All graphs for this bug:
  https://chromeperf.appspot.com/group_report?bug_id=759558

(For debugging:) Original alerts at time of bug-filing:
  https://chromeperf.appspot.com/group_report?sid=f2f22dedf0c3eae58dfc7834b2892748bfe030c7a9ad2bf5ef53f4105077b65e


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

android-nexus5X

Started bisect job https://chromeperf.appspot.com/buildbucket_job_status/8970010601902743824

=== 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_total_fast_path_cpu_time_per_frame/pushState.html
  Change       : 13.04% | 6.3144329605 -> 7.13780480805

Revision             Result                   N
chromium@496601      6.31443 +- 0.194407      6      good
chromium@496863      6.39338 +- 0.288736      6      good
chromium@496872      6.35086 +- 0.227071      6      good
chromium@496876      6.44555 +- 0.316821      6      good
chromium@496877      6.31691 +- 0.303678      6      good
chromium@496878      9.7175 +- 0.790454       6      bad       <--
chromium@496880      9.44226 +- 0.777812      6      bad
chromium@496896      9.40919 +- 0.538882      6      bad
chromium@496929      9.38296 +- 0.367306      6      bad
chromium@496994      9.45062 +- 0.489898      6      bad
chromium@497124      9.66232 +- 0.425303      6      bad
chromium@497647      7.1378 +- 0.399677       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=pushState.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/8970010601902743824


For feedback, file a bug with component Speed>Bisection