On Fri, 2011-03-25 at 14:22 +0100, Michael Kuron wrote: > Thanks for your reply. > > I know that Dom0 is virtualized too, but > http://wiki.xensource.com/xenwiki/xenpm seems to suggest that the > cpufreq=dom0-kernel Xen boot option allows you to do cpufreq scaling > from the Dom0: "Domain0 based cpufreq reuse the domain0 kernel cpufreq > code and let domain0 handle the cpufreq logic". Oh, I wasn't aware that was an option. But as the note says, it only works if you set a 1-to-1 mapping between physical CPUs and vCPUs in dom0. > I've also tried cpufreq=xen (where the hypervisor is supposed to do > cpufreq scaling), but that didn't work either as the xenpm command > didn't appear to be able to do anything. [...] Why do you think that? Ben. -- Ben Hutchings Once a job is fouled up, anything done to improve it makes it worse.
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