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Issue 814941 link

Starred by 1 user
Status: WontFix
Owner:
wangxianzhu@chromium.org
Closed: Mar 2018
Cc:
█ rdpranke@chromium.org
a...@chromium.org
█ kbr@chromium.org
tandrii@chromium.org
wangxianzhu@chromium.org
d...@chromium.org
tapted@chromium.org
thomasanderson@chromium.org
piman@chromium.org
chrishtr@chromium.org
EstimatedDays: ----
NextAction: ----
OS: ----
Pri: 2
Type: Bug-Regression



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3.4% regression in system_health.memory_desktop at 537290:537363

Project Member Reported by khushals...@chromium.org, Feb 22 2018 
See the link to graphs below.
Project Member

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

All graphs for this bug:
  https://chromeperf.appspot.com/group_report?bug_id=814941

(For debugging:) Original alerts at time of bug-filing:
  https://chromeperf.appspot.com/group_report?sid=cfa0906466613bef37c98a5b5e1addd5a9322a9dd8990c4a404eedd58e5674a4


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

chromium-rel-mac11-air
Project Member

Comment 2 by 42576172...@developer.gserviceaccount.com, Feb 22 2018 

📍 Pinpoint job started.
https://chromeperf.appspot.com/job/14fc4240440000
Project Member

Comment 3 by 42576172...@developer.gserviceaccount.com, Feb 22 2018 

📍 Couldn't reproduce a difference.
https://chromeperf.appspot.com/job/14fc4240440000

Comment 5 by sullivan@chromium.org, Mar 16 2018 

Trying a wider range.
Project Member

Comment 6 by 42576172...@developer.gserviceaccount.com, Mar 16 2018

Cc: tapted@chromium.org chrishtr@chromium.org kbr@chromium.org dpranke@chromium.org tandrii@chromium.org a...@chromium.org piman@chromium.org d...@chromium.org wangxianzhu@chromium.org rsesek@chromium.org thomasanderson@chromium.org
Owner: wangxianzhu@chromium.org
Status: Assigned (was: Untriaged)
📍 Found significant differences after each of 4 commits.
https://pinpoint-dot-chromeperf.appspot.com/job/1106afc1440000

Revert "[test_env.py] Warm up vpython virtualenv cache on swarming task shards." by kbr@chromium.org
https://chromium.googlesource.com/chromium/src/+/7dde857919af2f59fcab10264d696301a15c64da

Mac SelectFileDialog TLC by tapted@chromium.org
https://chromium.googlesource.com/chromium/src/+/4de65ba04a18745d4963ca386a3e3f2b1735135a

Revert "Mac SelectFileDialog TLC" by thomasanderson@chromium.org
https://chromium.googlesource.com/chromium/src/+/374de998ab969466b15844bca93580a2332056ef

[SPv175] Enable SlimmingPaintV175 by default by wangxianzhu@chromium.org
https://chromium.googlesource.com/chromium/src/+/0a9a5c311a1d3a298f952e495510bd6fe3faa2f6

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

Comment 7 by wangxianzhu@chromium.org, Mar 16 2018

Blocking: 803867
Components: Blink>Paint
Labels: -M-66 M-67

Comment 8 by rsesek@chromium.org, Mar 16 2018

Cc: -rsesek@chromium.org -dpranke@chromium.org rdpranke@chromium.org

Comment 9 by wangxianzhu@chromium.org, Mar 16 2018

Blocking: -803867
Components: -Blink>Paint
Status: WontFix (was: Assigned)
Restored. Also seems unrelated to SPv175 because 1. re-enabling it didn't cause regression again; 2. the revision range of restoration doesn't contain anything related to SPv175.
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