1 /* 2 * Copyright (c) 2013, 2018, 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 /* 25 * @test TestUseCompressedOopsErgo 26 * @key gc 27 * @bug 8010722 28 * @summary Tests ergonomics for UseCompressedOops. 29 * @requires vm.gc=="null" 30 * @library /test/lib 31 * @modules java.base/jdk.internal.misc 32 * java.management/sun.management 33 * @build sun.hotspot.WhiteBox 34 * @run driver ClassFileInstaller sun.hotspot.WhiteBox 35 * sun.hotspot.WhiteBox$WhiteBoxPermission 36 * @run main/othervm TestUseCompressedOopsErgo -XX:+UseG1GC 37 * @run main/othervm TestUseCompressedOopsErgo -XX:+UseParallelGC 38 * @run main/othervm TestUseCompressedOopsErgo -XX:+UseParallelGC -XX:-UseParallelOldGC 39 * @run main/othervm TestUseCompressedOopsErgo -XX:+UseSerialGC 40 */ 41 42 /* 43 * @test TestUseCompressedOopsErgoCMS 44 * @key gc 45 * @bug 8010722 46 * @comment Graal does not support CMS 47 * @requires vm.gc=="null" & !vm.graal.enabled 48 * @library /test/lib 49 * @modules java.base/jdk.internal.misc 50 * java.management/sun.management 51 * @build sun.hotspot.WhiteBox 52 * @run driver ClassFileInstaller sun.hotspot.WhiteBox 53 * sun.hotspot.WhiteBox$WhiteBoxPermission 54 * @run main/othervm TestUseCompressedOopsErgo -XX:+UseConcMarkSweepGC 55 */ 56 57 /* 58 * @test TestUseCompressedOopsErgoShenandoah 59 * @key gc 60 * @bug 8010722 61 * @comment Graal does not support Shenandoah 62 * @requires vm.gc.Shenandoah & !vm.graal.enabled 63 * @library /test/lib 64 * @modules java.base/jdk.internal.misc 65 * java.management/sun.management 66 * @build sun.hotspot.WhiteBox 67 * @run driver ClassFileInstaller sun.hotspot.WhiteBox 68 * sun.hotspot.WhiteBox$WhiteBoxPermission 69 * @run main/othervm TestUseCompressedOopsErgo -XX:+UnlockExperimentalVMOptions -XX:+UseShenandoahGC 70 */ 71 72 public class TestUseCompressedOopsErgo { 73 74 public static void main(String args[]) throws Exception { 75 if (!TestUseCompressedOopsErgoTools.is64bitVM()) { 76 // this test is relevant for 64 bit VMs only 77 return; 78 } 79 final String[] gcFlags = args; 80 TestUseCompressedOopsErgoTools.checkCompressedOopsErgo(gcFlags); 81 } 82 } 83