Desktop Performance Tuning?

[Wojciech Puchar]

> 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?