[CentOS] cpu load monitoring

Hi,

I have a server running Centos 5.2 and am implementing a GIS mapserver app. I 
have some sample logs from another implementation that give me an idea of 
bandwidth requirements but I would like to check the cpu load. I can not be 
at the server during the test and am interested in knowing if there is 
logging of cpu load available. Anyone have experience with this? 
Recommendations?

Dave

-- 
Canada must refuse to be entangled in any more wars fought to make the world 
safe for capitalism.

-- The Regina Manifesto, 1933