-
-
Save mhristache/e41dd3aa54cc3e90fcbf0cb020849e5c to your computer and use it in GitHub Desktop.
pps.sh for habrahabr
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
#!/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 | |
SYS_PATH="/sys" | |
MNT=`mktemp -d` | |
mount -t sysfs none $MNT 2> /dev/null | |
if [ $? -eq 0 ]; then | |
SYS_PATH="$MNT" | |
trap 'umount $MNT' EXIT | |
fi | |
while true | |
do | |
R1=`cat $SYS_PATH/class/net/$1/statistics/rx_packets` | |
T1=`cat $SYS_PATH/class/net/$1/statistics/tx_packets` | |
sleep $INTERVAL | |
R2=`cat $SYS_PATH/class/net/$1/statistics/rx_packets` | |
T2=`cat $SYS_PATH/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 |
Sign up for free
to join this conversation on GitHub.
Already have an account?
Sign in to comment