https://bugs.kde.org/show_bug.cgi?id=493798
Bug ID: 493798
Summary: xdg-desktop-portal patch / kwin_x11 cpu usage now high
Classification: Plasma
Product: kwin
Version: 5.27.11
Platform: Kubuntu
OS: Linux
Status: REPORTED
Severity: normal
Priority: NOR
Component: X11 Integration
Assignee: kwin-bugs-n...@kde.org
Reporter: ma...@addaplate.com
Target Milestone: ---
Just updated with a single update of xdg-desktop-portal. System was fully
updated prior to this single update. CPU usage on full VM went from about 9%
to 25% when basically idle with only one tab of Firefox running. I checked
and the CPU usage is kwin_x11. I took an exact clone of the same VM but just
prior to the update and checked with the same exact Firefox tab running and
kwin_x11 is back to normal. Basically the kwin_x11 process went from 3-4% cpu
usage to 15-17% cpu usage after the xdg-desktop-portal update. I updated the
restored clone with the xpd-desktop-portal update and the kwin_x11 cpu jumped
up just like the other VM. I can duplicate this on demand. Thank you. Mark
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