88 lines
3.4 KiB
Java
88 lines
3.4 KiB
Java
/*
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* Copyright (c) 2014, 2022, Oracle and/or its affiliates. All rights reserved.
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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*
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* This code is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License version 2 only, as
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* published by the Free Software Foundation.
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*
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* This code is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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* version 2 for more details (a copy is included in the LICENSE file that
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* accompanied this code).
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*
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* You should have received a copy of the GNU General Public License version
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* 2 along with this work; if not, write to the Free Software Foundation,
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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*
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* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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* or visit www.oracle.com if you need additional information or have any
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* questions.
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*/
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/**
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* @test MemoryPoolsPresenceTest
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* @summary verify that MemoryManagerMXBean exists for every code cache segment
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* @modules java.base/jdk.internal.misc
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* java.management
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* @library /test/lib
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*
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* @build jdk.test.whitebox.WhiteBox
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* @run driver jdk.test.lib.helpers.ClassFileInstaller jdk.test.whitebox.WhiteBox
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* @run main/othervm -Xbootclasspath/a:. -XX:+UnlockDiagnosticVMOptions
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* -XX:+WhiteBoxAPI
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* -XX:+SegmentedCodeCache
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* compiler.codecache.jmx.MemoryPoolsPresenceTest
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* @run main/othervm -Xbootclasspath/a:. -XX:+UnlockDiagnosticVMOptions
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* -XX:+WhiteBoxAPI
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* -XX:-SegmentedCodeCache
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* compiler.codecache.jmx.MemoryPoolsPresenceTest
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*/
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package compiler.codecache.jmx;
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import jdk.test.lib.Asserts;
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import jdk.test.whitebox.code.BlobType;
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import java.lang.management.ManagementFactory;
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import java.lang.management.MemoryManagerMXBean;
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import java.util.HashMap;
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import java.util.List;
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import java.util.Map;
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import java.util.Optional;
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public class MemoryPoolsPresenceTest {
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private static final String CC_MANAGER = "CodeCacheManager";
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private final Map<String, Integer> counters = new HashMap<>();
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public static void main(String args[]) {
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new MemoryPoolsPresenceTest().runTest();
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}
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protected void runTest() {
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List<MemoryManagerMXBean> beans
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= ManagementFactory.getMemoryManagerMXBeans();
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Optional<MemoryManagerMXBean> any = beans
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.stream()
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.filter(bean -> CC_MANAGER.equals(bean.getName()))
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.findAny();
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Asserts.assertTrue(any.isPresent(), "Bean not found: " + CC_MANAGER);
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MemoryManagerMXBean ccManager = any.get();
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Asserts.assertNotNull(ccManager, "Found null for " + CC_MANAGER);
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String names[] = ccManager.getMemoryPoolNames();
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for (String name : names) {
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counters.put(name, counters.containsKey(name)
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? counters.get(name) + 1 : 1);
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}
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for (BlobType btype : BlobType.getAvailable()) {
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Asserts.assertEQ(counters.get(btype.getMemoryPool().getName()), 1,
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"Found unexpected amount of beans for pool "
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+ btype.getMemoryPool().getName());
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}
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Asserts.assertEQ(BlobType.getAvailable().size(),
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counters.keySet().size(), "Unexpected amount of bean names");
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}
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}
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