--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/src/hotspot/share/memory/metaspace/internStat.cpp	Tue Sep 10 09:24:05 2019 +0200
@@ -0,0 +1,60 @@
+/*
+ * Copyright (c) 2019, SAP SE. All rights reserved.
+ * Copyright (c) 2019, Oracle and/or its affiliates. All rights reserved.
+ * 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 "memory/metaspace/internStat.hpp"
+#include "utilities/globalDefinitions.hpp"
+#include "utilities/ostream.hpp"
+
+#ifdef ASSERT
+
+namespace metaspace {
+
+#define CREATE_COUNTER(name)          uintx InternalStats::_##name;
+#define CREATE_ATOMIC_COUNTER(name)   volatile uintx InternalStats::_##name;
+
+  ALL_MY_COUNTERS(CREATE_COUNTER, CREATE_ATOMIC_COUNTER)
+
+#undef MATERIALIZE_COUNTER
+#undef MATERIALIZE_ATOMIC_COUNTER
+
+void InternalStats::print_on(outputStream* st) {
+
+#define xstr(s) str(s)
+#define str(s) #s
+
+#define PRINTER(name)  st->print_cr("%s: " UINTX_FORMAT ".", xstr(name), _##name);
+
+  ALL_MY_COUNTERS(PRINTER, PRINTER)
+
+#undef PRINTER
+
+}
+
+} // namespace metaspace
+
+#endif // ASSERT