--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/test/jdk/jdk/jfr/jvm/TestJavaEvent.java Tue May 15 20:24:34 2018 +0200
@@ -0,0 +1,212 @@
+/*
+ * 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));
+ }
+ }
+
+}