标签:ar sp on c r bs as class ca
#!/bin/bash INTERVAL="1" # update interval in seconds if [ -z "$1" ]; then echo echo usage: $0 [network-interface] echo echo e.g. $0 eth0 echo exit fi IF=$1 while true do R1=`cat /sys/class/net/$1/statistics/rx_bytes` T1=`cat /sys/class/net/$1/statistics/tx_bytes` sleep $INTERVAL R2=`cat /sys/class/net/$1/statistics/rx_bytes` T2=`cat /sys/class/net/$1/statistics/tx_bytes` TBPS=`expr $T2 - $T1` RBPS=`expr $R2 - $R1` TKBPS=`expr $TBPS / 1024` RKBPS=`expr $RBPS / 1024` echo "TX $1: $TKBPS kB/s RX $1: $RKBPS kB/s" done
标签:ar sp on c r bs as class ca
原文地址:http://my.oschina.net/jk409/blog/318704