Mercurial > hg > truffle
annotate test/gc/metaspace/TestMetaspaceMemoryPool.java @ 12248:73d0d0218068
8024718: Metaspace performance counters and memory pools should report the same data
Reviewed-by: stefank, dholmes, coleenp
| author | ehelin |
|---|---|
| date | Tue, 17 Sep 2013 20:59:07 +0200 |
| parents | 7944aba7ba41 |
| children |
| rev | line source |
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| 11039 | 1 /* |
| 2 * Copyright (c) 2013, Oracle and/or its affiliates. All rights reserved. | |
| 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. | |
| 4 * | |
| 5 * This code is free software; you can redistribute it and/or modify it | |
| 6 * under the terms of the GNU General Public License version 2 only, as | |
| 7 * published by the Free Software Foundation. | |
| 8 * | |
| 9 * This code is distributed in the hope that it will be useful, but WITHOUT | |
| 10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or | |
| 11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License | |
| 12 * version 2 for more details (a copy is included in the LICENSE file that | |
| 13 * accompanied this code). | |
| 14 * | |
| 15 * You should have received a copy of the GNU General Public License version | |
| 16 * 2 along with this work; if not, write to the Free Software Foundation, | |
| 17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. | |
| 18 * | |
| 19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA | |
| 20 * or visit www.oracle.com if you need additional information or have any | |
| 21 * questions. | |
| 22 */ | |
| 23 | |
| 24 import java.util.List; | |
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25 import java.lang.management.*; |
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26 import com.oracle.java.testlibrary.*; |
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27 import static com.oracle.java.testlibrary.Asserts.*; |
| 11039 | 28 |
| 29 /* @test TestMetaspaceMemoryPool | |
| 30 * @bug 8000754 | |
| 31 * @summary Tests that a MemoryPoolMXBeans is created for metaspace and that a | |
| 32 * MemoryManagerMXBean is created. | |
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33 * @library /testlibrary |
| 11039 | 34 * @run main/othervm -XX:+IgnoreUnrecognizedVMOptions -XX:-UseCompressedOops TestMetaspaceMemoryPool |
| 35 * @run main/othervm -XX:+IgnoreUnrecognizedVMOptions -XX:-UseCompressedOops -XX:MaxMetaspaceSize=60m TestMetaspaceMemoryPool | |
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36 * @run main/othervm -XX:+IgnoreUnrecognizedVMOptions -XX:+UseCompressedOops -XX:+UseCompressedClassPointers TestMetaspaceMemoryPool |
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37 * @run main/othervm -XX:+IgnoreUnrecognizedVMOptions -XX:+UseCompressedOops -XX:+UseCompressedClassPointers -XX:CompressedClassSpaceSize=60m TestMetaspaceMemoryPool |
| 11039 | 38 */ |
| 39 public class TestMetaspaceMemoryPool { | |
| 40 public static void main(String[] args) { | |
| 41 verifyThatMetaspaceMemoryManagerExists(); | |
| 42 | |
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43 boolean isMetaspaceMaxDefined = InputArguments.containsPrefix("-XX:MaxMetaspaceSize"); |
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44 verifyMemoryPool(getMemoryPool("Metaspace"), isMetaspaceMaxDefined); |
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45 |
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46 if (Platform.is64bit()) { |
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47 if (InputArguments.contains("-XX:+UseCompressedOops")) { |
| 11039 | 48 MemoryPoolMXBean cksPool = getMemoryPool("Compressed Class Space"); |
| 49 verifyMemoryPool(cksPool, true); | |
| 50 } | |
| 51 } | |
| 52 } | |
| 53 | |
| 54 private static void verifyThatMetaspaceMemoryManagerExists() { | |
| 55 List<MemoryManagerMXBean> managers = ManagementFactory.getMemoryManagerMXBeans(); | |
| 56 for (MemoryManagerMXBean manager : managers) { | |
| 57 if (manager.getName().equals("Metaspace Manager")) { | |
| 58 return; | |
| 59 } | |
| 60 } | |
| 61 | |
| 62 throw new RuntimeException("Expected to find a metaspace memory manager"); | |
| 63 } | |
| 64 | |
| 65 private static MemoryPoolMXBean getMemoryPool(String name) { | |
| 66 List<MemoryPoolMXBean> pools = ManagementFactory.getMemoryPoolMXBeans(); | |
| 67 for (MemoryPoolMXBean pool : pools) { | |
| 68 if (pool.getName().equals(name)) { | |
| 69 return pool; | |
| 70 } | |
| 71 } | |
| 72 | |
| 73 throw new RuntimeException("Expected to find a memory pool with name " + name); | |
| 74 } | |
| 75 | |
| 76 private static void verifyMemoryPool(MemoryPoolMXBean pool, boolean isMaxDefined) { | |
| 77 MemoryUsage mu = pool.getUsage(); | |
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78 long init = mu.getInit(); |
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79 long used = mu.getUsed(); |
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80 long committed = mu.getCommitted(); |
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81 long max = mu.getMax(); |
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82 |
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83 assertGTE(init, 0L); |
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84 assertGTE(used, init); |
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85 assertGTE(committed, used); |
| 11039 | 86 |
| 87 if (isMaxDefined) { | |
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88 assertGTE(max, committed); |
| 11039 | 89 } else { |
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90 assertEQ(max, -1L); |
| 11039 | 91 } |
| 92 } | |
| 93 } |