https://bugs.kde.org/show_bug.cgi?id=487895
Nate Graham <n...@kde.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Product|plasmashell |kwin
Assignee|plasma-b...@kde.org |kwin-bugs-n...@kde.org
Component|generic-performance |performance
Target Milestone|1.0 |---
Ever confirmed|0 |1
Status|REPORTED |CONFIRMED
Summary|Plasmashell, kwin_x11 and |Constant screen repaints
|Xorg high CPU usage after |after switching virtual
|switching virtual desktops |desktops with Digital Clock
|with an auto-hide panel |widget set to show seconds
| |on an auto-hide panel
--- Comment #8 from Nate Graham <n...@kde.org> ---
I can now reproduce the issue, thanks.
Full steps for me:
1. Have a panel on auto-hide
2. Use the "Show Seconds: Always" setting in that panel's digital clock
3. Turn on Show Paint effect
4. Have `top` running in a konsole or any other cpu indicator and verify there
is no significant CPU use
5. Switch to another virtual desktop and back using Meta+Ctrl+[arrow key]
6. Observe Show Paint effect going crazy and double digit CPU use in
plasmashell and kwin/xorg (if on X11)
7. Wait as long as you like
6. Briefly make the panel visible
7. Observe Show Paint effect return to normal and the CPU use drops.
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