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From: Paul Hartman <paul.hartman+gentoo@gmail.com>
Date: Fri, 2 Mar 2012 14:50:30 -0600
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Subject: Re: [gentoo-user] Filter grep output of 'ps aux'
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On Fri, Mar 2, 2012 at 2:39 PM, Tanstaafl <tanstaafl@libertytrek.org> wrote:
> On 2012-03-02 2:33 PM, Paul Hartman <paul.hartman+gentoo@gmail.com> wrote:
>>
>> And you can use the --sort options for ps to sort by cpu or anything
>> you like (see the manpage)
>
>
> Even better, thanks Paul...
>
> watch -n1 "ps aux --sort=-%cpu | gawk '{ if ( \$3 > 1.0 ) { print } }'"
>
> does exactly what I want...
>
> Hmmm... is there an easy way to include the column headers?

To build on Grant's suggestion:
ps aux --sort %cpu | gawk 'NR==1; $3 > 0'