Thanks a lot! I don't get any errors when starting the VM, so I assume the setting is in effect.
I don't see any difference in performance though. Reading threads around the internet, I get the impression that it's possible to get native performance (ie. same framerate when I watch a video on the VM and view it using spicec, as viewing the video on the host), like this comment says: https://bugzilla.redhat.com/show_bug.cgi?id=827381#c2
I don't find this to be the case though. Have you been able to achieve native performance for video content over SPICE, and if so how?
Cheers!
/Rune
On Mon, Jun 16, 2014 at 9:04 AM, Giuseppe Scrivano <gscrivan@xxxxxxxxxx> wrote:
you can edit the definition XML for the virtual machine trough virsh:Rune Kjær Svendsen <runesvend@xxxxxxxxx> writes:
> Hello list
>
> I'm experimenting with improving performance of viewing a qemu guest
> running on localhost via SPICE.
>
> I would like to see if turning off image compression will increase the
> framerate I currently get.
>
> This is done by adding the following option to the -spice command when
> running qemu-system-x86_64:
>
> image-compression=off
>
> But I can't find out how to add the option in virt-manager. If this
> isn't possible, is there some other way of adding this option to the -
> spice options list when virt-manager runs qemu-system-x86_64?
# virsh edit $VM_NAME
and specify the image compression in the graphics xml block, mine looks
like this:
<graphics type='spice' autoport='yes' listen='::'>
<listen type='address' address='::'/>
<image compression='off'/>
</graphics>
Regards,
Giuseppe
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