All graphs for this bug:
  https://chromeperf.appspot.com/group_report?bug_id=673301

Original alerts at time of bug-filing:
  https://chromeperf.appspot.com/group_report?keys=agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgICgl6iDuQsM


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

android-nexus9

Started bisect job https://chromeperf.appspot.com/buildbucket_job_status/8993478512233930128

Forked from https://bugs.chromium.org/p/chromium/issues/detail?id=671994#c14

=== PERF REGRESSION ===


=== Auto-CCing suspected CL author ccameron@chromium.org ===

Hi ccameron@chromium.org, the bisect results pointed to your CL, please take a look at the
results.


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


===== SUSPECTED CL(s) =====
Subject : Add command buffer support for GL_EXT_texture_sRGB_decode
Author  : ccameron
Commit description:
  
Direct re-land of crrev.com/435666

TBR=zmo
BUG=655247
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/2560563002
Cr-Commit-Position: refs/heads/master@{#436742}
Commit  : 76bcf5b2adbf1f6321280e1bad91e443b8b43d2c
Date    : Tue Dec 06 21:44:30 2016


===== TESTED REVISIONS =====
Revision         Mean     Std Dev  N   Good?
chromium@436719  313.841  35.6071  25  good
chromium@436736  312.237  36.1251  30  good
chromium@436741  308.079  69.1012  25  good
chromium@436742  23.3153  2.48398  30  bad    <--
chromium@436743  23.3772  2.20897  30  bad
chromium@436745  23.5165  2.63178  30  bad
chromium@436753  23.443   2.89947  30  bad

Bisect job ran on: android_nexus9_perf_bisect
Bug ID: 671994

Test Command: src/tools/perf/run_benchmark -v --browser=android-chromium --output-format=chartjson --upload-results --pageset-repeat=1 --also-run-disabled-tests blink_perf.canvas
Test Metric: putImageData/putImageData
Relative Change: 92.53%

Buildbot stdio: http://build.chromium.org/p/tryserver.chromium.perf/builders/android_nexus9_perf_bisect/builds/2320
Job details: https://chromeperf.appspot.com/buildbucket_job_status/8993492219285197440


Not what you expected? We'll investigate and get back to you!
  https://chromeperf.appspot.com/bad_bisect?try_job_id=5842499157884928

| 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!

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


===== SUSPECTED CL(s) =====
Subject : Add command buffer support for GL_EXT_texture_sRGB_decode
Author  : ccameron
Commit description:
  
Direct re-land of crrev.com/435666

TBR=zmo
BUG=655247
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/2560563002
Cr-Commit-Position: refs/heads/master@{#436742}
Commit  : 76bcf5b2adbf1f6321280e1bad91e443b8b43d2c
Date    : Tue Dec 06 21:44:30 2016


===== TESTED REVISIONS =====
Revision         Mean     Std Dev  N   Good?
chromium@436719  313.056  42.9343  30  good
chromium@436736  317.011  44.9688  30  good
chromium@436741  315.316  48.3715  30  good
chromium@436742  23.3604  2.15674  30  bad    <--
chromium@436743  23.3425  2.70375  30  bad
chromium@436745  23.5698  2.30391  30  bad
chromium@436753  23.4277  2.91904  30  bad

Bisect job ran on: android_nexus9_perf_bisect
Bug ID: 673301

Test Command: src/tools/perf/run_benchmark -v --browser=android-chromium --output-format=chartjson --upload-results --pageset-repeat=1 --also-run-disabled-tests blink_perf.canvas
Test Metric: putImageData/putImageData
Relative Change: 92.52%

Buildbot stdio: http://build.chromium.org/p/tryserver.chromium.perf/builders/android_nexus9_perf_bisect/builds/2321
Job details: https://chromeperf.appspot.com/buildbucket_job_status/8993478512233930128


Not what you expected? We'll investigate and get back to you!
  https://chromeperf.appspot.com/bad_bisect?try_job_id=5855097236488192

| 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!

This only happened on N9s. We just turned them down. WontFix.