1 /* 2 * Copyright (c) 2016, 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 SASymbolTableTest 26 * @summary Walk symbol table using SA, with and without CDS. 27 * @library /test/lib 28 * @modules java.base/jdk.internal.misc 29 * jdk.hotspot.agent/sun.jvm.hotspot.oops 30 * jdk.hotspot.agent/sun.jvm.hotspot.memory 31 * jdk.hotspot.agent/sun.jvm.hotspot.runtime 32 * jdk.hotspot.agent/sun.jvm.hotspot.tools 33 * java.management 34 * @build SASymbolTableTestAgent 35 * @run main SASymbolTableTest 36 */ 37 38 import java.util.Arrays; 39 import java.util.List; 40 import jdk.test.lib.process.ProcessTools; 41 import jdk.test.lib.process.OutputAnalyzer; 42 import jdk.test.lib.JDKToolFinder; 43 import jdk.test.lib.Platform; 44 import jdk.test.lib.apps.LingeredApp; 45 46 /* 47 * The purpose of this test is to validate that we can use SA to 48 * attach a process and walk its SymbolTable, regardless whether 49 * the attachee process runs in CDS mode or not. 50 * 51 * SASymbolTableTest Just sets up the agent and attachee processes. 52 * The SymbolTable walking is done in the SASymbolTableTestAgent class. 53 */ 54 public class SASymbolTableTest { 55 static String jsaName = "./SASymbolTableTest.jsa"; 56 private static LingeredApp theApp = null; 57 58 public static void main(String[] args) throws Exception { 59 if (!Platform.shouldSAAttach()) { 60 System.out.println("SA attach not expected to work - test skipped."); 61 return; 62 } 63 createArchive(); 64 run(true); 65 run(false); 66 } 67 68 private static void createArchive() throws Exception { 69 ProcessBuilder pb = ProcessTools.createJavaProcessBuilder( 70 "-XX:+UnlockDiagnosticVMOptions", 71 "-XX:SharedArchiveFile=" + jsaName, 72 "-Xshare:dump"); 73 74 OutputAnalyzer output = new OutputAnalyzer(pb.start()); 75 output.shouldContain("Loading classes to share"); 76 output.shouldHaveExitValue(0); 77 } 78 79 private static void run(boolean useArchive) throws Exception { 80 String flag = useArchive ? "auto" : "off"; 81 82 try { 83 // (1) Launch the attachee process 84 System.out.println("Starting LingeredApp"); 85 List<String> vmOpts = Arrays.asList( 86 "-XX:+UnlockDiagnosticVMOptions", 87 "-XX:SharedArchiveFile=" + jsaName, 88 "-Xshare:" + flag, 89 "-showversion"); // so we can see "sharing" in the output 90 91 theApp = LingeredApp.startApp(vmOpts); 92 93 // (2) Launch the agent process 94 long pid = theApp.getPid(); 95 System.out.println("Attaching agent to " + pid ); 96 ProcessBuilder tool = ProcessTools.createJavaProcessBuilder( 97 "--add-modules=jdk.hotspot.agent", | 1 /* 2 * Copyright (c) 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 SASymbolTableTest 26 * @summary Walk symbol table using SA, with and without CDS. 27 * @library /test/lib 28 * @modules java.base/jdk.internal.misc 29 * jdk.hotspot.agent/sun.jvm.hotspot.oops 30 * jdk.hotspot.agent/sun.jvm.hotspot.memory 31 * jdk.hotspot.agent/sun.jvm.hotspot.runtime 32 * jdk.hotspot.agent/sun.jvm.hotspot.tools 33 * java.management 34 * @build SASymbolTableTestAgent 35 * @run main SASymbolTableTest 36 */ 37 38 import java.util.Arrays; 39 import java.util.List; 40 import jdk.test.lib.cds.CDSTestUtils; 41 import jdk.test.lib.process.ProcessTools; 42 import jdk.test.lib.process.OutputAnalyzer; 43 import jdk.test.lib.JDKToolFinder; 44 import jdk.test.lib.Platform; 45 import jdk.test.lib.apps.LingeredApp; 46 47 /* 48 * The purpose of this test is to validate that we can use SA to 49 * attach a process and walk its SymbolTable, regardless whether 50 * the attachee process runs in CDS mode or not. 51 * 52 * SASymbolTableTest Just sets up the agent and attachee processes. 53 * The SymbolTable walking is done in the SASymbolTableTestAgent class. 54 */ 55 public class SASymbolTableTest { 56 static String jsaName = "./SASymbolTableTest.jsa"; 57 private static LingeredApp theApp = null; 58 59 60 public static void main(String[] args) throws Exception { 61 if (!Platform.shouldSAAttach()) { 62 System.out.println("SA attach not expected to work - test skipped."); 63 return; 64 } 65 66 CDSTestUtils.createArchiveAndCheck(); 67 run(true); 68 run(false); 69 } 70 71 72 private static void run(boolean useArchive) throws Exception { 73 String flag = useArchive ? "auto" : "off"; 74 75 try { 76 // (1) Launch the attachee process 77 System.out.println("Starting LingeredApp"); 78 List<String> vmOpts = Arrays.asList( 79 "-XX:+UnlockDiagnosticVMOptions", 80 "-XX:SharedArchiveFile=" + jsaName, 81 "-Xshare:" + flag, 82 "-showversion"); // so we can see "sharing" in the output 83 84 theApp = LingeredApp.startApp(vmOpts); 85 86 // (2) Launch the agent process 87 long pid = theApp.getPid(); 88 System.out.println("Attaching agent to " + pid ); 89 ProcessBuilder tool = ProcessTools.createJavaProcessBuilder( 90 "--add-modules=jdk.hotspot.agent", |