New issue
Advanced search Search tips

Issue 600265 link

Starred by 0 users

Issue metadata

Status: Duplicate
Merged: issue 599867
Owner:
Closed: Apr 2016
EstimatedDays: ----
NextAction: ----
OS: ----
Pri: 2
Type: Bug-Regression



Sign in to add a comment

11.6% regression in blink_perf.paint at 384196:384216

Project Member Reported by toyoshim@chromium.org, Apr 4 2016

Issue description

See the link to graphs below.
 
All graphs for this bug:
  https://chromeperf.appspot.com/group_report?bug_id=600265

Original alerts at time of bug-filing:
  https://chromeperf.appspot.com/group_report?keys=agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgICgiMnyowkM


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

android-nexus7v2
Mergedinto: 599867
Status: Duplicate (was: Assigned)

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


===== SUSPECTED CL(s) =====
Subject : Replace all occurrences of RELEASE_ASSERT in wtf with CHECK.
Author  : kotenkov
Commit description:
  
BUG= 596760 

Review URL: https://codereview.chromium.org/1840163002

Cr-Commit-Position: refs/heads/master@{#384213}
Commit  : d181f524c11e0d456bc48261334beda61e6f852c
Date    : Thu Mar 31 07:41:16 2016


===== TESTED REVISIONS =====
Revision                Mean Value  Std. Dev.   Num Values  Good?
chromium@384195         1504.579818 8.422056    5           good
chromium@384206         1507.492727 7.311701    5           good
chromium@384211         1512.110364 11.845323   5           good
chromium@384212         1514.599727 11.966149   5           good
chromium@384213         1653.201636 10.591391   5           bad         <-
chromium@384214         1654.865    5.720556    5           bad
chromium@384216         1665.360818 6.457618    5           bad

Bisect job ran on: android_nexus7_perf_bisect
Bug ID: 600265

Test Command: src/tools/perf/run_benchmark -v --browser=android-chromium --output-format=chartjson --also-run-disabled-tests blink_perf.paint
Test Metric: large-table-background-change-with-visible-collapsed-borders/large-table-background-change-with-visible-collapsed-borders
Relative Change: 10.69%
Score: 99.9

Buildbot stdio: http://build.chromium.org/p/tryserver.chromium.perf/builders/android_nexus7_perf_bisect/builds/2879
Job details: https://chromeperf.appspot.com/buildbucket_job_status/9016325487290771440


Not what you expected? We'll investigate and get back to you!
  https://chromeperf.appspot.com/bad_bisect?try_job_id=600265

| 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