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pps.sh for habrahabr
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#!/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 | |
echo shows packets-per-second | |
exit | |
fi | |
IF=$1 | |
while true | |
do | |
R1="$(<cat /sys/class/net/$IF/statistics/rx_packets)" | |
T1="$(<cat /sys/class/net/$IF/statistics/tx_packets)" | |
sleep $INTERVAL | |
R2="$(<cat /sys/class/net/$IF/statistics/rx_packets)" | |
T2="$(<cat /sys/class/net/$IF/statistics/tx_packets)" | |
TXPPS="$(expr $T2 - $T1)" | |
RXPPS="$(expr $R2 - $R1)" | |
echo "TX $IF: $TXPPS pkts/s RX $IF: $RXPPS pkts/s" | |
done |
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