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Issue 779549 link

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Issue metadata

Status: Assigned
Owner:
Cc:
Components:
EstimatedDays: ----
NextAction: ----
OS: ----
Pri: 2
Type: Bug-Regression



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1.8% regression in media.mobile at 511557:511680

Project Member Reported by liberato@google.com, Oct 30 2017

Issue description

See the link to graphs below.
 
Project Member

Comment 1 by 42576172...@developer.gserviceaccount.com, Oct 30 2017

All graphs for this bug:
  https://chromeperf.appspot.com/group_report?bug_id=779549

(For debugging:) Original alerts at time of bug-filing:
  https://chromeperf.appspot.com/group_report?sid=b3a9f58efac0b2804283ae38d24700bd2f2284d6d9fb9b5f55c09a1b05a15a9c


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

android-nexus6
Components: Internals>Media
Project Member

Comment 4 by 42576172...@developer.gserviceaccount.com, Oct 30 2017

Cc: rouslan@chromium.org
Owner: rouslan@chromium.org
Status: Assigned (was: Untriaged)

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

Hi rouslan@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 : Rouslan Solomakhin
  Commit : 2294d3d196521b40f4b25e7281b6e86306b996ee
  Date   : Wed Oct 25 21:58:07 2017
  Subject: Revert "[Payments] Enable payment handler on waterfall."

Bisect Details
  Configuration: android_nexus6_perf_bisect
  Benchmark    : media.mobile
  Metric       : memory:chrome:all_processes:reported_by_chrome:v8:effective_size_avg/video.html?src_tulip2.vp9.webm_background
  Change       : 0.32% | 1777884.0 -> 1772156.0

Revision             Result                  N
chromium@511556      1777884 +- 278.453      6      good
chromium@511587      1777870 +- 122.735      6      good
chromium@511603      1777867 +- 128.924      6      good
chromium@511604      1777858 +- 83.2827      6      good
chromium@511605      1772122 +- 30368.0      6      bad       <--
chromium@511607      1775831 +- 15761.2      9      bad
chromium@511611      1774901 +- 15258.9      6      bad
chromium@511618      1774839 +- 15190.4      6      bad
chromium@511680      1772156 +- 19254.1      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.vp9.webm.background media.mobile

More information on addressing performance regressions:
  http://g.co/ChromePerformanceRegressions

Debug information about this bisect:
  https://chromeperf.appspot.com/buildbucket_job_status/8964300992803634624


For feedback, file a bug with component Speed>Bisection
The suspected CL is a revert that has re-landed (see https://crbug.com/778401 for more info). Did the regression bounce back?

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