1 /* 2 * Copyright (c) 2013, 2019, 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 package gc.arguments; 25 26 /** 27 * @test TestAlignmentToUseLargePagesSerial 28 * @key gc regression 29 * @bug 8024396 30 * @requires vm.gc.Serial 31 * @run main/othervm -Xms71M -Xmx91M -XX:+UseSerialGC -XX:+UseLargePages gc.arguments.TestAlignmentToUseLargePages 32 * @run main/othervm -Xms71M -Xmx91M -XX:+UseSerialGC -XX:-UseLargePages gc.arguments.TestAlignmentToUseLargePages 33 */ 34 35 /** 36 * @test TestAlignmentToUseLargePagesParallel 37 * @key gc regression 38 * @summary All parallel GC variants may use large pages without the requirement that the heap alignment is large page aligned. Other collectors also need to start up with odd sized heaps. 39 * @bug 8024396 40 * @requires vm.gc.Parallel 41 * @run main/othervm -Xms71M -Xmx91M -XX:+UseParallelGC -XX:-UseParallelOldGC -XX:+UseLargePages gc.arguments.TestAlignmentToUseLargePages 42 * @run main/othervm -Xms71M -Xmx91M -XX:+UseParallelGC -XX:-UseParallelOldGC -XX:-UseLargePages gc.arguments.TestAlignmentToUseLargePages 43 * @run main/othervm -Xms71M -Xmx91M -XX:+UseParallelGC -XX:+UseParallelOldGC -XX:+UseLargePages gc.arguments.TestAlignmentToUseLargePages 44 * @run main/othervm -Xms71M -Xmx91M -XX:+UseParallelGC -XX:+UseParallelOldGC -XX:-UseLargePages gc.arguments.TestAlignmentToUseLargePages 45 */ 46 47 /** 48 * @test TestAlignmentToUseLargePagesG1 49 * @key gc regression 50 * @bug 8024396 51 * @requires vm.gc.G1 52 * @run main/othervm -Xms71M -Xmx91M -XX:+UseG1GC -XX:+UseLargePages gc.arguments.TestAlignmentToUseLargePages 53 * @run main/othervm -Xms71M -Xmx91M -XX:+UseG1GC -XX:-UseLargePages gc.arguments.TestAlignmentToUseLargePages 54 */ 55 56 /** 57 * @test TestAlignmentToUseLargePagesShenandoah 58 * @key gc 59 * @bug 8024396 60 * @comment Graal does not support Shenandoah 61 * @requires vm.gc.Shenandoah & !vm.graal.enabled 62 * @run main/othervm -Xms71M -Xmx91M -XX:+UnlockExperimentalVMOptions -XX:+UseShenandoahGC -XX:+UseLargePages gc.arguments.TestAlignmentToUseLargePages 63 * @run main/othervm -Xms71M -Xmx91M -XX:+UnlockExperimentalVMOptions -XX:+UseShenandoahGC -XX:-UseLargePages gc.arguments.TestAlignmentToUseLargePages 64 */ 65 66 public class TestAlignmentToUseLargePages { main(String args[])67 public static void main(String args[]) throws Exception { 68 // nothing to do 69 } 70 } 71