All graphs for this bug:
  https://chromeperf.appspot.com/group_report?bug_id=758960

(For debugging:) Original alerts at time of bug-filing:
  https://chromeperf.appspot.com/group_report?sid=17441b2b7f33de94db75d7d2d20c1aaa593c094450b0c4f16f439ba440cb10eb


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

android-nexus7v2

Started bisect job https://chromeperf.appspot.com/buildbucket_job_status/8970286696088345616

=== 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    : system_health.common_mobile
  Metric       : cpu_time_percentage_avg/browse_news/browse_news_washingtonpost
  Change       : 53.94% | 0.731478563276 -> 1.12302148024

Revision             Result                      N
chromium@496667      0.731479 +- 0.0213185       9      good
chromium@496809      0.749666 +- 0.0164018       7      good
chromium@496845      0.743846 +- 0.00528683      6      good
chromium@496863      0.746011 +- 0.016079        6      good
chromium@496872      0.740452 +- 0.0155379       6      good
chromium@496876      0.741409 +- 0.00992135      6      good
chromium@496877      0.742528 +- 0.00825394      6      good
chromium@496878      1.12489 +- 0.0154294        6      bad       <--
chromium@496880      1.13213 +- 0.0153659        6      bad
chromium@496950      1.12302 +- 0.0232657        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=browse.news.washingtonpost system_health.common_mobile

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

Debug information about this bisect:
  https://chromeperf.appspot.com/buildbucket_job_status/8970286696088345616


For feedback, file a bug with component Speed>Bisection