| /* |
| * Copyright (c) 2014, 2016, Oracle and/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 |
| * or visit www.oracle.com if you need additional information or have any |
| * questions. |
| */ |
| |
| /** |
| * @test MemoryPoolsPresenceTest |
| * @summary verify that MemoryManagerMXBean exists for every code cache segment |
| * @modules java.base/jdk.internal.misc |
| * java.management |
| * @library /test/lib |
| * |
| * @build sun.hotspot.WhiteBox |
| * @run driver ClassFileInstaller sun.hotspot.WhiteBox |
| * sun.hotspot.WhiteBox$WhiteBoxPermission |
| * @run main/othervm -Xbootclasspath/a:. -XX:+UnlockDiagnosticVMOptions |
| * -XX:+WhiteBoxAPI |
| * -XX:+SegmentedCodeCache |
| * compiler.codecache.jmx.MemoryPoolsPresenceTest |
| * @run main/othervm -Xbootclasspath/a:. -XX:+UnlockDiagnosticVMOptions |
| * -XX:+WhiteBoxAPI |
| * -XX:-SegmentedCodeCache |
| * compiler.codecache.jmx.MemoryPoolsPresenceTest |
| */ |
| |
| package compiler.codecache.jmx; |
| |
| import jdk.test.lib.Asserts; |
| import sun.hotspot.code.BlobType; |
| |
| import java.lang.management.ManagementFactory; |
| import java.lang.management.MemoryManagerMXBean; |
| import java.util.HashMap; |
| import java.util.List; |
| import java.util.Map; |
| import java.util.Optional; |
| |
| public class MemoryPoolsPresenceTest { |
| |
| private static final String CC_MANAGER = "CodeCacheManager"; |
| private final Map<String, Integer> counters = new HashMap<>(); |
| |
| public static void main(String args[]) { |
| new MemoryPoolsPresenceTest().runTest(); |
| } |
| |
| protected void runTest() { |
| List<MemoryManagerMXBean> beans |
| = ManagementFactory.getMemoryManagerMXBeans(); |
| Optional<MemoryManagerMXBean> any = beans |
| .stream() |
| .filter(bean -> CC_MANAGER.equals(bean.getName())) |
| .findAny(); |
| Asserts.assertTrue(any.isPresent(), "Bean not found: " + CC_MANAGER); |
| MemoryManagerMXBean ccManager = any.get(); |
| Asserts.assertNotNull(ccManager, "Found null for " + CC_MANAGER); |
| String names[] = ccManager.getMemoryPoolNames(); |
| for (String name : names) { |
| counters.put(name, counters.containsKey(name) |
| ? counters.get(name) + 1 : 1); |
| } |
| for (BlobType btype : BlobType.getAvailable()) { |
| Asserts.assertEQ(counters.get(btype.getMemoryPool().getName()), 1, |
| "Found unexpected amount of beans for pool " |
| + btype.getMemoryPool().getName()); |
| } |
| Asserts.assertEQ(BlobType.getAvailable().size(), |
| counters.keySet().size(), "Unexpected amount of bean names"); |
| } |
| } |