Re: AIX 5.2 debug software recomondataion

From: Steve Dryden (dryden.dcsi_at_mindspring.com)
Date: 04/30/03 

Date: 30 Apr 2003 08:02:20 -0700

Nicholas Dronen <ndronen@io.frii.com> wrote in message news:<3eaf27e7$0$53001$75868355@news.frii.net>...
> Steve Dryden <dryden.dcsi@mindspring.com> wrote:
> SD> Can anyone recommend a performance monitoring software tool for
> SD> AIX5.2? We have a process looping consuming the CPU(100%) and the
> SD> only resolution our SYS Admin&#8217;s have is to push the On/Off
> SD> button. We need to know what is looping and shutting the machine down
> SD> does not collect enough data to resolve the problem.
> SD> Suggestions.
>
> You don't need anything beyond ps(1) to get enough data to know
> *which* process is using the most processor time.
>
> The process with the highest value in the C column is the one using
> the processor most agressively at the moment in the output of this
> command pipeline.
>
> $ ps -ef | head -1; ps -ef | sed 1d | sort +4 -nr | head -10
>
> There are tools, like truss, that'll help you see what the process
> is doing, but I don't think that information would be useful to you.
>
> Other tools -- like nmon, which you can find in a Google search for
> 'nmon AIX' -- provide lots of information, but I think what's called
> for here is simplicity and clarity, not a tool that seems useful
> because it provides a lot of fancy data.
>
> Regards,
>
> Nicholas

Will we be able to issue this from the console? If so, will it run at
the consoles priority? Otherwise we cannot get into the system.

Steve

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