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 }