> > Bear in mind that X.org's apparent RAM usage will include all the video
> > RAM on your video card. It can actaully appear to be using more RAM
> > than you have :-). I'm not sure how dual-head affects that, but I could
> > see it showing the full video RAM for each head, or something silly like
> > that.
>
> I believe the numbers top reports is system memory (physical and virtual),
> not video memory) used by a process. I don't see why X.org would need that
> much system memory ... either it's reserving it and not using it (very
> dumb) or it's mirroring everything in video memory in main memory
> (incredibly dumb).
No, X does map video card memory, so top reports this. Some times X
does this more than once.
Here is a script which can tell you how much its actually using.
http://marc.theaimsgroup.com/?l=xfree-xpert&m=96835767116567&w=2
Received on Mon Jun 26 18:01:01 2006
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