diff --git a/qom/object_interfaces.c b/qom/object_interfaces.c
index 3216a754ed..d83c12744b 100644
--- a/qom/object_interfaces.c
+++ b/qom/object_interfaces.c
@@ -20,12 +20,14 @@
 #include "qapi/opts-visitor.h"
 #include "qemu/config-file.h"
 #include "qemu/keyval.h"
+#include "trace.h"
 
 bool user_creatable_complete(UserCreatable *uc, Error **errp)
 {
     UserCreatableClass *ucc = USER_CREATABLE_GET_CLASS(uc);
     ERRP_GUARD();
 
+    trace_user_creatable_complete(uc, object_get_typename(OBJECT(uc)));
     if (ucc->complete) {
         ucc->complete(uc, errp);
     }
@@ -35,11 +37,16 @@ bool user_creatable_complete(UserCreatable *uc, Error **errp)
 bool user_creatable_prepare_delete(UserCreatable *uc, Error **errp)
 {
     UserCreatableClass *ucc = USER_CREATABLE_GET_CLASS(uc);
+    bool ret = true;
 
+    trace_user_creatable_prepare_delete(uc, object_get_typename(OBJECT(uc)));
     if (ucc->prepare_delete) {
-        return ucc->prepare_delete(uc, errp);
+        ret = ucc->prepare_delete(uc, errp);
     }
-    return true;
+    trace_user_creatable_prepare_delete_result(
+        uc, object_get_typename(OBJECT(uc)),
+        *errp ? error_get_pretty(*errp) : NULL);
+    return ret;
 }
 
 void user_creatable_add_qapi(ObjectOptions *options, Error **errp)
diff --git a/qom/trace-events b/qom/trace-events
index 44c63e72af..bac8472618 100644
--- a/qom/trace-events
+++ b/qom/trace-events
@@ -11,3 +11,8 @@ object_property_del_child(void *obj, const char *type, void *child, const char *
 object_property_parse(void *obj, const char *type, const char *name, const char *value) "obj=%p type=%s prop=%s value=%s"
 object_class_dynamic_cast_assert(const char *type, const char *target, const char *file, int line, const char *func) "type=%s->%s (%s:%d:%s)"
 object_class_property_add(const char *type, const char *name, void *value) "type=%s name=%s value=%p"
+
+# object_interfaces.c
+user_creatable_complete(void *obj, const char *type) "obj=%p type=%s"
+user_creatable_prepare_delete(void *obj, const char *type) "obj=%p type=%s"
+user_creatable_prepare_delete_result(void *obj, const char *type, const char *msg) "obj=%p type=%s msg=%s"