Java如何获取CPU标识符 怎么获取CPU唯一标识
Java\u5982\u4f55\u8bfb\u53d6CPU\u7684\u6570\u636e\u4fe1\u606fjava\u83b7\u53d6\u6240\u6709\u7cfb\u7edf\u4fe1\u606f\uff08CPU\u3001\u5185\u5b58\u3001\u8fdb\u7a0b\u7b49\uff09\u7684\u4ee3\u7801\uff1a
import java.io.InputStreamReader;
import java.io.LineNumberReader;
import java.util.ArrayList;
import java.util.List;
import mytools.com.sun.management.OperatingSystemMXBean;
import mytools.java.io.File;
import mytools.java.lang.management.ManagementFactory;
/**
* \u83b7\u53d6windows\u7cfb\u7edf\u4fe1\u606f\uff08CPU,\u5185\u5b58,\u6587\u4ef6\u7cfb\u7edf\uff09
* @author libing
*
*/
public class WindowsInfoUtil {
private static final int CPUTIME = 500;
private static final int PERCENT = 100;
private static final int FAULTLENGTH = 10;
public static void main(String[] args) {
System.out.println(getCpuRatioForWindows());
System.out.println(getMemery());
System.out.println(getDisk());
}
//\u83b7\u53d6\u5185\u5b58\u4f7f\u7528\u7387
public static String getMemery(){
OperatingSystemMXBean osmxb = (OperatingSystemMXBean) ManagementFactory.getOperatingSystemMXBean();
// \u603b\u7684\u7269\u7406\u5185\u5b58+\u865a\u62df\u5185\u5b58
long totalvirtualMemory = osmxb.getTotalSwapSpaceSize();
// \u5269\u4f59\u7684\u7269\u7406\u5185\u5b58
long freePhysicalMemorySize = osmxb.getFreePhysicalMemorySize();
Double compare=(Double)(1-freePhysicalMemorySize*1.0/totalvirtualMemory)*100;
String str="\u5185\u5b58\u5df2\u4f7f\u7528:"+compare.intValue()+"%";
return str;
}
//\u83b7\u53d6\u6587\u4ef6\u7cfb\u7edf\u4f7f\u7528\u7387
public static List getDisk() {
// \u64cd\u4f5c\u7cfb\u7edf
List list=new ArrayList();
for (char c = 'A'; c <= 'Z'; c++) {
String dirName = c + ":/";
File win = new File(dirName);
if(win.exists()){
long total=(long)win.getTotalSpace();
long free=(long)win.getFreeSpace();
Double compare=(Double)(1-free*1.0/total)*100;
String str=c+":\u76d8 \u5df2\u4f7f\u7528 "+compare.intValue()+"%";
list.add(str);
}
}
return list;
}
//\u83b7\u5f97cpu\u4f7f\u7528\u7387
public static String getCpuRatioForWindows() {
try {
String procCmd = System.getenv("windir") + "\\system32\\wbem\\wmic.exe process get Caption,CommandLine,KernelModeTime,ReadOperationCount,ThreadCount,UserModeTime,WriteOperationCount";
// \u53d6\u8fdb\u7a0b\u4fe1\u606f
long[] c0 = readCpu(Runtime.getRuntime().exec(procCmd));
Thread.sleep(CPUTIME);
long[] c1 = readCpu(Runtime.getRuntime().exec(procCmd));
if (c0 != null && c1 != null) {
long idletime = c1[0] - c0[0];
long busytime = c1[1] - c0[1];
return "CPU\u4f7f\u7528\u7387:"+Double.valueOf(PERCENT * (busytime)*1.0 / (busytime + idletime)).intValue()+"%";
} else {
return "CPU\u4f7f\u7528\u7387:"+0+"%";
}
} catch (Exception ex) {
ex.printStackTrace();
return "CPU\u4f7f\u7528\u7387:"+0+"%";
}
}
//\u8bfb\u53d6cpu\u76f8\u5173\u4fe1\u606f
private static long[] readCpu(final Process proc) {
long[] retn = new long[2];
try {
proc.getOutputStream().close();
InputStreamReader ir = new InputStreamReader(proc.getInputStream());
LineNumberReader input = new LineNumberReader(ir);
String line = input.readLine();
if (line == null || line.length() < FAULTLENGTH) {
return null;
}
int capidx = line.indexOf("Caption");
int cmdidx = line.indexOf("CommandLine");
int rocidx = line.indexOf("ReadOperationCount");
int umtidx = line.indexOf("UserModeTime");
int kmtidx = line.indexOf("KernelModeTime");
int wocidx = line.indexOf("WriteOperationCount");
long idletime = 0;
long kneltime = 0;
long usertime = 0;
while ((line = input.readLine()) != null) {
if (line.length() < wocidx) {
continue;
}
// \u5b57\u6bb5\u51fa\u73b0\u987a\u5e8f\uff1aCaption,CommandLine,KernelModeTime,ReadOperationCount,
// ThreadCount,UserModeTime,WriteOperation
String caption =substring(line, capidx, cmdidx - 1).trim();
String cmd = substring(line, cmdidx, kmtidx - 1).trim();
if (cmd.indexOf("wmic.exe") >= 0) {
continue;
}
String s1 = substring(line, kmtidx, rocidx - 1).trim();
String s2 = substring(line, umtidx, wocidx - 1).trim();
if (caption.equals("System Idle Process") || caption.equals("System")) {
if (s1.length() > 0)
idletime += Long.valueOf(s1).longValue();
if (s2.length() > 0)
idletime += Long.valueOf(s2).longValue();
continue;
}
if (s1.length() > 0)
kneltime += Long.valueOf(s1).longValue();
if (s2.length() > 0)
usertime += Long.valueOf(s2).longValue();
}
retn[0] = idletime;
retn[1] = kneltime + usertime;
return retn;
} catch (Exception ex) {
ex.printStackTrace();
} finally {
try {
proc.getInputStream().close();
} catch (Exception e) {
e.printStackTrace();
}
}
return null;
}
/**
* \u7531\u4e8eString.subString\u5bf9\u6c49\u5b57\u5904\u7406\u5b58\u5728\u95ee\u9898\uff08\u628a\u4e00\u4e2a\u6c49\u5b57\u89c6\u4e3a\u4e00\u4e2a\u5b57\u8282)\uff0c\u56e0\u6b64\u5728 \u5305\u542b\u6c49\u5b57\u7684\u5b57\u7b26\u4e32\u65f6\u5b58\u5728\u9690\u60a3\uff0c\u73b0\u8c03\u6574\u5982\u4e0b\uff1a
* @param src \u8981\u622a\u53d6\u7684\u5b57\u7b26\u4e32
* @param start_idx \u5f00\u59cb\u5750\u6807\uff08\u5305\u62ec\u8be5\u5750\u6807)
* @param end_idx \u622a\u6b62\u5750\u6807\uff08\u5305\u62ec\u8be5\u5750\u6807\uff09
* @return
*/
private static String substring(String src, int start_idx, int end_idx) {
byte[] b = src.getBytes();
String tgt = "";
for (int i = start_idx; i <= end_idx; i++) {
tgt += (char) b[i];
}
return tgt;
}
}
\u83b7\u53d6CPU\u7684\u552f\u4e00\u6807\u8bc6\u4ee3\u7801\uff0c\u901a\u5e38\u662f\u901a\u8fc7\u4ee3\u7801\u7f16\u7a0b\u6765\u83b7\u53d6\u7684\uff0c\u5bf9\u4e1a\u4f59\u8005\u6765\u8bf4\uff0c\u96be\u5ea6\u5f88\u5927\uff0c\u4ecb\u7ecd\u4e00\u6b3e\u5c0f\u5de5\u5177\u8f6f\u4ef6\uff0c\u53ef\u7528\u5b83\u6765\u63d0\u53d6\u8fd9\u4e2a\u4ee3\u7801\uff1a
1\u3001\u641c\u7d22\u4e0b\u8f7d \u201c Get CPU ID \u201d \u83b7\u53d6CPU ID\u5de5\u5177\u8f6f\u4ef6\u3002\u8f6f\u4ef6\u8fd0\u884c\u73af\u5883\u8981\u6c42\u5982\u4e0b\uff1a
2\u3001\u4e0b\u8f7d\u56fe\u4e2d\u63d0\u793a\u7684.NET Framework V4.0.30319 \u5b89\u88c5\u540e\uff0c\u8fd0\u884cGet CPU ID\u7a0b\u5e8f\uff0c\u754c\u9762\u5982\u4e0b\uff1b
3\u3001\u70b9\u51fb\u7a97\u53e3\u4e2d \u201c Get CPU ID \u201d \uff0c\u5982\u6307\u9488\u6240\u793a\u4f4d\u7f6e\uff0c\u5373\u4f1a\u663e\u793a\u8fd9\u4e2a\u201c \u552f\u4e00\u4ee3\u7801\u201d\uff1b
4\u3001\u6ce8\u610f\u95ee\u9898\uff0c\u8be5\u5c0f\u5de5\u5177\uff0c\u53ef\u652f\u6301\u5728XP\u53ca\u4ee5\u4e0a\u7248\u672c\u64cd\u4f5c\u7cfb\u7edf\u8fd0\u884c\u3002\u82e5\u5728\u5b89\u88c5 .NET Framework V4.0.30319\u65f6\uff0c\u9047\u5230\u9519\u8bef\u63d0\u793a\uff0c\u53ef\u5148\u5378\u6389\u673a\u4e2d\u539f\u5df2\u5b89\u88c5\u7684 .Net \u8001\u7248\u672c\uff0c\u91cd\u542f\u540e\u518d\u884c\u5b89\u88c5\u5373\u53ef\u3002
System.getProperty("os.arch") -- cpu架构 ，如x86
os.name --如Windows XP
os.version -- 操作系统版本号
如果还无法满足，可以根据系统的不同，利用Runtime入口去执行命令来获取，比如：
linux 下 可以执行如：
Runtime.getRuntime().exec("cat /proc/cpuinfo |grep vender_id");
之类的语句进行获取
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绛旓細public class CpuUtil { public static void main(String[] args) throws IOException { long start = System.currentTimeMillis(); Process process = Runtime.getRuntime().exec( new String[] { "wmic", "cpu", "get", "ProcessorId" }); process.getOutputStream().close(); Sc...
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