Can you provide a bit more details? pps rate? nic type? config?
also, as Dave suggested please clear counters after traffic is started, so stats doesn’t include startup time…. Thanks, Damjan > On 29 Jun 2020, at 18:22, Jeremy Brown via lists.fd.io > <bjeremy32=yahoo....@lists.fd.io> wrote: > > Greetings, > > This is my first post to the forum, so if this is not the right place for > this post please let me know. > > I had a question on VPP performance. We are running two testcases, we limit > it to single threaded and just using one core in order to reduce as many > variables as we can. In the two testcases, the only thing that changes, is > the size incoming packet to VPP. > > Using a 64 byte packet, we see a vectors/node of ~80. Simply changing that > packet size to 1400 we see the same vectors/node fall down to ~2. > > This is regardless of pps… there seems to be a non-linear decrease in > vectors/node with increasing packet size. I was wondering if anyone had > noticed some similar behavior. > > > 64- byte packets > > Thread 1 vpp_wk_0 (lcore 2) > Time 98.9, average vectors/node 80.35, last 128 main loops 0.00 per node 0.00 > vector rates in 1.2643e5, out 1.2643e5, drop 0.0000e0, punt 2.0228e-2 > Name State Calls Vectors > Suspends Clocks Vectors/Call > VirtualFuncEthernet88/10/4-out active 90915 6249981 > 0 1.06e1 68.75 > VirtualFuncEthernet88/10/4-tx active 90915 6249981 > 0 4.06e1 68.75 > VirtualFuncEthernet88/11/5-out active 73270 6249981 > 0 9.27e0 85.30 > VirtualFuncEthernet88/11/5-tx active 73270 6249981 > 0 4.05e1 85.30 > arp-input active 2 2 > 0 3.51e4 1.00 > dpdk-input polling 1166129337 12499964 > 0 1.38e4 .01 > error-punt active 2 2 > 0 5.56e3 1.00 > ethernet-input active 2 2 > 0 1.47e4 1.00 > gtpu4-encap active 90914 6249980 > 0 1.01e2 68.75 > gtpu4-input active 73270 6249981 > 0 7.29e1 85.30 > interface-output active 2 2 > 0 2.20e3 1.00 > ip4-input-no-checksum active 145570 12499962 > 0 2.22e1 85.87 > ip4-load-balance active 90914 6249980 > 0 1.77e1 68.75 > ip4-local active 73272 6249983 > 0 2.45e1 85.29 > ip4-lookup active 218840 18749943 > 0 3.79e1 85.68 > ip4-punt active 2 2 > 0 1.27e3 1.00 > ip4-rewrite active 236482 18749940 > 0 2.75e1 79.29 > ip4-udp-lookup active 73270 6249981 > 0 2.44e1 85.301400-byte packets > > Thread 1 vpp_wk_0 (lcore 2) > Time 102.1, average vectors/node 2.37, last 128 main loops 0.00 per node 0.00 > vector rates in 1.1841e5, out 1.1438e5, drop 4.0334e3, punt 1.9588e-2 > Name State Calls Vectors > Suspends Clocks Vectors/Call > VirtualFuncEthernet88/10/4-out active 2815250 5838981 > 0 8.18e1 2.07 > VirtualFuncEthernet88/10/4-tx active 2815250 5838981 > 0 1.25e2 2.07 > VirtualFuncEthernet88/11/5-out active 2765634 5839804 > 0 8.42e1 2.11 > VirtualFuncEthernet88/11/5-tx active 2765634 5839804 > 0 2.32e2 2.11 > arp-input active 9 825 > 0 2.25e3 91.67 > dpdk-input polling 1136982388 12089787 > 0 1.44e4 .01 > error-drop active 397116 411823 > 0 1.37e2 1.04 > error-punt active 2 2 > 0 5.58e3 1.00 > ethernet-input active 9 825 > 0 7.42e1 91.67 > gtpu4-encap active 2815249 5838980 > 0 2.21e2 2.07 > gtpu4-input active 3161920 6249981 > 0 2.10e2 1.98 > interface-output active 2 2 > 0 2.42e3 1.00 > ip4-glean active 397109 411000 > 0 1.58e2 1.03 > ip4-input-no-checksum active 3733176 12088962 > 0 1.09e2 3.24 > ip4-load-balance active 2815249 5838980 > 0 1.07e2 2.07 > ip4-local active 3161922 6249983 > 0 1.12e2 1.98 > ip4-lookup active 6895096 18338943 > 0 1.52e2 2.66 > ip4-punt active 2 2 > 0 2.03e3 1.00 > ip4-rewrite active 6151314 17516940 > 0 9.56e1 2.85 > ip4-udp-lookup active 3161920 6249981 > 0 8.69e1 1.98 > > Sent from Mail <https://go.microsoft.com/fwlink/?LinkId=550986> for Windows 10 > >
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