Mercurial > hg > truffle
annotate test/gc/metaspace/TestMetaspaceMemoryPool.java @ 12226:7944aba7ba41
8015107: NPG: Use consistent naming for metaspace concepts
Reviewed-by: coleenp, mgerdin, hseigel
| author | ehelin |
|---|---|
| date | Mon, 12 Aug 2013 17:37:02 +0200 |
| parents | 71963b3f802a |
| children | 73d0d0218068 |
| rev | line source |
|---|---|
| 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; | |
| 25 import java.lang.management.ManagementFactory; | |
| 26 import java.lang.management.MemoryManagerMXBean; | |
| 27 import java.lang.management.MemoryPoolMXBean; | |
| 28 import java.lang.management.MemoryUsage; | |
| 29 | |
| 30 import java.lang.management.RuntimeMXBean; | |
| 31 import java.lang.management.ManagementFactory; | |
| 32 | |
| 33 /* @test TestMetaspaceMemoryPool | |
| 34 * @bug 8000754 | |
| 35 * @summary Tests that a MemoryPoolMXBeans is created for metaspace and that a | |
| 36 * MemoryManagerMXBean is created. | |
| 37 * @run main/othervm -XX:+IgnoreUnrecognizedVMOptions -XX:-UseCompressedOops TestMetaspaceMemoryPool | |
| 38 * @run main/othervm -XX:+IgnoreUnrecognizedVMOptions -XX:-UseCompressedOops -XX:MaxMetaspaceSize=60m TestMetaspaceMemoryPool | |
|
12226
7944aba7ba41
8015107: NPG: Use consistent naming for metaspace concepts
ehelin
parents:
11039
diff
changeset
|
39 * @run main/othervm -XX:+IgnoreUnrecognizedVMOptions -XX:+UseCompressedOops -XX:+UseCompressedClassPointers TestMetaspaceMemoryPool |
|
7944aba7ba41
8015107: NPG: Use consistent naming for metaspace concepts
ehelin
parents:
11039
diff
changeset
|
40 * @run main/othervm -XX:+IgnoreUnrecognizedVMOptions -XX:+UseCompressedOops -XX:+UseCompressedClassPointers -XX:CompressedClassSpaceSize=60m TestMetaspaceMemoryPool |
| 11039 | 41 */ |
| 42 public class TestMetaspaceMemoryPool { | |
| 43 public static void main(String[] args) { | |
| 44 verifyThatMetaspaceMemoryManagerExists(); | |
| 45 verifyMemoryPool(getMemoryPool("Metaspace"), isFlagDefined("MaxMetaspaceSize")); | |
| 46 | |
| 47 if (runsOn64bit()) { | |
| 48 if (usesCompressedOops()) { | |
| 49 MemoryPoolMXBean cksPool = getMemoryPool("Compressed Class Space"); | |
| 50 verifyMemoryPool(cksPool, true); | |
| 51 } | |
| 52 } | |
| 53 } | |
| 54 | |
| 55 private static boolean runsOn64bit() { | |
| 56 return !System.getProperty("sun.arch.data.model").equals("32"); | |
| 57 } | |
| 58 | |
| 59 private static boolean usesCompressedOops() { | |
| 60 return isFlagDefined("+UseCompressedOops"); | |
| 61 } | |
| 62 | |
| 63 private static boolean isFlagDefined(String name) { | |
| 64 RuntimeMXBean runtimeMxBean = ManagementFactory.getRuntimeMXBean(); | |
| 65 List<String> args = runtimeMxBean.getInputArguments(); | |
| 66 for (String arg : args) { | |
| 67 if (arg.startsWith("-XX:" + name)) { | |
| 68 return true; | |
| 69 } | |
| 70 } | |
| 71 return false; | |
| 72 } | |
| 73 | |
| 74 private static void verifyThatMetaspaceMemoryManagerExists() { | |
| 75 List<MemoryManagerMXBean> managers = ManagementFactory.getMemoryManagerMXBeans(); | |
| 76 for (MemoryManagerMXBean manager : managers) { | |
| 77 if (manager.getName().equals("Metaspace Manager")) { | |
| 78 return; | |
| 79 } | |
| 80 } | |
| 81 | |
| 82 throw new RuntimeException("Expected to find a metaspace memory manager"); | |
| 83 } | |
| 84 | |
| 85 private static MemoryPoolMXBean getMemoryPool(String name) { | |
| 86 List<MemoryPoolMXBean> pools = ManagementFactory.getMemoryPoolMXBeans(); | |
| 87 for (MemoryPoolMXBean pool : pools) { | |
| 88 if (pool.getName().equals(name)) { | |
| 89 return pool; | |
| 90 } | |
| 91 } | |
| 92 | |
| 93 throw new RuntimeException("Expected to find a memory pool with name " + name); | |
| 94 } | |
| 95 | |
| 96 private static void verifyMemoryPool(MemoryPoolMXBean pool, boolean isMaxDefined) { | |
| 97 MemoryUsage mu = pool.getUsage(); | |
| 98 assertDefined(mu.getInit(), "init"); | |
| 99 assertDefined(mu.getUsed(), "used"); | |
| 100 assertDefined(mu.getCommitted(), "committed"); | |
| 101 | |
| 102 if (isMaxDefined) { | |
| 103 assertDefined(mu.getMax(), "max"); | |
| 104 } else { | |
| 105 assertUndefined(mu.getMax(), "max"); | |
| 106 } | |
| 107 } | |
| 108 | |
| 109 private static void assertDefined(long value, String name) { | |
| 110 assertTrue(value != -1, "Expected " + name + " to be defined"); | |
| 111 } | |
| 112 | |
| 113 private static void assertUndefined(long value, String name) { | |
| 114 assertEquals(value, -1, "Expected " + name + " to be undefined"); | |
| 115 } | |
| 116 | |
| 117 private static void assertEquals(long actual, long expected, String msg) { | |
| 118 assertTrue(actual == expected, msg); | |
| 119 } | |
| 120 | |
| 121 private static void assertTrue(boolean condition, String msg) { | |
| 122 if (!condition) { | |
| 123 throw new RuntimeException(msg); | |
| 124 } | |
| 125 } | |
| 126 } |