All graphs for this bug:
  https://chromeperf.appspot.com/group_report?bug_id=759048

(For debugging:) Original alerts at time of bug-filing:
  https://chromeperf.appspot.com/group_report?sid=8292be77e2c4d19ec3b24319c08a101255f33d25783656e460166e8bde5ba8e3


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

android-nexus7v2

Started bisect job https://chromeperf.appspot.com/buildbucket_job_status/8970273722033849504

=== 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_nexus7_perf_bisect
  Benchmark    : scheduler.tough_scheduling_cases
  Metric       : queueing_durations/simple_text_page.html
  Change       : 56.55% | 0.457735231364 -> 0.716577669537

Revision             Result                     N
chromium@496667      0.457735 +- 0.163911       6      good
chromium@496809      0.456953 +- 0.0742993      6      good
chromium@496845      0.468665 +- 0.137555       6      good
chromium@496863      0.486947 +- 0.130273       6      good
chromium@496872      0.484296 +- 0.134788       6      good
chromium@496876      0.503934 +- 0.130532       6      good
chromium@496877      0.429101 +- 0.112408       6      good
chromium@496878      0.681181 +- 0.0462352      6      bad       <--
chromium@496880      0.711998 +- 0.129084       6      bad
chromium@496950      0.716578 +- 0.115757       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=simple.text.page.html scheduler.tough_scheduling_cases

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

Debug information about this bisect:
  https://chromeperf.appspot.com/buildbucket_job_status/8970273722033849504


For feedback, file a bug with component Speed>Bisection