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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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24.9%-75.8% regression in v8.mobile_infinite_scroll_tbmv2 at 463379:463664

Project Member Reported by benhenry@google.com, Apr 18 2017

Issue description

See the link to graphs below.
 
Project Member

Comment 5 by 42576172...@developer.gserviceaccount.com, Apr 23 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_nexus5_perf_bisect
  Benchmark    : v8.mobile_infinite_scroll_tbmv2
  Metric       : memory:chrome:all_processes:reported_by_chrome:v8:allocated_objects_size_max/tumblr
  Change       : 143.01% | 20372816.4444 -> 49507204.0

Revision             Result                    N
chromium@462802      20372816 +- 1484267       9      good
chromium@462811      20144898 +- 1079657       6      good
chromium@462812      20541917 +- 1187080       6      good
chromium@462813      50819302 +- 15111794      6      bad       <--
chromium@462814      50657527 +- 10163699      6      bad
chromium@462816      50627498 +- 9071391       5      bad
chromium@462820      48829483 +- 6584039       6      bad
chromium@462837      50844137 +- 4632905       6      bad
chromium@462872      47662013 +- 13327245      5      bad
chromium@462941      49673277 +- 8514880       6      bad
chromium@463079      48332165 +- 4747799       6      bad
chromium@463355      47524938 +- 7358453       5      bad
chromium@463908      49507204 +- 9516032       4      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=tumblr v8.mobile_infinite_scroll_tbmv2

Debug Info
  https://chromeperf.appspot.com/buildbucket_job_status/8981566310299211952

Is this bisect wrong?
  https://chromeperf.appspot.com/bad_bisect?try_job_id=5897818897645568


| 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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