All graphs for this bug:
  https://chromeperf.appspot.com/group_report?bug_id=758976

(For debugging:) Original alerts at time of bug-filing:
  https://chromeperf.appspot.com/group_report?sid=e45d1fbf9fc615b93ad18ecdbfa90369f861fbec3507d648c9356ffd860e270d


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

android-nexus7v2

Started bisect job https://chromeperf.appspot.com/buildbucket_job_status/8970285161730186640

=== 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    : smoothness.gpu_rasterization.top_25_smooth
  Metric       : input_event_latency_discrepancy/http___games.yahoo.com
  Change       : 145.41% | 267.571216667 -> 656.635433333

Revision             Result                  N
chromium@496667      267.571 +- 73.0345      6      good
chromium@496809      290.819 +- 81.4119      6      good
chromium@496845      285.627 +- 73.4368      6      good
chromium@496863      308.57 +- 127.129       6      good
chromium@496872      253.918 +- 193.839      6      good
chromium@496876      231.503 +- 157.131      6      good
chromium@496877      231.809 +- 60.4552      6      good
chromium@496878      646.522 +- 232.793      6      bad       <--
chromium@496880      622.262 +- 169.633      6      bad
chromium@496950      656.635 +- 138.073      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=http...games.yahoo.com smoothness.gpu_rasterization.top_25_smooth

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

Debug information about this bisect:
  https://chromeperf.appspot.com/buildbucket_job_status/8970285161730186640


For feedback, file a bug with component Speed>Bisection