On 03/05/2014 04:47 PM, Martin Pavlásek wrote:
> On Thu 06 Mar 2014 00:42:27 CET, Eric Blake wrote:
>> On 03/05/2014 04:32 PM, Martin Pavlásek wrote:
>>> Hi
>>>
>>> I tried to restrict usage of some running VM by cpu.shares (i.e. set to
>>> 10 from original 1024) on loaded system and it seem doesn't work as I
>>> expected... all running processes has same CPU usage (by htop) :-/
>>
>> How exactly are you changing the cgroup settings? Are you trying to
>> directly modify cgroup files (unsupported), or using the libvirt API
>> (such as via virsh schedinfo)?
>>
> Via mounted virtualfs -
> /sys/fs/cgroup/cpu/machine/<name-of-VM>/{emulator,vcpu0}/cpu.shares
Won't work, because it goes behind libvirt's back. Use virsh instead.
--
Eric Blake eblake redhat com +1-919-301-3266
Libvirt virtualization library http://libvirt.org
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