Messages in this thread | | | Date | Sun, 22 Oct 2006 19:41:58 +0200 | From | Avi Kivity <> | Subject | Re: [PATCH 0/7] KVM: Kernel-based Virtual Machine |
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Arnd Bergmann wrote: > On Sunday 22 October 2006 19:01, Avi Kivity wrote: > >>> While we don't have it yet, we're thinking about adding a sputop >>> or something similar that shows the utilization of spus. You don't >>> need that one, since get exactly that with the regular top, but you >>> might want to have a tool that prints statistics about how often >>> your guests drop out of the virtualisation mode, or the number >>> of interrupts delivered to them. >>> >>> >>> >> We have a debugfs interface and a kvm_stat script which shows exactly >> that (including a breakdown of the reasons for the exit). >> > > Ok, good. But with your own file system, you wouldn't need debugfs > any more and have all information about a guest in one place. >
One last thing: permissions. The /dev/kvm model allows permissions to be controlled using standard unix access methods. How do you control access to spufs?
-- Do not meddle in the internals of kernels, for they are subtle and quick to panic.
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