| /* |
| * Copyright (c) 2018, Oracle and/or its affiliates. All rights reserved. |
| * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
| * |
| * This code is free software; you can redistribute it and/or modify it |
| * under the terms of the GNU General Public License version 2 only, as |
| * published by the Free Software Foundation. Oracle designates this |
| * particular file as subject to the "Classpath" exception as provided |
| * by Oracle in the LICENSE file that accompanied this code. |
| * |
| * This code is distributed in the hope that it will be useful, but WITHOUT |
| * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
| * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
| * version 2 for more details (a copy is included in the LICENSE file that |
| * accompanied this code). |
| * |
| * You should have received a copy of the GNU General Public License version |
| * 2 along with this work; if not, write to the Free Software Foundation, |
| * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
| * |
| * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
| * or visit www.oracle.com if you need additional information or have any |
| * questions. |
| */ |
| |
| package jdk.jfr.jvm; |
| |
| import java.io.File; |
| import java.io.IOException; |
| import java.time.Duration; |
| import java.util.ArrayList; |
| import java.util.List; |
| |
| import jdk.jfr.AnnotationElement; |
| import jdk.jfr.Event; |
| import jdk.jfr.EventType; |
| import jdk.jfr.FlightRecorder; |
| import jdk.jfr.Recording; |
| import jdk.jfr.ValueDescriptor; |
| import jdk.jfr.consumer.RecordedEvent; |
| import jdk.jfr.consumer.RecordingFile; |
| |
| /* |
| * @test TestGetThreadId |
| * @key jfr |
| * @library /test/lib |
| * @modules jdk.jfr/jdk.jfr.internal |
| * @run main/othervm jdk.jfr.jvm.TestJavaEvent |
| */ |
| public class TestJavaEvent { |
| |
| private static final int EVENTS_PER_THREAD = 50; |
| private static final int THREAD_COUNT = 100; |
| |
| public static class MyEvent extends Event { |
| float floatValue; |
| double doubleValue; |
| int intValue; |
| long longValue; |
| char charValue; |
| byte byteValue; |
| String stringValue; |
| Thread threadValue; |
| Class<?> classValue; |
| |
| public void setFloatValue(float value) { |
| floatValue = value; |
| } |
| |
| public void setDoubleValue(double value) { |
| doubleValue = value; |
| } |
| |
| public void setIntValue(int value) { |
| intValue = value; |
| } |
| |
| public void setLongValue(long value) { |
| longValue = value; |
| } |
| |
| public void setCharValue(char value) { |
| charValue = value; |
| } |
| |
| public void setByteValue(byte value) { |
| byteValue = value; |
| } |
| |
| public void setStringValue(String value) { |
| stringValue = value; |
| } |
| |
| public void setThreadValue(Thread value) { |
| threadValue = value; |
| } |
| |
| public void setClassValue(Class<?> value) { |
| classValue = value; |
| } |
| } |
| |
| public static void main(String... args) throws IOException, InterruptedException { |
| Recording r = new Recording(); |
| r.enable(MyEvent.class).withThreshold(Duration.ofNanos(0)).withoutStackTrace(); |
| r.start(); |
| List<Thread> threads = new ArrayList<>(); |
| for (int n = 0; n < THREAD_COUNT; n++) { |
| Thread t = new Thread(TestJavaEvent::emitEvents); |
| threads.add(t); |
| t.start(); |
| } |
| for (Thread t : threads) { |
| t.join(); |
| } |
| |
| r.stop(); |
| // prettyPrint(); |
| File file = File.createTempFile("test", ".jfr"); |
| r.dump(file.toPath()); |
| int eventCount = 0; |
| for (RecordedEvent e : RecordingFile.readAllEvents(file.toPath())) { |
| if (e.getEventType().getName().equals(MyEvent.class.getName())) { |
| eventCount++; |
| } |
| System.out.println(e); |
| } |
| System.out.println("Event count was " + eventCount + ", expected " + THREAD_COUNT * EVENTS_PER_THREAD); |
| r.close(); |
| } |
| |
| private static void emitEvents() { |
| for (int n = 0; n < EVENTS_PER_THREAD; n++) { |
| MyEvent event = new MyEvent(); |
| event.begin(); |
| event.end(); |
| event.setFloatValue(1.12345f); |
| event.setDoubleValue(1.234567890); |
| event.setIntValue(123456); |
| event.setLongValue(1234567890); |
| event.setCharValue('c'); |
| event.setByteValue((byte) 12); |
| event.setStringValue("1234567890"); |
| event.setThreadValue(Thread.currentThread()); |
| event.setClassValue(Class.class); |
| event.commit(); |
| try { |
| Thread.sleep(1); |
| } catch (InterruptedException e) { |
| // TODO Auto-generated catch block |
| e.printStackTrace(); |
| } |
| } |
| } |
| |
| static void prettyPrint() { |
| for (EventType type : FlightRecorder.getFlightRecorder().getEventTypes()) { |
| for (AnnotationElement a : type.getAnnotationElements()) { |
| printAnnotation("", a); |
| } |
| System.out.print("class " + removePackage(type.getName())); |
| System.out.print(" extends Event"); |
| |
| System.out.println(" {"); |
| List<ValueDescriptor> values = type.getFields(); |
| for (int i = 0; i < values.size(); i++) { |
| ValueDescriptor v = values.get(i); |
| for (AnnotationElement a : v.getAnnotationElements()) { |
| printAnnotation(" ", a); |
| } |
| System.out.println(" " + removePackage(v.getTypeName() + brackets(v.isArray())) + " " + v.getName()); |
| if (i != values.size() - 1) { |
| System.out.println(); |
| } |
| } |
| System.out.println("}"); |
| System.out.println(); |
| } |
| } |
| |
| private static String brackets(boolean isArray) { |
| return isArray ? "[]" : ""; |
| } |
| |
| private static String removePackage(String s) { |
| |
| int index = s.lastIndexOf("."); |
| return s.substring(index + 1); |
| } |
| |
| private static void printAnnotation(String indent, AnnotationElement a) { |
| String name = removePackage(a.getTypeName()); |
| if (a.getValues().isEmpty()) { |
| System.out.println(indent + "@" + name); |
| return; |
| } |
| System.out.print(indent + "@" + name + "("); |
| for (Object o : a.getValues()) { |
| printAnnotationValue(o); |
| } |
| System.out.println(")"); |
| } |
| |
| private static void printAnnotationValue(Object o) { |
| if (o instanceof String) { |
| System.out.print("\"" + o + "\""); |
| } else { |
| System.out.print(String.valueOf(o)); |
| } |
| } |
| |
| } |