All graphs for this bug:
  https://chromeperf.appspot.com/group_report?bug_id=595516

Original alerts at time of bug-filing:
  https://chromeperf.appspot.com/group_report?keys=agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgICgwI6GsgoM


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

chromium-rel-mac-retina

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


===== SUSPECTED CL(s) =====
Subject : Temporarily disable IOSurface Canvas2D.
Author  : erikchen
Commit description:
  
There are compositing issues when both a Canvas2D and WebGL canvas are present
on a page.

BUG= 595063 

Review URL: https://codereview.chromium.org/1804143003

Cr-Commit-Position: refs/heads/master@{#381315}
Commit  : a3a0a383e8f185c4dd44fc4c2f4126b783a7f259
Date    : Tue Mar 15 21:13:19 2016


===== TESTED REVISIONS =====
Revision                Mean Value  Std. Dev.   Num Values  Good?
chromium@381302         177.625     1.407886    8           good
chromium@381310         177.25      1.752549    8           good
chromium@381314         175.25      6.386369    8           good
chromium@381315         221.0       8.455767    5           bad
chromium@381316         225.8       0.83666     5           bad
chromium@381317         225.2       2.774887    5           bad
chromium@381332         226.875     2.03101     8           bad

Bisect job ran on: mac_retina_perf_bisect
Bug ID: 595516

Test Command: src/tools/perf/run_benchmark -v --browser=release --output-format=chartjson --also-run-disabled-tests media.tough_video_cases
Test Metric: idle_wakeups_gpu/idle_wakeups_gpu
Relative Change: 27.19%
Score: 99.9

Buildbot stdio: http://build.chromium.org/p/tryserver.chromium.perf/builders/mac_retina_perf_bisect/builds/1212
Job details: https://chromeperf.appspot.com/buildbucket_job_status/9017986524897714720


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| / \ | file a bug with label Cr-Tests-AutoBisect.  Thank you!