All graphs for this bug:
  https://chromeperf.appspot.com/group_report?bug_id=666399

Original alerts at time of bug-filing:
  https://chromeperf.appspot.com/group_report?keys=agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgICgy6zGrwoM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgICgy9HJsgoM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgICgy9HWowoM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgICgi-OurQoM


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

chromium-rel-mac-hdd

Started bisect job https://chromeperf.appspot.com/buildbucket_job_status/8995721983385161888

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


===== SUSPECTED CL(s) =====
Subject : Don't forbid GPU process if WebGL/WebGL2 is disabled on GPU but not browser.
Author  : zmo
Commit description:
  
BUG= 662170 
TEST=media.tough_video_cases,content_unittests
R=kbr@chromium.org
CQ_INCLUDE_TRYBOTS=master.tryserver.chromium.linux:linux_optional_gpu_tests_rel;master.tryserver.chromium.mac:mac_optional_gpu_tests_rel;master.tryserver.chromium.win:win_optional_gpu_tests_rel

Review-Url: https://codereview.chromium.org/2505473002
Cr-Commit-Position: refs/heads/master@{#432073}
Commit  : 5881e9b3bc7c96dc8a0d5ec823078e3b4d80a85c
Date    : Tue Nov 15 03:42:58 2016


===== TESTED REVISIONS =====
Revision         Mean     Std Dev  N    Good?
chromium@431998  1.02202  7.70793  200  good
chromium@432040  1.07929  9.33718  200  good
chromium@432061  1.04275  8.75496  200  good
chromium@432072  1.08495  9.95081  200  good
chromium@432073  3.18315  25.3895  200  bad    <--
chromium@432074  3.18882  25.4255  200  bad
chromium@432075  3.20069  25.4826  200  bad
chromium@432077  3.18116  25.2771  200  bad
chromium@432082  3.19824  25.4125  200  bad

Bisect job ran on: mac_hdd_perf_bisect
Bug ID: 666399

Test Command: src/tools/perf/run_benchmark -v --browser=release --output-format=chartjson --upload-results --pageset-repeat=1 --also-run-disabled-tests thread_times.tough_scrolling_cases
Test Metric: thread_raster_cpu_time_per_frame/thread_raster_cpu_time_per_frame
Relative Change: 212.93%

Buildbot stdio: http://build.chromium.org/p/tryserver.chromium.perf/builders/mac_hdd_perf_bisect/builds/888
Job details: https://chromeperf.appspot.com/buildbucket_job_status/8995721983385161888


Not what you expected? We'll investigate and get back to you!
  https://chromeperf.appspot.com/bad_bisect?try_job_id=5042757498830848

| 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!