2 files changed, 21 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)
diff --git a/include/trace/events/kvm.h b/include/trace/events/kvm.h
index dbe108455275..8abdc1230143 100644
--- a/include/trace/events/kvm.h
+++ b/include/trace/events/kvm.h
@@ -145,6 +145,25 @@ TRACE_EVENT(kvm_mmio,
                   __entry->len, __entry->gpa, __entry->val)
 );
 
+#define kvm_fpu_load_symbol     \
+        {0, "unload"},          \
+        {1, "load"}
+
+TRACE_EVENT(kvm_fpu,
+        TP_PROTO(int load),
+        TP_ARGS(load),
+
+        TP_STRUCT__entry(
+                __field(        u32,            load            )
+        ),
+
+        TP_fast_assign(
+                __entry->load           = load;
+        ),
+
+        TP_printk("%s", __print_symbolic(__entry->load, kvm_fpu_load_symbol))
+);
+
 #endif /* _TRACE_KVM_MAIN_H */
 
 /* This part must be outside protection */