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.