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