https://bugs.kde.org/show_bug.cgi?id=486137
Bug ID: 486137
Summary: System stuttering when GPU nearing 100%
Classification: Plasma
Product: kwin
Version: 6.0.3
Platform: Fedora RPMs
OS: Linux
Status: REPORTED
Severity: normal
Priority: NOR
Component: compositing
Assignee: kwin-bugs-n...@kde.org
Reporter: zastrixarund...@gmail.com
Target Milestone: ---
Created attachment 168910
--> https://bugs.kde.org/attachment.cgi?id=168910&action=edit
Frametime when playing elden ring and maxing out the GPU
SUMMARY
When the system is nearing 100% GPU usage, the system starts to stutter and
skips frames. This is similar behavior to KDE5 where you would enable prefer
lower latency (skip frames). One KDE5 you would be able to select prefer
smoother frames and it would not stutter as much.
The issue is happening with AMD hardware and KDE6. Switching to GNOME fixes the
issue, so it's not a driver/wayland issue.
STEPS TO REPRODUCE
1. Run game
2. Force it to have 100% GPU usage
3. Frametimes are massive in jumps
OBSERVED RESULT
Stuttery gameplay
EXPECTED RESULT
Smooth gameplay
SOFTWARE/OS VERSIONS
Linux/KDE Plasma: Fedora Kinoite uBlue main
(available in About System)
KDE Plasma Version: 6.0.3
KDE Frameworks Version: 6.0.0
Qt Version: 6.6.2
ADDITIONAL INFORMATION
The issue is similar to this: https://bugs.kde.org/show_bug.cgi?id=482677, but
enabling software mouse didn't do anything, so I've felt I should create a new
issue.
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