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 * @library /test/lib 41 * @run main/othervm jdk.jfr.startupargs.TestRetransformUsingLog 42 */ 43 public class TestRetransformUsingLog { 44 45 private static final String FILE_READ_FORCED_CLASS_LOAD = "Adding forced instrumentation for event type " + EventNames.FileRead + " during initial class load"; 46 private static final String SIMPLE_EVENT_FORCED_CLASS_LOAD = "Adding forced instrumentation for event type jdk.test.lib.jfr.SimpleEvent during initial class load"; 47 private static final String SIMPLE_EVENT_UNFORCED_CLASS_LOAD = "Adding instrumentation for event type jdk.test.lib.jfr.SimpleEvent during initial class load"; 48 49 public static class TestApp { 50 public static void main(String[] args) throws Exception { 51 SimpleEvent event = new SimpleEvent(); 52 event.commit(); 53 } 54 } 55 56 public static void main(String[] args) throws Exception { 57 testRecordingRetransFormFalse(); 58 testRecordingRetransFormTrue(); 59 testNoRecordingRetransFormFalse(); 60 testNoRecordingRetransFormTrue(); 61 } 62 63 private static void testRecordingRetransFormFalse() throws Exception { 64 startApp(true, false, out -> { 65 out.shouldContain(FILE_READ_FORCED_CLASS_LOAD); 66 out.shouldContain(SIMPLE_EVENT_FORCED_CLASS_LOAD); 67 }); 68 } 69 70 private static void testRecordingRetransFormTrue() throws Exception { 71 startApp(true, true, out -> { 72 out.shouldContain(FILE_READ_FORCED_CLASS_LOAD); 73 out.shouldContain(SIMPLE_EVENT_UNFORCED_CLASS_LOAD); 74 }); 75 } 76 77 private static void testNoRecordingRetransFormFalse() throws Exception { 78 startApp(false, false, out -> { 79 out.shouldNotContain(FILE_READ_FORCED_CLASS_LOAD); 80 out.shouldContain(SIMPLE_EVENT_FORCED_CLASS_LOAD); 81 }); 82 } 83 84 private static void testNoRecordingRetransFormTrue() throws Exception { 85 startApp(false, true, out -> { 86 out.shouldNotContain(FILE_READ_FORCED_CLASS_LOAD); 87 out.shouldNotContain(SIMPLE_EVENT_FORCED_CLASS_LOAD); 88 out.shouldNotContain(SIMPLE_EVENT_UNFORCED_CLASS_LOAD); 89 }); 90 } 91 92 private static void startApp(boolean recording, boolean retransform, Consumer<OutputAnalyzer> verifier) throws Exception { 93 List<String> args = new ArrayList<>(); 94 args.add("-Xlog:jfr+system"); 95 args.add("-XX:FlightRecorderOptions=retransform=" + retransform); 96 if (recording) { 97 args.add("-XX:StartFlightRecording"); 98 } 99 args.add(TestApp.class.getName()); 100 System.out.println(); 101 System.out.println("Starting test app:"); 102 System.out.print("java "); 103 for (String arg : args) { 104 System.out.print(arg + " "); 105 } 106 System.out.println(); 107 System.out.println(); 108 ProcessBuilder pb = ProcessTools.createJavaProcessBuilder(true, args.toArray(new String[0])); 109 OutputAnalyzer out = ProcessTools.executeProcess(pb); 110 System.out.println(out.getOutput()); 111 verifier.accept(out); 112 } 113 }