Re: [PATCH V2 5/5] ara virt interface of perf to support kvm guest os statistics collection in guest os

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On 06/21/2010 12:31 PM, Zhang, Yanmin wrote:
The 5th patch is applied to the latest qemu-kvm tree.

--- qemu-kvm_0621/target-i386/kvm.c	2010-06-21 11:00:29.000000000 +0800
+++ qemu-kvm_0621_perf/target-i386/kvm.c	2010-06-21 13:00:14.136999850 +0800
@@ -150,6 +150,9 @@ struct kvm_para_features {
  #ifdef KVM_CAP_PV_MMU
          { KVM_CAP_PV_MMU, KVM_FEATURE_MMU_OP },
  #endif
+#ifdef KVM_CAP_PV_PERF
+        { KVM_CAP_PV_PERF, KVM_FEATURE_PV_PERF },
+#endif
          { -1, -1 }
  };



Not really necessary any more - if you expose the cpuid bit via KVM_GET_SUPPORTED_CPUID2 then 'qemu -cpu host' will automatically enable it.

On the other hand, do update target-i386/cpuid.c:kvm_feature_name so people can enable the feature using qemu -cpu ...,+kvmperf.

--
error compiling committee.c: too many arguments to function

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