Hello! Could you show top header and htop output?
On Fri, Nov 7, 2014 at 12:48 AM, Behrooz Shafiee <[email protected]> wrote: > Hi everyone, > > I have implemented a small transmission protocol over pfring. I rely on the > Ethernet flow control meaning that I assume that in the same subnet I won't > loose any packet (I've no router so no queueing...). Everything was fine > until I did some stress test as follows. > I have a rcvThread which block on pfring_recv() function for each one > incoming packet and process it. I start a huge number of other threads(e.g > 5000) and each of them send a req to server through pfring_send (resp is one > packet). And then server replies with 5000 packet. most of the time i > receive the 5000 packets but sometimes I miss some of them. For example I > reach the line after pfring_recv() 4503 times. I thought this is due to > overflow in the NIC but I use intel pro which has both rx/tx flow pause > frame on and I actually used a packet dump tool (such as wireshark) and I > see the packets are being received by the NIC. So I assume they get lost > somewhere a long the line from NIC to pfring_recv() function. Can anyone > help me what might have gone wrong? > > PS. I use pfring in normal mode not DNA > > > Thanks, > -- > Behrooz > > _______________________________________________ > Ntop-misc mailing list > [email protected] > http://listgateway.unipi.it/mailman/listinfo/ntop-misc -- Sincerely yours, Pavel Odintsov _______________________________________________ Ntop-misc mailing list [email protected] http://listgateway.unipi.it/mailman/listinfo/ntop-misc
