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