Re: Profile a widget style
Olivier Goffart <[email protected]> Tue, 31 Aug 2010 08:00:33 +0200
| Newsgroups | gmane.comp.kde.devel.optimize |
|---|---|
| Message-ID | <[email protected]> |
Le Monday 30 August 2010, Mantia Andras a =E9crit : > Hi, > = > if you missed my blog (http://www.kdedevelopers.org/node/4318), here is > the summary: I found that Oxygen + nvidia driver + certain nvidia cards > cause high CPU usage on XOrg. Plastique doesn't cause it. > The question: anyone has an idea how could I profile what goes wrong? Hi, Which Qt graphicssystem do you use? You may try to use raster instead of t= he = native X11 backend. I guess oxygen triggers primitives that are not optimized. I know for exam= ple = that Oxygen draws a lot of gradian which can be slow (And Qt X11 graphics = system does not use the latest X11 extensions to make it fast) = But to be honest, I'm not an expert in that area. -- = Olivier