| 1 |
<%@ page language="java" contentType="text/html; charset=UTF-8" |
| 2 |
pageEncoding="UTF-8"%> |
| 3 |
<%@ page import="com.sun.management.*" %> |
| 4 |
<%@ page import="java.lang.management.ManagementFactory" %> |
| 5 |
<%@ page import="java.io.*" %> |
| 6 |
|
| 7 |
<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd"> |
| 8 |
<html> |
| 9 |
<head> |
| 10 |
<meta http-equiv="Content-Type" content="text/html; charset=UTF-8"> |
| 11 |
<style type="text/css"> |
| 12 |
h2 { |
| 13 |
text-align: center; |
| 14 |
} |
| 15 |
|
| 16 |
table{ |
| 17 |
text-align: center; |
| 18 |
margin-left: auto; |
| 19 |
margin-right: auto; |
| 20 |
border: 1px solid #000000; |
| 21 |
width: 400px; |
| 22 |
border-spacing: 0px; |
| 23 |
} |
| 24 |
|
| 25 |
td { |
| 26 |
border: 1px solid #000000; |
| 27 |
} |
| 28 |
|
| 29 |
p { |
| 30 |
text-align: center; |
| 31 |
} |
| 32 |
</style> |
| 33 |
<title>JSPSysInfo</title> |
| 34 |
</head> |
| 35 |
<body> |
| 36 |
<% |
| 37 |
OperatingSystemMXBean mxbean = (OperatingSystemMXBean) ManagementFactory.getOperatingSystemMXBean(); |
| 38 |
long mb = 1024*1024; |
| 39 |
Runtime rt = Runtime.getRuntime(); |
| 40 |
%> |
| 41 |
|
| 42 |
<h2>Java</h2> |
| 43 |
<p><%= System.getProperty("java.runtime.name") + " version " + System.getProperty("java.runtime.version") + System.getProperty("java.vm.version") + " by " + System.getProperty("java.vm.vendor") %><br> |
| 44 |
Server: <%= getServletContext().getServerInfo() %><br> |
| 45 |
JVM Memory, free:<%= rt.freeMemory()/mb %>, total:<%= rt.totalMemory()/mb %>, max:<%= rt.maxMemory()/mb %> |
| 46 |
</p> |
| 47 |
|
| 48 |
<h2>OS</h2> |
| 49 |
<p> |
| 50 |
<%= System.getProperty("os.name") + " Version " + System.getProperty("os.version") + " on " + System.getProperty("os.arch") + " architechture"%> |
| 51 |
</p> |
| 52 |
|
| 53 |
<h2>CPU</h2> |
| 54 |
<table> |
| 55 |
<tr><td width="100">CPUs</td><td> <%= mxbean.getAvailableProcessors() %></td></tr> |
| 56 |
<tr><td>Load avg.</td><td> <%= mxbean.getSystemLoadAverage() %></td></tr> |
| 57 |
<!-- <tr><td>JVM CPU</td><td> <%= mxbean.getProcessCpuTime()/1000 %>msec</td></tr> --> |
| 58 |
</table> |
| 59 |
|
| 60 |
<h2>Memory</h2> |
| 61 |
<table> |
| 62 |
<tr><td width="100"> </td><td>Free</td><td>Total</td></tr> |
| 63 |
<tr><td>Physical</td><td><%= mxbean.getFreePhysicalMemorySize()/mb %></td><td><%= mxbean.getTotalPhysicalMemorySize()/mb %></td></tr> |
| 64 |
<tr><td>Swap</td><td><%= mxbean.getFreeSwapSpaceSize()/mb %></td><td><%= mxbean.getTotalSwapSpaceSize()/mb %></td></tr> |
| 65 |
<tr><td>Commit</td><td colspan="2"><%= mxbean.getCommittedVirtualMemorySize()/mb %></td></tr> |
| 66 |
</table> |
| 67 |
<p>All numbers in MB</p> |
| 68 |
|
| 69 |
<h2>File system</h2> |
| 70 |
<table> |
| 71 |
<tr> |
| 72 |
<td width="100"> </td> |
| 73 |
<td>Total</td> |
| 74 |
<td>Free</td> |
| 75 |
<td>Usable</td> |
| 76 |
</tr> |
| 77 |
<% |
| 78 |
for (File fs : File.listRoots() ) { |
| 79 |
%> |
| 80 |
<tr> |
| 81 |
<td><%= fs.getAbsolutePath() %></td> |
| 82 |
<td><%= fs.getTotalSpace()/mb %></td> |
| 83 |
<td><%= fs.getFreeSpace()/mb %></td> |
| 84 |
<td><%= fs.getUsableSpace()/mb %></td> |
| 85 |
</tr> |
| 86 |
<%} %> |
| 87 |
|
| 88 |
</table> |
| 89 |
<p>All numbers in MB</p> |
| 90 |
|
| 91 |
|
| 92 |
</body> |
| 93 |
</html> |
Parent Directory
| 
Revision Log