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Issue 711496 link

Starred by 2 users

Issue metadata

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



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19.2% regression in media.android.tough_video_cases at 464269:464310

Project Member Reported by crouleau@chromium.org, Apr 13 2017

Issue description

See the link to graphs below.
 
All graphs for this bug:
  https://chromeperf.appspot.com/group_report?bug_id=711496

Original alerts at time of bug-filing:
  https://chromeperf.appspot.com/group_report?keys=agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDg_M-RkAsM


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

android-webview-nexus6
Project Member

Comment 3 by 42576172...@developer.gserviceaccount.com, Apr 15 2017

Cc: crouleau@chromium.org

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

Hi crouleau@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 : crouleau
  Commit : 6a48a45ac9c3138e306f19df0b3fc1974ffe33ec
  Date   : Thu Apr 13 03:55:49 2017
  Subject: Do not play the whole media file before seeking.

Bisect Details
  Configuration: android_webview_nexus6_aosp_perf_bisect
  Benchmark    : media.android.tough_video_cases
  Metric       : cpu_cstate_C0_residency_percent/video.html?src_tulip2.mp4_canvas_true
  Change       : 15.19% | 41.503207946 -> 47.807036756

Revision             Result                   N
chromium@464268      41.5032 +- 0.987848      6      good
chromium@464277      41.4724 +- 0.637474      6      good
chromium@464283      42.4169 +- 0.673228      6      good
chromium@464286      41.6235 +- 1.50352       6      good
chromium@464287      41.959 +- 1.95775        6      good
chromium@464288      47.9655 +- 1.77144       6      bad       <--
chromium@464289      47.7129 +- 3.36794       6      bad
chromium@464310      47.807 +- 3.61211        6      bad

To Run This Test
  src/tools/perf/run_benchmark -v --browser=android-webview --output-format=chartjson --upload-results --pageset-repeat=1 --also-run-disabled-tests --story-filter=video.html.src.tulip2.mp4.canvas.true media.android.tough_video_cases

Debug Info
  https://chromeperf.appspot.com/buildbucket_job_status/8982387241285845872

Is this bisect wrong?
  https://chromeperf.appspot.com/bad_bisect?try_job_id=4622847789498368


| 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 4 by 42576172...@developer.gserviceaccount.com, Apr 15 2017

 Issue 711865  has been merged into this issue.
Project Member

Comment 5 by 42576172...@developer.gserviceaccount.com, Apr 15 2017

 Issue 711869  has been merged into this issue.
Project Member

Comment 6 by 42576172...@developer.gserviceaccount.com, Apr 15 2017

 Issue 711862  has been merged into this issue.
Project Member

Comment 7 by 42576172...@developer.gserviceaccount.com, Apr 16 2017

 Issue 711866  has been merged into this issue.
Project Member

Comment 8 by 42576172...@developer.gserviceaccount.com, Apr 19 2017

Cc: alexclarke@chromium.org
 Issue 713111  has been merged into this issue.
Status: WontFix (was: Assigned)
This is expected since we changed how the test ran a little bit (because it was broken)

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