All graphs for this bug:
  https://chromeperf.appspot.com/group_report?bug_id=766558

(For debugging:) Original alerts at time of bug-filing:
  https://chromeperf.appspot.com/group_report?sid=aed4bf4b38402d55fe4901e9a86d2b311c28aa1d6d5ab1ac686784ec8e51b1d5


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

android-webview-nexus5X

Started bisect job https://chromeperf.appspot.com/buildbucket_job_status/8968030652279227504

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

Suspected Commit
  Author : Nate Fischer
  Commit : dbc2bb9217483a8ceac23cd41bb8dcc7453c8f4b
  Date   : Fri Sep 15 01:14:47 2017
  Subject: AW: enable PlzNavigate via CLI switch

Bisect Details
  Configuration: android_webview_arm64_aosp_perf_bisect
  Benchmark    : thread_times.key_idle_power_cases
  Metric       : tasks_per_second_total_all/blank.html
  Change       : 9.62% | 3.12897998806 -> 3.41173421758

Revision             Result                   N
chromium@502109      3.12898 +- 0.255514      9       good
chromium@502116      3.1312 +- 0.4099         14      good
chromium@502120      3.14016 +- 0.301098      9       good
chromium@502121      3.28445 +- 0.276152      14      bad       <--
chromium@502122      3.33411 +- 0.377751      9       bad
chromium@502123      3.27904 +- 0.234849      9       bad
chromium@502137      3.32907 +- 0.259911      6       bad
chromium@502164      3.41173 +- 0.229423      6       bad

To Run This Test
  src/tools/perf/run_benchmark -v --browser=android-webview --output-format=chartjson --upload-results --pageset-repeat=1 --also-run-disabled-tests --story-filter=blank.html thread_times.key_idle_power_cases

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

Debug information about this bisect:
  https://chromeperf.appspot.com/buildbucket_job_status/8968030652279227504


For feedback, file a bug with component Speed>Bisection