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Issue metadata

Status: Duplicate
Merged: issue 595041
Owner:
Last visit 27 days ago
Closed: Mar 2016
EstimatedDays: ----
NextAction: ----
OS: ----
Pri: 2
Type: Bug-Regression



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2.6% regression in page_cycler.intl_ar_fa_he at 381181:381191

Project Member Reported by pras...@chromium.org, Mar 16 2016

Issue description

See the link to graphs below.
 
All graphs for this bug:
  https://chromeperf.appspot.com/group_report?bug_id=595354

Original alerts at time of bug-filing:
  https://chromeperf.appspot.com/group_report?keys=agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgICgwKXjrAoM


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

android-nexus7v2
Project Member

Comment 2 by 42576172...@developer.gserviceaccount.com, Mar 17 2016

Mergedinto: 595041
Status: Duplicate (was: Assigned)

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


===== SUSPECTED CL(s) =====
Subject : [heap] Turn on black allocation.
Author  : hpayer
Commit description:
  
BUG= chromium:561449 
LOG=n

Review URL: https://codereview.chromium.org/1800733002

Cr-Commit-Position: refs/heads/master@{#34762}
Commit  : 0eef12e02cb275aa2b4f53242d3f7f3ce632cf69
Date    : Mon Mar 14 18:57:05 2016


===== TESTED REVISIONS =====
Revision                Mean Value  Std. Dev.   Num Values  Good?
chromium@381180         32953.166667165.992068  6           good
chromium@381186         32957.625   124.628519  8           good
chromium@381189         32953.857143126.942807  7           good
chromium@381189,v8@bae3efface32899.625   203.932718  8           good
chromium@381189,v8@0eef12e02c33783.4     105.765306  5           bad
chromium@381189,v8@f3568ca40033768.0     237.844487  5           bad
chromium@381190         33701.666667112.604914  6           bad
chromium@381191         33816.0     81.271151   5           bad

Bisect job ran on: android_nexus7_perf_bisect
Bug ID: 595354

Test Command: src/tools/perf/run_benchmark -v --browser=android-chromium --output-format=chartjson --also-run-disabled-tests page_cycler.intl_ar_fa_he
Test Metric: vm_private_dirty_final_renderer/vm_private_dirty_final_renderer
Relative Change: 2.69%
Score: 99.9

Buildbot stdio: http://build.chromium.org/p/tryserver.chromium.perf/builders/android_nexus7_perf_bisect/builds/2849
Job details: https://chromeperf.appspot.com/buildbucket_job_status/9018015705357900928


| 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 label Cr-Tests-AutoBisect.  Thank you!

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