In case the video is still suspected: pat@wopr:~$ xrandr Screen 0: minimum 8 x 8, current 9600 x 2160, maximum 16384 x 16384 VGA-0 disconnected (normal left inverted right x axis y axis) LVDS-0 disconnected (normal left inverted right x axis y axis) HDMI-0 disconnected (normal left inverted right x axis y axis) DP-0 connected primary 1920x1080+3840+1080 (normal left inverted right x axis y axis) 344mm x 194mm 1920x1080 60.02*+ 47.99 DP-1 connected 3840x2160+0+0 (normal left inverted right x axis y axis) 600mm x 340mm 3840x2160 60.00*+ 30.00 2560x1440 59.95 1920x1080 60.00 59.94 1600x900 60.00 1280x1024 60.02 1280x800 59.81 1280x720 60.00 59.94 1152x864 59.96 1024x768 60.00 800x600 60.32 720x480 59.94 640x480 59.94 59.93 DP-2 disconnected (normal left inverted right x axis y axis) DP-3 connected 3840x2160+5760+0 (normal left inverted right x axis y axis) 600mm x 340mm 3840x2160 60.00 + 30.00* 2560x1440 59.95 1920x1080 60.00 59.94 1600x900 60.00 1280x1024 60.02 1280x800 59.81 1280x720 60.00 59.94 1152x864 59.96 1024x768 60.00 800x600 60.32 720x480 59.94 640x480 59.94 59.93 DP-4 disconnected (normal left inverted right x axis y axis)
-- You received this bug notification because you are a member of Desktop Packages, which is subscribed to gnome-shell in Ubuntu. https://bugs.launchpad.net/bugs/1773959 Title: High CPU usage by gnome-shell when only running gnome-terminal Status in gnome-shell package in Ubuntu: Incomplete Bug description: Even when doing nothing but displaying a terminal screen with top running gnome-shell uses 10% of a CPU. That seems excessive. I disabled all extensions to try and make the test fair. Enabling the system monitor extension increases the load to 13-14%. It seems that the gnome-shell screen painting is highly CPU consuming even if screen updates are infrequent (1 a second for all these cases). ProblemType: Bug DistroRelease: Ubuntu 18.04 Package: gnome-shell 3.28.1-0ubuntu2 ProcVersionSignature: Ubuntu 4.15.0-20.21-generic 4.15.17 Uname: Linux 4.15.0-20-generic x86_64 ApportVersion: 2.20.9-0ubuntu7 Architecture: amd64 CurrentDesktop: ubuntu:GNOME Date: Tue May 29 11:38:05 2018 DisplayManager: gdm3 InstallationDate: Installed on 2016-10-27 (578 days ago) InstallationMedia: Ubuntu 16.04.1 LTS "Xenial Xerus" - Release amd64 (20160719) SourcePackage: gnome-shell UpgradeStatus: Upgraded to bionic on 2018-05-19 (9 days ago) To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/gnome-shell/+bug/1773959/+subscriptions -- Mailing list: https://launchpad.net/~desktop-packages Post to : desktop-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~desktop-packages More help : https://help.launchpad.net/ListHelp
