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Issue 638936 link

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Issue metadata

Status: Duplicate
Owner:
Closed: Aug 2016
EstimatedDays: ----
NextAction: ----
OS: ----
Pri: 2
Type: Bug-Regression



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6.3%-7.4% regression in thread_times.key_silk_cases at 412451:412469

Project Member Reported by qyears...@chromium.org, Aug 18 2016

Issue description

See the link to graphs below.
 
All graphs for this bug:
  https://chromeperf.appspot.com/group_report?bug_id=638936

Original alerts at time of bug-filing:
  https://chromeperf.appspot.com/group_report?keys=agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgICgrpiivgoM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgICgrpqUoQoM


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

android-nexus6
android-nexus9
Project Member

Comment 3 by 42576172...@developer.gserviceaccount.com, Aug 18 2016

Mergedinto: 638625
Status: Duplicate (was: Assigned)

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


===== SUSPECTED CL(s) =====
Subject : [Editing][CSS] Drag from a -webkit-user-select:none element should not start selection
Author  : yoichio
Commit description:
  
This CL is updated of reverted one:
https://codereview.chromium.org/2001993002

This CL considers the reverted shadow boundary issue.

BUG= 481985 

Review-Url: https://codereview.chromium.org/2021793002
Cr-Commit-Position: refs/heads/master@{#412457}
Commit  : 08acdf950e1776571def8e6f16c288769e7e9e27
Date    : Wed Aug 17 06:16:52 2016


===== TESTED REVISIONS =====
Revision         Mean     Std Dev    N  Good?
chromium@412452  3.48008  0.0508322  5  good
chromium@412455  3.49556  0.0236036  5  good
chromium@412456  3.4679   0.0184431  5  good
chromium@412457  3.68402  0.055015   5  bad    <--

Bisect job ran on: android_nexus9_perf_bisect
Bug ID: 638936

Test Command: src/tools/perf/run_benchmark -v --browser=android-chromium --output-format=chartjson --upload-results --also-run-disabled-tests thread_times.key_silk_cases
Test Metric: thread_renderer_main_cpu_time_per_frame/thread_renderer_main_cpu_time_per_frame
Relative Change: 5.86%
Score: 99.9

Buildbot stdio: http://build.chromium.org/p/tryserver.chromium.perf/builders/android_nexus9_perf_bisect/builds/2026
Job details: https://chromeperf.appspot.com/buildbucket_job_status/9003983219979489104


Not what you expected? We'll investigate and get back to you!
  https://chromeperf.appspot.com/bad_bisect?try_job_id=5329637429739520

| 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!

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