Sorry to reply to myself, but this may also work for you. http://www.kernel.org/pub/linux/kernel/people/mjc/linux-2.4/ This kernel tree has a bunch of experimental patches for improving Linux kernel performance. This URL describes several of the features: http://www.kernel.org/pub/linux/kernel/people/mjc/linux-2.4/Changelog.mjc CPU affinity /proc entry (Robert Love)