--- a/hotspot/test/gc/class_unloading/AllocateBeyondMetaspaceSize.java Wed Jul 05 20:01:50 2017 +0200
+++ /dev/null Thu Jan 01 00:00:00 1970 +0000
@@ -1,59 +0,0 @@
-/*
- * Copyright (c) 2014, 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.
- */
-
-import sun.hotspot.WhiteBox;
-
-class AllocateBeyondMetaspaceSize {
- public static Object dummy;
-
- public static void main(String [] args) {
- if (args.length != 2) {
- throw new IllegalArgumentException("Usage: <MetaspaceSize> <YoungGenSize>");
- }
-
- long metaspaceSize = Long.parseLong(args[0]);
- long youngGenSize = Long.parseLong(args[1]);
-
- run(metaspaceSize, youngGenSize);
- }
-
- private static void run(long metaspaceSize, long youngGenSize) {
- WhiteBox wb = WhiteBox.getWhiteBox();
-
- long allocationBeyondMetaspaceSize = metaspaceSize * 2;
- long metaspace = wb.allocateMetaspace(null, allocationBeyondMetaspaceSize);
-
- triggerYoungGC(youngGenSize);
-
- wb.freeMetaspace(null, metaspace, metaspace);
- }
-
- private static void triggerYoungGC(long youngGenSize) {
- long approxAllocSize = 32 * 1024;
- long numAllocations = 2 * youngGenSize / approxAllocSize;
-
- for (long i = 0; i < numAllocations; i++) {
- dummy = new byte[(int)approxAllocSize];
- }
- }
-}