Manipulating the follwoing code should work for you, or at least get you started. 
use strict;
use warnings;
my @PS_CMD=`ps -e`;
my @badpid;
my $count=0;

$|++; 

for $_ (@PS_CMD)
{
   chomp;

   ## get rid of trash ##
   next if /<defunct>/;
   s/^\s+//g;
   s/\s/,/g;
   s/,$//g;
   s/^,//g;
   s/(,)+/,/g;
   s/\s//g;
   next unless /^\d+/;
   ## End of trash collection ##

   my ($pid, $tty, $time, $cmd)
     = split(/,/, $_);
   my ($min, $sec)
     = split(/:/, $time);
   # change the $min > ## to change the
   # threshold at which we will be warned
   # change $cmd eq "<COMMAND>" to change
   # the command we "grep" for. Check the
   # output of `ps -e` for an example.
   if ( $cmd eq "YOUR_COMMAND" and $min > 200 )
   {
     $count++;
     push (@badpid, $pid);
   }
}
my $pids=join(', ', @badpid);

if ( $count > 0 ) { send_mail($pids) }

[download]

I left off the send_mail sub...

Ted
--
"That which we persist in doing becomes easier, not that the task itself has become easier, but that our ability to perform it has improved."
  --Ralph Waldo Emerson

In reply to Re: Getting Process ID from process name by tcf03
in thread Getting Process ID from process name by icg

Title:
Use:  <p> text here (a paragraph) </p>
and:  <code> code here </code>
to format your post, it's "PerlMonks-approved HTML":


  • Posts are HTML formatted. Put <p> </p> tags around your paragraphs. Put <code> </code> tags around your code and data!
  • Titles consisting of a single word are discouraged, and in most cases are disallowed outright.
  • Read Where should I post X? if you're not absolutely sure you're posting in the right place.
  • Please read these before you post! —
  • Posts may use any of the Perl Monks Approved HTML tags:
    a, abbr, b, big, blockquote, br, caption, center, col, colgroup, dd, del, details, div, dl, dt, em, font, h1, h2, h3, h4, h5, h6, hr, i, ins, li, ol, p, pre, readmore, small, span, spoiler, strike, strong, sub, summary, sup, table, tbody, td, tfoot, th, thead, tr, tt, u, ul, wbr
  • You may need to use entities for some characters, as follows. (Exception: Within code tags, you can put the characters literally.)
            For:     Use:
    & &amp;
    < &lt;
    > &gt;
    [ &#91;
    ] &#93;
  • Link using PerlMonks shortcuts! What shortcuts can I use for linking?
  • See Writeup Formatting Tips and other pages linked from there for more info.