[dpdk-dev] overcommitting CPUs

Stephen Hemminger stephen at networkplumber.org
Tue Aug 26 18:38:37 CEST 2014

On Tue, 26 Aug 2014 16:27:14 +0000
"Michael  Marchetti" <mmarchetti at sandvine.com> wrote:

> Hi, has there been any consideration to introduce a non-spinning network driver (interrupt based), for the purpose of overcommitting CPUs in a virtualized environment?  This would obviously have reduced high-end performance but would allow for increased guest density (sharing of physical CPUs) on a host.
> I am interested in adding support for this kind of operation, is there any interest in the community?
> Thanks,
> Mike.

Better to implement a NAPI like algorithm that adapts from poll to interrupt.

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