#!/usr/bin/nawk -f
#
# mps - memory ps for Solaris/SYSV
# 15 Jun 2001, asawicki@marrakech.com
#

BEGIN {
	PSCMD="/usr/bin/ps -eo vsz,user,pid,comm | sort -rn"

	printf("%7s\t%10s\t%6s\t%s\n", "SIZE", "USER", "PID", "COMMAND")

	while( PSCMD|getline ) 
	if($1 != "VSZ" && $1 != 0){
		if($1 < 1024)
			{size=$1; unit=" kb"}
		else if($1 >= 1024 && $1 < 1024*1024)
			{size=int(($1+1023)/1024); unit=" Mb"}
		else if($1 >= 1024*1024 )
			{ size=int(((($1+1023)/1024)+1023)/1024); unit="!Gb"}
		
		printf("%4d%s\t%10s\t%6d\t%s\n", size, unit, $2, $3, $4)
	}
	close(PSCMD)
}