kwin (4.11.12) idle CPU usage

Kevin Krammer krammer at
Tue Jan 26 22:07:27 GMT 2016

On Tuesday, 2016-01-26, 18:40:15, René J.V. Bertin wrote:
> On Tuesday January 26 2016 17:20:38 Duncan wrote:
> >more flashing you see and the bigger area that's flashing, the more
> >repainting is being done and the higher both kwin_x11 and X's usage
> >should be.
> Maybe, but *why*? Kwin isn't supposed to do anything with window contents in
> my configuration, when I'm not interacting with the system.

If you have compositing activated then the compositor will have to create a 
new frame when window contents change.

Which apparently Chrome does or at least indicates it does.


Kevin Krammer, KDE developer, xdg-utils developer
KDE user support, developer mentoring
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