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@joemiller /netpps.sh
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shell: quick linux scripts for showing network bandwidth or packets-per-second
#!/bin/bash
if [ -z "$1" ]; then
echo
echo usage: $0 network-interface
echo
echo e.g. $0 eth0
echo
echo shows packets-per-second
exit
fi
IF=$1
while true
do
R1=`cat /sys/class/net/$1/statistics/rx_packets`
T1=`cat /sys/class/net/$1/statistics/tx_packets`
sleep 1
R2=`cat /sys/class/net/$1/statistics/rx_packets`
T2=`cat /sys/class/net/$1/statistics/tx_packets`
TXPPS=`expr $T2 - $T1`
RXPPS=`expr $R2 - $R1`
echo "tx $1: $TXPPS pkts/s rx $1: $RXPPS pkts/s"
done
#!/bin/bash
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 1
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
@joemiller
Owner

example:

# sh netspeed.sh  eth0
tx eth0: 6308 kb/s rx eth0: 98 kb/s
tx eth0: 6921 kb/s rx eth0: 109 kb/s
tx eth0: 6773 kb/s rx eth0: 109 kb/s
tx eth0: 6798 kb/s rx eth0: 109 kb/s
tx eth0: 6731 kb/s rx eth0: 105 kb/s
tx eth0: 6805 kb/s rx eth0: 106 kb/s
tx eth0: 6898 kb/s rx eth0: 109 kb/s
tx eth0: 8655 kb/s rx eth0: 134 kb/s
tx eth0: 9659 kb/s rx eth0: 153 kb/s
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