1 /*
2 * Copyright (c) 2017, 2018, Red Hat, Inc. 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.
8 *
9 * This code is distributed in the hope that it will be useful, but WITHOUT
10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
12 * version 2 for more details (a copy is included in the LICENSE file that
13 * accompanied this code).
14 *
15 * You should have received a copy of the GNU General Public License version
16 * 2 along with this work; if not, write to the Free Software Foundation,
17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
18 *
19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
20 * or visit www.oracle.com if you need additional information or have any
21 * questions.
22 *
23 */
24
25 /**
26 * @test
27 * @summary Test JMX memory pools
28 * @requires vm.gc.Shenandoah
29 * @modules java.base/jdk.internal.misc
30 * java.management
31 * @run main/othervm -XX:+UnlockExperimentalVMOptions -XX:+UseShenandoahGC -Xmx1g -Xms1g TestMemoryPools
32 */
33
34 import java.lang.management.*;
35 import java.util.*;
36
37 public class TestMemoryPools {
38
39 public static void main(String[] args) throws Exception {
40 List<MemoryManagerMXBean> mms = ManagementFactory.getMemoryManagerMXBeans();
41 if (mms == null) {
42 throw new RuntimeException("getMemoryManagerMXBeans is null");
43 }
44 if (mms.isEmpty()) {
45 throw new RuntimeException("getMemoryManagerMXBeans is empty");
46 }
47 for (MemoryManagerMXBean mmBean : mms) {
48 String[] names = mmBean.getMemoryPoolNames();
49 if (names == null) {
50 throw new RuntimeException("getMemoryPoolNames() is null");
51 }
52 if (names.length == 0) {
53 throw new RuntimeException("getMemoryPoolNames() is empty");
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1 /*
2 * Copyright (c) 2017, 2018, Red Hat, Inc. All rights reserved.
3 * Copyright Amazon.com Inc. or its affiliates. All Rights Reserved.
4 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
5 *
6 * This code is free software; you can redistribute it and/or modify it
7 * under the terms of the GNU General Public License version 2 only, as
8 * published by the Free Software Foundation.
9 *
10 * This code is distributed in the hope that it will be useful, but WITHOUT
11 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
12 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
13 * version 2 for more details (a copy is included in the LICENSE file that
14 * accompanied this code).
15 *
16 * You should have received a copy of the GNU General Public License version
17 * 2 along with this work; if not, write to the Free Software Foundation,
18 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
19 *
20 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
21 * or visit www.oracle.com if you need additional information or have any
22 * questions.
23 *
24 */
25
26 /**
27 * @test id=default
28 * @summary Test JMX memory pools
29 * @requires vm.gc.Shenandoah
30 * @modules java.base/jdk.internal.misc
31 * java.management
32 * @run main/othervm -XX:+UnlockExperimentalVMOptions -XX:+UseShenandoahGC -Xmx1g -Xms1g TestMemoryPools
33 */
34
35 /**
36 * @test id=generational
37 * @summary Test JMX memory pools
38 * @requires vm.gc.Shenandoah
39 * @modules java.base/jdk.internal.misc
40 * java.management
41 * @run main/othervm -XX:+UnlockExperimentalVMOptions -XX:+UseShenandoahGC -XX:ShenandoahGCMode=generational -Xmx1g -Xms1g TestMemoryPools
42 */
43
44 import java.lang.management.*;
45 import java.util.*;
46
47 public class TestMemoryPools {
48
49 public static void main(String[] args) throws Exception {
50 List<MemoryManagerMXBean> mms = ManagementFactory.getMemoryManagerMXBeans();
51 if (mms == null) {
52 throw new RuntimeException("getMemoryManagerMXBeans is null");
53 }
54 if (mms.isEmpty()) {
55 throw new RuntimeException("getMemoryManagerMXBeans is empty");
56 }
57 for (MemoryManagerMXBean mmBean : mms) {
58 String[] names = mmBean.getMemoryPoolNames();
59 if (names == null) {
60 throw new RuntimeException("getMemoryPoolNames() is null");
61 }
62 if (names.length == 0) {
63 throw new RuntimeException("getMemoryPoolNames() is empty");
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