Mercurial > hg > truffle
annotate test/runtime/NMT/ReleaseCommittedMemory.java @ 14010:c7c9624f8ca2
Fix corner case in stamp computation of zero extension.
author | Roland Schatz <roland.schatz@oracle.com> |
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date | Mon, 24 Feb 2014 15:02:52 +0100 |
parents | c18152e0554e |
children | ac12996df59b |
rev | line source |
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1 /* |
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2 * Copyright (c) 2013, Oracle and/or its affiliates. All rights reserved. |
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3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
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4 * |
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5 * This code is free software; you can redistribute it and/or modify it |
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6 * under the terms of the GNU General Public License version 2 only, as |
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7 * published by the Free Software Foundation. |
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8 * |
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9 * This code is distributed in the hope that it will be useful, but WITHOUT |
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10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
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11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
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12 * version 2 for more details (a copy is included in the LICENSE file that |
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13 * accompanied this code). |
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14 * |
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15 * You should have received a copy of the GNU General Public License version |
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16 * 2 along with this work; if not, write to the Free Software Foundation, |
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17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
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18 * |
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19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
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20 * or visit www.oracle.com if you need additional information or have any |
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21 * questions. |
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22 */ |
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23 |
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24 /* |
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25 * @test |
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26 * @bug 8013120 |
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27 * @summary Release committed memory and make sure NMT handles it correctly |
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28 * @key nmt regression |
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29 * @library /testlibrary /testlibrary/whitebox |
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30 * @build ReleaseCommittedMemory |
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31 * @run main ClassFileInstaller sun.hotspot.WhiteBox |
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32 * @run main/othervm -Xbootclasspath/a:. -XX:+UnlockDiagnosticVMOptions -XX:+WhiteBoxAPI -XX:NativeMemoryTracking=detail ReleaseCommittedMemory |
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33 */ |
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34 |
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35 import sun.hotspot.WhiteBox; |
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36 |
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37 public class ReleaseCommittedMemory { |
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38 |
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39 public static void main(String args[]) throws Exception { |
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40 WhiteBox wb = WhiteBox.getWhiteBox(); |
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41 long reserveSize = 256 * 1024; |
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42 long addr; |
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43 |
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44 addr = wb.NMTReserveMemory(reserveSize); |
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45 wb.NMTCommitMemory(addr, 128*1024); |
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46 wb.NMTReleaseMemory(addr, reserveSize); |
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47 wb.NMTWaitForDataMerge(); |
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48 } |
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49 } |
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50 |