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 
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