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SubjectRe: [kvm] Re: [RFC PATCH 00/17] virtual-bus
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On Thu, 2009-04-02 at 13:18 -0500, Anthony Liguori wrote:
> Avi Kivity wrote:
> > Anthony Liguori wrote:
> >>> I don't think we even need that to end this debate. I'm convinced
> >>> we have a bug somewhere. Even disabling TX mitigation, I see a ping
> >>> latency of around 300ns whereas it's only 50ns on the host. This
> >>> defies logic so I'm now looking to isolate why that is.
> >>
> >> I'm down to 90us. Obviously, s/ns/us/g above. The exec.c changes
> >> were the big winner... I hate qemu sometimes.
>
> Anyway, if we're able to send this many packets, I suspect we'll be able
> to also handle much higher throughputs without TX mitigation so that's
> what I'm going to look at now.

Anthony,

Any news on this? I'm anxious to see virtio-net performance on par with
the virtual-bus results. Thanks,

Alex



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