|
1 /* |
|
2 * Copyright (c) 2003, 2015, Oracle and/or its affiliates. All rights reserved. |
|
3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
|
4 * |
|
5 * This code is free software; you can redistribute it and/or modify it |
|
6 * under the terms of the GNU General Public License version 2 only, as |
|
7 * published by the Free Software Foundation. Oracle designates this |
|
8 * particular file as subject to the "Classpath" exception as provided |
|
9 * by Oracle in the LICENSE file that accompanied this code. |
|
10 * |
|
11 * This code is distributed in the hope that it will be useful, but WITHOUT |
|
12 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
|
13 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
|
14 * version 2 for more details (a copy is included in the LICENSE file that |
|
15 * accompanied this code). |
|
16 * |
|
17 * You should have received a copy of the GNU General Public License version |
|
18 * 2 along with this work; if not, write to the Free Software Foundation, |
|
19 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
|
20 * |
|
21 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
|
22 * or visit www.oracle.com if you need additional information or have any |
|
23 * questions. |
|
24 */ |
|
25 |
|
26 package com.sun.management.internal; |
|
27 |
|
28 import sun.management.BaseOperatingSystemImpl; |
|
29 import sun.management.VMManagement; |
|
30 /** |
|
31 * Implementation class for the operating system. |
|
32 * Standard and committed hotspot-specific metrics if any. |
|
33 * |
|
34 * ManagementFactory.getOperatingSystemMXBean() returns an instance |
|
35 * of this class. |
|
36 */ |
|
37 class OperatingSystemImpl extends BaseOperatingSystemImpl |
|
38 implements com.sun.management.UnixOperatingSystemMXBean { |
|
39 |
|
40 OperatingSystemImpl(VMManagement vm) { |
|
41 super(vm); |
|
42 } |
|
43 |
|
44 public long getCommittedVirtualMemorySize() { |
|
45 return getCommittedVirtualMemorySize0(); |
|
46 } |
|
47 |
|
48 public long getTotalSwapSpaceSize() { |
|
49 return getTotalSwapSpaceSize0(); |
|
50 } |
|
51 |
|
52 public long getFreeSwapSpaceSize() { |
|
53 return getFreeSwapSpaceSize0(); |
|
54 } |
|
55 |
|
56 public long getProcessCpuTime() { |
|
57 return getProcessCpuTime0(); |
|
58 } |
|
59 |
|
60 public long getFreePhysicalMemorySize() { |
|
61 return getFreePhysicalMemorySize0(); |
|
62 } |
|
63 |
|
64 public long getTotalPhysicalMemorySize() { |
|
65 return getTotalPhysicalMemorySize0(); |
|
66 } |
|
67 |
|
68 public long getOpenFileDescriptorCount() { |
|
69 return getOpenFileDescriptorCount0(); |
|
70 } |
|
71 |
|
72 public long getMaxFileDescriptorCount() { |
|
73 return getMaxFileDescriptorCount0(); |
|
74 } |
|
75 |
|
76 public double getSystemCpuLoad() { |
|
77 return getSystemCpuLoad0(); |
|
78 } |
|
79 |
|
80 public double getProcessCpuLoad() { |
|
81 return getProcessCpuLoad0(); |
|
82 } |
|
83 |
|
84 /* native methods */ |
|
85 private native long getCommittedVirtualMemorySize0(); |
|
86 private native long getFreePhysicalMemorySize0(); |
|
87 private native long getFreeSwapSpaceSize0(); |
|
88 private native long getMaxFileDescriptorCount0(); |
|
89 private native long getOpenFileDescriptorCount0(); |
|
90 private native long getProcessCpuTime0(); |
|
91 private native double getProcessCpuLoad0(); |
|
92 private native double getSystemCpuLoad0(); |
|
93 private native long getTotalPhysicalMemorySize0(); |
|
94 private native long getTotalSwapSpaceSize0(); |
|
95 |
|
96 static { |
|
97 initialize0(); |
|
98 } |
|
99 |
|
100 private static native void initialize0(); |
|
101 } |