> On 13 Feb 2017, at 17:34, yusuf khan <yusuf.at...@gmail.com> wrote: > > Hi, > > Comments inline. > > Br, > Yusuf > > On Mon, Feb 13, 2017 at 9:20 PM, Damjan Marion <dmarion.li...@gmail.com > <mailto:dmarion.li...@gmail.com>> wrote: > > > On 10 Feb 2017, at 18:03, yusuf khan <yusuf.at...@gmail.com > > <mailto:yusuf.at...@gmail.com>> wrote: > > > > Hi, > > > > I am testing vpp performance for l3 routing. I am pumping traffic from > > moongen which is sending packet at 10Gbps line rate with 84 bytes packet > > size. > > If i start vpp with single worker thread(in addition to main thread), vpp > > is able to route almost at the line rate. Almost because i see some drop at > > the receive of nic. > > avg vector per node is 97 in this case. > > > > Success case stats from moongen below... > > > > Thread 1 vpp_wk_0 (lcore 11) > > Time 122.6, average vectors/node 96.78, last 128 main loops 12.00 per node > > 256.00 > > vector rates in 3.2663e6, out 3.2660e6, drop 1.6316e-2, punt 0.0000e0 > > ------------------------Moongen > > output------------------------------------------------------------------ > > [Device: id=5] TX: 11.57 Mpps, 8148 Mbit/s (10000 Mbit/s with framing) > > [Device: id=6] RX: 11.41 Mpps, 8034 Mbit/s (9860 Mbit/s with framing) > > Here seems that moongen is not able to send faster…. > [Yusuf] Here moongen is sending 10000 Mbit/s but receive is some what > less, may be due to nic drop…
Yeah, I wanted to say that VPP is not limiting factor here. > > > > > > > But when i start vpp with 2 worker threads , each polling seperate nic. i > > see thre throught put almost reduce by 40%! The other thread is not > > receiving any packets its just polling idle nic but impacting other thread? > > Looks like one worker is polling both interfaces and another one is idle. > That’s why you see drop of performance. > > Can you provide output of “show dpdk interface placement” command? > > [Yusuf] Each thread is polling individual interface. please find the > output below > Thread 1 (vpp_wk_0 at lcore 11): > TenGigabitEthernet5/0/1 queue 0 > Thread 2 (vpp_wk_1 at lcore 24): > TenGigabitEthernet5/0/0 queue 0 you have both ports on the same card. Have you tried with two different cards? 82599 have some hardware limitations, If i remember correctly it is round 23 Mpps per card with 64B packets. Can you also capture following outputs while traffic is running : clear hardware clear run [wait 1-2 sec] show run show hardware
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