+------------------------------------------------------------+-------------+-------------+-------------+-------------+---------------+---------------+------+------+ | Test Case | 1908.0-1 | 1908.1-1 | 1908.1-2 | 2001.0-2 | Diff1 | Diff2 | RCA1 | RCA2 | +------------------------------------------------------------+-------------+-------------+-------------+-------------+---------------+---------------+------+------+ | 64b-2t1c-dot1q-l2xcbase | 17.0 +- 0.0 | 16.8 +- 0.1 | 16.2 +- 0.1 | 19.6 +- 0.1 | -3.5 +- 0.7 | +20.6 +- 0.8 | - | [5] | | 64b-2t1c-eth-l2xcbase-eth-2vhostvr1024-1vm-vppl2xc | 6.9 +- 0.4 | 6.8 +- 0.5 | 6.5 +- 0.5 | 7.2 +- 1.0 | -5.2 +- 9.7 | +11.1 +- 17.1 | [4] | [8] | | 64b-2t1c-eth-l2bdbasemaclrn-eth-2vhostvr1024-1vm-vppl2xc | 5.2 +- 0.4 | 5.0 +- 0.2 | 5.0 +- 0.5 | 5.5 +- 0.8 | -0.2 +- 10.8 | +9.0 +- 18.7 | - | [8] | | 64b-2t1c-eth-l2xcbase-eth-2vhostvr1024-1vm | 7.6 +- 0.1 | 7.6 +- 0.1 | 7.3 +- 0.1 | 7.9 +- 0.0 | -3.3 +- 1.1 | +7.5 +- 0.8 | - | [9] | | 64b-2t1c-dot1q-l2bdbasemaclrn-eth-2vhostvr1024-1vm-vppl2xc | 4.7 +- 0.1 | 4.7 +- 0.0 | 4.6 +- 0.3 | 4.8 +- 0.4 | -2.6 +- 6.8 | +5.5 +- 11.4 | - | [8] | | 64b-2t1c-eth-l2bdbasemaclrn | 18.2 +- 0.1 | 18.1 +- 0.2 | 17.7 +- 0.1 | 18.4 +- 0.4 | -2.3 +- 1.0 | +4.1 +- 2.1 | - | - | | 64b-2t1c-eth-l2bdscale100kmaclrn | 11.5 +- 0.1 | 11.4 +- 0.1 | 11.2 +- 0.1 | 11.5 +- 0.1 | -2.1 +- 1.1 | +2.8 +- 0.9 | - | - | | 64b-2t1c-eth-l2bdscale10kmaclrn | 13.3 +- 0.4 | 13.2 +- 0.2 | 13.2 +- 0.3 | 13.6 +- 0.2 | -0.1 +- 3.0 | +2.8 +- 3.2 | - | - | | 64b-2t1c-eth-l2bdscale1mmaclrn | 10.6 +- 0.1 | 10.7 +- 0.2 | 10.5 +- 0.0 | 10.7 +- 0.1 | -1.7 +- 1.6 | +2.4 +- 1.1 | - | - | | 64b-2t1c-ethip4-ip4base-eth-2vhostvr1024-1vm-vppip4 | 4.9 +- 0.1 | 5.0 +- 0.2 | 5.1 +- 0.5 | 5.2 +- 0.6 | +2.2 +- 10.2 | +2.1 +- 15.8 | - | - | | 64b-2t1c-eth-l2xcbase | 27.2 +- 0.1 | 27.2 +- 0.1 | 26.9 +- 0.1 | 27.2 +- 0.1 | -1.3 +- 0.6 | +1.2 +- 0.5 | - | - | | 64b-2t1c-ethip4-ip4base | 18.8 +- 0.3 | 18.7 +- 0.5 | 17.6 +- 0.1 | 17.7 +- 0.4 | -5.8 +- 2.5 | +0.6 +- 2.0 | [1] | - | | 64b-2t1c-avf-eth-l2patch | 27.9 +- 0.0 | 27.9 +- 0.0 | 36.4 +- 0.0 | 36.4 +- 0.0 | +30.2 +- 0.1 | -0.0 +- 0.0 | [2] | - | | 64b-2t1c-ethip4udp-ip4base-iacl50sf-10kflows | 9.5 +- 0.2 | NT | 9.0 +- 0.2 | 9.0 +- 0.2 | -5.2 +- 2.7 | -0.0 +- 2.8 | [1] | - | | 64b-2t1c-eth-l2patch | 27.9 +- 0.0 | 27.9 +- 0.0 | 37.3 +- 0.1 | 37.3 +- 0.0 | +33.7 +- 0.2 | -0.0 +- 0.2 | [2] | - | | 64b-2t1c-eth-l2bdbasemaclrn-eth-2vhostvr1024-1vm | 6.5 +- 0.0 | 6.4 +- 0.0 | 6.3 +- 0.0 | 6.3 +- 0.0 | -1.6 +- 0.6 | -0.1 +- 0.5 | - | - | | 64b-2t1c-dot1q-ip4base | 16.4 +- 0.1 | 16.3 +- 0.1 | 15.6 +- 0.0 | 15.6 +- 0.1 | -4.1 +- 0.4 | -0.1 +- 0.5 | - | - | | 64b-2t1c-avf-eth-l2bdbasemaclrn | 23.4 +- 0.1 | 23.1 +- 0.2 | 22.6 +- 0.1 | 22.4 +- 0.1 | -2.6 +- 1.1 | -0.5 +- 0.6 | - | - | | 64b-2t1c-dot1q-l2bdbasemaclrn | 12.9 +- 0.3 | 12.9 +- 0.3 | 12.5 +- 0.3 | 12.5 +- 0.2 | -2.7 +- 2.9 | -0.5 +- 2.6 | - | - | | 64b-2t1c-dot1q-l2bdbasemaclrn-eth-2vhostvr1024-1vm | 5.8 +- 0.1 | 5.8 +- 0.0 | 5.7 +- 0.0 | 5.6 +- 0.0 | -2.4 +- 0.8 | -0.7 +- 0.6 | - | - | | 64b-2t1c-ethip4udp-ip4base-oacl50sl-10kflows | 9.2 +- 0.3 | NT | 8.7 +- 0.3 | 8.6 +- 0.2 | -5.4 +- 4.4 | -1.0 +- 4.4 | [1] | - | | 64b-2t1c-ethip4udp-ip4base-oacl50sf-10kflows | 9.1 +- 0.2 | NT | 8.7 +- 0.3 | 8.6 +- 0.2 | -3.7 +- 4.2 | -1.4 +- 4.4 | - | - | | 64b-2t1c-ethip4-ip4scale200k | 17.8 +- 0.1 | 17.7 +- 0.1 | 17.4 +- 0.3 | 17.1 +- 0.4 | -1.7 +- 1.7 | -1.6 +- 2.7 | - | - | | 64b-2t1c-ethip4-ip4scale20k | 17.8 +- 0.1 | 17.9 +- 0.1 | 17.6 +- 0.2 | 17.3 +- 0.3 | -1.9 +- 1.4 | -1.7 +- 2.3 | - | - | | 64b-2t1c-avf-dot1q-l2bdbasemaclrn | 15.1 +- 0.1 | 15.0 +- 0.1 | 14.8 +- 0.1 | 14.5 +- 0.4 | -1.3 +- 1.0 | -2.0 +- 2.7 | - | - | | 64b-2t1c-avf-dot1q-l2bdbasemaclrn-gbp | 4.5 +- 0.1 | 4.6 +- 0.1 | 4.3 +- 0.0 | 4.3 +- 0.0 | -5.3 +- 1.8 | -2.1 +- 1.4 | [1] | - | | 64b-2t1c-dot1q-l2bdbasemaclrn-eth-2memif-1dcr | 5.7 +- 0.0 | 6.7 +- 0.0 | 6.6 +- 0.0 | 6.4 +- 0.0 | -2.7 +- 0.5 | -2.2 +- 0.3 | - | - | | 64b-2t1c-ethip4-ip4scale2m | 16.0 +- 0.1 | 16.0 +- 0.1 | 15.6 +- 0.5 | 15.2 +- 0.9 | -2.1 +- 3.5 | -2.6 +- 6.5 | - | - | | 64b-2t1c-ethip4udp-ip4base-iacl50sl-10kflows | 9.4 +- 0.2 | NT | 9.1 +- 0.2 | 8.8 +- 0.1 | -3.4 +- 3.4 | -2.7 +- 3.1 | - | - | | 64b-2t1c-avf-eth-l2xcbase | 27.9 +- 0.0 | 27.9 +- 0.0 | 36.2 +- 0.0 | 34.9 +- 0.1 | +29.6 +- 0.1 | -3.4 +- 0.4 | [2] | - | | 64b-2t1c-ethip4-ip4base-eth-2vhostvr1024-1vm | 6.4 +- 0.0 | 6.4 +- 0.0 | 6.2 +- 0.0 | 6.0 +- 0.0 | -2.7 +- 1.1 | -3.4 +- 1.1 | - | - | | 64b-2t1c-eth-l2bdbasemaclrn-eth-2memif-1dcr | 6.4 +- 0.0 | 8.6 +- 0.0 | 8.4 +- 0.1 | 8.0 +- 0.0 | -2.8 +- 1.7 | -4.2 +- 1.7 | - | - | | 64b-2t1c-avf-dot1q-ip4base | 21.1 +- 0.0 | 21.1 +- 0.1 | 19.8 +- 0.0 | 18.8 +- 0.0 | -6.3 +- 0.3 | -5.1 +- 0.3 | [1] | [10] | | 64b-2t1c-avf-ethip4-ip4base | 24.0 +- 0.2 | 24.0 +- 0.2 | 22.8 +- 0.1 | 21.3 +- 0.0 | -5.1 +- 1.1 | -6.7 +- 0.6 | [1] | [10] | | 64b-2t1c-eth-l2xcbase-eth-2memif-1dcr | 8.3 +- 0.0 | 12.1 +- 0.0 | 12.0 +- 0.0 | 11.0 +- 0.1 | -0.6 +- 0.3 | -8.2 +- 0.7 | - | [11] | | 64b-2t1c-ethip4-ip4base-eth-2memif-1dcr | 6.6 +- 0.0 | 8.1 +- 0.0 | 7.9 +- 0.0 | 7.2 +- 0.0 | -1.7 +- 0.4 | -8.9 +- 0.6 | - | [11] | | 64b-2t1c-avf-ethip4-ip4scale200k | 23.4 +- 0.1 | 23.3 +- 0.1 | 22.4 +- 0.2 | 20.3 +- 0.5 | -3.9 +- 1.0 | -9.3 +- 2.3 | - | [7] | | 64b-2t1c-avf-ethip4-ip4scale20k | 23.4 +- 0.1 | 23.1 +- 0.2 | 22.1 +- 0.2 | 20.0 +- 0.5 | -4.0 +- 1.5 | -9.5 +- 2.5 | - | [7] | | 64b-2t1c-avf-ethip4-ip4scale2m | 21.2 +- 0.1 | 21.1 +- 0.1 | 20.4 +- 0.8 | 18.3 +- 1.2 | -3.4 +- 4.0 | -10.2 +- 7.1 | - | [7] | | 64b-2t1c-ethip4udp-ip4base-nat44 | 13.2 +- 0.3 | 13.3 +- 0.3 | 12.6 +- 0.3 | 10.2 +- 0.1 | -4.9 +- 3.0 | -18.9 +- 2.1 | - | [6] | +------------------------------------------------------------+-------------+-------------+-------------+-------------+---------------+---------------+------+------+ Legend to Table: YYMM.V-E - tested VPP version (YY year, MM month, V minor version) and CSIT test environment version (E environment version, "1" for 2019-08-21, "2" for 2020-03-27). Diff1 - difference between environment versions "2" and "1" for the same VPP version, 1908.1-2 vs. 1908.1-1 (if data for the latter not present, 1908.0-1 is used). Diff2 - difference between the current and the previous VPP version in the current environment version "2", 2001.0-2 vs. 1908.1-2. RCA1 - root cause analysis reference for Diff1. RCA2 - root cause analysis reference for Diff2. RCA1: [1] DONE, Impact of upgrades: i) Skx ucode from 0x2000043 to 0x2000065, ii) Linux kernel from 4.15.0-60 to 4.15.0-72 and iii) SuperMicro motherboard BIOS from 3.0c to 3.2. [2] DONE, Applied fix of FVL NIC firmware 6.0.1 for increasing TRex Mpps rate from 27 Mpps to 37 Mpps, [CSIT-1503], [TRex-519]. [3] DONE, Applied VPP PAPI fix to enable memif zero-copy, [CSIT-1592], [VPP-1764]. [4] OPEN, Higher than before StDev of PDR throughput for VPP vhost-user with VPP-inside-VM, under investigation, [CSIT-1699], [CSIT-1704]. RCA2: [5] DONE, caused by setting MTU [VPP-1876], [CSIT-1705]. [6] DONE, ip4base-nat44 regression, ge-23963 (https://gerrit.fd.io/r/c/vpp/+/23963#message-044278e6_752c3327). [7] POSTPONED, avf-ip4scale regression, CANDIDATE(S) before ge-22699, [CSIT-1699], [CSIT-1706]. [8] OPEN, VPP vhost-user with VPP-inside-VM higher than before stdev of PDR throughput, under investigation, [CSIT-1699], [CSIT-1704]. [9] DONE, caused by setting MTU [VPP-1876], [CSIT-1707]. [10] POSTPONED, avf-ip4base regression, CANDIDATE(S) range ge-18361..ge-24505, [CSIT-1699], [CSIT-1708]. [11] DONE, memif regression, CANDIDATE(S) confirmed ge-23801.