标签:bash blank int sleep one err tar handler stat
root@Dev[09:41:51]$ ll /sys/class/net/eth0/statistics total 0 -r--r--r-- 1 root root 4096 Jun 29 14:59 collisions -r--r--r-- 1 root root 4096 Jun 29 14:59 multicast -r--r--r-- 1 root root 4096 Jun 29 14:47 rx_bytes -r--r--r-- 1 root root 4096 Jun 29 14:59 rx_compressed -r--r--r-- 1 root root 4096 Jun 29 14:59 rx_crc_errors -r--r--r-- 1 root root 4096 Jun 29 14:59 rx_dropped -r--r--r-- 1 root root 4096 Jun 29 14:59 rx_errors -r--r--r-- 1 root root 4096 Jun 29 14:59 rx_fifo_errors -r--r--r-- 1 root root 4096 Jun 29 14:59 rx_frame_errors -r--r--r-- 1 root root 4096 Jun 29 14:59 rx_length_errors -r--r--r-- 1 root root 4096 Jun 29 14:59 rx_missed_errors -r--r--r-- 1 root root 4096 Jun 29 14:59 rx_nohandler -r--r--r-- 1 root root 4096 Jun 29 14:59 rx_over_errors -r--r--r-- 1 root root 4096 Jun 29 14:44 rx_packets -r--r--r-- 1 root root 4096 Jun 29 14:59 tx_aborted_errors -r--r--r-- 1 root root 4096 Jun 29 14:47 tx_bytes -r--r--r-- 1 root root 4096 Jun 29 14:59 tx_carrier_errors -r--r--r-- 1 root root 4096 Jun 29 14:59 tx_compressed -r--r--r-- 1 root root 4096 Jun 29 14:59 tx_dropped -r--r--r-- 1 root root 4096 Jun 29 14:59 tx_errors -r--r--r-- 1 root root 4096 Jun 29 14:59 tx_fifo_errors -r--r--r-- 1 root root 4096 Jun 29 14:59 tx_heartbeat_errors -r--r--r-- 1 root root 4096 Jun 29 14:44 tx_packets -r--r--r-- 1 root root 4096 Jun 29 14:59 tx_window_errors root@Dev[09:48:12]$
#!/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 while true do R1=`cat /sys/class/net/$1/statistics/rx_packets` T1=`cat /sys/class/net/$1/statistics/tx_packets` sleep $INTERVAL 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 INTERVAL="1" # update interval in seconds if [ -z "$1" ]; then echo echo usage: $0 [network-interface] echo echo e.g. $0 eth0 echo exit fi while true do R1=`cat /sys/class/net/$1/statistics/rx_bytes` T1=`cat /sys/class/net/$1/statistics/tx_bytes` sleep $INTERVAL 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
标签:bash blank int sleep one err tar handler stat
原文地址:https://www.cnblogs.com/standby/p/13212078.html