of bug-filing:
  https://chromeperf.appspot.com/group_report?sid=943a79f55780ea034200b91e29081e5def91a2ac65ec2e691f3226065d77a10c


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

android-nexus5

Started bisect job https://chromeperf.appspot.com/buildbucket_job_status/8961037558687873408

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

Suspected Commit
  Author : Alexander Timin
  Commit : 8f338a43482e0d68ff895d83aec7a360a2ccbc3d
  Date   : Mon Nov 27 14:48:53 2017
  Subject: [scheduler] Replace TaskQueueManagerDelegate with ThreadController.

Bisect Details
  Configuration: android_nexus5_perf_bisect
  Benchmark    : thread_times.key_silk_cases
  Metric       : thread_renderer_compositor_cpu_time_per_frame/silk_finance.html
  Change       : 1.85% | 2.54018390645 -> 2.58716953871

Revision             Result                    N
chromium@519238      2.54018 +- 0.014981       6      good
chromium@519275      2.5326 +- 0.0357922       6      good
chromium@519294      2.54007 +- 0.0394927      6      good
chromium@519297      2.54523 +- 0.0254454      6      good
chromium@519298      2.59705 +- 0.0332382      6      bad       <--
chromium@519299      2.59992 +- 0.0357601      6      bad
chromium@519303      2.5887 +- 0.00952055      6      bad
chromium@519312      2.58717 +- 0.0246915      6      bad

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=silk.finance.html thread_times.key_silk_cases

More information on addressing performance regressions:
  http://g.co/ChromePerformanceRegressions

Debug information about this bisect:
  https://chromeperf.appspot.com/buildbucket_job_status/8961037558687873408


For feedback, file a bug with component Speed>Bisection