#!/bin/sh #
data_file=/proc/net/dev meminfo=/proc/meminfo if_dev1=eth1 if_dev2=eth2 if_ipaddr1=`ifconfig $if_dev1 | grep "inet addr" | cut -d: -f2 | awk '{print $1}'` if_ipaddr2=`ifconfig $if_dev1 | grep "inet addr" | cut -d: -f2 | awk '{print $1}'` interval=$1
# check to system resources cpu_each=`grep 'processor' /proc/cpuinfo | wc -l`
mem_total=`grep "MemTotal" $meminfo | cut -d: -f2 | awk '{print $1}'` mem_t=$(echo "scale=0;$mem_total/1000" | bc) mem_dt="$mem_t MB" mem_free=`grep "MemFree" $meminfo | cut -d: -f2 | awk '{print $1}'` mem_usage=$(echo "scale=1;$mem_total-$mem_free" | bc) mem_u=$(echo "scale=0;$mem_usage/1000" | bc) mem_du="$mem_u MB"
swap_total=`grep "SwapTotal" $meminfo | cut -d: -f2 | awk '{print $1}'` swap_free=`grep "SwapFree" $meminfo | cut -d: -f2 | awk '{print $1}'` swap_usage=$(echo "scale=1;$swap_total-$swap_free" | bc) swap_u=$(echo "scale=0;$swap_usage/1000" | bc) swap_du="$swap_u MB" swap_t=$(echo "scale=0;$swap_total/1000" | bc) swap_dt="$swap_t MB"
if [ ! "$1" ]; then interval=1 fi
while : do clear
# Received bps_r_1=`grep $if_dev1 $data_file | cut -d: -f2 | awk '{print $1}'` pkt_r_1=`grep $if_dev1 $data_file | cut -d: -f2 | awk '{print $2}'`
# Trans bps_t_1=`grep $if_dev1 $data_file | cut -d: -f2 | awk '{print $9}'` pkt_t_1=`grep $if_dev1 $data_file | cut -d: -f2 | awk '{print $10}'`
sleep $interval
# Received bps_r_2=`grep $if_dev1 $data_file | cut -d: -f2 | awk '{print $1}'` pkt_r_2=`grep $if_dev1 $data_file | cut -d: -f2| awk '{print $2}'`
# Trans bps_t_2=`grep $if_dev1 $data_file | cut -d: -f2 | awk '{print $9}'` pkt_t_2=`grep $if_dev1 $data_file | cut -d: -f2 | awk '{print $10}'`
bps_r_3=$(echo "scale=3; $bps_r_2-$bps_r_1" | bc) bps_t_3=$(echo "scale=3; $bps_t_2-$bps_t_1" | bc) pkt_r_3=$(echo "scale=3; $pkt_r_2-$pkt_r_1" | bc) pkt_t_3=$(echo "scale=3; $pkt_t_2-$pkt_t_1" | bc)
# BPS if [ $bps_r_3 -lt "1000" ]; then bps_r_4=$(echo $bps_r_3)
# Kbps elif [ $bps_r_3 -gt "1000" -o $bps_r_3 -lt "1000000" ]; then bps_r_4=$(echo "scale=3; $bps_r_3 / 1000" | bc)
# Mbsp elif [ $bps_r_3 -gt "1000000" -o $bps_r_3 -lt "1000000000" ]; then bps_r_4=$(echo "scale=3; $bps_r_3 / 1000000" | bc) else
# Gbsp bps_r_4=$(echo "scale=3; $bps_r_3 / 1000000000" | bc) fi
# bps if [ $bps_t_3 -lt "1000" ]; then bps_t_4=$(echo $bps_t_3)
# kbps elif [ $bps_t_3 -gt "1000" -o $bps_t_3 -lt "1000000" ]; then bps_t_4=$(echo "scale=3; $bps_t_3 / 1000" | bc)
# mbsp elif [ $bps_t_3 -gt "1000000" -o $bps_t_3 -lt "1000000000" ]; then bps_t_4=$(echo "scale=3; $bps_t_3 / 1000000" | bc) else
# gbsp bps_t_4=$(echo "scale=3; $bps_t_3 / 1000000000" | bc) fi
echo IP Addr : $if_ipaddr1 echo Mem Usage : $mem_du / $mem_dt , Swap Usage : $swap_du / $swap_dt echo RX bps : $bps_r_4 bps , RX pps : $pkt_r_3 pps echo TX bps : $bps_t_4 bps , TX pps : $pkt_t_3 pps
sleep 1 done |