All graphs for this bug:
  https://chromeperf.appspot.com/group_report?bug_id=759556

(For debugging:) Original alerts at time of bug-filing:
  https://chromeperf.appspot.com/group_report?sid=89d8db4172c7fc2729c464e4d2984bc7b2dac9ea7e2018cb632b5d5eb4d83c0f


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

android-nexus5X

Started bisect job https://chromeperf.appspot.com/buildbucket_job_status/8970010704378612368

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

Suspected Commit
  Author : Brian White
  Commit : 7662ff8cb53121cd4d8916007d430b36efd45895
  Date   : Thu Aug 24 00:03:13 2017
  Subject: Validate histograms before and after each task on Android.

Bisect Details
  Configuration: android_nexus5X_perf_bisect
  Benchmark    : thread_times.key_silk_cases
  Metric       : thread_IO_cpu_time_per_frame/list_animation_simple.html
  Change       : 25.97% | 1.09208841395 -> 1.37570110193

Revision             Result                    N
chromium@496601      1.09209 +- 0.0517242      6      good
chromium@496863      1.10984 +- 0.0609482      6      good
chromium@496872      1.09838 +- 0.0223058      6      good
chromium@496876      1.09537 +- 0.0472144      6      good
chromium@496877      1.10072 +- 0.0481188      6      good
chromium@496878      1.99651 +- 0.0739774      6      bad       <--
chromium@496880      2.07114 +- 0.264821       6      bad
chromium@496896      2.01009 +- 0.190166       6      bad
chromium@496929      2.00598 +- 0.043062       6      bad
chromium@496994      2.00197 +- 0.072808       6      bad
chromium@497124      2.02281 +- 0.126458       6      bad
chromium@497647      1.3757 +- 0.0663779       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=list.animation.simple.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/8970010704378612368


For feedback, file a bug with component Speed>Bisection