All graphs for this bug:
  https://chromeperf.appspot.com/group_report?bug_id=740538

(For debugging:) Original alerts at time of bug-filing:
  https://chromeperf.appspot.com/group_report?sid=a056376513ac910b4bc10bce4eea5a65867613bf700171362fab91623cc2ac9f


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

android-one

Started bisect job https://chromeperf.appspot.com/buildbucket_job_status/8974450408817220192

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

Suspected Commit
  Author : Yutaka Hirano
  Commit : 84047549ac37bab70d7306566c912e59131f3e1f
  Date   : Mon Jun 19 04:16:15 2017
  Subject: [Loading] Save one post-task when the data pipe is ready on arrival

Bisect Details
  Configuration: android_one_perf_bisect
  Benchmark    : system_health.common_mobile
  Metric       : timeToFirstMeaningfulPaint_avg/load_news/load_news_wikipedia
  Change       : 21.70% | 2057.39088889 -> 1617.27277778

Revision             Result                  N
chromium@480312      2057.39 +- 441.374      9      good
chromium@480330      1979.37 +- 341.32       9      good
chromium@480339      2040.45 +- 380.635      6      good
chromium@480341      2026.49 +- 360.812      6      good
chromium@480342      1574.7 +- 273.195       6      bad       <--
chromium@480344      1574.6 +- 331.529       6      bad
chromium@480348      1617.27 +- 447.198      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=load.news.wikipedia 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/8974450408817220192


For feedback, file a bug with component Speed>Bisection