Re: kvm very slow

Avi Kivity
2007-08-01T16:41:52Z

Ulrich Schreiner wrote:
> hi,
>
> im using a 64 bit fedora7 system with a quad-core processor to host
> multiple virtual machines.
>
> my current kernel is:
>
> Linux testserver 2.6.22.1-27.fc7 #1 SMP Tue Jul 17 17:19:58 EDT 2007
> x86_64 x86_64 x86_64 GNU/Linux
>
> (now there is a 2.6.22.1-33.fc7 to download, but i think it is not the
> point here).
>
> i installed
>
> kvm.x86_64: 31-1.fc8
>
> because of a crash i reported as a bug with the older kvm module.
>
> this system starts a F7 image with the following command:
>
> /usr/bin/qemu-kvm
> -net nic,macadr=52.54.00.12.34.57
> -net tap,script=./ifup.py,ifname=tap0
> -hda /var/qemu/vm_images/F7image.img
> -boot c: -m 512 -vnc :2 -k de
>
> inside the image there is fedora 7, but a 32bit system.
>
> almost everything works (reboot hangs), but the system is extremely
> slow! the clock inside the system is extremely slow: every *virtual*
> second in the image is about two or more seconds in the *real* world.
>

Is there anything in dmesg? What does 'top' report? What does kvm_stat
show?

--
error compiling committee.c: too many arguments to function