https://bugs.kde.org/show_bug.cgi?id=491034
Bug ID: 491034
Summary: CPU and GPU usage increase when panel is hidden
Classification: Plasma
Product: plasmashell
Version: 6.1.3
Platform: Arch Linux
OS: Linux
Status: REPORTED
Severity: normal
Priority: NOR
Component: Panel
Assignee: plasma-b...@kde.org
Reporter: strangealfa...@gmail.com
CC: niccolo.venera...@gmail.com
Target Milestone: 1.0
Created attachment 172128
--> https://bugs.kde.org/attachment.cgi?id=172128&action=edit
iGPU usage comparisson between panel visible and hidden
SUMMARY
CPU and GPU usage increase when panel is hidden
STEPS TO REPRODUCE
1. Boot up/wake up system
2. Right click on panel, go to panel configuration
3. Set visibility to auto hide
4. See that the panel is hidden
5. Wait a minute on wayland, or a second if using X11
OBSERVED RESULT
plasmashell and kwin start using CPU (about 8% max) and GPU (0-3 to
250-350MHz). This stops when the panel is raised, then continues when hidden.
EXPECTED RESULT
System should idle just like when the panel is always visible
SOFTWARE/OS VERSIONS
KDE Plasma Version: 6.1.3
KDE Frameworks Version: 6.4.0
Qt Version: 6.7.2
ADDITIONAL INFORMATION
I've once managed to make the consumption stop by opening a bunch of windows
and the application launcher and closing all of them afterwards, then the
system idles just fine, but it resumes when rebooting or waking up from sleep.
It also stops shortly when getting a notification, and resumes afterwards.
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