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 import java.util.HashMap; 25 import java.util.List; 26 import java.util.Map; 27 import java.util.ArrayList; 28 import jdk.test.lib.apps.LingeredApp; 29 30 /* 31 * @test 32 * @bug 8192985 33 * @summary Test the clhsdb 'inspect' command 34 * @library /test/lib 35 * @run main/othervm ClhsdbInspect 36 */ 37 38 public class ClhsdbInspect { 39 40 public static void main(String[] args) throws Exception { 41 System.out.println("Starting the ClhsdbInspect test"); 42 43 LingeredAppWithLock theApp = null; 44 try { 45 ClhsdbLauncher test = new ClhsdbLauncher(); 46 47 theApp = new LingeredAppWithLock(); 48 LingeredApp.startApp(null, theApp); 49 System.out.println("Started LingeredApp with pid " + theApp.getPid()); 50 51 // Run the 'jstack -v' command to get the address of a Method* 52 // and the oop address of a java.lang.ref.ReferenceQueue$Lock 53 // object 54 List<String> cmds = List.of("jstack -v"); 55 56 String jstackOutput = 57 test.run(theApp.getPid(), cmds, null, null); 58 59 if (jstackOutput != null) { 60 // Output could be null due to attach permission issues 61 // and if we are skipping this. 62 String addressString = null; 63 Map<String, String> tokensMap = new HashMap<>(); 64 tokensMap.put("waiting to lock", 65 "instance of Oop for java/lang/Class"); 66 tokensMap.put("Method\\*=", "Type is Method"); 67 tokensMap.put("waiting to re-lock in wait", 68 "instance of Oop for java/lang/ref/ReferenceQueue$Lock"); 69 70 for(String key: tokensMap.keySet()) { 71 cmds = new ArrayList<String>(); 72 Map<String, List<String>> expStrMap = new HashMap<>(); 73 74 String[] snippets = jstackOutput.split(key); 75 String[] tokens = snippets[1].split(" "); 76 for (String token: tokens) { 77 if (token.contains("0x")) { 78 addressString = 79 (token.replace("<", "")).replace(">", ""); 80 break; 81 } 82 } 83 84 String cmd = "inspect " + addressString; 85 cmds.add(cmd); 86 expStrMap.put(cmd, List.of(tokensMap.get(key))); 87 test.run(theApp.getPid(), cmds, expStrMap, null); 88 } 89 } 90 } catch (Exception ex) { 91 throw new RuntimeException("Test ERROR " + ex, ex); 92 } finally { 93 LingeredApp.stopApp(theApp); 94 } 95 System.out.println("Test PASSED"); 96 } 97 }