<!-- https://mvnrepository.com/artifact/org.hyperic/sigar -->
<dependency>
<groupId>org.hyperic</groupId>
<artifactId>sigar</artifactId>
<version>1.6.4</version>
</dependency>
copy from ： https://my.oschina.net/mkh/blog/312911
import java.net.InetAddress;
import java.net.UnknownHostException;
import java.util.Map;
import java.util.Properties;
import org.hyperic.sigar.CpuInfo;
import org.hyperic.sigar.CpuPerc;
import org.hyperic.sigar.FileSystem;
import org.hyperic.sigar.FileSystemUsage;
import org.hyperic.sigar.Mem;
import org.hyperic.sigar.NetFlags;
import org.hyperic.sigar.NetInterfaceConfig;
import org.hyperic.sigar.NetInterfaceStat;
import org.hyperic.sigar.OperatingSystem;
import org.hyperic.sigar.Sigar;
import org.hyperic.sigar.SigarException;
import org.hyperic.sigar.Swap;
import org.hyperic.sigar.Who;
public class RuntimeTest {
public static void main(String[] args) {
try {
// System information, obtained from jvm
property();
System.out.println("----------------------------------");
// cpu information
cpu();
System.out.println("----------------------------------");
// memory information
memory();
System.out.println("----------------------------------");
// OS info
you();
System.out.println("----------------------------------");
// User Info
who();
System.out.println("----------------------------------");
// file system information
file();
System.out.println("----------------------------------");
// Internet Information
net();
System.out.println("----------------------------------");
// ethernet info
ethernet();
System.out.println("----------------------------------");
} catch (Exception e1) {
e1.printStackTrace();
}
}
private static void property() throws UnknownHostException {
Runtime r = Runtime.getRuntime();
Properties props = System.getProperties();
InetAddress addr;
addr = InetAddress.getLocalHost();
String ip = addr.getHostAddress();
Map<String, String> map = System.getenv();
String userName = map.get("USERNAME");// Get the username
String computerName = map.get("COMPUTERNAME");// Get the computer name
String userDomain = map.get("USERDOMAIN");// Get the computer domain name
System.out.println("Username: " + userName);
System.out.println("Computer name: " + computerName);
System.out.println("Computer domain name: " + userDomain);
System.out.println("local ip address: " + ip);
System.out.println("Local hostname: " + addr.getHostName());
System.out.println("Total memory available to JVM: " + r.totalMemory());
System.out.println("Remaining memory available to JVM: " + r.freeMemory());
System.out.println("Number of processors available to JVM: " + r.availableProcessors());
System.out.println("Java runtime environment version: " + props.getProperty("java.version"));
System.out.println("Java runtime environment vendor: " + props.getProperty("java.vendor"));
System.out.println("Java vendor URL: " + props.getProperty("java.vendor.url"));
System.out.println("Java installation path: " + props.getProperty("java.home"));
System.out.println("Java's virtual machine specification version: " + props.getProperty("java.vm.specification.version"));
System.out.println("Java virtual machine specification vendor: " + props.getProperty("java.vm.specification.vendor"));
System.out.println("Java's virtual machine specification name: " + props.getProperty("java.vm.specification.name"));
System.out.println("Java's virtual machine implementation version: " + props.getProperty("java.vm.version"));
System.out.println("Java virtual machine implementation vendor: " + props.getProperty("java.vm.vendor"));
System.out.println("Java's virtual machine implementation name: " + props.getProperty("java.vm.name"));
System.out.println("Java runtime environment specification version: " + props.getProperty("java.specification.version"));
System.out.println("Java runtime environment specification vendor: " + props.getProperty("java.specification.vender"));
System.out.println("Java runtime environment specification name: " + props.getProperty("java.specification.name"));
System.out.println("Java class format version number: " + props.getProperty("java.class.version"));
System.out.println("Java's classpath: " + props.getProperty("java.class.path"));
System.out.println("List of paths searched when loading libraries: " + props.getProperty("java.library.path"));
System.out.println("Default temporary file path: " + props.getProperty("java.io.tmpdir"));
System.out.println("Path to one or more extension directories: " + props.getProperty("java.ext.dirs"));
System.out.println("The name of the operating system: " + props.getProperty("os.name"));
System.out.println("The architecture of the operating system: " + props.getProperty("os.arch"));
System.out.println("OS version: " + props.getProperty("os.version"));
System.out.println("File separator: " + props.getProperty("file.separator"));
System.out.println("Path separator: " + props.getProperty("path.separator"));
System.out.println("Line separator: " + props.getProperty("line.separator"));
System.out.println("User's account name: " + props.getProperty("user.name"));
System.out.println("User's home directory: " + props.getProperty("user.home"));
System.out.println("User's current working directory: " + props.getProperty("user.dir"));
}
private static void memory() throws SigarException {
Sigar cigar = new Sigar();
Mem mem = sigar.getMem();
// total memory
System.out.println("Total memory: " + mem.getTotal() / 1024L + "K av");
// current memory usage
System.out.println("Current memory usage: " + mem.getUsed() / 1024L + "K used");
// current amount of memory remaining
System.out.println("Current memory remaining: " + mem.getFree() / 1024L + "K free");
Swap swap = sigar.getSwap();
// total amount of swap area
System.out.println("Total swap area: " + swap.getTotal() / 1024L + "K av");
// current swap usage
System.out.println("Current swap usage: " + swap.getUsed() / 1024L + "K used");
// current swap area remaining
System.out.println("Current swap area remaining: " + swap.getFree() / 1024L + "K free");
}
private static void cpu() throws SigarException {
Sigar cigar = new Sigar();
CpuInfo infos [] = sigar.getCpuInfoList ();
CpuPerc cpuList [] = null;
cpuList = sigar.getCpuPercList();
for (int i = 0; i < infos.length; i++) {// Whether it is a single CPU or multiple CPUs
CpuInfo info = infos[i];
System.out.println("Section" + (i + 1) + "Block CPU Information");
System.out.println("CPU total MHz: " + info.getMhz());// CPU total MHz
System.out.println("CPU manufacturer: " + info.getVendor());// Get the vendor of the CPU, such as: Intel
System.out.println("CPU class: " + info.getModel());// Get the CPU class, such as: Celeron
System.out.println("Number of CPU caches: " + info.getCacheSize());// Number of buffer memory
printCpuPerc(cpuList[i]);
}
}
private static void printCpuPerc(CpuPerc cpu) {
System.out.println("CPU user usage: " + CpuPerc.format(cpu.getUser()));// User usage
System.out.println("CPU system usage: " + CpuPerc.format(cpu.getSys()));// System usage
System.out.println("CPU current waiting rate: " + CpuPerc.format(cpu.getWait()));// current waiting rate
System.out.println("CPU current error rate: " + CpuPerc.format(cpu.getNice()));//
System.out.println("CPU current idle rate: " + CpuPerc.format(cpu.getIdle()));// Current idle rate
System.out.println("CPU total usage: " + CpuPerc.format(cpu.getCombined()));// total usage
}
private static void os() {
OperatingSystem OS = OperatingSystem.getInstance();
// Operating system kernel type such as: 386, 486, 586, etc. x86
System.out.println("OS: " + OS.getArch());
System.out.println("OSCpuEndian(): " + OS.getCpuEndian());//
System.out.println("Operating System DataModel(): " + OS.getDataModel());//
// System specification
System.out.println("Description of the operating system: " + OS.getDescription());
// OS type
// System.out.println("OS.getName(): " + OS.getName());
// System.out.println("OS.getPatchLevel(): " + OS.getPatchLevel());//
// the vendor of the operating system
System.out.println("OS vendor: " + OS.getVendor());
// vendor name
System.out.println("OS vendor name: " + OS.getVendorCodeName());
// OS name
System.out.println("OS name: " + OS.getVendorName());
// OS vendor type
System.out.println("OS vendor type: " + OS.getVendorVersion());
// version number of the operating system
System.out.println("The version number of the operating system: " + OS.getVersion());
}
private static void who() throws SigarException {
Sigar cigar = new Sigar();
Who who[] = sigar.getWhoList();
if (who != null && who.length > 0) {
for (int i = 0; i < who.length; i++) {
// System.out.println("User name in the current system process table" + String.valueOf(i));
Who _who = who[i];
System.out.println("User console: " + _who.getDevice());
System.out.println("用户host: " + _who.getHost());
// System.out.println("getTime(): " + _who.getTime());
// The username in the current system process table
System.out.println("User name in the current system process table: " + _who.getUser());
}
}
}
private static void file() throws Exception {
Sigar cigar = new Sigar();
FileSystem fslist[] = sigar.getFileSystemList();
for (int i = 0; i < fslist.length; i++) {
System.out.println("The drive letter name of the partition" + i);
FileSystem fs = fslist[i];
// The drive letter name of the partition
System.out.println("Drive name: " + fs.getDevName());
// The drive letter name of the partition
System.out.println("Drive letter path: " + fs.getDirName());
System.out.println("Drive flag: " + fs.getFlags());//
// File system type, such as FAT32, NTFS
System.out.println("Drive type: " + fs.getSysTypeName());
// File system type name, such as local hard disk, CD-ROM, network file system, etc.
System.out.println("Type name of drive letter: " + fs.getTypeName());
// filesystem type
System.out.println("Drive letter file system type: " + fs.getType());
FileSystemUsage usage = null;
usage = sigar.getFileSystemUsage(fs.getDirName());
switch (fs.getType()) {
case 0: // TYPE_UNKNOWN ：未知
break;
case 1: // TYPE_NONE
break;
case 2: // TYPE_LOCAL_DISK : local hard disk
// total file system size
System.out.println(fs.getDevName() + "总大小: " + usage.getTotal() + "KB");
// The remaining size of the file system
System.out.println(fs.getDevName() + "剩余大小: " + usage.getFree() + "KB");
// filesystem free size
System.out.println(fs.getDevName() + "可用大小: " + usage.getAvail() + "KB");
// Filesystem has been used
System.out.println(fs.getDevName() + "Used: " + usage.getUsed() + "KB");
double usePercent = usage.getUsePercent() * 100D;
// Utilization of file system resources
System.out.println(fs.getDevName() + "Resource utilization: " + usePercent + "%");
break;
case 3:// TYPE_NETWORK : network
break;
case 4://TYPE_RAM_DISK : flash memory
break;
case 5://TYPE_CDROM: CD-ROM
break;
case 6:// TYPE_SWAP : page swap
break;
}
System.out.println(fs.getDevName() + "读出： " + usage.getDiskReads());
System.out.println(fs.getDevName() + "写入： " + usage.getDiskWrites());
}
return;
}
private static void net() throws Exception {
Sigar cigar = new Sigar();
String ifNames[] = sigar.getNetInterfaceList();
for (int i = 0; i < ifNames.length; i++) {
String name = ifNames[i];
NetInterfaceConfig ifconfig = sigar.getNetInterfaceConfig (name);
System.out.println("Network device name: " + name);// Network device name
System.out.println("IP address: " + ifconfig.getAddress());// IP address
System.out.println("Subnet mask: " + ifconfig.getNetmask());//Subnet mask
if ((ifconfig.getFlags() & 1L) <= 0L) {
System.out.println("!IFF_UP...skipping getNetInterfaceStat");
continue;
}
NetInterfaceStat ifstat = sigar.getNetInterfaceStat (name);
System.out.println(name + "Total number of packages received:" + ifstat.getRxPackets());// Total number of packages received
System.out.println(name + "Total number of packages sent:" + ifstat.getTxPackets());// Total number of packages sent
System.out.println(name + "Total bytes received:" + ifstat.getRxBytes());// Total bytes received
System.out.println(name + "Total bytes sent:" + ifstat.getTxBytes());// Total bytes sent
System.out.println(name + "Number of error packets received:" + ifstat.getRxErrors());//Number of error packets received
System.out.println(name + "Number of errors when sending packets:" + ifstat.getTxErrors());//Number of errors when sending packets
System.out.println(name + "Number of packets dropped when receiving:" + ifstat.getRxDropped());//Number of packets dropped when receiving
System.out.println(name + "Number of packets dropped when sending:" + ifstat.getTxDropped());//Number of packets dropped when sending
}
}
private static void ethernet() throws SigarException {
Sigar sigar = null;
cigar = new Sigar();
String[] ifaces = sigar.getNetInterfaceList();
for (int i = 0; i < ifaces.length; i++) {
NetInterfaceConfig cfg = sigar.getNetInterfaceConfig (ifaces [i]);
if (NetFlags.LOOPBACK_ADDRESS.equals(cfg.getAddress()) || (cfg.getFlags() & NetFlags.IFF_LOOPBACK) != 0
|| NetFlags.NULL_HWADDR.equals(cfg.getHwaddr())) {
continue;
}
System.out.println(cfg.getName() + "IP address:" + cfg.getAddress());// IP address
System.out.println(cfg.getName() + "Gateway broadcast address:" + cfg.getBroadcast());// Gateway broadcast address
System.out.println(cfg.getName() + "NIC MAC address:" + cfg.getHwaddr());// NIC MAC address
System.out.println(cfg.getName() + "Subnet mask:" + cfg.getNetmask());//Subnet mask
System.out.println(cfg.getName() + "Network card description information:" + cfg.getDescription());// Network card description information
System.out.println(cfg.getName() + "NIC type" + cfg.getType());//
}
}
}