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, 19 insertions, 0 deletions

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 */