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Linux 中国◆开源社区 标签 top+iostat+vmstat

相关手册

  • top - display Linux tasks

    top -hv | -bcHisS -d delay -n iterations -p pid [, pid ...]
    
           The traditional switches '-' and whitespace are optional.
    The  top  program  provides  a dynamic real-time view of a running
           system.  It can display system summary information as  well  as  a
           list  of  tasks  currently being managed by the Linux kernel.  The
           types of system summary information shown and the types, order and
           size  of information displayed for tasks are all user configurable
  • iostat - Report Central Processing Unit (CPU) statistics and input/output statistics for devices and partitions.

    iostat [ -c ] [ -d ] [ -h ] [ -N ] [ -k | -m ] [ -t ] [ -V ] [ -x  ]  [
           -z ] [ device [...] | ALL ] [ -p [ device [,...] | ALL ] ] [ interval [
           count ] ]
    The iostat command is used for monitoring  system  input/output  device
           loading  by  observing  the  time the devices are active in relation to
           their average transfer rates. The iostat command generates reports that
           can  be  used  to  change  system  configuration  to better balance the
           input/output load between physical disks.
  • vmstat - Report virtual memory statistics

    vmstat [-a] [-n] [delay [ count]]
           vmstat [-f] [-s] [-m]
           vmstat [-S unit]
           vmstat [-d]
           vmstat [-D]
    vmstat  reports  information about processes, memory, paging, block IO,
           traps, disks and cpu activity.
    
           The first  report  produced  gives  averages  since  the  last  reboot.
           Additional  reports  give  information  on  a sampling period of length

相关文章

  • vmstat:一个标准的报告虚拟内存统计工具

    vmstat 是一个标准的工具,它会报告 Linux 系统的虚拟内存统计。vmstat 会报告有关进程、内存、分页、块 IO、陷阱(中断)和 cpu 活动的信息。它可以帮助 Linux 管理员在解决问题时识别系统瓶颈。

    2017-01-29 09:39     Magesh Maruthamuthu, geekpi

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