KVM: trace guest fpu loads and unloads
Signed-off-by: Avi Kivity <avi@redhat.com>
Signed-off-by: Marcelo Tosatti <mtosatti@redhat.com>
diff --git a/arch/x86/kvm/x86.c b/arch/x86/kvm/x86.c
index 27af6e3..3b90298 100644
--- a/arch/x86/kvm/x86.c
+++ b/arch/x86/kvm/x86.c
@@ -5292,6 +5292,7 @@
vcpu->guest_fpu_loaded = 1;
kvm_fx_save(&vcpu->arch.host_fx_image);
kvm_fx_restore(&vcpu->arch.guest_fx_image);
+ trace_kvm_fpu(1);
}
void kvm_put_guest_fpu(struct kvm_vcpu *vcpu)
@@ -5304,6 +5305,7 @@
kvm_fx_restore(&vcpu->arch.host_fx_image);
++vcpu->stat.fpu_reload;
set_bit(KVM_REQ_DEACTIVATE_FPU, &vcpu->requests);
+ trace_kvm_fpu(0);
}
void kvm_arch_vcpu_free(struct kvm_vcpu *vcpu)