All graphs for this bug:
  https://chromeperf.appspot.com/group_report?bug_id=657196

Original alerts at time of bug-filing:
  https://chromeperf.appspot.com/group_report?keys=agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgICg1ZqppgoM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgICgle6fqgoM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgICgleespQkM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgICgpeuoiAkM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgICg5YOd5QkM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgICg5Y3erwoM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgICglZyo8ggM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgICgpd_GiwgM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgICg5e707wkM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgICg5Z-Q_QoM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgICgpf3ezQgM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgICg5YOd5QoM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgICg5e707woM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgICg5fX7qwkM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgICg5fX7qwoM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgICg5bvD4QgM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgICglfz2vwoM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgICgleXjrAoM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgICgldb7qAoM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgICg5fP9qAoM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgICglcCrtwoM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgICgldqgogoM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgICglfySrgoM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgICglZq7vQoM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgICg5cmcqwoM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgICglaq2vAkM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgICg5f-mtgkM


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/8998420961582215840

Started bisect job https://chromeperf.appspot.com/buildbucket_job_status/8998420937493770928

Bisect failed: http://build.chromium.org/p/tryserver.chromium.perf/builders/winx64_zen_perf_bisect/builds/561
Failure reason: the build has failed due to infrastructure failure.

Bisect failed: http://build.chromium.org/p/tryserver.chromium.perf/builders/mac_retina_perf_bisect/builds/1748
Failure reason: the build has failed.
Additional errors:
The metric was not found in the test output.
Either of the initial "good" or "bad" revisions failed to be tested or built.

Started bisect job https://chromeperf.appspot.com/buildbucket_job_status/8998342245886108944

Started bisect job https://chromeperf.appspot.com/buildbucket_job_status/8998342228574907440

Bisect failed: http://build.chromium.org/p/tryserver.chromium.perf/builders/winx64nvidia_perf_bisect/builds/1926
Failure reason: the build has failed.
Additional errors:
The metric was not found in the test output.
Either of the initial "good" or "bad" revisions failed to be tested or built.

===== 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@421643  17.0508  0.824839  5  good
chromium@421666  17.5372  0.872939  5  good
chromium@421669  16.5438  1.28692   5  good
chromium@421670  24.753   6.31864   5  bad    <--
chromium@421671  21.8296  0.651691  5  bad
chromium@421672  21.8872  0.725026  5  bad
chromium@421677  22.3628  0.304442  5  bad
chromium@421688  24.767   5.34877   5  bad

Bisect job ran on: mac_retina_perf_bisect
Bug ID: 657196

Test Command: src/tools/perf/run_benchmark -v --browser=release --output-format=chartjson --upload-results --pageset-repeat=1 --also-run-disabled-tests --story-filter=Facebook smoothness.top_25_smooth
Test Metric: mean_input_event_latency/Facebook
Relative Change: 45.25%
Score: 99.9

Buildbot stdio: http://build.chromium.org/p/tryserver.chromium.perf/builders/mac_retina_perf_bisect/builds/1757
Job details: https://chromeperf.appspot.com/buildbucket_job_status/8998342228574907440


Not what you expected? We'll investigate and get back to you!
  https://chromeperf.appspot.com/bad_bisect?try_job_id=5316158108991488

| 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!

Started bisect job https://chromeperf.appspot.com/buildbucket_job_status/8982615987971822912

Started bisect job https://chromeperf.appspot.com/buildbucket_job_status/8982592462190771424