All graphs for this bug:
  https://chromeperf.appspot.com/group_report?bug_id=651809

Original alerts at time of bug-filing:
  https://chromeperf.appspot.com/group_report?keys=agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgICg5Z-M4gkM


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

chromium-rel-mac-retina

Started bisect job https://chromeperf.appspot.com/buildbucket_job_status/9000093485163258400

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


=== Bisection aborted ===
The bisect was aborted because The metric values for the initial "good" and "bad" revisions do not represent a clear regression.
Please contact the the team (see below) if you believe this is in error.

=== Warnings ===
The following warnings were raised by the bisect job:

 * Bisect failed to reproduce the regression with enough confidence.

===== TESTED REVISIONS =====
Revision         Mean     Std Dev  N   Good?
chromium@421688  31.5257  5.01479  18  good
chromium@421734  31.2313  3.01064  18  bad

Bisect job ran on: mac_retina_perf_bisect
Bug ID: 651809

Test Command: src/tools/perf/run_benchmark -v --browser=release --output-format=chartjson --upload-results --also-run-disabled-tests smoothness.top_25_smooth
Test Metric: mean_input_event_latency/Weather.com
Relative Change: 9.99%
Score: 0

Buildbot stdio: http://build.chromium.org/p/tryserver.chromium.perf/builders/mac_retina_perf_bisect/builds/1704
Job details: https://chromeperf.appspot.com/buildbucket_job_status/9000093485163258400


Not what you expected? We'll investigate and get back to you!
  https://chromeperf.appspot.com/bad_bisect?try_job_id=4922186412851200

| 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/8999815898760148784

Kicked new bisect.  Several of the graphs were just returning to previous levels so may be closed if nothing clear jumps out.

===== 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@421636  10.8542  1.66956   5  good
chromium@421653  11.12    1.14602   5  good
chromium@421662  11.0636  1.68363   5  good
chromium@421666  10.2716  0.838711  5  good
chromium@421668  10.216   0.376747  5  good
chromium@421669  12.19    0.626007  5  good
chromium@421670  28.2732  3.16172   5  bad    <--
chromium@421703  29.6634  1.6668    5  bad

Bisect job ran on: mac_hdd_perf_bisect
Bug ID: 651809

Test Command: src/tools/perf/run_benchmark -v --browser=release --output-format=chartjson --upload-results --also-run-disabled-tests smoothness.top_25_smooth
Test Metric: mean_input_event_latency/Blogger
Relative Change: 173.29%
Score: 99.9

Buildbot stdio: http://build.chromium.org/p/tryserver.chromium.perf/builders/mac_hdd_perf_bisect/builds/831
Job details: https://chromeperf.appspot.com/buildbucket_job_status/8999815898760148784


Not what you expected? We'll investigate and get back to you!
  https://chromeperf.appspot.com/bad_bisect?try_job_id=5859226239369216

| 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!