author | fparain |
Fri, 06 May 2011 18:09:33 +0200 | |
changeset 9559 | 24c0a7a7297f |
parent 5506 | 202f599c92aa |
child 14342 | 8435a30053c1 |
permissions | -rw-r--r-- |
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/* |
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* Copyright (c) 2003, 2005, 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. Oracle designates this |
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* particular file as subject to the "Classpath" exception as provided |
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* by Oracle in the LICENSE file that accompanied this code. |
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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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package com.sun.management; |
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import sun.management.VMManagement; |
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/** |
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* Implementation class for the operating system. |
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* Standard and committed hotspot-specific metrics if any. |
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* |
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* ManagementFactory.getOperatingSystemMXBean() returns an instance |
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* of this class. |
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*/ |
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class OperatingSystem |
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extends sun.management.OperatingSystemImpl |
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implements OperatingSystemMXBean { |
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// psapiLock is a lock to make sure only one thread loading |
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// PSAPI DLL. |
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private static Object psapiLock = new Object(); |
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OperatingSystem(VMManagement vm) { |
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super(vm); |
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} |
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public long getCommittedVirtualMemorySize() { |
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synchronized (psapiLock) { |
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return getCommittedVirtualMemorySize0(); |
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} |
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} |
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private native long getCommittedVirtualMemorySize0(); |
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public native long getTotalSwapSpaceSize(); |
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public native long getFreeSwapSpaceSize(); |
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public native long getProcessCpuTime(); |
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public native long getFreePhysicalMemorySize(); |
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public native long getTotalPhysicalMemorySize(); |
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24c0a7a7297f
7028071: Add two attributes to the OperatingSystemMXBean to provide CPU Load info
fparain
parents:
5506
diff
changeset
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public native double getSystemCpuLoad(); |
24c0a7a7297f
7028071: Add two attributes to the OperatingSystemMXBean to provide CPU Load info
fparain
parents:
5506
diff
changeset
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public native double getProcessCpuLoad(); |
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static { |
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initialize(); |
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} |
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private static native void initialize(); |
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} |