1 /*
2  * Copyright (c) 2013, 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.event.compiler;
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.compiler.TestCodeCacheStats
41  */
42 
43 public class TestCodeCacheStats {
44     private final static String EVENT_NAME = EventNames.CodeCacheStatistics;
45 
main(String[] args)46     public static void main(String[] args) throws Exception {
47         Recording recording = new Recording();
48         recording.enable(EVENT_NAME);
49         recording.start();
50         recording.stop();
51 
52         List<RecordedEvent> events = Events.fromRecording(recording);
53         Events.hasEvents(events);
54         for (RecordedEvent event : events) {
55             System.out.println("Event:" + event);
56             Events.assertField(event, "startAddress");
57             Events.assertField(event, "reservedTopAddress");
58             Events.assertField(event, "entryCount").atLeast(0);
59             Events.assertField(event, "methodCount").atLeast(0);
60             Events.assertField(event, "adaptorCount").atLeast(0);
61             Events.assertField(event, "unallocatedCapacity").atLeast(1024L);
62             Events.assertField(event, "fullCount").equal(0);
63         }
64     }
65 }
66