[dpdk-dev] [PATCH v4 00/10] VM Power Management
Paolo Bonzini
pbonzini at redhat.com
Fri Dec 12 17:13:55 CET 2014
On 12/12/2014 17:10, Thomas Monjalon wrote:
> > Ok, this looks specific enough that an out-of-band solution within DPDK
> > sounds like the best approach. It seems unnecessary to involve the
> > hypervisor (neither KVM nor QEMU).
>
> Paolo, I don't understand why you don't imagine controlling frequency scaling
> of a pinned vCPU transparently?
Probably because I don't imagine controlling frequency scaling from the
application on bare metal, either. :) It seems to me that this is just
working around limitations of the kernel.
Paolo
> In my understanding, we currently cannot control frequency scaling without
> knowing wether we are in a VM or not.
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