| /* |
| * Copyright (c) 2015, 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.event.gc.detailed; |
| |
| import java.util.List; |
| |
| import jdk.jfr.Recording; |
| import jdk.jfr.consumer.RecordedEvent; |
| import jdk.test.lib.jfr.EventNames; |
| import jdk.test.lib.jfr.Events; |
| |
| /* |
| * @test |
| * @key jfr |
| * @requires vm.gc == "G1" | vm.gc == null |
| * @library /test/lib /test/jdk |
| * @run main/othervm -XX:NewSize=2m -XX:MaxNewSize=2m -Xmx32m -XX:+UseG1GC -XX:+UnlockExperimentalVMOptions -XX:-UseFastUnorderedTimeStamps -XX:-G1UseAdaptiveIHOP jdk.jfr.event.gc.detailed.TestG1IHOPEvent |
| * @run main/othervm -XX:NewSize=2m -XX:MaxNewSize=2m -Xmx32m -XX:+UseG1GC -XX:+UnlockExperimentalVMOptions -XX:-UseFastUnorderedTimeStamps -XX:+G1UseAdaptiveIHOP jdk.jfr.event.gc.detailed.TestG1IHOPEvent |
| */ |
| public class TestG1IHOPEvent { |
| |
| private final static String EVENT_NAME = EventNames.G1BasicIHOP; |
| public static byte[] bytes; |
| |
| public static void main(String[] args) throws Exception { |
| |
| Recording recording = new Recording(); |
| |
| // activate the event we are interested in and start recording |
| recording.enable(EVENT_NAME); |
| recording.start(); |
| |
| // Setting NewSize and MaxNewSize will limit eden, so |
| // allocating 1024 5k byte arrays should trigger at |
| // least one Young GC. |
| for (int i = 0; i < 1024; i++) { |
| bytes= new byte[5 * 1024]; |
| } |
| recording.stop(); |
| |
| // Verify recording |
| List<RecordedEvent> all = Events.fromRecording(recording); |
| Events.hasEvents(all); |
| |
| for (RecordedEvent e : all) { |
| Events.assertField(e, "gcId").above(0); |
| } |
| |
| recording.close(); |
| |
| } |
| } |