Withdrew my comment after I saw you did not want to use PS (of course, you wouldn't use it in backticks if you wanted the output, you would use something like: 

open(PS,"ps|");
while (my $thisLine = <PS>){
 #do something
}

[download]
Kind of thing.

In reply to Re: Calculating percent cpu in linux? by scmason
in thread Calculating percent cpu in linux? by suaveant

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