我在监控系统CPU使用率的时候,getSystemCpuLoad()返回负值
问题相关代码
import java.lang.management.ManagementFactory;
public class Demo {
public static void main(String[] args) {
OperatingSystemMXBean bean = (com.sun.management.OperatingSystemMXBean) ManagementFactory.getOperatingSystemMXBean();
System.out.println(bean.getProcessCpuLoad());
System.out.println(bean.getSystemCpuLoad());
}
}