Re: [RFC PATCH 1/1] vhost: TX used buffer guest signal accumulation

Michael S. Tsirkin
2010-10-29T08:11:58Z

On Thu, Oct 28, 2010 at 02:40:50PM -0700, Shirley Ma wrote:
> On Thu, 2010-10-28 at 14:04 -0700, Sridhar Samudrala wrote:
> > It would be some change in virtio-net driver that may have improved
> > the
> > latency of small messages which in turn would have reduced the
> > bandwidth
> > as TCP could not accumulate and send large packets.
>
> I will check out any latency improvement patch in virtio_net. If that's
> the case, whether it is good to have some tunable parameter to benefit
> both BW and latency workload?
>
> Shirley

No, we need it to work well automatically somehow.

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MST