com.anysoft.util.SystemStatus Maven / Gradle / Ivy
package com.anysoft.util;
/**
* 系统状态
* @author duanyy
*
*/
public class SystemStatus {
/**
* 已申请到的内存中还剩余的内存
*/
private long m_free_mem;
/**
* 系统限定JVM所能用的最大内存，可通过-Xmx参数设置
*/
private long m_max_mem;
/**
* JVM当前从OS申请到的内存，最大为maxMemory，可通过-Xms参数设置初始值
*/
private long m_total_mem;
/**
* 处理器个数
*/
private int m_processors;
/**
* JVM所有线程个数
*/
private int m_threadCount;
/**
* 获取freeMemory
* @return freeMemory大小
*/
public long getFreeMem(){return m_free_mem;}
/**
* 获取maxMemory
* @return maxMemory大小
*/
public long getMaxMem(){return m_max_mem;}
/**
* 获取totalMemory
* @return totalMemory大小
*/
public long getTotalMem(){return m_total_mem;}
/**
* 获取处理器个数
* @return 处理器个数
*/
public long getProcessorCount(){return m_processors;}
/**
* 获取线程数
* @return 线程数
*/
public long getThreadCount(){return m_threadCount;}
public SystemStatus(){
Runtime runtime = Runtime.getRuntime();
m_free_mem = runtime.freeMemory();
m_max_mem = runtime.maxMemory();
m_total_mem = runtime.totalMemory();
m_processors = runtime.availableProcessors();
m_threadCount = Thread.activeCount();
}
}