92 lines
3.6 KiB
Java
92 lines
3.6 KiB
Java
|
package com.genersoft.iot.vmp.utils;
|
|||
|
|
|
|||
|
|
import oshi.SystemInfo;
|
|||
|
|
import oshi.hardware.CentralProcessor;
|
|||
|
|
import oshi.hardware.GlobalMemory;
|
|||
|
|
import oshi.hardware.HardwareAbstractionLayer;
|
|||
|
|
import oshi.hardware.NetworkIF;
|
|||
|
|
import oshi.software.os.OperatingSystem;
|
|||
|
|
import oshi.util.FormatUtil;
|
|||
|
|
|
|||
|
|
import java.util.HashMap;
|
|||
|
|
import java.util.List;
|
|||
|
|
import java.util.Map;
|
|||
|
|
import java.util.concurrent.TimeUnit;
|
|||
|
|
|
|||
|
|
/**
|
|||
|
|
* 实现参考自xiaozhangnomoney原创文章，
|
|||
|
|
* 版权声明：本文为xiaozhangnomoney原创文章，遵循 CC 4.0 BY-SA 版权协议，转载请附上原文出处链接和本声明
|
|||
|
|
* 原文出处链接：https://blog.csdn.net/xiaozhangnomoney/article/details/107769147
|
|||
|
|
*/
|
|||
|
|
public class SystemInfoUtils {
|
|||
|
|
|
|||
|
|
/**
|
|||
|
|
* 获取cpu信息
|
|||
|
|
* @return
|
|||
|
|
* @throws InterruptedException
|
|||
|
|
*/
|
|||
|
|
public static double getCpuInfo() throws InterruptedException {
|
|||
|
|
SystemInfo systemInfo = new SystemInfo();
|
|||
|
|
CentralProcessor processor = systemInfo.getHardware().getProcessor();
|
|||
|
|
long[] prevTicks = processor.getSystemCpuLoadTicks();
|
|||
|
|
// 睡眠1s
|
|||
|
|
TimeUnit.SECONDS.sleep(1);
|
|||
|
|
long[] ticks = processor.getSystemCpuLoadTicks();
|
|||
|
|
long nice = ticks[CentralProcessor.TickType.NICE.getIndex()] - prevTicks[CentralProcessor.TickType.NICE.getIndex()];
|
|||
|
|
long irq = ticks[CentralProcessor.TickType.IRQ.getIndex()] - prevTicks[CentralProcessor.TickType.IRQ.getIndex()];
|
|||
|
|
long softirq = ticks[CentralProcessor.TickType.SOFTIRQ.getIndex()] - prevTicks[CentralProcessor.TickType.SOFTIRQ.getIndex()];
|
|||
|
|
long steal = ticks[CentralProcessor.TickType.STEAL.getIndex()] - prevTicks[CentralProcessor.TickType.STEAL.getIndex()];
|
|||
|
|
long cSys = ticks[CentralProcessor.TickType.SYSTEM.getIndex()] - prevTicks[CentralProcessor.TickType.SYSTEM.getIndex()];
|
|||
|
|
long user = ticks[CentralProcessor.TickType.USER.getIndex()] - prevTicks[CentralProcessor.TickType.USER.getIndex()];
|
|||
|
|
long iowait = ticks[CentralProcessor.TickType.IOWAIT.getIndex()] - prevTicks[CentralProcessor.TickType.IOWAIT.getIndex()];
|
|||
|
|
long idle = ticks[CentralProcessor.TickType.IDLE.getIndex()] - prevTicks[CentralProcessor.TickType.IDLE.getIndex()];
|
|||
|
|
long totalCpu = user + nice + cSys + idle + iowait + irq + softirq + steal;
|
|||
|
|
return 1.0-(idle * 1.0 / totalCpu);
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
/**
|
|||
|
|
* 获取内存使用率
|
|||
|
|
* @return
|
|||
|
|
*/
|
|||
|
|
public static double getMemInfo(){
|
|||
|
|
SystemInfo systemInfo = new SystemInfo();
|
|||
|
|
GlobalMemory memory = systemInfo.getHardware().getMemory();
|
|||
|
|
//总内存
|
|||
|
|
long totalByte = memory.getTotal();
|
|||
|
|
//剩余
|
|||
|
|
long acaliableByte = memory.getAvailable();
|
|||
|
|
return (totalByte-acaliableByte)*1.0/totalByte;
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
/**
|
|||
|
|
* 获取网络上传和下载
|
|||
|
|
* @return
|
|||
|
|
*/
|
|||
|
|
public static Map<String,String> getNetworkInterfaces() {
|
|||
|
|
SystemInfo si = new SystemInfo();
|
|||
|
|
HardwareAbstractionLayer hal = si.getHardware();
|
|||
|
|
List<NetworkIF> networkIFs = hal.getNetworkIFs();
|
|||
|
|
int i= networkIFs.size() -1;
|
|||
|
|
NetworkIF net= networkIFs.get(i);
|
|||
|
|
|
|||
|
|
String in = FormatUtil.formatBytes(net.getBytesRecv());
|
|||
|
|
String out = FormatUtil.formatBytes(net.getBytesSent());
|
|||
|
|
HashMap<String, String> map = new HashMap<>();
|
|||
|
|
map.put("in",in);
|
|||
|
|
map.put("out",out);
|
|||
|
|
return map;
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
/**
|
|||
|
|
* 获取进程数
|
|||
|
|
* @return
|
|||
|
|
*/
|
|||
|
|
public static int getProcessesCount(){
|
|||
|
|
SystemInfo si = new SystemInfo();
|
|||
|
|
OperatingSystem os = si.getOperatingSystem();
|
|||
|
|
|
|||
|
|
int processCount = os.getProcessCount();
|
|||
|
|
return processCount;
|
|||
|
|
}
|
|||
|
|
}
|