1 /* 2 * Copyright (c) 2016, 2017, 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 26 * @bug 8169703 27 * @summary Verifies that dumping and loading a CDS archive succeeds with AlwaysPreTouch 28 * @requires vm.gc.G1 29 * @key gc regression 30 * @requires vm.cds 31 * @library /test/lib 32 * @modules java.base/jdk.internal.misc 33 * java.management 34 * @run main TestSharedArchiveWithPreTouch 35 */ 36 37 import java.util.List; 38 import java.util.ArrayList; 39 import java.util.Arrays; 40 41 import jdk.test.lib.Platform; 42 import jdk.test.lib.process.ProcessTools; 43 import jdk.test.lib.process.OutputAnalyzer; 44 45 public class TestSharedArchiveWithPreTouch { 46 public static void main(String[] args) throws Exception { 47 final String ArchiveFileName = "./SharedArchiveWithPreTouch.jsa"; 48 49 final List<String> BaseOptions = Arrays.asList(new String[] {"-XX:+UseG1GC", "-XX:+AlwaysPreTouch", 50 "-XX:+UnlockDiagnosticVMOptions", "-XX:SharedArchiveFile=" + ArchiveFileName }); 51 52 ProcessBuilder pb; 53 54 List<String> dump_args = new ArrayList<String>(BaseOptions); 55 56 if (Platform.is64bit()) { 57 dump_args.addAll(0, Arrays.asList(new String[] { "-XX:+UseCompressedClassPointers", "-XX:+UseCompressedOops" })); 58 } 59 dump_args.addAll(Arrays.asList(new String[] { "-Xshare:dump" })); 60 61 pb = ProcessTools.createJavaProcessBuilder(dump_args.toArray(new String[0])); 62 OutputAnalyzer output = new OutputAnalyzer(pb.start()); 63 try { 64 output.shouldContain("Loading classes to share"); 65 output.shouldHaveExitValue(0); 66 67 List<String> load_args = new ArrayList<String>(BaseOptions); 68 69 if (Platform.is64bit()) { 70 load_args.addAll(0, Arrays.asList(new String[] { "-XX:+UseCompressedClassPointers", "-XX:+UseCompressedOops" })); 71 } 72 load_args.addAll(Arrays.asList(new String[] { "-Xshare:on", "-version" })); 73 74 pb = ProcessTools.createJavaProcessBuilder(load_args.toArray(new String[0])); 75 output = new OutputAnalyzer(pb.start()); 76 output.shouldContain("sharing"); 77 output.shouldHaveExitValue(0); 78 } catch (RuntimeException e) { 79 // Report 'passed' if CDS was turned off. 80 output.shouldContain("Unable to use shared archive"); 81 output.shouldHaveExitValue(1); 82 } 83 } 84 }