Re: [libvirt] Global domain cpu.cfs_quota_us setup

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&... > "*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