All graphs for this bug:
  https://chromeperf.appspot.com/group_report?bug_id=727370

Original alerts at time of bug-filing:
  https://chromeperf.appspot.com/group_report?keys=agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDghqHM6ggM


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

chromium-rel-mac11-air

Started bisect job https://chromeperf.appspot.com/buildbucket_job_status/8978240278177872944

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

Suspected Commit
  Author : samans
  Commit : f26257b9ee4b7e722cc05468ceecbcf3f920be22
  Date   : Fri May 26 16:37:45 2017
  Subject: Send BeginFrames for the renderer using Mojo

Bisect Details
  Configuration: mac_air_perf_bisect
  Benchmark    : loading.desktop
  Metric       : timeToFirstContentfulPaint_avg/pcv1-cold/HatenaBookmark
  Change       : 43.66% | 402.98466667 -> 227.02183333

Revision             Result                  N
chromium@474965      402.985 +- 108.099      6      good
chromium@475018      404.699 +- 191.871      9      good
chromium@475025      406.773 +- 125.489      6      good
chromium@475028      392.56 +- 112.943       6      good
chromium@475029      419.891 +- 28.1962      6      good
chromium@475030      233.056 +- 151.07       6      bad       <--
chromium@475031      229.398 +- 92.5059      6      bad
chromium@475044      241.191 +- 218.526      9      bad
chromium@475070      227.022 +- 76.7149      6      bad

To Run This Test
  src/tools/perf/run_benchmark -v --browser=release --output-format=chartjson --upload-results --pageset-repeat=1 --also-run-disabled-tests --story-filter=HatenaBookmark loading.desktop

Debug Info
  https://chromeperf.appspot.com/buildbucket_job_status/8978240278177872944

Is this bisect wrong?
  https://chromeperf.appspot.com/bad_bisect?try_job_id=6469830275760128


| O O | Visit http://www.chromium.org/developers/speed-infra/perf-bug-faq
|  X  | for more information addressing perf regression bugs. For feedback,
| / \ | file a bug with component Speed>Bisection.  Thank you!