New issue
Advanced search Search tips

Issue 648885 link

Starred by 1 user

Issue metadata

Status: Duplicate
Merged: issue 648910
Owner:
Closed: Sep 2016
EstimatedDays: ----
NextAction: ----
OS: ----
Pri: 2
Type: Bug-Regression



Sign in to add a comment

2.2% regression in memory.top_10_mobile at 419062:419106

Project Member Reported by toyoshim@chromium.org, Sep 21 2016

Issue description

See the link to graphs below.
 
All graphs for this bug:
  https://chromeperf.appspot.com/group_report?bug_id=648885

Original alerts at time of bug-filing:
  https://chromeperf.appspot.com/group_report?keys=agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgICg-fzgqgsM


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

android-one
Project Member

Comment 3 by 42576172...@developer.gserviceaccount.com, Sep 22 2016

Mergedinto: 648910
Status: Duplicate (was: Assigned)

===== BISECT JOB RESULTS =====
Status: completed


===== SUSPECTED CL(s) =====
Subject : Refactoring out the code in LayoutTreeAsText::writeLayoutObject.
Author  : lunalu
Commit description:
  
BUG= 481588 

Review-Url: https://codereview.chromium.org/2280153002
Cr-Commit-Position: refs/heads/master@{#419072}
Commit  : ecf51ddf5158be270b3ad65d613c9498d644fc6b
Date    : Fri Sep 16 01:39:01 2016


===== TESTED REVISIONS =====
Revision         Mean     Std Dev  N  Good?
chromium@419061  1421639  2136.53  5  good
chromium@419067  1420328  685.583  5  good
chromium@419070  1420656  685.703  5  good
chromium@419071  1420165  732.927  5  good
chromium@419072  1446543  2198.5   5  bad    <--
chromium@419073  1447690  2741.71  5  bad
chromium@419084  1448017  4201.53  5  bad
chromium@419106  1449492  2931.04  5  bad

Bisect job ran on: android_one_perf_bisect
Bug ID: 648885

Test Command: src/tools/perf/run_benchmark -v --browser=android-chromium --output-format=chartjson --upload-results --also-run-disabled-tests memory.top_10_mobile
Test Metric: background-memory:chrome:all_processes:reported_by_os:system_memory:ashmem:proportional_resident_size_avg/after_http_m_intl_taobao_com_group_purchase_html
Relative Change: 1.96%
Score: 99.9

Buildbot stdio: http://build.chromium.org/p/tryserver.chromium.perf/builders/android_one_perf_bisect/builds/1626
Job details: https://chromeperf.appspot.com/buildbucket_job_status/9000922499013676304


Not what you expected? We'll investigate and get back to you!
  https://chromeperf.appspot.com/bad_bisect?try_job_id=5313624002789376

| 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 Tests>AutoBisect.  Thank you!

Sign in to add a comment