1 /* 2 * Copyright (c) 2016, 2018, 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. Oracle designates this 8 * particular file as subject to the "Classpath" exception as provided 9 * by Oracle in the LICENSE file that accompanied this code. 10 * 11 * This code is distributed in the hope that it will be useful, but WITHOUT 12 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 13 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 14 * version 2 for more details (a copy is included in the LICENSE file that 15 * accompanied this code). 16 * 17 * You should have received a copy of the GNU General Public License version 18 * 2 along with this work; if not, write to the Free Software Foundation, 19 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. 20 * 21 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA 22 * or visit www.oracle.com if you need additional information or have any 23 * questions. 24 */ 25 26 package jdk.jfr.startupargs; 27 28 import java.util.ArrayList; 29 import java.util.List; 30 import java.util.function.Consumer; 31 32 import jdk.test.lib.jfr.EventNames; 33 import jdk.test.lib.jfr.SimpleEvent; 34 import jdk.test.lib.process.OutputAnalyzer; 35 import jdk.test.lib.process.ProcessTools; 36 37 /** 38 * @test 39 * @key jfr 40 * 41 * @library /lib / 42 * @run main/othervm jdk.jfr.startupargs.TestRetransformUsingLog 43 */ 44 public class TestRetransformUsingLog { 45 46 private static final String FILE_READ_FORCED_CLASS_LOAD = "Adding forced instrumentation for event type " + EventNames.FileRead + " during initial class load"; 47 private static final String SIMPLE_EVENT_FORCED_CLASS_LOAD = "Adding forced instrumentation for event type jdk.test.lib.jfr.SimpleEvent during initial class load"; 48 private static final String SIMPLE_EVENT_UNFORCED_CLASS_LOAD = "Adding instrumentation for event type jdk.test.lib.jfr.SimpleEvent during initial class load"; 49 50 public static class TestApp { 51 public static void main(String[] args) throws Exception { 52 SimpleEvent event = new SimpleEvent(); 53 event.commit(); 54 } 55 } 56 57 public static void main(String[] args) throws Exception { 58 testRecordingRetransFormFalse(); 59 testRecordingRetransFormTrue(); 60 testNoRecordingRetransFormFalse(); 61 testNoRecordingRetransFormTrue(); 62 } 63 64 private static void testRecordingRetransFormFalse() throws Exception { 65 startApp(true, false, out -> { 66 out.shouldContain(FILE_READ_FORCED_CLASS_LOAD); 67 out.shouldContain(SIMPLE_EVENT_FORCED_CLASS_LOAD); 68 }); 69 } 70 71 private static void testRecordingRetransFormTrue() throws Exception { 72 startApp(true, true, out -> { 73 out.shouldContain(FILE_READ_FORCED_CLASS_LOAD); 74 out.shouldContain(SIMPLE_EVENT_UNFORCED_CLASS_LOAD); 75 }); 76 } 77 78 private static void testNoRecordingRetransFormFalse() throws Exception { 79 startApp(false, false, out -> { 80 out.shouldNotContain(FILE_READ_FORCED_CLASS_LOAD); 81 out.shouldContain(SIMPLE_EVENT_FORCED_CLASS_LOAD); 82 }); 83 } 84 85 private static void testNoRecordingRetransFormTrue() throws Exception { 86 startApp(false, true, out -> { 87 out.shouldNotContain(FILE_READ_FORCED_CLASS_LOAD); 88 out.shouldNotContain(SIMPLE_EVENT_FORCED_CLASS_LOAD); 89 out.shouldNotContain(SIMPLE_EVENT_UNFORCED_CLASS_LOAD); 90 }); 91 } 92 93 private static void startApp(boolean recording, boolean retransform, Consumer<OutputAnalyzer> verifier) throws Exception { 94 List<String> args = new ArrayList<>(); 95 args.add("-XX:+LogJFR"); 96 args.add("-XX:FlightRecorderOptions=retransform=" + retransform); 97 if (recording) { 98 args.add("-XX:StartFlightRecording"); 99 } 100 args.add(TestApp.class.getName()); 101 System.out.println(); 102 System.out.println("Starting test app:"); 103 System.out.print("java "); 104 for (String arg : args) { 105 System.out.print(arg + " "); 106 } 107 System.out.println(); 108 System.out.println(); 109 ProcessBuilder pb = ProcessTools.createJavaProcessBuilder(true, args.toArray(new String[0])); 110 OutputAnalyzer out = ProcessTools.executeProcess(pb); 111 System.out.println(out.getOutput()); 112 verifier.accept(out); 113 } 114 }