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.  Oracle designates this
   8  * particular file as subject to the "Classpath" exception as provided
   9  * by Oracle in the LICENSE file that accompanied this code.
  10  *
  11  * This code is distributed in the hope that it will be useful, but WITHOUT
  12  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  13  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  14  * version 2 for more details (a copy is included in the LICENSE file that
  15  * accompanied this code).
  16  *
  17  * You should have received a copy of the GNU General Public License version
  18  * 2 along with this work; if not, write to the Free Software Foundation,
  19  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
  20  *
  21  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
  22  * or visit www.oracle.com if you need additional information or have any
  23  * questions.
  24  */
  25 
  26 package jdk.jfr.event.gc.configuration;
  27 
  28 import jdk.jfr.consumer.RecordedEvent;
  29 import jdk.test.lib.jfr.EventVerifier;
  30 
  31 /*
  32  * @test TestGCHeapConfigurationEventWithZeroBasedOops
  33  * @key jfr
  34  * @requires vm.hasJFR
  35  * @requires vm.gc == "Parallel" | vm.gc == null
  36  * @requires os.family == "linux" | os.family == "windows"
  37  * @requires sun.arch.data.model == "64"
  38  * @library /test/lib /test/jdk
  39  * @run main/othervm -XX:+UnlockExperimentalVMOptions -XX:-UseFastUnorderedTimeStamps -XX:+UseParallelGC -XX:+UseParallelOldGC -XX:+UseCompressedOops -Xmx4g jdk.jfr.event.gc.configuration.TestGCHeapConfigurationEventWithZeroBasedOops
  40  */
  41 
  42 /* See the shell script wrapper for the flags used when invoking the JVM */
  43 public class TestGCHeapConfigurationEventWithZeroBasedOops extends GCHeapConfigurationEventTester {
  44     public static void main(String[] args) throws Exception {
  45         GCHeapConfigurationEventTester t = new TestGCHeapConfigurationEventWithZeroBasedOops();
  46         t.run();
  47     }
  48 
  49     @Override
  50     protected EventVerifier createVerifier(RecordedEvent e) {
  51         return new ZeroBasedOopsVerifier(e);
  52     }
  53 }
  54 
  55 class ZeroBasedOopsVerifier extends GCHeapConfigurationEventVerifier {
  56     public ZeroBasedOopsVerifier(RecordedEvent e) {
  57         super(e);
  58     }
  59 
  60     @Override
  61     public void verify() throws Exception {
  62         // Can't verify min and initial heap size due to constraints on
  63         // physical memory on tests machines
  64 
  65         verifyMaxHeapSizeIs(gigabytes(4));
  66         verifyUsesCompressedOopsIs(true);
  67         verifyObjectAlignmentInBytesIs(8);
  68         verifyHeapAddressBitsIs(32);
  69         verifyCompressedOopModeIs("Zero based");
  70     }
  71 }