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Issue metadata

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



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10.6% regression in blink_perf.css at 394546:394569

Project Member Reported by kouhei@chromium.org, May 23 2016

Issue description

See the link to graphs below.
 

Comment 1 by kouhei@chromium.org, May 23 2016

All graphs for this bug:
  https://chromeperf.appspot.com/group_report?bug_id=613910

Original alerts at time of bug-filing:
  https://chromeperf.appspot.com/group_report?keys=agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgICgzIrYuAoM


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

chromium-rel-mac10
Project Member

Comment 2 by 42576172...@developer.gserviceaccount.com, May 23 2016

Mergedinto: 613168
Status: Duplicate (was: Assigned)

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


===== SUSPECTED CL(s) =====
Subject : Disable thread-safe Send on ChannelMojo
Author  : rockot
Commit description:
  
The world is not yet ready for thread-safe Send. D:

BUG= 612944 
TBR=jam@chromium.org

Review-Url: https://codereview.chromium.org/1991913003
Cr-Commit-Position: refs/heads/master@{#394568}
Commit  : ff0d8038dd81bb025313a393cb8a6fcde9a79603
Date    : Wed May 18 22:04:53 2016


===== TESTED REVISIONS =====
Revision         Mean     Std Dev  N  Good?
chromium@394545  13969.4  446.102  5  good
chromium@394557  13970.9  228.22   5  good
chromium@394563  13826.6  358.287  5  good
chromium@394566  13890.0  191.289  8  good
chromium@394567  13201.7  1491.65  8  good
chromium@394568  12449.9  243.517  8  bad    <--
chromium@394569  12375.2  17.5193  5  bad

Bisect job ran on: mac_10_10_perf_bisect
Bug ID: 613910

Test Command: src/tools/perf/run_benchmark -v --browser=release --output-format=chartjson --upload-results --also-run-disabled-tests blink_perf.css
Test Metric: FocusUpdate/FocusUpdate
Relative Change: 11.41%
Score: 99.9

Buildbot stdio: http://build.chromium.org/p/tryserver.chromium.perf/builders/mac_10_10_perf_bisect/builds/2124
Job details: https://chromeperf.appspot.com/buildbucket_job_status/9011899103254356400


Not what you expected? We'll investigate and get back to you!
  https://chromeperf.appspot.com/bad_bisect?try_job_id=5814038265593856

| 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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