All graphs for this bug:
  https://chromeperf.appspot.com/group_report?bug_id=800099

(For debugging:) Original alerts at time of bug-filing:
  https://chromeperf.appspot.com/group_report?sid=cceac5bb9283b469ebcd362eea27d96d6f7e66d9699ca7e73eaeb2f36f8b5b1f


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

android-nexus5
android-nexus5X
android-one
android-webview-nexus5X
chromium-rel-win8-dual

Started bisect job https://chromeperf.appspot.com/buildbucket_job_status/8957930807797890544

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

Suspected Commit
  Author : George Burgess IV
  Commit : 274d75742451914f74bbad40c405da7f902dd232
  Date   : Wed Jan 03 23:22:46 2018
  Subject: Turn on AFDO for Chromium on Android

Bisect Details
  Configuration: android_one_perf_bisect
  Benchmark    : blink_perf.dom
  Metric       : move-up-with-hidden-elements/move-up-with-hidden-elements
  Change       : 27.10% | 4.93 -> 6.26583333333

Revision             Result                   N
chromium@526855      4.93 +- 0.304132         6      good
chromium@526857      5.03583 +- 0.380398      6      good
chromium@526858      6.2205 +- 0.47381        6      bad       <--
chromium@526861      6.26017 +- 0.392926      6      bad
chromium@526866      6.21933 +- 0.325885      6      bad
chromium@526877      6.28067 +- 0.441499      6      bad
chromium@526899      6.37183 +- 0.873295      6      bad
chromium@526942      6.26583 +- 0.143565      6      bad

Please refer to the following doc on diagnosing blink_perf regressions:
  https://chromium.googlesource.com/chromium/src/+/master/docs/speed/benchmark_harnesses/blink_perf.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 blink_perf.dom

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

Debug information about this bisect:
  https://chromeperf.appspot.com/buildbucket_job_status/8957930807797890544


For feedback, file a bug with component Speed>Bisection