1 /* 2 * Copyright (c) 2013, 2019, 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.event.os; 27 28 import java.util.List; 29 30 import jdk.jfr.Recording; 31 import jdk.jfr.consumer.RecordedEvent; 32 import jdk.test.lib.jfr.EventNames; 33 import jdk.test.lib.jfr.Events; 34 35 /** 36 * @test 37 * @key jfr 38 * @requires vm.hasJFR 39 * @library /test/lib 40 * @run main/othervm jdk.jfr.event.os.TestVirtualizationInfo 41 */ 42 public class TestVirtualizationInfo { 43 private final static String EVENT_NAME = EventNames.VirtualizationInformation; 44 main(String[] args)45 public static void main(String[] args) throws Throwable { 46 Recording recording = new Recording(); 47 recording.enable(EVENT_NAME); 48 recording.start(); 49 recording.stop(); 50 List<RecordedEvent> events = Events.fromRecording(recording); 51 Events.hasEvents(events); 52 for (RecordedEvent event : events) { 53 System.out.println("Event: " + event); 54 Events.assertField(event, "name").notEmpty(); 55 } 56 } 57 } 58