KVM: trace guest fpu loads and unloads

Signed-off-by: Avi Kivity <avi@redhat.com>
Signed-off-by: Marcelo Tosatti <mtosatti@redhat.com>

1 files changed, 2 insertions, 0 deletions

diff --git a/arch/x86/kvm/x86.c b/arch/x86/kvm/x86.c
index 27af6e353b06..3b90298fb980 100644
--- a/arch/x86/kvm/x86.c
+++ b/arch/x86/kvm/x86.c
@@ -5292,6 +5292,7 @@ void kvm_load_guest_fpu(struct kvm_vcpu *vcpu)
         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 @@ void kvm_put_guest_fpu(struct kvm_vcpu *vcpu)
         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)