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 }