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Issue 713121 link

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Issue metadata

Status: Duplicate
Merged: issue 709907
Owner: ----
Closed: Apr 2017
Cc:
EstimatedDays: ----
NextAction: ----
OS: ----
Pri: 2
Type: Bug-Regression



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43.8% regression in v8.mobile_infinite_scroll_tbmv2 at 462804:462831

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=713121

Original alerts at time of bug-filing:
  https://chromeperf.appspot.com/group_report?keys=agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDggtybrgsM


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

android-nexus7v2
Project Member

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

Mergedinto: 709907
Status: Duplicate (was: Untriaged)

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

Suspected Commit
  Author : ulan
  Commit : 95e17ac4602dc38aaa6a44d4f6d2566920d6c75d
  Date   : Fri Apr 07 09:00:03 2017
  Subject: Ensure fixed amount of scrolling in infinite scroll stories.

Bisect Details
  Configuration: android_nexus7_perf_bisect
  Benchmark    : v8.mobile_infinite_scroll_tbmv2
  Metric       : v8-gc-total_max/flickr
  Change       : 43.75% | 4.14344444444 -> 5.53388888889

Revision             Result                   N
chromium@462803      4.14344 +- 1.32449       9       good
chromium@462810      3.99756 +- 0.448598      9       good
chromium@462812      4.10036 +- 1.23015       14      good
chromium@462813      4.83707 +- 2.87978       14      bad       <--
chromium@462814      5.30678 +- 1.96838       9       bad
chromium@462817      5.16629 +- 2.85452       14      bad
chromium@462831      5.53389 +- 1.5549        9       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=flickr v8.mobile_infinite_scroll_tbmv2

Debug Info
  https://chromeperf.appspot.com/buildbucket_job_status/8981887966182501856

Is this bisect wrong?
  https://chromeperf.appspot.com/bad_bisect?try_job_id=5800924099903488


| 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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