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Issue 805032 link

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Issue metadata

Status: WontFix
Owner:
Closed: Mar 2018
Cc:
EstimatedDays: ----
NextAction: ----
OS: ----
Pri: 2
Type: Bug-Regression



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1.8%-25.4% regression in performance_browser_tests at 527861:530855

Project Member Reported by pmeenan@chromium.org, Jan 23 2018

Issue description

See the link to graphs below.
 
Project Member

Comment 1 by 42576172...@developer.gserviceaccount.com, Jan 23 2018

All graphs for this bug:
  https://chromeperf.appspot.com/group_report?bug_id=805032

(For debugging:) Original alerts at time of bug-filing:
  https://chromeperf.appspot.com/group_report?sid=ed55281618b93cfd197367b857bf177a808df136aab54defbe2c9c399c86b94f


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

chromium-rel-win7-gpu-intel
Project Member

Comment 2 by 42576172...@developer.gserviceaccount.com, Jan 23 2018

๐Ÿ“ Pinpoint job started.
https://pinpoint-dot-chromeperf.appspot.com/job/12b486b4840000
Project Member

Comment 3 by 42576172...@developer.gserviceaccount.com, Jan 23 2018

๐Ÿ“ Couldn't reproduce a difference.
https://pinpoint-dot-chromeperf.appspot.com/job/12b486b4840000
Project Member

Comment 4 by 42576172...@developer.gserviceaccount.com, Jan 25 2018

๐Ÿ“ Pinpoint job started.
https://pinpoint-dot-chromeperf.appspot.com/job/149bddac840000

Comment 5 by m...@chromium.org, Jan 25 2018

Note: Bisecting tools may not find the root cause since these tests were disabled between r530194 and r530844.

commit	1d5f7686b8165d381cb11a352bcbcd9389cd7837	
author	Yuri Wiitala <miu@chromium.org>	Mon Jan 22 12:29:34 2018
committer	Commit Bot <commit-bot@chromium.org>	Mon Jan 22 12:29:34 2018
Revert "Disabling performance_browser_tests"

This reverts commit d5dd606f9d167708bc3de0c9fcd6a7fd0390eb3a.

Reason for revert: Landed fix. See: https://chromium-review.googlesource.com/c/chromium/src/+/877823

Original change's description:
> Disabling performance_browser_tests
> 
> performance_browser_tests are failing on Mac Air 10.11 Perf, Mac Pro
> 10.11 Perf, Mac Retina Perf, Win 7 ATI GPU Perf, Win 7 Intel GPU Perf,
> Win 7 x64 Perf, and Win 8 Perf
> 
> Bug:  803455 
> Change-Id: I92856fed9176452ab07191d13db1d7f1d692bb24
> Reviewed-on: https://chromium-review.googlesource.com/873995
> Reviewed-by: Ned Nguyen <nednguyen@google.com>
> Commit-Queue: Ashley Enstad <ashleymarie@chromium.org>
> Cr-Commit-Position: refs/heads/master@{#530194}

TBR=miu@chromium.org,nednguyen@google.com,ashleymarie@chromium.org

# Not skipping CQ checks because original CL landed > 1 day ago.

Bug:  803455 
Change-Id: Iae14b0e6c51adc98ff5b4e922e24979939b8edd5
Reviewed-on: https://chromium-review.googlesource.com/877229
Reviewed-by: Yuri Wiitala <miu@chromium.org>
Commit-Queue: Ned Nguyen <nednguyen@google.com>
Cr-Commit-Position: refs/heads/master@{#530844}

Comment 6 by m...@chromium.org, Jan 25 2018

Cc: m...@chromium.org
Project Member

Comment 7 by 42576172...@developer.gserviceaccount.com, Jan 26 2018

Cc: tsepez@chromium.org dougt@chromium.org jam@chromium.org reillyg@chromium.org mattreyn...@google.com
Owner: jam@chromium.org
Status: Assigned (was: Untriaged)
๐Ÿ“ Found significant differences after each of 2 commits.
https://pinpoint.chromeperf.appspot.com/job/149bddac840000

Avoid race condition when shutting down WifiDataProvider
By mattreynolds@google.com ยท Tue Jan 09 03:22:53 2018
chromium @ 417faedd516504a5f08d01dba02cde667462f63b

Support MockCertVerifier when network service is enabled
By jam@chromium.org ยท Tue Jan 09 03:27:34 2018
chromium @ 96721289b5bdc87d6c74880d474ea8089f09b504

Understanding performance regressions:
  http://g.co/ChromePerformanceRegressions

Comment 8 by jam@chromium.org, Mar 19 2018

Status: WontFix (was: Assigned)
My change is a test-only change.

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