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Issue metadata

Status: Duplicate
Merged: issue 711496
Owner: ----
Closed: Apr 2017
Cc:
EstimatedDays: ----
NextAction: ----
OS: ----
Pri: 2
Type: Bug-Regression



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10.3% regression in media.android.tough_video_cases_tbmv2 at 464234:464322

Project Member Reported by alexclarke@chromium.org, Apr 19 2017

Issue description

See the link to graphs below.
 
All graphs for this bug:
  https://chromeperf.appspot.com/group_report?bug_id=713111

Original alerts at time of bug-filing:
  https://chromeperf.appspot.com/group_report?keys=agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDggqL42ggM


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

android-nexus5X
Project Member

Comment 3 by 42576172...@developer.gserviceaccount.com, Apr 19 2017

Mergedinto: 711496
Status: Duplicate (was: Untriaged)

=== 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_nexus5X_perf_bisect
  Benchmark    : media.android.tough_video_cases_tbmv2
  Metric       : cpu_time_percentage_avg/video.html?src_tulip2.mp4_canvas_true
  Change       : 16.38% | 1.03664391664 -> 1.20645783711

Revision             Result                    N
chromium@464233      1.03664 +- 0.0360856      6      good
chromium@464278      1.03326 +- 0.0178227      6      good
chromium@464284      1.05157 +- 0.0543633      6      good
chromium@464287      1.05425 +- 0.0615362      6      good
chromium@464288      1.20164 +- 0.0898013      6      bad       <--
chromium@464289      1.18279 +- 0.0641567      6      bad
chromium@464300      1.20754 +- 0.0737797      6      bad
chromium@464322      1.20646 +- 0.0720146      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 --story-filter=video.html.src.tulip2.mp4.canvas.true media.android.tough_video_cases_tbmv2

Debug Info
  https://chromeperf.appspot.com/buildbucket_job_status/8981888092916514288

Is this bisect wrong?
  https://chromeperf.appspot.com/bad_bisect?try_job_id=5346569173336064


| 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!

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