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解码 top 命令

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解码 top 命令

此输出来自 Debian 计算机上的 TOP 命令

Cpu(s):  0.0%us,  0.2%sy,  0.0%ni, 99.8%id,  0.0%wa,  0.0%hi,  0.0%si,  0.0%st

我想我弄清楚了这个菜单选项中的大部分值

  • us = 用户进程
  • sy = 系统进程
  • id = 空闲进程

这里其余的值是什么？

答案1

从马嘴里（man top）：

2c. CPU 状态 CPU 状态显示在摘要区域中。它们始终以百分比形式显示，并且表示从现在到上次刷新之间的时间。

    us  --  User CPU time
      The time the CPU has spent running users' processes that are not niced.

    sy  --  System CPU time
      The time the CPU has spent running the kernel and its processes.

    ni  --  Nice CPU time
      The time the CPU has spent running users' proccess that have been niced.

    wa  --  iowait
      Amount of time the CPU has been waiting for I/O to complete.

    hi  --  Hardware IRQ
      The amount of time the CPU has been servicing hardware interrupts.

    si  --  Software Interrupts
      The amount of time the CPU has been servicing software interrupts.

    st  --  Steal Time
      The amount of CPU 'stolen' from this virtual machine by the hypervisor for other tasks (such as running another virtual machine).

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