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Issue metadata

Status: WontFix
Owner: ----
Closed: Nov 2017
Cc:
Components:
EstimatedDays: ----
NextAction: ----
OS: ----
Pri: 2
Type: Bug-Regression



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25.1% regression in media.tough_video_cases at 455647:455719

Project Member Reported by liberato@google.com, Mar 10 2017

Issue description

See the link to graphs below.
 

Comment 1 by liberato@google.com, Mar 10 2017

All graphs for this bug:
  https://chromeperf.appspot.com/group_report?bug_id=700556

Original alerts at time of bug-filing:
  https://chromeperf.appspot.com/group_report?keys=agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDg1JP7pQoM


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

chromium-rel-mac-retina
Project Member

Comment 3 by 42576172...@developer.gserviceaccount.com, Mar 11 2017


=== BISECT JOB RESULTS ===
Bisect failed unexpectedly

Bisect was aborted with the following:
  Step('Check bisect finished on revision chromium@455685,v8@fc0691686d.fetch file fc0691686de68b1c5d564496d05ccad9df9e17ad:DEPS') failed with return_code 1


Bisect Details
  Configuration: mac_retina_perf_bisect
  Benchmark    : media.tough_video_cases
  Metric       : cpu_utilization/video.html?src_crowd1080_vp9.webm_canvas_true

Revision                           Result                   N
chromium@455646                    21.2988 +- 1.47351       14      good
chromium@455683                    21.227 +- 1.47544        14      good
chromium@455685                    21.0489 +- 0.991373      14      good
chromium@455685,v8@cce8a1971b      21.3328 +- 0.781137      6       good
chromium@455685,v8@fc0691686d      21.1715 +- 0.822422      9       good
chromium@455686                    20.0915 +- 5.19456       14      bad
chromium@455688                    20.7062 +- 0.878285      9       bad
chromium@455692                    20.8834 +- 1.64661       21      bad
chromium@455702                    20.7575 +- 1.00107       14      bad
chromium@455719                    20.6859 +- 2.23227       14      bad

To Run This Test
  src/tools/perf/run_benchmark -v --browser=release --output-format=chartjson --upload-results --pageset-repeat=1 --also-run-disabled-tests --story-filter=video.html.src.crowd1080.vp9.webm.canvas.true media.tough_video_cases

Debug Info
  https://chromeperf.appspot.com/buildbucket_job_status/8985467912444310288

Is this bisect wrong?
  https://chromeperf.appspot.com/bad_bisect?try_job_id=5711086910701568


| 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!
Project Member

Comment 5 by sheriffbot@chromium.org, Jul 25 2017

Labels: Hotlist-Google
Components: Internals>Media
Status: WontFix (was: Untriaged)
no bisect, closing as WontFix.

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