Re: [ovirt-users] Ovirt VM Performance abd CPU times

We tried a minimal installation from CD of RedHat 5.10 and it is the same. This should be fairly easy to reproduce: - Install a RedHat 6.5 hypervisor - Install a RedHat 5.10 guest in it - Enjoy your overused CPU Is there someone with a similar setup out there? Xavier On Fri, Nov 7, 2014 at 12:30 PM, Gianluca Cecchi < gianluca.cecchi(a)gmail.com&gt; wrote: > On Fri, Nov 7, 2014 at 10:48 AM, Xavier Naveira <xnaveira(a)gmail.com&gt; > wrote: > >> Hi, >> >> We have installed and added a new hypervisor into the ovirt cluster but >> this time with disabled HT. >> >> I migrated a RedHat 5.10 machine to it and immediately the qemu-kvm >> process running the vm (freshly installed, just basic packages) began to >> consume 20-40% CPU as showed running top on the hypervisor. >> >> Now that I have a hypervisor to run tests in, what would you suggest the >> next step is? >> >> Thank you. >> >> Xavier >> >> >> > If I remember correctly you had to test plain Qemu/KVM on CentOS 6.5 and > see if the difference is made by oVirt itself or by the OS changed from 5.x > to 6.y... > And also compare command line (eventually both in 5.x and 6.x) between > plain Qemu/KVM and oVirt spawned VMs > Gianluca >