All graphs for this bug:
  https://chromeperf.appspot.com/group_report?bug_id=740539

(For debugging:) Original alerts at time of bug-filing:
  https://chromeperf.appspot.com/group_report?sid=b080c8a6eb438a61924df1fa8cf33490438e0cc712931088f519cb7af5820d04


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

android-one

Started bisect job https://chromeperf.appspot.com/buildbucket_job_status/8974450393172481408

=== 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       : timeToFirstContentfulPaint_avg/load_news/load_news_wikipedia
  Change       : 12.32% | 2353.17755556 -> 2063.20066667

Revision             Result                  N
chromium@480312      2353.18 +- 359.984      9       good
chromium@480330      2288.41 +- 598.603      14      good
chromium@480339      2232.14 +- 440.538      9       good
chromium@480341      2298.59 +- 276.614      6       good
chromium@480342      1865.82 +- 417.334      6       bad       <--
chromium@480344      1798.77 +- 376.455      6       bad
chromium@480348      2063.2 +- 1534.75       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/8974450393172481408


For feedback, file a bug with component Speed>Bisection