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Issue 855425 link

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Issue metadata

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



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6.8%-44% regression in system_health.common_mobile at 566884:567055

Project Member Reported by alexclarke@chromium.org, Jun 22 2018

Issue description

See the link to graphs below.
 
Project Member

Comment 1 by 42576172...@developer.gserviceaccount.com, Jun 22 2018

All graphs for this bug:
  https://chromeperf.appspot.com/group_report?bug_id=855425

(For debugging:) Original alerts at time of bug-filing:
  https://chromeperf.appspot.com/group_report?sid=be3319cf0f4828af641350b5eb76fce22460135b733af07387bbccd372a2cab3


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

android-nexus5
android-nexus5X
Project Member

Comment 3 by 42576172...@developer.gserviceaccount.com, Jun 24 2018

Cc: sadrul@chromium.org
Owner: sadrul@chromium.org
Status: Assigned (was: Untriaged)
📍 Found significant differences after each of 2 commits.
https://pinpoint-dot-chromeperf.appspot.com/job/14c78753240000

Reland "paint timing: Use presentation-time instead of swap-time." by sadrul@chromium.org
https://chromium.googlesource.com/chromium/src/+/992979a662b28e7b9a62419f87b1839557611efc
572.6 → 814.4 (+241.8)

presentation feedback: Use a GLFence fallback. by sadrul@chromium.org
https://chromium.googlesource.com/chromium/src/+/3821fdf5c54add24d02adef248a311c293ea0bd0
778.2 → 804.3 (+26.03)

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

Comment 4 by sadrul@chromium.org, Jun 24 2018

Status: WontFix (was: Assigned)

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