Desktop Performance Tuning?

[Dominic Fandrey]

Bruce Cran wrote:
> Wojciech Puchar wrote:
>>> disabling SMP, but it didn't help.
>>>
>>> There have been threads on the stable list about jerky  mouse
>>> performance, which may be part of this, but I have really followed it
>>> closely. I'm also wondering whether this might be due to some xorg or
>>> other port change from late 2007 that I only noticed when I started
>>> doing a lot of rebuilding under 7-stable.
>>>
>> does it lag when doing disk I/O or just any case?
> 
> I think it's disk I/O: even doing a cvsup makes the desktop start 
> lagging on my Athlon XP UP system.

Does setting debug.vfscache=0 make any difference?