Yeah, I would not compile libvirt and qemu-kvm from source either. What about this: http://forum.proxmox.com/threads/5770-Windows-guest-high-context-switch-rate-when-idle?s=65028c4f45a28ea2c09a3f311b600e7d&p=32972#post32972 Did you try this? Doesn't help? Zoltan On 4/7/2013 5:45 PM, Micky wrote: > On Sun, Apr 7, 2013 at 8:32 PM, Zoltan Frombach <zoltan@xxxxxxxxxxxx> wrote: >> Check out these threads they may help you solve your issue with Windows VMs: > Well I did. Upstream provides rpms till version 0.12.1.x. Even the > RHEV srpm (the one I am using) has the same version. And I don't want > to compile both libvirt and qemu-kvm from source since it is the > production machine. > >> http://forum.proxmox.com/threads/5770-Windows-guest-high-context-switch-rate-when-idle >> >> http://serverfault.com/questions/146922/why-is-idle-windows-vm-using-so-much-cpu > >> On 4/7/2013 5:18 PM, Banyan He wrote: >>> Maybe you can print out what it is doing, then try to figure out if they >>> are doing good. My linux works good, never tried windows. >>> > Did. Nothing abnormal. > A quick perf shows this: > > # ........ ........ .................. > .............................................. > # > 4.96% qemu-kvm [kvm] [k] kvm_arch_vcpu_ioctl_run > 4.83% qemu-kvm [kvm_intel] [k] vmx_vcpu_run > 4.47% qemu-kvm [kernel.kallsyms] [k] find_busiest_group > 3.23% qemu-kvm [kernel.kallsyms] [k] _spin_lock > 3.10% qemu-kvm [kernel.kallsyms] [k] native_write_msr_safe > 1.24% qemu-kvm [kernel.kallsyms] [k] _spin_lock_irq > 1.22% qemu-kvm [kvm] [k] paging64_walk_addr > 1.21% qemu-kvm [kvm] [k] x86_decode_insn > 1.21% qemu-kvm [kvm_intel] [k] vmcs_writel > >>> Banyan He > _______________________________________________ > CentOS-virt mailing list > CentOS-virt@xxxxxxxxxx > http://lists.centos.org/mailman/listinfo/centos-virt > _______________________________________________ CentOS-virt mailing list CentOS-virt@xxxxxxxxxx http://lists.centos.org/mailman/listinfo/centos-virt