All graphs for this bug:
  https://chromeperf.appspot.com/group_report?bug_id=691640

Original alerts at time of bug-filing:
  https://chromeperf.appspot.com/group_report?keys=agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDg2ISgsAoM


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

chromium-rel-win7-gpu-nvidia

Started bisect job https://chromeperf.appspot.com/buildbucket_job_status/8987750209787122720

Note: not only the has regressed but the stddev is much larger too.

/cc junov@ who is the benchmark owner.

junov@: the regression range is pretty small and includes a skia roll. You may be able to figure out the culprit just by looking at that range. But I have started a bisect anyways.

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

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


=== BISECT JOB RESULTS ===
Perf regression found with culprit

Suspected Commit
  Author : junov
  Commit : 2a5eabadc87a335563364fd77061a5d46e05d38a
  Date   : Sat Feb 11 05:05:41 2017
  Subject: Make stream captures work on canvases that are not in the DOM.

Bisect Details
  Configuration: winx64nvidia_perf_bisect
  Benchmark    : blink_perf.canvas
  Metric       : draw-dynamic-webgl-to-hw-accelerated-canvas-2d/draw-dynamic-webgl-to-hw-accelerated-canvas-2d
  Change       : 58.37% | 10358.0736294 -> 4311.59808907

Revision             Result                  N
chromium@449844      10358.1 +- 212.732      6      good
chromium@449845      4259.32 +- 120.451      6      bad       <--
chromium@449846      4320.41 +- 38.8248      6      bad
chromium@449847      4287.69 +- 140.197      6      bad
chromium@449849      4300.02 +- 133.878      6      bad
chromium@449853      4311.6 +- 111.333       6      bad

To Run This Test
  src/tools/perf/run_benchmark -v --browser=release_x64 --output-format=chartjson --upload-results --pageset-repeat=1 --also-run-disabled-tests blink_perf.canvas

Debug Info
  https://chromeperf.appspot.com/buildbucket_job_status/8987750209787122720

Is this bisect wrong?
  https://chromeperf.appspot.com/bad_bisect?try_job_id=5098520563941376


| 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 Speed>Bisection.  Thank you!

Friendly perf sheriff ping, any update on this?

junov: Any update here?

Performance has recovered