All graphs for this bug:
  https://chromeperf.appspot.com/group_report?bug_id=669663

Original alerts at time of bug-filing:
  https://chromeperf.appspot.com/group_report?keys=agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgICgh9rXrgoM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgICgh_6KoAoM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgICgu5_D9QgM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgICgh5zLrwsM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgICgh5zL7wgM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgICgh-zkuAkM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgICgh-yXowkM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgICgh7qIvwoM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgICg--7KvgsM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgICgh8SosAoM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgICgh7qcoQoM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgICg-_uLvAsM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgICgh8LmpwoM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgICgh_7usQoM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgICg-6eWogoM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgICg-6fxswoM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgICgh430uQkM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgICgh_OOvQoM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgICgh4zmsQsM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgICgh7qcoQkM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgICg-6ftqgoM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgICgh_OOvQkM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgICg-6PRoAkM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgICgh7qcoQsM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgICgh7qGsAoM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgICgh8TcqQoM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgICgu_uqtwsM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgICgh5roqAkM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgICg-6e7uwoM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgICgh4zm8QgM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgICgh43TvQoM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgICg-6ftqgkM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgICg-7iArQsM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgICgh8CLtwoM


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

chromium-rel-mac11

Started bisect job https://chromeperf.appspot.com/buildbucket_job_status/8994622926493005920

===== BISECT JOB RESULTS =====
Status: completed


===== SUSPECTED CL(s) =====
Subject : [Mac] Remove NSScreen renderer sandbox warmup.
Author  : rsesek
Commit description:
  
This should no longer be necessary now that the scrollbar animations are
no longer driven by NSAnimation (https://codereview.chromium.org/529103002/).

BUG=306348, 533537 
R=avi@chromium.org

Review-Url: https://codereview.chromium.org/2509273005
Cr-Commit-Position: refs/heads/master@{#434775}
Commit  : 9cf04c9e74a140d91cea9602298cace5b6277a6f
Date    : Mon Nov 28 23:37:44 2016


===== TESTED REVISIONS =====
Revision         Mean     Std Dev  N  Good?
chromium@434720  123.079  39.4998  8  good
chromium@434770  121.508  31.5446  8  good
chromium@434774  121.322  27.4545  8  good
chromium@434775  231.378  32.5119  5  bad    <--
chromium@434776  229.074  31.4673  5  bad
chromium@434777  228.923  28.9777  5  bad
chromium@434783  246.059  105.932  5  bad
chromium@434795  231.619  30.5152  5  bad
chromium@434819  227.084  29.0931  5  bad

Bisect job ran on: mac_10_11_perf_bisect
Bug ID: 669663

Test Command: src/tools/perf/run_benchmark -v --browser=release --output-format=chartjson --upload-results --pageset-repeat=1 --also-run-disabled-tests --story-filter=http...www.flickr.com.search..q.monkeys.f.hp page_cycler_v2.typical_25
Test Metric: timeToFirstContentfulPaint_avg/pcv1-cold/http___www.flickr.com_search_?q_monkeys_f_hp
Relative Change: 84.50%

Buildbot stdio: http://build.chromium.org/p/tryserver.chromium.perf/builders/mac_10_11_perf_bisect/builds/1075
Job details: https://chromeperf.appspot.com/buildbucket_job_status/8994622926493005920


Not what you expected? We'll investigate and get back to you!
  https://chromeperf.appspot.com/bad_bisect?try_job_id=4520935581810688

| 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 Tests>AutoBisect.  Thank you!