On Tue, 08 May 2018 00:29:54 +0900,
Jade Manapee wrote:
>
> Hi everyone,
>
> I wrote some code for monitoring traffic. I created a link which has
> 10 Mbps I tried to send traffic 5 Mbps with iperf and i expect it will
> give me something like 600000 bytes/sec. it did actually but sometimes
> it gives me 1000000 bytes/sec.
>
> Here's my code
>
> def _port_stats_reply_handler(self, ev):
> body = ev.msg.body
>
> for stat in sorted(body, key=attrgetter('port_no')):
> if stat.port_no != ofproto_v1_3.OFPP_LOCAL:
> key = (ev.msg.datapath.id, stat.port_no)
> value = (stat.tx_bytes, stat.rx_bytes, stat.rx_errors,
> stat.duration_sec, stat.duration_nsec)
> self._save_stats(self.port_stats, key, value, 5)
>
> load = stat.tx_bytes
> self._save_stats(self.AllLoad, key, load, 1)
> if len(self.AllLoad[key]) == 1:
> cur_load = load - 0
> else:
> cur_load = load -self.AllLoad[key][-2]
> self._save_stats(self.CurLoad, key, cur_load, 1)
> #print ("load-", load ,"allload-",self.AllLoad[key][-2])
> #print "Request time:", time.time() - self.request_start
> print self.port2curload
> if ev.msg.datapath.id==0x1 and stat.port_no==0x2:
> load = stat.tx_bytes
> self.port2curload.append(load-self.port2allload[-1])
> self.port2allload.append(load)
>
> the output I want is port2curload. your help would be highly appreciated.
> Thanks
Code indents are broken and it is difficult to judge from this small
fraction of code, but:
1. have you taken header bytes in account ?
2. how was tx_packets?
3. didn't you record duration_sec, duration_nsec?
--
IWAMOTO Toshihiro
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