Mercurial > jdk8-mips64-public > hotspot / annotate
test/gc/metaspace/TestMetaspaceMemoryPool.java@f90c822e73f8 (annotated)
test/gc/metaspace/TestMetaspaceMemoryPool.java
Wed, 27 Apr 2016 01:25:04 +0800
- author
- aoqi
- date
- Wed, 27 Apr 2016 01:25:04 +0800
- changeset 0
- f90c822e73f8
- child 6876
- 710a3c8b516e
- permissions
- -rw-r--r--
Initial load
http://hg.openjdk.java.net/jdk8u/jdk8u/hotspot/
changeset: 6782:28b50d07f6f8
tag: jdk8u25-b17
| aoqi@0 | 1 | /* |
| aoqi@0 | 2 | * Copyright (c) 2013, Oracle and/or its affiliates. All rights reserved. |
| aoqi@0 | 3 | * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
| aoqi@0 | 4 | * |
| aoqi@0 | 5 | * This code is free software; you can redistribute it and/or modify it |
| aoqi@0 | 6 | * under the terms of the GNU General Public License version 2 only, as |
| aoqi@0 | 7 | * published by the Free Software Foundation. |
| aoqi@0 | 8 | * |
| aoqi@0 | 9 | * This code is distributed in the hope that it will be useful, but WITHOUT |
| aoqi@0 | 10 | * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
| aoqi@0 | 11 | * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
| aoqi@0 | 12 | * version 2 for more details (a copy is included in the LICENSE file that |
| aoqi@0 | 13 | * accompanied this code). |
| aoqi@0 | 14 | * |
| aoqi@0 | 15 | * You should have received a copy of the GNU General Public License version |
| aoqi@0 | 16 | * 2 along with this work; if not, write to the Free Software Foundation, |
| aoqi@0 | 17 | * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
| aoqi@0 | 18 | * |
| aoqi@0 | 19 | * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
| aoqi@0 | 20 | * or visit www.oracle.com if you need additional information or have any |
| aoqi@0 | 21 | * questions. |
| aoqi@0 | 22 | */ |
| aoqi@0 | 23 | |
| aoqi@0 | 24 | import java.util.List; |
| aoqi@0 | 25 | import java.lang.management.*; |
| aoqi@0 | 26 | import com.oracle.java.testlibrary.*; |
| aoqi@0 | 27 | import static com.oracle.java.testlibrary.Asserts.*; |
| aoqi@0 | 28 | |
| aoqi@0 | 29 | /* @test TestMetaspaceMemoryPool |
| aoqi@0 | 30 | * @bug 8000754 |
| aoqi@0 | 31 | * @summary Tests that a MemoryPoolMXBeans is created for metaspace and that a |
| aoqi@0 | 32 | * MemoryManagerMXBean is created. |
| aoqi@0 | 33 | * @library /testlibrary |
| aoqi@0 | 34 | * @run main/othervm -XX:+IgnoreUnrecognizedVMOptions -XX:-UseCompressedOops TestMetaspaceMemoryPool |
| aoqi@0 | 35 | * @run main/othervm -XX:+IgnoreUnrecognizedVMOptions -XX:-UseCompressedOops -XX:MaxMetaspaceSize=60m TestMetaspaceMemoryPool |
| aoqi@0 | 36 | * @run main/othervm -XX:+IgnoreUnrecognizedVMOptions -XX:+UseCompressedOops -XX:+UseCompressedClassPointers TestMetaspaceMemoryPool |
| aoqi@0 | 37 | * @run main/othervm -XX:+IgnoreUnrecognizedVMOptions -XX:+UseCompressedOops -XX:+UseCompressedClassPointers -XX:CompressedClassSpaceSize=60m TestMetaspaceMemoryPool |
| aoqi@0 | 38 | */ |
| aoqi@0 | 39 | public class TestMetaspaceMemoryPool { |
| aoqi@0 | 40 | public static void main(String[] args) { |
| aoqi@0 | 41 | verifyThatMetaspaceMemoryManagerExists(); |
| aoqi@0 | 42 | |
| aoqi@0 | 43 | boolean isMetaspaceMaxDefined = InputArguments.containsPrefix("-XX:MaxMetaspaceSize"); |
| aoqi@0 | 44 | verifyMemoryPool(getMemoryPool("Metaspace"), isMetaspaceMaxDefined); |
| aoqi@0 | 45 | |
| aoqi@0 | 46 | if (Platform.is64bit()) { |
| aoqi@0 | 47 | if (InputArguments.contains("-XX:+UseCompressedOops")) { |
| aoqi@0 | 48 | MemoryPoolMXBean cksPool = getMemoryPool("Compressed Class Space"); |
| aoqi@0 | 49 | verifyMemoryPool(cksPool, true); |
| aoqi@0 | 50 | } |
| aoqi@0 | 51 | } |
| aoqi@0 | 52 | } |
| aoqi@0 | 53 | |
| aoqi@0 | 54 | private static void verifyThatMetaspaceMemoryManagerExists() { |
| aoqi@0 | 55 | List<MemoryManagerMXBean> managers = ManagementFactory.getMemoryManagerMXBeans(); |
| aoqi@0 | 56 | for (MemoryManagerMXBean manager : managers) { |
| aoqi@0 | 57 | if (manager.getName().equals("Metaspace Manager")) { |
| aoqi@0 | 58 | return; |
| aoqi@0 | 59 | } |
| aoqi@0 | 60 | } |
| aoqi@0 | 61 | |
| aoqi@0 | 62 | throw new RuntimeException("Expected to find a metaspace memory manager"); |
| aoqi@0 | 63 | } |
| aoqi@0 | 64 | |
| aoqi@0 | 65 | private static MemoryPoolMXBean getMemoryPool(String name) { |
| aoqi@0 | 66 | List<MemoryPoolMXBean> pools = ManagementFactory.getMemoryPoolMXBeans(); |
| aoqi@0 | 67 | for (MemoryPoolMXBean pool : pools) { |
| aoqi@0 | 68 | if (pool.getName().equals(name)) { |
| aoqi@0 | 69 | return pool; |
| aoqi@0 | 70 | } |
| aoqi@0 | 71 | } |
| aoqi@0 | 72 | |
| aoqi@0 | 73 | throw new RuntimeException("Expected to find a memory pool with name " + name); |
| aoqi@0 | 74 | } |
| aoqi@0 | 75 | |
| aoqi@0 | 76 | private static void verifyMemoryPool(MemoryPoolMXBean pool, boolean isMaxDefined) { |
| aoqi@0 | 77 | MemoryUsage mu = pool.getUsage(); |
| aoqi@0 | 78 | long init = mu.getInit(); |
| aoqi@0 | 79 | long used = mu.getUsed(); |
| aoqi@0 | 80 | long committed = mu.getCommitted(); |
| aoqi@0 | 81 | long max = mu.getMax(); |
| aoqi@0 | 82 | |
| aoqi@0 | 83 | assertGTE(init, 0L); |
| aoqi@0 | 84 | assertGTE(used, init); |
| aoqi@0 | 85 | assertGTE(committed, used); |
| aoqi@0 | 86 | |
| aoqi@0 | 87 | if (isMaxDefined) { |
| aoqi@0 | 88 | assertGTE(max, committed); |
| aoqi@0 | 89 | } else { |
| aoqi@0 | 90 | assertEQ(max, -1L); |
| aoqi@0 | 91 | } |
| aoqi@0 | 92 | } |
| aoqi@0 | 93 | } |
