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 }