author | dtitov |
Wed, 17 Jul 2019 11:23:51 -0700 | |
changeset 55725 | d2188297c6a2 |
parent 50525 | 767cdb97f103 |
permissions | -rw-r--r-- |
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/* |
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d2188297c6a2
8206179: com/sun/management/OperatingSystemMXBean/GetCommittedVirtualMemorySize.java fails with Committed virtual memory size illegal value
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* Copyright (c) 2003, 2019, 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 |
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* @bug 4858522 6191542 |
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* @summary Basic unit test of OperatingSystemMXBean.getCommittedVirtualMemorySize() |
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50525
767cdb97f103
8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
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* @requires vm.gc != "Z" |
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* @author Steve Bohne |
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*/ |
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/* |
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* This test is just a sanity check and does not check for the correct |
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* value. The correct value should be checked manually: |
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* Solaris: |
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* 1. In a shell, enter the command: "ps -efly" |
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* 2. Find your process, and look in the "SZ" column. Reported in Kbytes. |
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* Linux: |
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* 1. In a shell, enter the command: "ps -efly" |
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* 2. Find your process, and look in the "SZ" column. Reported in Kbytes. |
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* Windows NT/XP/2000: |
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* 1. Hit Ctrl-Alt-Delete, select Task Manager, go to Processes tab. |
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* 2. Find your process and look in the "Mem Usage" column. Reported in |
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* Kbytes. |
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* Windows 98/ME: |
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* Not supported. |
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*/ |
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import com.sun.management.OperatingSystemMXBean; |
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import java.lang.management.*; |
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public class GetCommittedVirtualMemorySize { |
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private static OperatingSystemMXBean mbean = |
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(com.sun.management.OperatingSystemMXBean) |
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ManagementFactory.getOperatingSystemMXBean(); |
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// Careful with these values. |
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private static final long MIN_SIZE_FOR_PASS = 1; |
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55725
d2188297c6a2
8206179: com/sun/management/OperatingSystemMXBean/GetCommittedVirtualMemorySize.java fails with Committed virtual memory size illegal value
dtitov
parents:
50525
diff
changeset
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private static long MAX_SIZE_FOR_PASS = Long.MAX_VALUE; |
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private static boolean trace = false; |
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public static void main(String args[]) throws Exception { |
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if (args.length > 0 && args[0].equals("trace")) { |
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trace = true; |
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} |
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long size = mbean.getCommittedVirtualMemorySize(); |
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if (size == -1) { |
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System.out.println("getCommittedVirtualMemorySize() is not supported"); |
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return; |
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} |
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if (trace) { |
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System.out.println("Committed virtual memory size in bytes: " + |
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size); |
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} |
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55725
d2188297c6a2
8206179: com/sun/management/OperatingSystemMXBean/GetCommittedVirtualMemorySize.java fails with Committed virtual memory size illegal value
dtitov
parents:
50525
diff
changeset
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if (size < MIN_SIZE_FOR_PASS || size > MAX_SIZE_FOR_PASS) { |
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throw new RuntimeException("Committed virtual memory size " + |
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"illegal value: " + size + " bytes " + |
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"(MIN = " + MIN_SIZE_FOR_PASS + "; " + |
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55725
d2188297c6a2
8206179: com/sun/management/OperatingSystemMXBean/GetCommittedVirtualMemorySize.java fails with Committed virtual memory size illegal value
dtitov
parents:
50525
diff
changeset
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"MAX = " + MAX_SIZE_FOR_PASS + ")"); |
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} |
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System.out.println("Test passed."); |
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} |
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} |