Re: [pox-dev] Fetch switch statistics

2015-05-10 Thread Peter Peresini
Fetching aggregate statistics would be better. I believe your problem of negative count happens when some flows expire and thus are removed from the table. Other option would be to remember both old and new flow stats and count only ones which did not expire inbetween Peter (sent from android devi

[pox-dev] Fetch switch statistics

2015-05-10 Thread 博威张
Hi, I'm trying to fetch some statistics such as bytes_count of a certain switch. I use *ofp_flow_stats_request()* to send the request and handle it this way: for f in event.stats : bytes += f.byte_count In order to get the byte_count of a certain interval, I send it periodically and use *current