[Spice-devel] spice server performance
pavel at zhukoff.net
Wed Dec 1 22:19:54 PST 2010
We test spice perfomance some weeks ago. But it's spice-0.4 (on RHEV).
You can find report here:
On Thu, 2 Dec 2010 10:30:43 +0800 (CST)
xuzhinong999 <xuzhinong999 at 163.com> wrote:
> Any response on this issue? I know maybe qemu/spiceServer
>performance has been discussed long
> time ago, but i can only find the latest year's discussion records
>in spice-devel forum, so
> maybe i missed the previous discussions...
> 1. My qemu/spiceServer process starts up as :
> qemu-spice-bill -boot c -hda /opt/vdisk/xp111.img -m 512 -enable-kvm
>-soundhw all -vga qxl -net
> nic,vlan=0,model=rtl8139 -net
> ifup,downscript=/opt/vdisk/qemu-ifdown -spice
> compression=quic,disable-ticketing -usbdevice tablet -daemonize
> are these parameters correct?
> 2. From qemu help, i found this parameter:
> -cpu cpu select CPU (-cpu ? for list)
> when i check cpu type supported:
> [root at sai build]# qemu-spice-bill -cpu ?
> x86 Opteron_G3
> x86 Opteron_G2
> x86 Opteron_G1
> x86 Nehalem
> x86 Penryn
> x86 Conroe
> x86 [n270]
> x86 [athlon]
> x86 [pentium3]
> x86 [pentium2]
> x86 [pentium]
> x86 
> x86 [coreduo]
> x86 [kvm32]
> x86 [qemu32]
> x86 [kvm64]
> x86 [core2duo]
> x86 [phenom]
> x86 [qemu64]
> I can decide as default, qemu/spiceServer use qemu64 virtual cpu.
>But the physical cpu i am
> using is Intel E5504, will qemu use cpu to translate between qemu64
>and the physical cpu? Will
> the 'kvm64' virtual cpu type help?
> At 2010-12-01 16:18:31，xuzhinong999 <xuzhinong999 at 163.com> wrote:
> Hi, All,
> qemu/spiceServer process will consume average more than 40%
>cpu on a Intel E5504
> (a quad-core CPU, so the 40% cpu consumption means 40% of a cpu
>core), even if i only run
> some common applications on windows XP VM, such as
>explorer/word/excel etc. And when these
> applications start on windows XP VM, the instant cpu consumption
>will reach about 100%.
> Is this spiceServer performance normal? What's your benchmark
>test result for
> qemu/spiceServer? Is there someway to improve the performance?
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