All graphs for this bug:
  https://chromeperf.appspot.com/group_report?bug_id=762239

(For debugging:) Original alerts at time of bug-filing:
  https://chromeperf.appspot.com/group_report?sid=a6efe0b6276ef3ee97cf9e6e358e321cbb7ebc3a98316671c4a8fe95ca276096


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

android-nexus5

Started bisect job https://chromeperf.appspot.com/buildbucket_job_status/8969253505835689904

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

Suspected Commit
  Author : Timothy Loh
  Commit : 2db3fa641f2b6a05ee894f158a93a419caf3e896
  Date   : Tue Aug 29 03:09:33 2017
  Subject: Prepare tests for enabling modal permission prompts and remove gesture experiment

Bisect Details
  Configuration: android_nexus5_perf_bisect
  Benchmark    : smoothness.pathological_mobile_sites
  Metric       : mean_input_event_latency/http___sports.yahoo.com_
  Change       : 265.63% | 15.5725 -> 59.9056666667

Revision             Result                   N
chromium@497705      15.5725 +- 0.386504      6       good
chromium@497861      15.4863 +- 2.33188       6       good
chromium@497939      16.0077 +- 1.54294       6       good
chromium@497978      16.3992 +- 0.985299      6       good
chromium@497997      16.1928 +- 0.825312      9       good
chromium@498002      16.1592 +- 0.634296      9       good
chromium@498003      15.8628 +- 2.41015       9       good
chromium@498004      59.6915 +- 17.6087       4       bad       <--
chromium@498005      53.6014 +- 11.114        5       bad
chromium@498007      43.6939 +- 71.586        10      bad
chromium@498016      59.9057 +- 54.9041       9       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=http...sports.yahoo.com. smoothness.pathological_mobile_sites

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

Debug information about this bisect:
  https://chromeperf.appspot.com/buildbucket_job_status/8969253505835689904


For feedback, file a bug with component Speed>Bisection