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 package jdk.jfr.api.consumer;

    26 

    27 import java.io.IOException;

    28 import java.util.List;

    29 

    30 import jdk.jfr.Recording;

    31 import jdk.jfr.consumer.RecordedEvent;

    32 import jdk.jfr.consumer.RecordedFrame;

    33 import jdk.jfr.consumer.RecordedMethod;

    34 import jdk.jfr.consumer.RecordedStackTrace;

    35 import jdk.test.lib.Asserts;

    36 import jdk.test.lib.jfr.Events;

    37 import jdk.test.lib.jfr.SimpleEvent;

    38 

    39 

    40 /*

    41  * @test

    42  * @summary Simple test for RecordedFrame APIs

    43  * @key jfr

    44  * @library /test/lib

    45  * @run main/othervm -Xint  -XX:+UseInterpreter -Dinterpreted=true  jdk.jfr.api.consumer.TestRecordedFrame

    46  * @run main/othervm -Xcomp -XX:-UseInterpreter -Dinterpreted=false jdk.jfr.api.consumer.TestRecordedFrame

    47  */

    48 public final class TestRecordedFrame {

    49 

    50     public static void main(String[] args) throws IOException {

    51         StackTraceElement[] stackTrace = Thread.currentThread().getStackTrace();

    52         doTest(getLineNumber("main", stackTrace) + 1);

    53     }

    54 

    55     /**

    56      * Returns line number of the passed method for the passed stacktrace

    57      */

    58     private static int getLineNumber(String methodName, StackTraceElement[] stackTrace) {

    59         for (StackTraceElement ste : stackTrace) {

    60             if (methodName.equals(ste.getMethodName())) {

    61                 return ste.getLineNumber();

    62             }

    63         }

    64         throw new RuntimeException("Unexpected error: could not analyze stacktrace");

    65     }

    66 

    67     public static void doTest(int lineNumber) throws IOException {

    68 

    69         System.out.println("Enetring method");

    70 

    71         Recording recording = new Recording();

    72         recording.start();

    73 

    74         SimpleEvent ev = new SimpleEvent();

    75         commitEvent(ev);

    76         recording.stop();

    77 

    78         List<RecordedEvent> recordedEvents = Events.fromRecording(recording);

    79         Events.hasEvents(recordedEvents);

    80         RecordedEvent recordedEvent = recordedEvents.get(0);

    81 

    82         RecordedStackTrace stacktrace = recordedEvent.getStackTrace();

    83         List<RecordedFrame> frames = stacktrace.getFrames();

    84         for (RecordedFrame frame : frames) {

    85 

    86             // All frames are java frames

    87             Asserts.assertTrue(frame.isJavaFrame());

    88             // Verify the main() method frame

    89             RecordedMethod method = frame.getMethod();

    90             if (method.getName().equals("main")) {

    91 

    92                 // Frame type

    93                 String type = frame.getType();

    94                 System.out.println("type: " + type);

    95                 Asserts.assertTrue(

    96                         type.equals("Interpreted")

    97                         || type.equals("JIT compiled")

    98                         || type.equals("Inlined"));

    99 

   100                 Asserts.assertEquals(lineNumber, frame.getLineNumber());

   101 

   102                 boolean isInterpreted = "Interpreted".equals(type);

   103                 boolean expectedInterpreted = "true".equals(System.getProperty("interpreted"));

   104                 Asserts.assertEquals(isInterpreted, expectedInterpreted);

   105 

   106                 int bci = frame.getBytecodeIndex();

   107 

   108                 System.out.println("bci: " + bci);

   109                 Asserts.assertTrue(bci > 0);

   110             }

   111 

   112         }

   113 

   114     }

   115 

   116     private static void commitEvent(SimpleEvent ev) {

   117         System.out.println("commit");

   118         ev.commit();

   119     }

   120 

   121 }