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Issue 652840 link

Starred by 1 user

Issue metadata

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



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8.2%-11.6% regression in media.tough_video_cases_extra at 420862:420863

Project Member Reported by hubbe@chromium.org, Oct 4 2016

Issue description

See the link to graphs below.
 
Cc: recipe-roller@chromium.org
Owner: recipe-roller@chromium.org

=== Auto-CCing suspected CL author recipe-roller@chromium.org ===

Hi recipe-roller@chromium.org, the bisect results pointed to your CL below as possibly
causing a regression. Please have a look at this info and see whether
your CL be related.


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


===== SUSPECTED CL(s) =====
Subject : Roll recipe dependencies (trivial).
Author  : recipe-roller
Commit description:
  
This is an automated CL created by the recipe roller. This CL rolls recipe
changes from upstream projects (e.g. depot_tools) into downstream projects
(e.g. tools/build).

More info is at https://goo.gl/zkKdpD. Use https://goo.gl/noib3a to file a bug
(or complain)

build:
  https://crrev.com/228f477df9eb16879cd93d58d308e5b183e70c7f [blimp] "Blimp Client Android" -> "Blimp Android Client" (jbudorick@chromium.org)

TBR=martiniss@chromium.org,phajdan.jr@chromium.org
BUG= 649693 

Recipe-Tryjob-Bypass-Reason: Autoroller
Bugdroid-Send-Email: False
Review-Url: https://codereview.chromium.org/2370643003
Cr-Commit-Position: refs/heads/master@{#420862}
Commit  : 81f3e22f88547b7ceaf09015ceec7d48914e6cfe
Date    : Sun Sep 25 17:03:45 2016


===== TESTED REVISIONS =====
Revision         Mean     Std Dev  N  Good?
chromium@420861  426.228  7.08168  5  good
chromium@420862  472.119  2.04984  5  bad    <--
chromium@420863  476.336  4.67175  5  bad

Bisect job ran on: win_perf_bisect
Bug ID: 652840

Test Command: src/tools/perf/run_benchmark -v --browser=release --output-format=chartjson --upload-results --also-run-disabled-tests media.tough_video_cases_extra
Test Metric: seek/tulip2.webm_seek_cold
Relative Change: 11.76%
Score: 99.9

Buildbot stdio: http://build.chromium.org/p/tryserver.chromium.perf/builders/win_perf_bisect/builds/6968
Job details: https://chromeperf.appspot.com/buildbucket_job_status/8999698401997329248


Not what you expected? We'll investigate and get back to you!
  https://chromeperf.appspot.com/bad_bisect?try_job_id=5212627972653056

| 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!

Comment 4 by hubbe@chromium.org, Oct 4 2016

Cc: -recipe-roller@chromium.org phajdan.jr@chromium.org
Owner: ----
Phajdan, is it possible/likely that this roll impacted performance?

Comment 5 by rbyers@chromium.org, Nov 18 2016

Labels: Performance
Cc: -phajdan.jr@chromium.org
Nope, the recipe roll can't impact performance of the browser.
Labels: -Performance Performance-Sheriff
Status: WontFix (was: Untriaged)
This alert was found before M-60 branched. Closing as WontFix as this is believed to either be invalid or non-reproducible. 

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