1 /* 2 * Copyright (c) 2013, 2020, 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 * @bug 8024396 29 * @requires vm.gc.Serial 30 * @run main/othervm -Xms71M -Xmx91M -XX:+UseSerialGC -XX:+UseLargePages gc.arguments.TestAlignmentToUseLargePages 31 * @run main/othervm -Xms71M -Xmx91M -XX:+UseSerialGC -XX:-UseLargePages gc.arguments.TestAlignmentToUseLargePages 32 */ 33 34 /** 35 * @test TestAlignmentToUseLargePagesParallel 36 * @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. 37 * @bug 8024396 38 * @requires vm.gc.Parallel 39 * @run main/othervm -Xms71M -Xmx91M -XX:+UseParallelGC -XX:+UseLargePages gc.arguments.TestAlignmentToUseLargePages 40 * @run main/othervm -Xms71M -Xmx91M -XX:+UseParallelGC -XX:-UseLargePages gc.arguments.TestAlignmentToUseLargePages 41 */ 42 43 /** 44 * @test TestAlignmentToUseLargePagesG1 45 * @bug 8024396 46 * @requires vm.gc.G1 47 * @run main/othervm -Xms71M -Xmx91M -XX:+UseG1GC -XX:+UseLargePages gc.arguments.TestAlignmentToUseLargePages 48 * @run main/othervm -Xms71M -Xmx91M -XX:+UseG1GC -XX:-UseLargePages gc.arguments.TestAlignmentToUseLargePages 49 */ 50 51 /** 52 * @test TestAlignmentToUseLargePagesShenandoah 53 * @bug 8024396 54 * @requires vm.gc.Shenandoah 55 * @run main/othervm -Xms71M -Xmx91M -XX:+UnlockExperimentalVMOptions -XX:+UseShenandoahGC -XX:+UseLargePages gc.arguments.TestAlignmentToUseLargePages 56 * @run main/othervm -Xms71M -Xmx91M -XX:+UnlockExperimentalVMOptions -XX:+UseShenandoahGC -XX:-UseLargePages gc.arguments.TestAlignmentToUseLargePages 57 */ 58 59 public class TestAlignmentToUseLargePages { 60 public static void main(String args[]) throws Exception { 61 // nothing to do 62 } 63 }