On 2011-06-14 19:15, David Ahern wrote: > On 06/14/2011 02:36 AM, Avi Kivity wrote: >> On 06/13/2011 10:55 PM, David Ahern wrote: >>> On 06/13/2011 07:34 AM, Avi Kivity wrote: >>>> This patchset exposes an emulated version 1 architectural performance >>>> monitoring unit to KVM guests. The PMU is emulated using perf_events, >>>> so the host kernel can multiplex host-wide, host-user, and the >>>> guest on available resources. >>> >>> Any particular magic needed to try this patchset? >>> >> >> You'll need the attached patch, '-cpu host' (or '-cpu host,model=0' >> sometimes), and, as patch 2 is a guest bug fix, you'll need to run the >> patched kernel in the guest as well. >> > > qemu-kvm is not cooperating. git repo as of 05f1737582 with your patch > is aborting: > > Welcome to Fedora > Starting udev: [ 4.031626] udev[409]: starting version 161 > [ 4.831159] piix4_smbus 0000:00:01.3: SMBus Host Controller at > 0xb100, revision 0 > qemu-kvm: /exports/daahern/qemu-kvm.git/hw/msix.c:616: > msix_unset_mask_notifier: Assertion `dev->msix_mask_notifier' failed. Use the qemu-kvm next branch. It has the fix you need. Jan -- Siemens AG, Corporate Technology, CT T DE IT 1 Corporate Competence Center Embedded Linux -- To unsubscribe from this list: send the line "unsubscribe kvm" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html