Files
William Kemper 28ae281b42 8337511: Implement JEP 404: Generational Shenandoah (Experimental)
Co-authored-by: Kelvin Nilsen <kdnilsen@openjdk.org>
Co-authored-by: Y. Srinivas Ramakrishna <ysr@openjdk.org>
Co-authored-by: Bernd Mathiske <bmathiske@openjdk.org>
Co-authored-by: Martin Doerr <mdoerr@openjdk.org>
Co-authored-by: Fei Yang <fyang@openjdk.org>
Reviewed-by: rkennke, shade, phh
2024-11-29 20:53:07 +00:00

76 lines
2.8 KiB
Java

/*
* Copyright (c) 2017, 2018, Red Hat, Inc. All rights reserved.
* Copyright Amazon.com Inc. 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.
*
* 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
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* questions.
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*/
/**
* @test id=default
* @summary Test JMX memory pools
* @requires vm.gc.Shenandoah
* @modules java.base/jdk.internal.misc
* java.management
* @run main/othervm -XX:+UnlockExperimentalVMOptions -XX:+UseShenandoahGC -Xmx1g -Xms1g TestMemoryPools
*/
/**
* @test id=generational
* @summary Test JMX memory pools
* @requires vm.gc.Shenandoah
* @modules java.base/jdk.internal.misc
* java.management
* @run main/othervm -XX:+UnlockExperimentalVMOptions -XX:+UseShenandoahGC -XX:ShenandoahGCMode=generational -Xmx1g -Xms1g TestMemoryPools
*/
import java.lang.management.*;
import java.util.*;
public class TestMemoryPools {
public static void main(String[] args) throws Exception {
List<MemoryManagerMXBean> mms = ManagementFactory.getMemoryManagerMXBeans();
if (mms == null) {
throw new RuntimeException("getMemoryManagerMXBeans is null");
}
if (mms.isEmpty()) {
throw new RuntimeException("getMemoryManagerMXBeans is empty");
}
for (MemoryManagerMXBean mmBean : mms) {
String[] names = mmBean.getMemoryPoolNames();
if (names == null) {
throw new RuntimeException("getMemoryPoolNames() is null");
}
if (names.length == 0) {
throw new RuntimeException("getMemoryPoolNames() is empty");
}
for (String name : names) {
if (name == null) {
throw new RuntimeException("pool name is null");
}
if (name.length() == 0) {
throw new RuntimeException("pool name is empty");
}
}
}
}
}