RE: limit number of process in top with non-interactive mode

From: McDougall, Marshall (FSH) (MarMcDouga_at_gov.mb.ca)
Date: 09/09/05

  • Next message: Ed Wilts: "Re: multipath support status" 
    Date: Fri, 9 Sep 2005 08:23:33 -0500
To: <mnikhil.juno@gmail.com>, "General Red Hat Linux discussion list" <redhat-list@redhat.com>

    -----Original Message-----
    From: redhat-list-bounces@redhat.com
    [mailto:redhat-list-bounces@redhat.com] On Behalf Of mnikhil m
    Sent: Friday, September 09, 2005 5:14 AM
    To: General Red Hat Linux discussion list
    Subject: limit number of process in top with non-interactive mode

    Top command in Linux is allowing to control the number of processes only
    in
    the
    interactive mode. I want to control the number of processes in
    non-interactive batch
    mode. Is there any other version of top available ? Or is there a way to
    do
    so with
    the current version itself?

    Note: Manual page for top is inappropriate with the command.
    For example, "top 10" reports an improper use of command though it is
    valid
    according to the man page.
     [Actually this is asked by one of my colleague, asking here as I am out
    of
    answer]
     Regards,
    Nikhil 

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If you are looking to do it non-interactively, just add a couple more
lines to your batch job to get the desired outcome.  I am not the best
scripter, but something like:
Top -b -n 1 > /tmp/top.txt
Head -n 22 /tmp/top.txt > /tmp/top2.txt
This gives me all the top header info and the first 10 processes.  I
know it's not pretty, but you get the idea.
Regards, Marshall
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