Centos系统下的带宽测试（附脚本）

cyrus_earth

Centos（带宽测试脚本-测试通过）
#!/bin/bash

# test network width

function usage

{

        echo "Usage: $0  "

        echo "    e.g. $0 eth0 2"

        exit 65

}


if [ $# -lt 2 ];then
usage
fi
typeset in in_old dif_in
typeset out out_old dif_out
typeset timer
typeset eth

eth=$1
timer=$2

in_old=$(cat /proc/net/dev | grep $eth | sed -e "s/\(.*\)\:\(.*\)/\2/g" | awk ' { print $1 }' )
out_old=$(cat /proc/net/dev | grep $eth | sed -e "s/\(.*\)\:\(.*\)/\2/g" | awk ' { print $9 }' )

while true
do
sleep ${timer}
in=$(cat /proc/net/dev | grep $eth | sed -e "s/\(.*\)\:\(.*\)/\2/g" | awk ' { print $1 }' )
out=$(cat /proc/net/dev | grep $eth | sed -e "s/\(.*\)\:\(.*\)/\2/g" | awk ' { print $9 }' )
dif_in=$(((in-in_old)/timer))
dif_out=$(((out-out_old)/timer))
echo "IN: ${dif_in} Byte/s OUT: ${dif_out} Byte/s"
in_old=${in}
out_old=${out}
done
exit 0
#./此文件 网卡端口名 刷新时间(秒)
#./netwidth eth0 2


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