New issue
Advanced search Search tips
Note: Color blocks (like or ) mean that a user may not be available. Tooltip shows the reason.

Issue 722918 link

Starred by 1 user

Issue metadata

Status: Duplicate
Merged: issue 722481
Owner: ----
Closed: May 2017
Cc:
EstimatedDays: ----
NextAction: ----
OS: ----
Pri: 2
Type: Bug-Regression



Sign in to add a comment

25% regression in media.android.tough_video_cases at 471272:471298

Project Member Reported by hubbe@google.com, May 16 2017

Issue description

See the link to graphs below.
 

Comment 1 by hubbe@google.com, May 16 2017

All graphs for this bug:
  https://chromeperf.appspot.com/group_report?bug_id=722918

Original alerts at time of bug-filing:
  https://chromeperf.appspot.com/group_report?keys=agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDg6o2I_AkM


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

android-nexus7v2
Project Member

Comment 3 by 42576172...@developer.gserviceaccount.com, May 16 2017


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

Bisect was aborted with the following:
  root


Bisect Details
  Configuration: android_nexus7_perf_bisect
  Benchmark    : media.android.tough_video_cases
  Metric       : vm_shared_dirty_delta/tulip2.wav_gpu

Revision             Result           N
chromium@471271      16.0 +- 0.0      6      good
chromium@471278      16.0 +- 0.0      6      good
chromium@471285      24.0 +- 0.0      6      bad
chromium@471298      24.0 +- 0.0      6      bad

To Run This Test
  src/tools/perf/run_benchmark -v --browser=android-chromium --output-format=chartjson --upload-results --pageset-repeat=1 --also-run-disabled-tests media.android.tough_video_cases

Debug Info
  https://chromeperf.appspot.com/buildbucket_job_status/8979417868812935376

Is this bisect wrong?
  https://chromeperf.appspot.com/bad_bisect?try_job_id=6318244605984768


| 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 42576172...@developer.gserviceaccount.com, May 17 2017

Mergedinto: 722481
Status: Duplicate (was: Untriaged)

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

Suspected Commit
  Author : jl
  Commit : 2a32710d5f0e31cf648120a9724d5c8b0d8e5a88
  Date   : Fri May 12 12:36:29 2017
  Subject: Inherit [Unforgeable] attributes between components

Bisect Details
  Configuration: android_nexus7_perf_bisect
  Benchmark    : media.android.tough_video_cases
  Metric       : vm_shared_dirty_delta/tulip2.wav_gpu
  Change       : 62.50% | 16.0 -> 26.0

Revision             Result                  N
chromium@471271      16.0 +- 0.0             6      good
chromium@471278      16.6667 +- 3.65148      6      good
chromium@471282      17.3333 +- 4.6188       6      good
chromium@471283      16.6667 +- 3.65148      6      good
chromium@471284      24.6667 +- 3.65148      6      bad       <--
chromium@471285      25.3333 +- 4.6188       6      bad
chromium@471298      26.0 +- 4.89898         6      bad

To Run This Test
  src/tools/perf/run_benchmark -v --browser=android-chromium --output-format=chartjson --upload-results --pageset-repeat=1 --also-run-disabled-tests media.android.tough_video_cases

Debug Info
  https://chromeperf.appspot.com/buildbucket_job_status/8979393822837181248

Is this bisect wrong?
  https://chromeperf.appspot.com/bad_bisect?try_job_id=6318244605984768


| 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!

Sign in to add a comment