--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/src/hotspot/share/memory/metaspace/printMetaspaceInfoKlassClosure.cpp	Wed May 30 17:30:06 2018 +0200
@@ -0,0 +1,60 @@
+/*
+ * Copyright (c) 2018, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2018, SAP and/or its affiliates.
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
+ *
+ * This code is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License version 2 only, as
+ * published by the Free Software Foundation.
+ *
+ * This code is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
+ * version 2 for more details (a copy is included in the LICENSE file that
+ * accompanied this code).
+ *
+ * You should have received a copy of the GNU General Public License version
+ * 2 along with this work; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
+ *
+ * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
+ * or visit www.oracle.com if you need additional information or have any
+ * questions.
+ *
+ */
+#include "precompiled.hpp"
+
+#include "classfile/systemDictionary.hpp"
+#include "memory/metaspace/printMetaspaceInfoKlassClosure.hpp"
+#include "memory/resourceArea.hpp"
+#include "oops/constantPool.inline.hpp"
+#include "oops/instanceKlass.hpp"
+#include "oops/klass.hpp"
+#include "utilities/constantTag.hpp"
+#include "utilities/globalDefinitions.hpp"
+#include "utilities/ostream.hpp"
+
+
+namespace metaspace {
+
+PrintMetaspaceInfoKlassClosure::PrintMetaspaceInfoKlassClosure(outputStream* out, bool do_print)
+: _out(out), _do_print(do_print)
+, _num_classes(0), _num_instance_classes(0), _num_array_classes(0) {
+}
+
+void PrintMetaspaceInfoKlassClosure::do_klass(Klass* k) {
+  _num_classes ++;
+  if (k->is_instance_klass()) {
+    _num_instance_classes ++;
+  } else if (k->is_array_klass()) {
+    _num_array_classes ++;
+  }
+  if (_do_print) {
+    _out->cr_indent();
+    _out->print(UINTX_FORMAT_W(4) ": ", _num_classes);
+    ResourceMark rm;
+    _out->print("%s", k->external_name());
+  }
+}
+
+} // namespace metaspace