Displaying 5 results from an estimated 5 matches for "cpu_spec".
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2015 Nov 20
2
How to disable kvm_steal_time feature
Hi.
I would like to workaround a bug, when after live-migration of KVM
guest, there is a 100% steal time shown in guest.
I've read, that disabling 'kvm_steal_time' feature should workarund this
bug, but i can't find a way to disable it in libvirt's domain xml file.
Tried in <cpu> section:
<feature policy='disable' name='kvm_steal_time'/>
but
2015 Nov 27
2
Re: How to disable kvm_steal_time feature
...hould use the
> last one, so it should work), something like this:
>
> <domain type='kvm' xmlns:qemu='http://libvirt.org/schemas/domain/qemu/1.0
'>
> ...
> <qemu:commandline>
> <qemu:arg value='-cpu'/>
> <qemu:arg value='${CPU_SPEC},-kvm_steal_time'/>
> </qemu:commandline>
> </domain>
>
> where ${CPU_SPEC} is the next parameter after the '-cpu' one from the
> command line, so for qemu command line similar to this:
>
> qemu-kvm ... -cpu Nehalem,+feat,something ...
>
> the...
2015 Nov 27
0
Re: How to disable kvm_steal_time feature
...the -cpu parameter again (qemu should use the
last one, so it should work), something like this:
<domain type='kvm' xmlns:qemu='http://libvirt.org/schemas/domain/qemu/1.0'>
...
<qemu:commandline>
<qemu:arg value='-cpu'/>
<qemu:arg value='${CPU_SPEC},-kvm_steal_time'/>
</qemu:commandline>
</domain>
where ${CPU_SPEC} is the next parameter after the '-cpu' one from the
command line, so for qemu command line similar to this:
qemu-kvm ... -cpu Nehalem,+feat,something ...
the line in XML would be:
<qemu:arg v...
2015 Nov 27
0
Re: How to disable kvm_steal_time feature
...so it should work), something like this:
>>
>> <domain type='kvm' xmlns:qemu='http://libvirt.org/schemas/domain/qemu/1.0
>'>
>> ...
>> <qemu:commandline>
>> <qemu:arg value='-cpu'/>
>> <qemu:arg value='${CPU_SPEC},-kvm_steal_time'/>
>> </qemu:commandline>
>> </domain>
>>
>> where ${CPU_SPEC} is the next parameter after the '-cpu' one from the
>> command line, so for qemu command line similar to this:
>>
>> qemu-kvm ... -cpu Nehalem,+feat...
2015 Nov 27
2
Re: How to disable kvm_steal_time feature
2015-11-27 16:57 GMT+03:00 Martin Kletzander <mkletzan@redhat.com>:
> I don't think we report that in domain stats, but top/virt-top could
> help with that.
Ok libvirt can't get this value, but does it possible if i know cpu
stats of domain and host info (i don't know which =)) determine for
specific domain does it possible have steal time or not?
--
Vasiliy Tolstov,