Mercurial > hg > graal-compiler
view test/gc/metaspace/TestMetaspaceMemoryPool.java @ 12398:c78612fb0120
Truffle-DSL. fixed some issues with new generation strategy.
author | Christian Humer <christian.humer@gmail.com> |
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date | Fri, 11 Oct 2013 20:45:14 +0200 |
parents | 71963b3f802a |
children | 7944aba7ba41 |
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/* * Copyright (c) 2013, 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 java.util.List; import java.lang.management.ManagementFactory; import java.lang.management.MemoryManagerMXBean; import java.lang.management.MemoryPoolMXBean; import java.lang.management.MemoryUsage; import java.lang.management.RuntimeMXBean; import java.lang.management.ManagementFactory; /* @test TestMetaspaceMemoryPool * @bug 8000754 * @summary Tests that a MemoryPoolMXBeans is created for metaspace and that a * MemoryManagerMXBean is created. * @run main/othervm -XX:+IgnoreUnrecognizedVMOptions -XX:-UseCompressedOops TestMetaspaceMemoryPool * @run main/othervm -XX:+IgnoreUnrecognizedVMOptions -XX:-UseCompressedOops -XX:MaxMetaspaceSize=60m TestMetaspaceMemoryPool * @run main/othervm -XX:+IgnoreUnrecognizedVMOptions -XX:+UseCompressedOops -XX:+UseCompressedKlassPointers TestMetaspaceMemoryPool * @run main/othervm -XX:+IgnoreUnrecognizedVMOptions -XX:+UseCompressedOops -XX:+UseCompressedKlassPointers -XX:ClassMetaspaceSize=60m TestMetaspaceMemoryPool */ public class TestMetaspaceMemoryPool { public static void main(String[] args) { verifyThatMetaspaceMemoryManagerExists(); verifyMemoryPool(getMemoryPool("Metaspace"), isFlagDefined("MaxMetaspaceSize")); if (runsOn64bit()) { if (usesCompressedOops()) { MemoryPoolMXBean cksPool = getMemoryPool("Compressed Class Space"); verifyMemoryPool(cksPool, true); } } } private static boolean runsOn64bit() { return !System.getProperty("sun.arch.data.model").equals("32"); } private static boolean usesCompressedOops() { return isFlagDefined("+UseCompressedOops"); } private static boolean isFlagDefined(String name) { RuntimeMXBean runtimeMxBean = ManagementFactory.getRuntimeMXBean(); List<String> args = runtimeMxBean.getInputArguments(); for (String arg : args) { if (arg.startsWith("-XX:" + name)) { return true; } } return false; } private static void verifyThatMetaspaceMemoryManagerExists() { List<MemoryManagerMXBean> managers = ManagementFactory.getMemoryManagerMXBeans(); for (MemoryManagerMXBean manager : managers) { if (manager.getName().equals("Metaspace Manager")) { return; } } throw new RuntimeException("Expected to find a metaspace memory manager"); } private static MemoryPoolMXBean getMemoryPool(String name) { List<MemoryPoolMXBean> pools = ManagementFactory.getMemoryPoolMXBeans(); for (MemoryPoolMXBean pool : pools) { if (pool.getName().equals(name)) { return pool; } } throw new RuntimeException("Expected to find a memory pool with name " + name); } private static void verifyMemoryPool(MemoryPoolMXBean pool, boolean isMaxDefined) { MemoryUsage mu = pool.getUsage(); assertDefined(mu.getInit(), "init"); assertDefined(mu.getUsed(), "used"); assertDefined(mu.getCommitted(), "committed"); if (isMaxDefined) { assertDefined(mu.getMax(), "max"); } else { assertUndefined(mu.getMax(), "max"); } } private static void assertDefined(long value, String name) { assertTrue(value != -1, "Expected " + name + " to be defined"); } private static void assertUndefined(long value, String name) { assertEquals(value, -1, "Expected " + name + " to be undefined"); } private static void assertEquals(long actual, long expected, String msg) { assertTrue(actual == expected, msg); } private static void assertTrue(boolean condition, String msg) { if (!condition) { throw new RuntimeException(msg); } } }