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  *
  45  * @library /lib /
  46  * @run main/othervm -Xint  -XX:+UseInterpreter -Dinterpreted=true  jdk.jfr.api.consumer.TestRecordedFrame
  47  * @run main/othervm -Xcomp -XX:-UseInterpreter -Dinterpreted=false jdk.jfr.api.consumer.TestRecordedFrame
  48  */
  49 public final class TestRecordedFrame {
  50 
  51     public static void main(String[] args) throws IOException {
  52         StackTraceElement[] stackTrace = Thread.currentThread().getStackTrace();
  53         doTest(getLineNumber("main", stackTrace) + 1);
  54     }
  55 
  56     /**
  57      * Returns line number of the passed method for the passed stacktrace
  58      */
  59     private static int getLineNumber(String methodName, StackTraceElement[] stackTrace) {
  60         for (StackTraceElement ste : stackTrace) {
  61             if (methodName.equals(ste.getMethodName())) {
  62                 return ste.getLineNumber();
  63             }
  64         }
  65         throw new RuntimeException("Unexpected error: could not analyze stacktrace");
  66     }
  67 
  68     public static void doTest(int lineNumber) throws IOException {
  69 
  70         System.out.println("Enetring method");
  71 
  72         Recording recording = new Recording();
  73         recording.start();
  74 
  75         SimpleEvent ev = new SimpleEvent();
  76         commitEvent(ev);
  77         recording.stop();
  78 
  79         List<RecordedEvent> recordedEvents = Events.fromRecording(recording);
  80         Events.hasEvents(recordedEvents);
  81         RecordedEvent recordedEvent = recordedEvents.get(0);
  82 
  83         RecordedStackTrace stacktrace = recordedEvent.getStackTrace();
  84         List<RecordedFrame> frames = stacktrace.getFrames();
  85         for (RecordedFrame frame : frames) {
  86 
  87             // All frames are java frames
  88             Asserts.assertTrue(frame.isJavaFrame());
  89             // Verify the main() method frame
  90             RecordedMethod method = frame.getMethod();
  91             if (method.getName().equals("main")) {
  92 
  93                 // Frame type
  94                 String type = frame.getType();
  95                 System.out.println("type: " + type);
  96                 Asserts.assertTrue(
  97                         type.equals("Interpreted")
  98                         || type.equals("JIT compiled")
  99                         || type.equals("Inlined"));
 100 
 101                 Asserts.assertEquals(lineNumber, frame.getLineNumber());
 102 
 103                 boolean isInterpreted = "Interpreted".equals(type);
 104                 boolean expectedInterpreted = "true".equals(System.getProperty("interpreted"));
 105                 Asserts.assertEquals(isInterpreted, expectedInterpreted);
 106 
 107                 int bci = frame.getBytecodeIndex();
 108 
 109                 System.out.println("bci: " + bci);
 110                 Asserts.assertTrue(bci > 0);
 111             }
 112 
 113         }
 114 
 115     }
 116 
 117     private static void commitEvent(SimpleEvent ev) {
 118         System.out.println("commit");
 119         ev.commit();
 120     }
 121 
 122 }