[et-mgmt-tools] ANNOUNCE: virt-top released

Farkas Levente lfarkas at bppiac.hu
Fri Sep 21 10:11:05 UTC 2007

Richard W.M. Jones wrote:
> Richard W.M. Jones wrote:
>> Richard W.M. Jones wrote:
>>> Farkas Levente wrote:
>>>> [root at kvm ~]# /usr/bin/virt-top --connect qemu:///system
>>>> libvir: error : this function is not supported by the hypervisor:
>>>> virConnectGetHostname
>>>> Fatal error: exception Libvirt.Virterror(3, 0, _, 2, _, 0, _, _, 0,
>>>> _, _, 0)
>>>> [root at kvm ~]# rpm -q libvirt
>>>> libvirt-0.3.2-2
>>> You've found a real bug.  Virt-top is not very well tested against
>>> qemu, or rather that should be not tested at all.  But I'll go and
>>> try to make it work with qemu now.  Probably take a few hours though ...
>> The patch to fix that particular bug is attached.  There may be other
>> though, still testing ...
> OK, I'm fairly sure this is the only patch needed.
> I'm going to roll this in to the next ( release later.
> Libvirt needs works to support block and network stats from QEMU/KVM.
> Virt-top won't fail because this is missing, it just can't display
> anything in those columns.  The work as far as I understand it is fairly
> simple, but also lower down on my list of priorities at the moment.
> Another thing which virt-top uses but which is missing in QEMU/KVM is
> physical CPU usage and CPU pinning.  I have absolutely no idea if qemu
> supports this -- I assume it does through ordinary Linux mechanisms such
> as numactl.  As for KVM, no idea whatsoever.

maybe you can ask kvm people:-)
anyway if the new version will be uploaded i can try it again.

  Levente                               "Si vis pacem para bellum!"

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