Fernando you're not missing anything this time. Please patch the code and send us the diff. It looks like the clock frequency routine of pfsend is bugged in your system
Cheers Luca On Dec 15, 2011, at 1:11 PM, Fernando Mayo wrote: > Thanks for your replies. > > However, I tried to run the tool without -f with no result (still sends > packet at a much more higher rate than configured): > > root@trafficgen:/home/fmayo/PF_RING/userland/examples# ./pfsend -i dna0 -n 0 > -r 1 > Sending packets on dna0 > ################################################### > # ERROR: You do not seem to have a valid DNA license for dna0. > # ERROR: Please get one at http://shop.ntop.org/. > ################################################### > # We're now working in demo mode with packet capture > # and transmission limited to 5 minutes > ################################################### > Using PF_RING v.5.2.1 > Estimated CPU freq: 3657308000 Hz > Number of 64-byte Packet Per Second at 1.00 Gbit/s: 1488095.24 > TX rate: [current 13'219'585.56 pps/8.88 Gbps][average 13'219'585.56 pps/8.88 > Gbps][total 13'219'612.00 pkts] > TX rate: [current 13'283'603.71 pps/8.93 Gbps][average 13'251'595.69 pps/8.91 > Gbps][total 26'504'119.00 pkts] > > Is it a bug or am I still missing something? > > Thanks! > Best regards > Fernando > > > > From: [email protected] > > Subject: Ntop-misc Digest, Vol 90, Issue 13 > > To: [email protected] > > Date: Thu, 15 Dec 2011 12:10:19 +0100 > > > > Send Ntop-misc mailing list submissions to > > [email protected] > > > > To subscribe or unsubscribe via the World Wide Web, visit > > http://listgateway.unipi.it/mailman/listinfo/ntop-misc > > or, via email, send a message with subject or body 'help' to > > [email protected] > > > > You can reach the person managing the list at > > [email protected] > > > > When replying, please edit your Subject line so it is more specific > > than "Re: Contents of Ntop-misc digest..." > > > > > > Today's Topics: > > > > 1. pfsend with DNA (demo) issue (Fernando Mayo) > > 2. Re: pfsend with DNA (demo) issue (Luca Deri) > > 3. Re: pfsend with DNA (demo) issue (Alfredo Cardigliano) > > > > > > ---------------------------------------------------------------------- > > > > Message: 1 > > Date: Thu, 15 Dec 2011 12:00:43 +0100 > > From: Fernando Mayo <[email protected]> > > To: <[email protected]> > > Subject: [Ntop-misc] pfsend with DNA (demo) issue > > Message-ID: <[email protected]> > > Content-Type: text/plain; charset="iso-8859-1" > > > > > > Hi everyone, > > > > I just installed the more recent (demo) version of PF_RING DNA driver for > > ixgbe, in order to make stress tests on a new router platform. > > > > Everything is working fine, except that pfsend utility is usually not > > sending packet at the configured rate. Don't know if this is related to the > > demo version of the driver... > > > > I am trying to transmit a capture file (containing five packets) at a rate > > of 1 Gbps: on the first example shown below I am getting more than 7 Mpps > > which is much more than the rate that pfsend utility is calculating > > (1488095 pps). > > > > On the second example, the rate fits to the calculated rate using exactly > > the same parameters. > > > > Any ideas? > > > > First (unsuccessful) example: > > > > root@trafficgen:/home/fmayo/PF_RING/userland/examples# ./pfsend -i dna0 -f > > /home/fmayo/traffic_test.cap -n 0 -r 1 > > Sending packets on dna0 > > ################################################### > > # ERROR: You do not seem to have a valid DNA license for dna0. > > # ERROR: Please get one at http://shop.ntop.org/. > > ################################################### > > # We're now working in demo mode with packet capture > > # and transmission limited to 5 minutes > > ################################################### > > Using PF_RING v.5.2.1 > > Estimated CPU freq: 3670602000 Hz > > Number of 64-byte Packet Per Second at 1.00 Gbit/s: 1488095.24 > > Read 5 packets from pcap file /home/fmayo/traffic_test.cap > > TX rate: [current 7'627'165.74 pps/6.47 Gbps][average 7'627'165.74 pps/6.47 > > Gbps][total 7'627'181.00 pkts] > > TX rate: [current 7'638'615.12 pps/6.48 Gbps][average 7'632'890.61 pps/6.47 > > Gbps][total 15'266'285.00 pkts] > > TX rate: [current 7'722'359.60 pps/6.55 Gbps][average 7'662'714.28 pps/6.50 > > Gbps][total 22'989'162.00 pkts] > > ...... > > > > Second (successful) example: > > > > root@trafficgen:/home/fmayo/PF_RING/userland/examples# ./pfsend -i dna0 -f > > /home/fmayo/traffic_test.cap -n 0 -r 1 > > Sending packets on dna0 > > ################################################### > > # ERROR: You do not seem to have a valid DNA license for dna0. > > # ERROR: Please get one at http://shop.ntop.org/. > > ################################################### > > # We're now working in demo mode with packet capture > > # and transmission limited to 5 minutes > > ################################################### > > Using PF_RING v.5.2.1 > > Estimated CPU freq: 3693248000 Hz > > Number of 64-byte Packet Per Second at 1.00 Gbit/s: 1488095.24 > > Read 5 packets from pcap file /home/fmayo/traffic_test.cap > > TX rate: [current 1'463'372.07 pps/1.24 Gbps][average 1'463'372.07 pps/1.24 > > Gbps][total 1'463'375.00 pkts] > > TX rate: [current 1'402'045.15 pps/1.19 Gbps][average 1'432'708.30 pps/1.21 > > Gbps][total 2'865'451.00 pkts] > > ..... > > > > root@trafficgen:/proc/net/pf_ring/dev/dna0# cat > > /proc/net/pf_ring/dev/dna0/info > > Name: dna0 > > Index: 10 > > Address: 00:12:C0:80:15:3E > > Polling Mode: DNA > > Type: Ethernet > > Family: Intel ixgbe 82599 > > Max # TX Queues: 72 > > # Used RX Queues: 1 > > > > > > Thanks! > > Best regards > > Fernando Mayo > > > > -------------- next part -------------- > > An HTML attachment was scrubbed... > > URL: > > <http://listgateway.unipi.it/pipermail/ntop-misc/attachments/20111215/5f9108f9/attachment-0001.htm> > > > > ------------------------------ > > > > Message: 2 > > Date: Thu, 15 Dec 2011 12:06:31 +0100 > > From: Luca Deri <[email protected]> > > To: [email protected] > > Subject: Re: [Ntop-misc] pfsend with DNA (demo) issue > > Message-ID: <[email protected]> > > Content-Type: text/plain; charset="iso-8859-1" > > > > Fernando > > pfsend is a test utility and we have not planned to make it a network > > testing tool. However we're willing to improve it. The tool uses -r > > properly basically with self-generated traffic (i.e. no -f). With -f it > > still assumes that the pcap file contains 64 byte packets (it prints that > > on screen), that does not seem to be your case. > > > > The demo driver is just a way to limit the tool duration and it has nothing > > to do with your tests. > > > > Bottom line: feel free to patch the tool and adapt it at your needs. In > > that case please share the code with us so we can commit it > > > > Thanks Luca > > > > > > On Dec 15, 2011, at 12:00 PM, Fernando Mayo wrote: > > > > > Hi everyone, > > > > > > I just installed the more recent (demo) version of PF_RING DNA driver for > > > ixgbe, in order to make stress tests on a new router platform. > > > > > > Everything is working fine, except that pfsend utility is usually not > > > sending packet at the configured rate. Don't know if this is related to > > > the demo version of the driver... > > > > > > I am trying to transmit a capture file (containing five packets) at a > > > rate of 1 Gbps: on the first example shown below I am getting more than 7 > > > Mpps which is much more than the rate that pfsend utility is calculating > > > (1488095 pps). > > > > > > On the second example, the rate fits to the calculated rate using exactly > > > the same parameters. > > > > > > Any ideas? > > > > > > First (unsuccessful) example: > > > > > > root@trafficgen:/home/fmayo/PF_RING/userland/examples# ./pfsend -i dna0 > > > -f /home/fmayo/traffic_test.cap -n 0 -r 1 > > > Sending packets on dna0 > > > ################################################### > > > # ERROR: You do not seem to have a valid DNA license for dna0. > > > # ERROR: Please get one at http://shop.ntop.org/. > > > ################################################### > > > # We're now working in demo mode with packet capture > > > # and transmission limited to 5 minutes > > > ################################################### > > > Using PF_RING v.5.2.1 > > > Estimated CPU freq: 3670602000 Hz > > > Number of 64-byte Packet Per Second at 1.00 Gbit/s: 1488095.24 > > > Read 5 packets from pcap file /home/fmayo/traffic_test.cap > > > TX rate: [current 7'627'165.74 pps/6.47 Gbps][average 7'627'165.74 > > > pps/6.47 Gbps][total 7'627'181.00 pkts] > > > TX rate: [current 7'638'615.12 pps/6.48 Gbps][average 7'632'890.61 > > > pps/6.47 Gbps][total 15'266'285.00 pkts] > > > TX rate: [current 7'722'359.60 pps/6.55 Gbps][average 7'662'714.28 > > > pps/6.50 Gbps][total 22'989'162.00 pkts] > > > ...... > > > > > > Second (successful) example: > > > > > > root@trafficgen:/home/fmayo/PF_RING/userland/examples# ./pfsend -i dna0 > > > -f /home/fmayo/traffic_test.cap -n 0 -r 1 > > > Sending packets on dna0 > > > ################################################### > > > # ERROR: You do not seem to have a valid DNA license for dna0. > > > # ERROR: Please get one at http://shop.ntop.org/. > > > ################################################### > > > # We're now working in demo mode with packet capture > > > # and transmission limited to 5 minutes > > > ################################################### > > > Using PF_RING v.5.2.1 > > > Estimated CPU freq: 3693248000 Hz > > > Number of 64-byte Packet Per Second at 1.00 Gbit/s: 1488095.24 > > > Read 5 packets from pcap file /home/fmayo/traffic_test.cap > > > TX rate: [current 1'463'372.07 pps/1.24 Gbps][average 1'463'372.07 > > > pps/1.24 Gbps][total 1'463'375.00 pkts] > > > TX rate: [current 1'402'045.15 pps/1.19 Gbps][average 1'432'708.30 > > > pps/1.21 Gbps][total 2'865'451.00 pkts] > > > ..... > > > > > > root@trafficgen:/proc/net/pf_ring/dev/dna0# cat > > > /proc/net/pf_ring/dev/dna0/info > > > Name: dna0 > > > Index: 10 > > > Address: 00:12:C0:80:15:3E > > > Polling Mode: DNA > > > Type: Ethernet > > > Family: Intel ixgbe 82599 > > > Max # TX Queues: 72 > > > # Used RX Queues: 1 > > > > > > > > > Thanks! > > > Best regards > > > Fernando Mayo > > > _______________________________________________ > > > Ntop-misc mailing list > > > [email protected] > > > http://listgateway.unipi.it/mailman/listinfo/ntop-misc > > > > -------------- next part -------------- > > An HTML attachment was scrubbed... > > URL: > > <http://listgateway.unipi.it/pipermail/ntop-misc/attachments/20111215/78a57c17/attachment-0001.htm> > > > > ------------------------------ > > > > Message: 3 > > Date: Thu, 15 Dec 2011 12:10:16 +0100 > > From: Alfredo Cardigliano <[email protected]> > > To: [email protected] > > Subject: Re: [Ntop-misc] pfsend with DNA (demo) issue > > Message-ID: <[email protected]> > > Content-Type: text/plain; charset="iso-8859-1" > > > > Fernando > > pfsend is an example application and in actual implementation the -r > > parameter works fine only without the -f option (it uses the -l parameter > > for computing the transmit rate) > > > > Best regards > > Alfredo > > > > On Dec 15, 2011, at 12:00 PM, Fernando Mayo wrote: > > > > > Hi everyone, > > > > > > I just installed the more recent (demo) version of PF_RING DNA driver for > > > ixgbe, in order to make stress tests on a new router platform. > > > > > > Everything is working fine, except that pfsend utility is usually not > > > sending packet at the configured rate. Don't know if this is related to > > > the demo version of the driver... > > > > > > I am trying to transmit a capture file (containing five packets) at a > > > rate of 1 Gbps: on the first example shown below I am getting more than 7 > > > Mpps which is much more than the rate that pfsend utility is calculating > > > (1488095 pps). > > > > > > On the second example, the rate fits to the calculated rate using exactly > > > the same parameters. > > > > > > Any ideas? > > > > > > First (unsuccessful) example: > > > > > > root@trafficgen:/home/fmayo/PF_RING/userland/examples# ./pfsend -i dna0 > > > -f /home/fmayo/traffic_test.cap -n 0 -r 1 > > > Sending packets on dna0 > > > ################################################### > > > # ERROR: You do not seem to have a valid DNA license for dna0. > > > # ERROR: Please get one at http://shop.ntop.org/. > > > ################################################### > > > # We're now working in demo mode with packet capture > > > # and transmission limited to 5 minutes > > > ################################################### > > > Using PF_RING v.5.2.1 > > > Estimated CPU freq: 3670602000 Hz > > > Number of 64-byte Packet Per Second at 1.00 Gbit/s: 1488095.24 > > > Read 5 packets from pcap file /home/fmayo/traffic_test.cap > > > TX rate: [current 7'627'165.74 pps/6.47 Gbps][average 7'627'165.74 > > > pps/6.47 Gbps][total 7'627'181.00 pkts] > > > TX rate: [current 7'638'615.12 pps/6.48 Gbps][average 7'632'890.61 > > > pps/6.47 Gbps][total 15'266'285.00 pkts] > > > TX rate: [current 7'722'359.60 pps/6.55 Gbps][average 7'662'714.28 > > > pps/6.50 Gbps][total 22'989'162.00 pkts] > > > ...... > > > > > > Second (successful) example: > > > > > > root@trafficgen:/home/fmayo/PF_RING/userland/examples# ./pfsend -i dna0 > > > -f /home/fmayo/traffic_test.cap -n 0 -r 1 > > > Sending packets on dna0 > > > ################################################### > > > # ERROR: You do not seem to have a valid DNA license for dna0. > > > # ERROR: Please get one at http://shop.ntop.org/. > > > ################################################### > > > # We're now working in demo mode with packet capture > > > # and transmission limited to 5 minutes > > > ################################################### > > > Using PF_RING v.5.2.1 > > > Estimated CPU freq: 3693248000 Hz > > > Number of 64-byte Packet Per Second at 1.00 Gbit/s: 1488095.24 > > > Read 5 packets from pcap file /home/fmayo/traffic_test.cap > > > TX rate: [current 1'463'372.07 pps/1.24 Gbps][average 1'463'372.07 > > > pps/1.24 Gbps][total 1'463'375.00 pkts] > > > TX rate: [current 1'402'045.15 pps/1.19 Gbps][average 1'432'708.30 > > > pps/1.21 Gbps][total 2'865'451.00 pkts] > > > ..... > > > > > > root@trafficgen:/proc/net/pf_ring/dev/dna0# cat > > > /proc/net/pf_ring/dev/dna0/info > > > Name: dna0 > > > Index: 10 > > > Address: 00:12:C0:80:15:3E > > > Polling Mode: DNA > > > Type: Ethernet > > > Family: Intel ixgbe 82599 > > > Max # TX Queues: 72 > > > # Used RX Queues: 1 > > > > > > > > > Thanks! > > > Best regards > > > Fernando Mayo > > > _______________________________________________ > > > Ntop-misc mailing list > > > [email protected] > > > http://listgateway.unipi.it/mailman/listinfo/ntop-misc > > > > -------------- next part -------------- > > An HTML attachment was scrubbed... > > URL: > > <http://listgateway.unipi.it/pipermail/ntop-misc/attachments/20111215/ea46fc71/attachment.htm> > > > > ------------------------------ > > > > _______________________________________________ > > Ntop-misc mailing list > > [email protected] > > http://listgateway.unipi.it/mailman/listinfo/ntop-misc > > > > > > End of Ntop-misc Digest, Vol 90, Issue 13 > > ***************************************** > _______________________________________________ > Ntop-misc mailing list > [email protected] > http://listgateway.unipi.it/mailman/listinfo/ntop-misc --- Keep looking, don't settle - Steve Jobs _______________________________________________ Ntop-misc mailing list [email protected] http://listgateway.unipi.it/mailman/listinfo/ntop-misc
