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  • vmstat详解

    Procs
           r: The number of processes waiting for run time.
    等待CPU的进程数
           b: The number of processes in uninterruptible sleep.
    不可中断睡眠的进程数

       Memory
           swpd: the amount of virtual memory used.
           free: the amount of idle memory.
           buff: the amount of memory used as buffers.
           cache: the amount of memory used as cache.
           inact: the amount of inactive memory. (-a option)
           active: the amount of active memory. (-a option)

       Swap
           si: Amount of memory swapped in from disk (/s).     
    换进
           so: Amount of memory swapped to disk (/s).           
    换出               

       IO
           bi: Blocks received from a block device (blocks/s).  
    每秒读盘块数
           bo: Blocks sent to a block device (blocks/s).        
    每秒写盘块数

       System
           in: The number of interrupts per second, including the clock. 
    每秒中断数
           cs: The number of context switches per second.                 
    每秒上下文切换数

       CPU
           These are percentages of total CPU time.
           us: Time spent running non-kernel code. (user time, including nice time)
           sy: Time spent running kernel code. (system time)
           id: Time spent idle. Prior to Linux 2.5.41, this includes IO-wait time.
           wa: Time spent waiting for IO. Prior to Linux 2.5.41, shown as zero.      CPU
    等待IO所占百分比
           st: Time spent in involuntary wait. Prior to Linux 2.6.11, shown as zero.

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  • 原文地址:https://www.cnblogs.com/qqjue/p/2606937.html
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