1 /* 2 * Copyright (c) 2015, 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 8025692 27 * @modules java.base/jdk.internal.misc 28 * java.management 29 * @library /testlibrary 30 * @compile TestLogTouchedMethods.java PrintTouchedMethods.java 31 * @run main/othervm -XX:+UnlockDiagnosticVMOptions -XX:+LogTouchedMethods PrintTouchedMethods 32 */ 33 34 import java.io.File; 35 import java.util.List; 36 import jdk.test.lib.*; 37 38 public class PrintTouchedMethods { 39 40 public static void main(String args[]) throws Exception { 41 String[] javaArgs1 = {"-XX:-UnlockDiagnosticVMOptions", "-XX:+LogTouchedMethods", "-XX:+PrintTouchedMethodsAtExit", "TestLogTouchedMethods"}; 42 ProcessBuilder pb = ProcessTools.createJavaProcessBuilder(javaArgs1); 43 44 // UnlockDiagnostic turned off, should fail 45 OutputAnalyzer output = new OutputAnalyzer(pb.start()); 46 output.shouldContain("Error: VM option 'LogTouchedMethods' is diagnostic and must be enabled via -XX:+UnlockDiagnosticVMOptions."); 47 output.shouldContain("Error: Could not create the Java Virtual Machine."); 48 49 String[] javaArgs2 = {"-XX:+UnlockDiagnosticVMOptions", "-XX:+LogTouchedMethods", "-XX:+PrintTouchedMethodsAtExit", "TestLogTouchedMethods"}; 50 pb = ProcessTools.createJavaProcessBuilder(javaArgs2); 51 output = new OutputAnalyzer(pb.start()); 52 // check order: 53 // 1 "# Method::print_touched_methods version 1" is the first in first line 54 // 2 should contain TestLogMethods.methodA:()V 55 // 3 should not contain TestLogMethods.methodB:()V 56 // Repeat above for another run with -Xint 57 List<String> lines = output.asLines(); 58 59 if (lines.size() < 1) { 60 throw new Exception("Empty output"); 61 } 62 63 String first = lines.get(0); 64 if (!first.equals("# Method::print_touched_methods version 1")) { 65 throw new Exception("First line mismatch"); 66 } 67 68 output.shouldContain("TestLogTouchedMethods.methodA:()V"); 69 output.shouldNotContain("TestLogTouchedMethods.methodB:()V"); 70 output.shouldHaveExitValue(0); 71 72 String[] javaArgs3 = {"-XX:+UnlockDiagnosticVMOptions", "-Xint", "-XX:+LogTouchedMethods", "-XX:+PrintTouchedMethodsAtExit", "TestLogTouchedMethods"}; 73 pb = ProcessTools.createJavaProcessBuilder(javaArgs3); 74 output = new OutputAnalyzer(pb.start()); 75 lines = output.asLines(); 76 77 if (lines.size() < 1) { 78 throw new Exception("Empty output"); 79 } 80 81 first = lines.get(0); 82 if (!first.equals("# Method::print_touched_methods version 1")) { 83 throw new Exception("First line mismatch"); 84 } 85 86 output.shouldContain("TestLogTouchedMethods.methodA:()V"); 87 output.shouldNotContain("TestLogTouchedMethods.methodB:()V"); 88 output.shouldHaveExitValue(0); 89 90 String[] javaArgs4 = {"-XX:+UnlockDiagnosticVMOptions", "-Xint", "-XX:+LogTouchedMethods", "-XX:+PrintTouchedMethodsAtExit", "-XX:-TieredCompilation", "TestLogTouchedMethods"}; 91 pb = ProcessTools.createJavaProcessBuilder(javaArgs4); 92 output = new OutputAnalyzer(pb.start()); 93 lines = output.asLines(); 94 95 if (lines.size() < 1) { 96 throw new Exception("Empty output"); 97 } 98 99 first = lines.get(0); 100 if (!first.equals("# Method::print_touched_methods version 1")) { 101 throw new Exception("First line mismatch"); 102 } 103 104 output.shouldContain("TestLogTouchedMethods.methodA:()V"); 105 output.shouldNotContain("TestLogTouchedMethods.methodB:()V"); 106 output.shouldHaveExitValue(0); 107 108 // Test jcmd PrintTouchedMethods VM.print_touched_methods 109 String pid = Long.toString(ProcessTools.getProcessId()); 110 pb = new ProcessBuilder(); 111 pb.command(new String[] {JDKToolFinder.getJDKTool("jcmd"), pid, "VM.print_touched_methods"}); 112 output = new OutputAnalyzer(pb.start()); 113 try { 114 output.shouldContain("PrintTouchedMethods.main:([Ljava/lang/String;)V"); 115 } catch (RuntimeException e) { 116 output.shouldContain("Unknown diagnostic command"); 117 } 118 } 119 }