top.sh

#!/bin/bash

#
# use
# watch ./top.sh
#

OUT="/tmp/topdata"

echo "---- cpu ----" >> $OUT
mpstat -P ALL|awk 'NR > 3 {print "CPU("$2"):  \t"$3"% usr,\t"$4"% nice,\t"$5"% sys,\t"$6"% iowait"}' > $OUT 

echo "---- memory ----" >> $OUT
free -m|awk '{print $1"\t"$2"MB total,\t"$3"MB used, \t"$4"MB free" }'|grep -e "Mem" -e "Swap" >> $OUT

echo "---- disk I/O ----" >> $OUT
iostat -k|awk 'NR > 5 && $1 != "" {print $_}' >> $OUT

echo "---- network ----" >> $OUT
netstat -i |awk 'NR > 1 {print $_}' >> $OUT

echo "---- process ----" >> $OUT
echo "USER       PID %CPU %MEM    VSZ   RSS TTY      STAT START   TIME COMMAND" >> $OUT
ps aux|sort -n -k 3 -r|head -5 >> $OUT
cat $OUT