python小脚本，linux下实时查看网卡流量与pps

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可自定义刷新频率，最低为1秒，运行结束后进行结果汇总

#! /usr/bin/env python
#-*-coding:utf-8-*-
from __future__ import division
from ast import Raise
from operator import invert
import time,sys,os
import signal
class Traffic:
    def __init__(self,name,interval):
        signal.signal(signal.SIGINT, self.signal_handler)
        self.bps_in_max = 0
        self.bps_out_max = 0
        self.bps_in_min = 999999999999
        self.bps_out_min = 999999999999
        self.bps_in_sum = 0
        self.bps_out_sum = 0
        self.pps_in_max = 0
        self.pps_out_max = 0
        self.pps_in_min = 999999999999
        self.pps_out_min = 999999999999
        self.pps_in_sum = 0
        self.pps_out_sum = 0
        self.count = 0
        self.name = name
        self.interval = int(interval)
        self.rxpath = '/sys/class/net/' + name + '/statistics/rx_bytes'
        self.txpath = '/sys/class/net/' + name + '/statistics/tx_bytes'
        self.ppsrxpath = '/sys/class/net/' + name + '/statistics/rx_packets'
        self.ppstxpath = '/sys/class/net/' + name + '/statistics/tx_packets'
        self.starttime = time.strftime('%Y-%m-%d %H:%M:%S')
    def init_ret(self):
        with open(self.rxpath,'r') as t:
            bpsrx = int(t.read().strip())
        with open(self.txpath,'r') as t:
            bpstx = int(t.read().strip())
        with open(self.ppsrxpath,'r') as t:
            ppsrx = int(t.read().strip())
        with open(self.ppstxpath,'r') as t:
            ppstx = int(t.read().strip())
        return bpsrx,bpstx,ppsrx,ppstx
    def run(self):
        init_rx,init_tx,initpps_rx,initpps_tx = self.init_ret()
        time.sleep(self.interval)
        while True:
            with open(self.rxpath,'r') as t:
                rx = int(t.read().strip())
            with open(self.txpath,'r') as t:
                tx = int(t.read().strip())
            with open(self.ppsrxpath,'r') as t:
                ppsrx = int(t.read().strip())
            with open(self.ppstxpath,'r') as t:
                ppstx = int(t.read().strip())
            rx_ret=round((rx-init_rx)*8/1024/1024,2)
            tx_ret=round((tx-init_tx)*8/1024/1024,2)
            ppsrx_ret = ppsrx-initpps_rx
            ppstx_ret = ppstx-initpps_tx
            self.bps_in_max = max(rx_ret,self.bps_in_max)
            self.bps_out_max = max(tx_ret,self.bps_out_max)
            self.bps_in_min = min(rx_ret,self.bps_in_min)
            self.bps_out_min = min(tx_ret,self.bps_out_min)
            self.bps_in_sum += rx_ret
            self.bps_out_sum += tx_ret
            self.pps_in_max = max(ppsrx_ret,self.pps_in_max)
            self.pps_out_max = max(ppstx_ret,self.pps_out_max)
            self.pps_in_min = min(ppsrx_ret,self.pps_in_min)
            self.pps_out_min = min(ppstx_ret,self.pps_out_min)
            self.pps_in_sum += ppsrx_ret
            self.pps_out_sum += ppstx_ret
            self.count+=1
            bps_in_show = 'incoming: %sMbps'%rx_ret
            bps_out_show = 'outgoing: %sMbps'%tx_ret
            pps_in_show = 'incoming: %spps'%ppsrx_ret
            pps_out_show = 'outgoing: %spps'%ppstx_ret
            os.system('clear -x')
            print('-----------'+self.name+' '+str(self.interval)+' second interval bps monitoring'+'-----------')
            print(bps_in_show)
            print(bps_out_show)
            print('-----------'+self.name+' '+str(self.interval)+' second interval pps monitoring'+'-----------')
            print(pps_in_show)
            print(pps_out_show)
            time.sleep(self.interval)
            init_rx,init_tx,initpps_rx,initpps_tx=rx,tx,ppsrx,ppstx
    def signal_handler(self,*args, **kwargs):
        try:
            if self.count!=0:
                os.system('reset')
                print('---------------------------%s至%s----------------------------'%(self.starttime,time.strftime('%Y-%m-%d %H:%M:%S')))
                print('------------%s bps------------'%self.name)
                print('               min          max          avg')
                print('incoming    %sM        %sM        %sM'%(self.bps_in_min,self.bps_in_max,round(self.bps_in_sum/self.count,2)))
                print('outgoing    %sM        %sM        %sM'%(self.bps_out_min,self.bps_out_max,round(self.bps_out_sum/self.count,2)))
                print('------------%s pps------------'%self.name)
                print('               min          max          avg')
                print('incoming    %spps        %spps        %spps'%(self.pps_in_min,self.pps_in_max,round(self.pps_in_sum/self.count,2)))
                print('outgoing    %spps        %spps        %spps'%(self.pps_out_min,self.pps_out_max,round(self.pps_out_sum/self.count,2)))
        except:
            os._exit(0)
        os._exit(0)
if __name__ == '__main__':
    try:
        name = sys.argv[1]
        interval = int(sys.argv[2])
        if interval < 1:
            raise ValueError('interval must gt 1')
        obj = Traffic(name,interval)
        obj.run()
    except Exception as e:
        print(e)
        print('argv:')
        print('NetworkName,interval')
        print('example:')
        print(' ./networkpps  eth0 1')

 

 

 

 

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