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Re: [Qemu-devel] virtio-net performance on mach-virt.
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From: |
Paolo Bonzini |
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Subject: |
Re: [Qemu-devel] virtio-net performance on mach-virt. |
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Date: |
Wed, 30 Oct 2013 17:42:27 +0100 |
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User-agent: |
Mozilla/5.0 (X11; Linux x86_64; rv:17.0) Gecko/20130923 Thunderbird/17.0.9 |
Il 30/10/2013 15:40, Giridhar Maruthy ha scritto:
> Hi All,
>
> I tried to measure the network performance of guest (mach-virt) with
> virtio-net on an ARM host platform (Samsung exynos). The qemu version
> is 1.6.50.
>
> I found that with 1GbE NIC on the host, the host iperf gave a speed of
> 847Mbits/sec when a local dhcp server was used as a iperf server.
>
> But the guest gave a speed of 478Mbits/sec which is around 56% compared to
> host.
>
> What is the typical guest network efficiency compared to host with virtio-net?
> Any ideas would be helpful.
Were you using vhost?
Paolo