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 beans
29 * @requires vm.gc.Shenandoah
30 * @modules java.base/jdk.internal.misc
31 * java.management
32 * @run main/othervm -XX:+UnlockExperimentalVMOptions -XX:+UseShenandoahGC -Xmx1g TestMemoryMXBeans -1 1024
33 * @run main/othervm -XX:+UnlockExperimentalVMOptions -XX:+UseShenandoahGC -Xms1g -Xmx1g TestMemoryMXBeans 1024 1024
34 * @run main/othervm -XX:+UnlockExperimentalVMOptions -XX:+UseShenandoahGC -Xms128m -Xmx1g TestMemoryMXBeans 128 1024
35 * @run main/othervm -XX:+UnlockExperimentalVMOptions -XX:+UseShenandoahGC -Xms1g -Xmx1g -XX:ShenandoahUncommitDelay=0 TestMemoryMXBeans 1024 1024
36 * @run main/othervm -XX:+UnlockExperimentalVMOptions -XX:+UseShenandoahGC -Xms128m -Xmx1g -XX:ShenandoahUncommitDelay=0 TestMemoryMXBeans 128 1024
37 */
38
39 /**
40 * @test id=generational
41 * @summary Test JMX memory beans
42 * @requires vm.gc.Shenandoah
43 * @modules java.base/jdk.internal.misc
44 * java.management
45 * @run main/othervm -XX:+UnlockExperimentalVMOptions -XX:+UseShenandoahGC -XX:ShenandoahGCMode=generational -Xmx1g TestMemoryMXBeans -1 1024
46 * @run main/othervm -XX:+UnlockExperimentalVMOptions -XX:+UseShenandoahGC -XX:ShenandoahGCMode=generational -Xms1g -Xmx1g TestMemoryMXBeans 1024 1024
47 * @run main/othervm -XX:+UnlockExperimentalVMOptions -XX:+UseShenandoahGC -XX:ShenandoahGCMode=generational -Xms128m -Xmx1g TestMemoryMXBeans 128 1024
48 * @run main/othervm -XX:+UnlockExperimentalVMOptions -XX:+UseShenandoahGC -XX:ShenandoahGCMode=generational -Xms1g -Xmx1g -XX:ShenandoahUncommitDelay=0 TestMemoryMXBeans 1024 1024
49 * @run main/othervm -XX:+UnlockExperimentalVMOptions -XX:+UseShenandoahGC -XX:ShenandoahGCMode=generational -Xms128m -Xmx1g -XX:ShenandoahUncommitDelay=0 TestMemoryMXBeans 128 1024
50 */
51
52 import java.lang.management.*;
53 import java.util.*;
54
55 public class TestMemoryMXBeans {
56
57 public static void main(String[] args) throws Exception {
58 if (args.length < 2) {
59 throw new IllegalStateException("Should provide expected heap sizes");
60 }
61
62 long initSize = 1L * Integer.parseInt(args[0]) * 1024 * 1024;
63 long maxSize = 1L * Integer.parseInt(args[1]) * 1024 * 1024;
64
65 // wait for GC to uncommit
66 Thread.sleep(1000);
67
68 testMemoryBean(initSize, maxSize);
69 }
70
71 public static void testMemoryBean(long initSize, long maxSize) {
72 MemoryMXBean memoryMXBean = ManagementFactory.getMemoryMXBean();
73 long heapInit = memoryMXBean.getHeapMemoryUsage().getInit();
74 long heapCommitted = memoryMXBean.getHeapMemoryUsage().getCommitted();
75 long heapMax = memoryMXBean.getHeapMemoryUsage().getMax();
76 long nonHeapInit = memoryMXBean.getNonHeapMemoryUsage().getInit();
77 long nonHeapCommitted = memoryMXBean.getNonHeapMemoryUsage().getCommitted();
78 long nonHeapMax = memoryMXBean.getNonHeapMemoryUsage().getMax();
79
80 if (initSize > 0 && heapInit != initSize) {
81 throw new IllegalStateException("Init heap size is wrong: " + heapInit + " vs " + initSize);
82 }
83 if (maxSize > 0 && heapMax != maxSize) {
84 throw new IllegalStateException("Max heap size is wrong: " + heapMax + " vs " + maxSize);
85 }
86 if (initSize > 0 && maxSize > 0 && initSize != maxSize && heapCommitted == heapMax) {
87 throw new IllegalStateException("Committed heap size is max: " + heapCommitted +
88 " (init: " + initSize + ", max: " + maxSize + ")");
89 }
90 if (initSize > 0 && maxSize > 0 && initSize == maxSize && heapCommitted != heapMax) {
91 throw new IllegalStateException("Committed heap size is not max: " + heapCommitted +
92 " (init: " + initSize + ", max: " + maxSize + ")");
93 }
94 if (initSize > 0 && heapCommitted < initSize) {
95 throw new IllegalStateException("Committed heap size is below min: " + heapCommitted +
96 " (init: " + initSize + ", max: " + maxSize + ")");
97 }
98 }
99 }