From: Jun Piao <piaojun@huawei.com>
To: <kraxel@redhat.com>
Cc: qemu-devel@nongnu.org, jianjay.zhou@huawei.com
Subject: Re: [QUESTION] How to improve virtio-gpu performance
Date: Tue, 26 May 2020 09:02:17 +0800 [thread overview]
Message-ID: <674b5f0b-c926-ec62-2442-c70b5f476876@huawei.com> (raw)
In-Reply-To: <65461f86-c44b-6009-51f3-333b79fb612a@huawei.com>
ping?
在 2020/5/22 10:39, Jun Piao 写道:
> Hi Gerd,
>
> I'm using glmark2 to test virtio-gpu on AMDGPU, but the result is
> unsatisfactory.
>
> GPU: AMD Radeon Pro WX 5100
> Host OS: CentOS Linux release 7.7.1908 (AltArch)
> --QEMU: 4.0.0
> --linux kernel 4.18
> --mesa 18.3
> --virglrenderer
> --spice server 0.14.2
> --spice-gtk3-0.35
> --libepoxy 1.5.2
> Guest OS: CentOS Linux release 7.7.1908 (AltArch)
> --linux kernel 4.18
> --mesa 18.3
> --xorg server 1.20
> TestSuit: glmark2
>
> Host result:
> glmark2 Score: 10043
>
> Single Guest result:
> glmark2 Score: 2209
>
> Multi Guest result:
> Guest1: glmark2 Score: 1136
> Guest2: glmark2 Score: 1231
> Guest3: glmark2 Score: 1282
> Guest4: glmark2 Score: 1175
> Guest5: glmark2 Score: 1398
>
> It seems the whole performance of multi-guests is better than single
> guest, but each one has lower performance. I change 'ctrl_vq' from 256
> to 1024, but has little effect. I wonder the result is normal or
> abnormal? And which is the bottleneck? I'm appreciated for you help.
>
> thanks,
> Jun
>
prev parent reply other threads:[~2020-05-26 1:03 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-05-22 2:39 [QUESTION] How to improve virtio-gpu performance Jun Piao
2020-05-26 1:02 ` Jun Piao [this message]
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