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Issue 650187 link

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Issue metadata

Status: Duplicate
Merged: issue 649984
Owner:
Last visit > 30 days ago
Closed: Sep 2016
EstimatedDays: ----
NextAction: ----
OS: ----
Pri: 2
Type: Bug-Regression



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13.8%-31.8% regression in v8.browsing_desktop at 419372:419388

Project Member Reported by hpayer@google.com, Sep 26 2016

Issue description

See the link to graphs below.
 
Project Member

Comment 3 by sheriffbot@chromium.org, Sep 26 2016

Labels: Hotlist-Google
Project Member

Comment 4 by 42576172...@developer.gserviceaccount.com, Sep 26 2016

Bisect failed: http://build.chromium.org/p/tryserver.chromium.perf/builders/mac_hdd_perf_bisect/builds/818
Failure reason: the build has failed.
Additional errors:
The metric was not found in the test output.
Either of the initial "good" or "bad" revisions failed to be tested or built.

Project Member

Comment 6 by 42576172...@developer.gserviceaccount.com, Sep 28 2016

Mergedinto: 649984
Status: Duplicate (was: Assigned)

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


===== SUSPECTED CL(s) =====
Subject : Listen to didReceiveResponse() to get the response in WebViewPlugin.
Author  : japhet
Commit description:
  
This is a partial revert of the WebViewPlugin changes in
https://crrev.com/8489f1bf78c2c6f296e0df6c529751d29e8a0188

BUG= 641028 

Review-Url: https://codereview.chromium.org/2349443003
Cr-Commit-Position: refs/heads/master@{#419387}
Commit  : 8ed4bf69eca5e2696aeab731a8e9a15e8f379f2b
Date    : Sat Sep 17 22:26:21 2016


===== TESTED REVISIONS =====
Revision         Mean     Std Dev  N  Good?
chromium@419371  929.36   25.7625  6  good
chromium@419380  954.225  28.563   5  good
chromium@419385  908.927  29.2826  5  good
chromium@419386  949.266  23.0882  4  good
chromium@419387  1048.2   30.7601  5  bad    <--
chromium@419388  1035.73  19.4841  5  bad

Bisect job ran on: win_8_perf_bisect
Bug ID: 650187

Test Command: src/tools/perf/run_benchmark -v --browser=release --output-format=chartjson --upload-results --also-run-disabled-tests v8.browsing_desktop
Test Metric: v8-gc-total_sum/v8-gc-total_sum
Relative Change: 10.96%
Score: 99.9

Buildbot stdio: http://build.chromium.org/p/tryserver.chromium.perf/builders/win_8_perf_bisect/builds/2211
Job details: https://chromeperf.appspot.com/buildbucket_job_status/9000297420721411936


Not what you expected? We'll investigate and get back to you!
  https://chromeperf.appspot.com/bad_bisect?try_job_id=6122068205109248

| 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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