On Wed, Jan 11, 2012 at 01:47:55PM -0700, David Ahern wrote: > Using latest kernel tree (e343a895a9f342f239c5e3c5ffc6c0b1707e6244) > which has KVM bits for using PMU in the guest. Host and guest are both > running Fedora 16, 64-bit, with this kernel. > > Running this command in the guest: > perf stat -ddd -- openssl speed aes > > Generates this in the host: > [74728.221863] kvm_set_msr_common: 2760 callbacks suppressed > [74728.221950] kvm: 28217: cpu2 unhandled wrmsr: 0x1a6 data f701 > [74728.222115] kvm: 28217: cpu2 unhandled wrmsr: 0x1a6 data f701 > [74728.222858] kvm: 28217: cpu2 unhandled wrmsr: 0x1a6 data f701 > [74728.223018] kvm: 28217: cpu2 unhandled wrmsr: 0x1a6 data f701 > [74728.223851] kvm: 28217: cpu2 unhandled wrmsr: 0x1a6 data f701 > [74728.224009] kvm: 28217: cpu2 unhandled wrmsr: 0x1a6 data f701 > [74728.224843] kvm: 28217: cpu2 unhandled wrmsr: 0x1a6 data f701 > [74728.224997] kvm: 28217: cpu2 unhandled wrmsr: 0x1a6 data f701 > [74728.225842] kvm: 28217: cpu2 unhandled wrmsr: 0x1a6 data f001 > [74728.226010] kvm: 28217: cpu2 unhandled wrmsr: 0x1a6 data f001 > This is MSR_OFFCORE_RSP_0 MSR which is not (yet?) supported. What is your host cpu and qemu command line? -- Gleb. -- 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
