1 /* 2 * Copyright (c) 2014, 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 CompilerQueueTest 26 * @bug 8054889 27 * @build DcmdUtil CompilerQueueTest 28 * @run main CompilerQueueTest 29 * @summary Test of diagnostic command Compiler.queue 30 */ 31 32 import java.io.BufferedReader; 33 import java.io.StringReader; 34 35 public class CompilerQueueTest { 36 37 /** 38 * This test calls Jcmd (diagnostic command tool) Compiler.queue and 39 * then parses the output, making sure that the output look ok. 40 * 41 * 42 * Output example: 43 * 44 * Contents of C1 compile queue 45 * ---------------------------- 46 * 73 3 java.lang.AbstractStringBuilder::append (50 bytes) 47 * 74 1 java.util.TreeMap::size (5 bytes) 48 * 75 3 java.lang.StringBuilder::append (8 bytes) 49 * 83 3 java.util.TreeMap$ValueIterator::next (8 bytes) 50 * 84 1 javax.management.MBeanFeatureInfo::getName (5 bytes) 51 * ---------------------------- 52 * Contents of C2 compile queue 53 * ---------------------------- 54 * Empty 55 * ---------------------------- 56 * 57 **/ 58 59 public static void main(String arg[]) throws Exception { 60 61 // Get output from dcmd (diagnostic command) 62 String result = DcmdUtil.executeDcmd("Compiler.queue"); 63 BufferedReader r = new BufferedReader(new StringReader(result)); 64 65 String line; 66 match(r.readLine(), "Contents of C1 compile queue"); 67 match(r.readLine(), "----------------------------"); 68 String str = r.readLine(); 69 if (!str.equals("Empty")) { 70 while (str.charAt(0) != '-') { 71 validateMethodLine(str); 72 str = r.readLine(); 73 } 74 } else { 75 str = r.readLine(); 76 } 77 78 match(str, "----------------------------"); 79 match(r.readLine(), "Contents of C2 compile queue"); 80 match(r.readLine(), "----------------------------"); 81 str = r.readLine(); 82 if (!str.equals("Empty")) { 83 while (str.charAt(0) != '-') { 84 validateMethodLine(str); 85 str = r.readLine(); 86 } 87 } else { 88 str = r.readLine(); 89 } 90 match(str, "----------------------------"); 91 } 92 93 private static void validateMethodLine(String str) throws Exception { 94 String name = str.substring(19); 95 int sep = name.indexOf("::"); 96 try { 97 Class.forName(name.substring(0, sep)); 98 } catch (ClassNotFoundException e) { 99 throw new Exception("Failed parsing dcmd queue"); 100 } 101 } 102 103 public static void match(String line, String str) throws Exception { 104 if (!line.equals(str)) { 105 throw new Exception("String equals: " + line + ", " + str); 106 } 107 } 108 }