The attached patch exports cpu idle time to guests. This is one of the things necessary for cpu frequency scaling to work well. It works, but has the problem that the sysctl hypercall is really only designed to be used from userspace, so we would need a userspace cpufreq daemon running in dom0. Mark, does this look reasonable to you? Signed-off-by: Rik van Riel -- Politics is the struggle between those who want to make their country the best in the world, and those who believe it already is. Each group calls the other unpatriotic.