All graphs for this bug:
  https://chromeperf.appspot.com/group_report?bug_id=651801

Original alerts at time of bug-filing:
  https://chromeperf.appspot.com/group_report?keys=agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgICg5f-mtgkM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgICglaq2vAkM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgICg5cmcqwoM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgICglZq7vQoM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgICglfySrgoM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgICgldqgogoM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgICglcCrtwoM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgICg5fP9qAoM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgICgldb7qAoM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgICgleXjrAoM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgICglfz2vwoM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgICg5bvD4QgM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgICg5fX7qwoM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgICg5fX7qwkM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgICglYim4wsM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgICg5e707woM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgICg5YOd5QoM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgICg5bO1ugsM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgICgpf3ezQgM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgICg5Z-Q_QoM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgICg5e707wkM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgICgpd_GiwgM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgICglZyo8ggM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgICg5Y3erwoM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgICglczT6gsM


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

chromium-rel-mac-retina
chromium-rel-mac10
chromium-rel-win7-dual
chromium-rel-win7-gpu-nvidia
win-zenbook

Started bisect job https://chromeperf.appspot.com/buildbucket_job_status/9000094048151373024

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


===== SUSPECTED CL(s) =====
Subject : Update fieldtrial_util To Handle Combined Fieldtrial Config Format
Author  : robliao
Commit description:
  
BUG=649363, 650705

Review-Url: https://codereview.chromium.org/2373843002
Cr-Commit-Position: refs/heads/master@{#421670}
Commit  : 8da8200a279fcafc4a7c68f2e6ef95f4d721bb3a
Date    : Wed Sep 28 22:51:09 2016


===== TESTED REVISIONS =====
Revision         Mean     Std Dev   N  Good?
chromium@421657  6.1702   0.603813  5  good
chromium@421668  5.7562   1.7902    5  good
chromium@421669  7.3286   1.50418   5  good
chromium@421670  74.8584  10.2767   5  bad    <--
chromium@421671  89.8228  9.17489   5  bad
chromium@421674  85.1892  9.83339   5  bad
chromium@421679  88.34    6.88131   5  bad

Bisect job ran on: winx64_zen_perf_bisect
Bug ID: 651801

Test Command: src/tools/perf/run_benchmark -v --browser=release_x64 --output-format=chartjson --upload-results --also-run-disabled-tests smoothness.top_25_smooth
Test Metric: first_gesture_scroll_update_latency/https___www.google.com__hl_en_q_barack+obama
Relative Change: 1331.72%
Score: 99.9

Buildbot stdio: http://build.chromium.org/p/tryserver.chromium.perf/builders/winx64_zen_perf_bisect/builds/504
Job details: https://chromeperf.appspot.com/buildbucket_job_status/9000094048151373024


Not what you expected? We'll investigate and get back to you!
  https://chromeperf.appspot.com/bad_bisect?try_job_id=4953961251995648

| 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!