[mythtv-users] What is a normal X CPU usage?

[steve at nexusuk.org]

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On Tue, 24 Feb 2004, Niklas Brunlid wrote:

> I've read what I've found in the archives (not that "X" is that easy to 
> search for) but I'm still wondering; what is a "normal" CPU usage level 
> for X? My mythbox is a Pundit running in mirror mode at 720x576 using the 
> 2/19 drivers from Winischofer, and on my 2.4GHz P4 I get an X usage of 
> 5-9%. A lot of people seem to get as low as <1%...

I don't have a Pundit, but FYI I get X using 15% of my Athlon XP 1900+ 
when I'm playing videos in Myth (S3 Prosavage VGA card).  When I asked 
around, this seemed about consistent with what people were seeing with 
nVidia MX-440 VGA cards too.  I'd love to know the secret for getting the 
CPU usage down though - I don't really see any reason why X needs to use 
so much since with XV all the processor heavy stuff like colourspace 
conversion and scaling are handled in hardware.  (And aren't I right in 
thinking that with XV the data is stuffed into shared memory by the 
application anyway so X doesn't need to shuffle memory around?)

- -- 

 - Steve                                             http://www.nexusuk.org/

     Servatis a periculum, servatis a maleficum - Whisper, Evanescence

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