[libvirt] Global domain cpu.cfs_quota_us setup

[Alexander Burluka]

Thank you for help!

On 12/21/2015 02:57 PM, Daniel P. Berrange wrote:
> On Mon, Dec 21, 2015 at 02:47:14PM +0300, Alexander Burluka wrote:
>> Hi!
>> Thank you for answer, Daniel, I should excuse for a long delay before reply.
>> It was caused by long offline discussion in our company .
>> Our business logic needs this top level cgroup. Parallels Cloud Server 6
>> users have use this
>> cgroup for a long time and want similar functionality. Also we believe that
>> VMWare virtual machines has specified limit:
>> http://kb.vmware.com/selfservice/microsites/search.do?language=en_US&cmd=displayKC&externalId=1033115
>> "*Note*: For an SMP virtual machine, the sum of all vCPUs cannot exceed the
>> specified limit.
>>   For example, 4 vCPU virtual machine with a limit of 1200MHz and equal load
>> among vCPUs would result in a max of 300MHz per vCPU."
>> Would anyone mind if we implement this feature as an optional parameter in
>> libvirt?
> If the global limit is opt-in, then I don't see a strong reason to
> object, as it is just giving mgmt apps further choice in how to control
> CPU usage.
>
> Regards,
> Daniel

-- 
Regards,
Alexander Burluka