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Network Throughput Bandwidth Rate Consumption Linux Command
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#!/bin/bash | |
## =-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-= | |
## -=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=- USAGE -=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=- | |
## | |
## ./network-rate.sh eth0 | |
## | |
## =-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-= | |
tx_bytes=0 | |
rx_bytes=0 | |
tx_bps=0 | |
rx_bps=0 | |
# update dev delay | |
update() | |
{ | |
delay=$2 | |
cat /proc/net/dev | grep $1 >/tmp/netdev_rate | |
#ts=`date +%s` | |
read dev rb rp re rd ri rf rc rm tb tp te td ti tc ta tc </tmp/netdev_rate | |
#echo $dev $rb $tb | |
if [ $tx_bytes -gt 0 ] ; then | |
tx_b=$(($tb - $tx_bytes)) | |
tx_bps=$(($tx_b / $delay)) | |
tx_kBps=$(($tx_bps / 1024)) | |
tx_kbps=$(($tx_kBps * 8)) | |
tx_mBps=$(($tx_bps / 1048576)) | |
tx_mbps=$(($tx_mBps * 8)) | |
rx_b=$(($rb - $rx_bytes)) | |
rx_bps=$(($rx_b / $delay)) | |
rx_kBps=$(($rx_bps / 1024)) | |
rx_kbps=$(($rx_kBps * 8)) | |
rx_mBps=$(($rx_bps / 1048576)) | |
rx_mbps=$(($rx_mBps * 8)) | |
fi | |
tx_bytes=$tb | |
rx_bytes=$rb | |
} | |
update $1 1 | |
while true | |
do | |
sleep 1 | |
update $1 1 | |
echo "tx $tx_bytes rx $rx_bytes tx KBit/s $tx_kbps rx KBit/s $rx_kbps" | |
done |
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