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How to analyse a top -c command

Discussion in 'Workarounds and Optimization' started by a24uall, Oct 10, 2010.

  1. a24uall

    a24uall Active Member

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    Haii all...
    Anyone knows how to analyse a top -c command ?


    ====================================
    top - 23:14:29 up 2:47, 7 users, load average: 0.71, 0.46, 0.39

    Tasks: 170 total, 1 running, 168 sleeping, 0 stopped, 1 zombie

    Cpu(s): 16.6%us, 0.9%sy, 0.0%ni, 82.3%id, 0.0%wa, 0.2%hi, 0.0%si, 0.0%st --> PLZ explain this line

    Mem: 2065884k total, 1782480k used, 283404k free, 92316k buffers
    Swap: 4096564k total, 0k used, 4096564k free, 813436k cached
    ======================================

    Can anyone help me to understand wt this line mean ?? us sy ni id wa etc...
    Cpu(s): 16.6%us, 0.9%sy, 0.0%ni, 82.3%id, 0.0%wa, 0.2%hi, 0.0%si, 0.0%st
     
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  2. cPanelTristan

    cPanelTristan Quality Assurance Analyst
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    Hello Arun,

    From my understanding, these are the following:

    us = user CPU time
    sy = system/kernel CPU time
    ni = nice processs CPU time
    id = idle CPU time
    wa = I/O wait CPU time
    hi = hardware interrupts
    si = software interrupts
    st = steal time (time in involuntary wait by the virtual CPU while servicing another processor)

    Thanks.
     
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