1 /* 2 * Copyright (c) 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 26 package jdk.jfr.api.recording.event; 27 28 import java.nio.file.Files; 29 import java.nio.file.Paths; 30 import java.util.Iterator; 31 32 import jdk.jfr.Recording; 33 import jdk.jfr.consumer.RecordedEvent; 34 import jdk.test.lib.Asserts; 35 import jdk.test.lib.jfr.EventNames; 36 import jdk.test.lib.jfr.Events; 37 38 /** 39 * @test 40 * @summary Simple enable Event class. 41 * @key jfr 42 * 43 * @library /lib / 44 * @run main/othervm jdk.jfr.api.recording.event.TestEnableName 45 */ 46 public class TestEnableName { 47 48 public static void main(String[] args) throws Throwable { 49 Recording r = new Recording(); 50 final String eventType = EventNames.FileWrite; 51 r.enable(eventType).withoutStackTrace(); 52 r.start(); 53 Files.write(Paths.get(".", "dummy.txt"), "DummyFile".getBytes()); 54 r.stop(); 55 56 Iterator<RecordedEvent> iterator = Events.fromRecording(r).iterator(); 57 Asserts.assertTrue(iterator.hasNext(), "No events found"); 58 System.out.printf("Event:%n%s%n", iterator.next()); 59 r.close(); 60 } 61 62 }