Top des process qui consomment du CPU pour zabbix

#!/bin/bash
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# topcpu.sh
# returns names of most CPU time consuming processes
# as reported by 'top'
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# 05-07-2010 by Jerry Lenk
# Use at your own risk!
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# set limit to 1st argument, or 2% if not specified
lim=$1
test -z $lim && lim=2

# run 2 iterations of top in batch mode with 1 s delay
top -b -d1 -n2 |\
gawk --assign lim=$lim  'BEGIN { reply=""}
        END { print reply, "." }
        # if reply is empty, at least a period is returned

        # in 2nd iteration, first 3 lines
        # add columns 9 (%cpu) and 12 (process name)
        # to reply string, if cpu at least lim%
        itr == 2 && NR <= 3 && $9 >= lim { reply=reply; printf(" %s% ",$9);  system("ps  --no-headers -o args -p " $1)   }

        # count iterations by header lines beginning with "PID"
        # reset linenumber
        $1 == "PID" { NR=0 ; itr +=1 }
       '
# Only 2nd iteration of top is of interest because
# load values are calculated since previous iteration