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 }