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Issue 629338 link

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Issue metadata

Status: WontFix
Owner:
Closed: Jul 2016
Cc:
EstimatedDays: ----
NextAction: ----
OS: ----
Pri: 2
Type: Bug-Regression



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6.9%-27% regression in power.trivial_pages at 405173:405209

Project Member Reported by m...@chromium.org, Jul 18 2016

Issue description

See the link to graphs below.
 

Comment 1 by m...@chromium.org, Jul 18 2016

All graphs for this bug:
  https://chromeperf.appspot.com/group_report?bug_id=629338

Original alerts at time of bug-filing:
  https://chromeperf.appspot.com/group_report?keys=agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgICg8rb9hAoM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgICg8umQ4wgM


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

chromium-rel-mac10
chromium-rel-mac11
Project Member

Comment 3 by 42576172...@developer.gserviceaccount.com, Jul 19 2016

Cc: erikc...@chromium.org
Owner: erikc...@chromium.org

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

Hi erikchen@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 : mac: Add WebGL power test
Author  : erikchen
Commit description:
  
The test is exceedingly simple. It uses requestAnimationFrame and WebGL APIs
to animate the background color of the page.

BUG= 616811 

Review-Url: https://codereview.chromium.org/2143523002
Cr-Commit-Position: refs/heads/master@{#405182}
Commit  : ad659671899c8629433fc7904e109ab34f15eafd
Date    : Wed Jul 13 16:28:21 2016


===== TESTED REVISIONS =====
Revision         Mean    Std Dev  N  Good?
chromium@405179  3687.0  13.7113  5  good
chromium@405181  3628.2  33.2521  5  good
chromium@405182  4254.0  110.975  5  bad    <--
chromium@405185  4227.8  101.93   5  bad
chromium@405190  4269.0  121.953  5  bad
chromium@405201  4234.0  89.3784  5  bad

Bisect job ran on: mac_10_11_perf_bisect
Bug ID: 629338

Test Command: src/tools/perf/run_benchmark -v --browser=release --output-format=chartjson --upload-results --also-run-disabled-tests power.trivial_pages
Test Metric: idle_wakeups_total/idle_wakeups_total
Relative Change: 14.84%
Score: 99.9

Buildbot stdio: http://build.chromium.org/p/tryserver.chromium.perf/builders/mac_10_11_perf_bisect/builds/747
Job details: https://chromeperf.appspot.com/buildbucket_job_status/9006754967430933744


Not what you expected? We'll investigate and get back to you!
  https://chromeperf.appspot.com/bad_bisect?try_job_id=5823347871449088

| 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!
Status: WontFix (was: Assigned)
Expected, as I added more pages to the test suite.

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