+------------------------------------------------------------+-------------+-------------+-------------+-------------+---------------+---------------+------+------+ | Test Case | 1908.0-1 | 1908.1-1 | 1908.1-2 | 2001.0-2 | Diff1 | Diff2 | RCA1 | RCA2 | +------------------------------------------------------------+-------------+-------------+-------------+-------------+---------------+---------------+------+------+ | 64b-2t1c-eth-l2xcbase-eth-2vhostvr1024-1vm | 7.4 +- 0.1 | 7.3 +- 0.1 | 7.0 +- 0.3 | 7.8 +- 0.0 | -4.6 +- 3.7 | +11.8 +- 4.3 | - | [9] | | 64b-2t1c-dot1q-l2xcbase | 16.4 +- 0.1 | 16.2 +- 0.2 | 14.9 +- 1.7 | 16.4 +- 0.5 | -8.2 +- 10.4 | +9.7 +- 12.8 | - | [5] | | 64b-2t1c-dot1q-l2bdbasemaclrn-eth-2memif-1dcr | 4.7 +- 0.2 | 5.3 +- 0.3 | 5.0 +- 0.2 | 5.4 +- 0.3 | -4.4 +- 6.2 | +6.2 +- 7.0 | - | - | | 64b-2t1c-dot1q-l2bdbasemaclrn-eth-2vhostvr1024-1vm-vppl2xc | 3.3 +- 0.9 | 3.0 +- 0.8 | 3.0 +- 0.5 | 3.1 +- 0.4 | +1.0 +- 30.8 | +4.1 +- 21.0 | - | [8] | | 64b-2t1c-eth-l2patch | 27.8 +- 0.0 | 27.8 +- 0.0 | 36.1 +- 0.5 | 37.3 +- 0.0 | +29.9 +- 1.7 | +3.4 +- 1.4 | [2] | - | | 64b-2t1c-eth-l2bdscale10kmaclrn | 12.9 +- 0.1 | 12.8 +- 0.1 | 12.7 +- 0.1 | 13.1 +- 0.4 | -0.9 +- 1.3 | +3.2 +- 3.0 | - | - | | 64b-2t1c-eth-l2bdscale100kmaclrn | 11.1 +- 0.1 | 11.1 +- 0.1 | 10.9 +- 0.1 | 11.2 +- 0.1 | -2.2 +- 1.1 | +3.1 +- 1.4 | - | - | | 64b-2t1c-eth-l2bdscale1mmaclrn | 10.4 +- 0.1 | 10.3 +- 0.0 | 10.2 +- 0.1 | 10.5 +- 0.1 | -1.3 +- 0.7 | +2.8 +- 1.3 | - | - | | 64b-2t1c-eth-l2bdbasemaclrn | 18.0 +- 0.1 | 17.8 +- 0.1 | 17.3 +- 0.7 | 17.4 +- 1.0 | -3.0 +- 3.9 | +0.4 +- 6.9 | - | - | | 64b-2t1c-dot1q-l2bdbasemaclrn-eth-2vhostvr1024-1vm | 5.0 +- 0.1 | 5.0 +- 0.0 | 5.0 +- 0.0 | 5.0 +- 0.1 | -0.5 +- 1.1 | +0.2 +- 1.4 | - | - | | 64b-2t1c-eth-l2bdbasemaclrn-eth-2vhostvr1024-1vm | 6.4 +- 0.1 | 6.4 +- 0.0 | 6.3 +- 0.0 | 6.3 +- 0.0 | -1.7 +- 0.6 | -0.1 +- 0.6 | - | - | | 64b-2t1c-dot1q-l2bdbasemaclrn | 11.7 +- 0.6 | 12.0 +- 0.2 | 11.5 +- 0.4 | 11.4 +- 0.3 | -4.0 +- 3.8 | -0.9 +- 4.5 | - | - | | 64b-2t1c-dot1q-ip4base | 16.2 +- 0.0 | 16.1 +- 0.0 | 15.4 +- 0.3 | 15.0 +- 0.5 | -4.7 +- 2.2 | -2.0 +- 3.9 | - | - | | 64b-2t1c-avf-dot1q-l2bdbasemaclrn-gbp | 4.4 +- 0.1 | 4.5 +- 0.0 | 4.2 +- 0.1 | 4.1 +- 0.1 | -6.3 +- 3.2 | -2.8 +- 4.6 | [1] | - | | 64b-2t1c-eth-l2bdbasemaclrn-eth-2memif-1dcr | 6.4 +- 0.0 | 8.3 +- 0.0 | 8.1 +- 0.1 | 7.9 +- 0.0 | -1.9 +- 0.8 | -2.9 +- 0.9 | - | - | | 64b-2t1c-ethip4udp-ip4base-iacl50sf-10kflows | 9.2 +- 0.0 | NT | 8.8 +- 0.0 | 8.5 +- 0.1 | -4.1 +- 0.5 | -3.1 +- 0.7 | [1] | - | | 64b-2t1c-ethip4udp-ip4base-iacl50sl-10kflows | 9.2 +- 0.1 | NT | 8.8 +- 0.0 | 8.5 +- 0.1 | -4.3 +- 1.3 | -3.3 +- 0.8 | - | - | | 64b-2t1c-ethip4-ip4base-eth-2vhostvr1024-1vm | 6.4 +- 0.0 | 6.4 +- 0.1 | 6.2 +- 0.0 | 6.0 +- 0.1 | -2.8 +- 1.1 | -3.3 +- 1.1 | - | - | | 64b-2t1c-eth-l2xcbase | 26.1 +- 0.1 | 26.0 +- 0.1 | 24.8 +- 1.7 | 23.9 +- 2.3 | -4.4 +- 6.6 | -4.0 +- 11.4 | - | - | | 64b-2t1c-ethip4-ip4base | 18.1 +- 0.1 | 18.0 +- 0.1 | 17.2 +- 0.7 | 16.5 +- 0.7 | -4.5 +- 3.7 | -4.4 +- 5.4 | [1] | - | | 64b-2t1c-ethip4-ip4scale2m | 15.7 +- 0.1 | 15.8 +- 0.1 | 15.4 +- 0.6 | 14.7 +- 1.1 | -2.6 +- 3.8 | -4.4 +- 8.0 | - | - | | 64b-2t1c-ethip4udp-ip4base-oacl50sf-10kflows | 8.9 +- 0.2 | NT | 8.6 +- 0.2 | 8.2 +- 0.0 | -3.6 +- 2.8 | -4.4 +- 1.8 | - | - | | 64b-2t1c-avf-eth-l2patch | 27.8 +- 0.0 | 27.8 +- 0.0 | 32.5 +- 2.7 | 30.9 +- 3.1 | +16.8 +- 9.6 | -4.7 +- 12.4 | [2] | - | | 64b-2t1c-ethip4udp-ip4base-oacl50sl-10kflows | 9.0 +- 0.2 | NT | 8.6 +- 0.2 | 8.2 +- 0.1 | -4.9 +- 2.4 | -4.8 +- 2.0 | [1] | - | | 64b-2t1c-ethip4-ip4scale20k | 17.4 +- 0.2 | 17.3 +- 0.1 | 16.6 +- 0.3 | 15.8 +- 0.9 | -4.0 +- 2.1 | -5.0 +- 6.0 | - | - | | 64b-2t1c-ethip4-ip4scale200k | 17.4 +- 0.1 | 17.3 +- 0.2 | 16.7 +- 0.4 | 15.8 +- 1.1 | -3.9 +- 2.7 | -5.1 +- 7.1 | - | - | | 64b-2t1c-eth-l2xcbase-eth-2memif-1dcr | 8.2 +- 0.0 | 11.5 +- 0.1 | 11.4 +- 0.1 | 10.7 +- 0.1 | -0.8 +- 0.9 | -6.1 +- 1.0 | - | [11] | | 64b-2t1c-ethip4-ip4base-eth-2memif-1dcr | 6.5 +- 0.0 | 7.9 +- 0.1 | 7.6 +- 0.1 | 7.1 +- 0.0 | -2.9 +- 1.1 | -6.6 +- 0.9 | - | [11] | | 64b-2t1c-eth-l2bdbasemaclrn-eth-2vhostvr1024-1vm-vppl2xc | 3.9 +- 0.8 | 3.3 +- 0.8 | 3.6 +- 0.5 | 3.3 +- 0.6 | +9.8 +- 30.3 | -7.8 +- 20.1 | - | [8] | | 64b-2t1c-ethip4udp-ip4base-nat44 | 11.4 +- 1.2 | 11.8 +- 1.2 | 10.9 +- 1.0 | 9.4 +- 0.6 | -7.8 +- 13.1 | -13.2 +- 9.9 | - | [6] | | 64b-2t1c-avf-eth-l2bdbasemaclrn | 23.2 +- 0.0 | 23.0 +- 0.2 | 21.2 +- 3.5 | 18.0 +- 5.6 | -7.5 +- 15.4 | -15.4 +- 30.0 | - | - | | 64b-2t1c-avf-dot1q-l2bdbasemaclrn | 13.9 +- 0.3 | 13.8 +- 0.2 | 13.0 +- 1.5 | 11.0 +- 2.7 | -6.2 +- 11.0 | -15.6 +- 22.7 | - | - | | 64b-2t1c-eth-l2xcbase-eth-2vhostvr1024-1vm-vppl2xc | 5.4 +- 0.4 | 5.4 +- 0.3 | 4.9 +- 0.3 | 4.1 +- 0.7 | -8.6 +- 8.1 | -17.2 +- 15.7 | [4] | [8] | | 64b-2t1c-ethip4-ip4base-eth-2vhostvr1024-1vm-vppip4 | 3.5 +- 0.6 | 3.4 +- 0.7 | 3.8 +- 0.5 | 3.1 +- 0.5 | +12.6 +- 28.6 | -17.2 +- 18.0 | - | - | | 64b-2t1c-avf-dot1q-ip4base | 20.9 +- 0.1 | 20.9 +- 0.1 | 18.5 +- 3.0 | 15.0 +- 4.4 | -11.4 +- 14.3 | -18.9 +- 27.0 | [1] | [10] | | 64b-2t1c-avf-eth-l2xcbase | 27.8 +- 0.0 | 27.8 +- 0.0 | 28.5 +- 3.9 | 22.9 +- 7.4 | +2.6 +- 14.0 | -19.6 +- 28.3 | [2] | - | | 64b-2t1c-avf-ethip4-ip4scale2m | 20.6 +- 0.1 | 20.5 +- 0.1 | 18.6 +- 3.2 | 14.8 +- 4.5 | -9.2 +- 15.7 | -20.3 +- 28.0 | - | [7] | | 64b-2t1c-avf-ethip4-ip4scale20k | 23.2 +- 0.1 | 22.8 +- 0.2 | 20.8 +- 3.7 | 16.4 +- 4.9 | -8.8 +- 16.0 | -21.4 +- 27.1 | - | [7] | | 64b-2t1c-avf-ethip4-ip4scale200k | 23.0 +- 0.0 | 22.9 +- 0.1 | 20.8 +- 3.2 | 16.3 +- 4.9 | -8.9 +- 13.9 | -21.7 +- 26.4 | - | [7] | | 64b-2t1c-avf-ethip4-ip4base | 23.8 +- 0.2 | 23.8 +- 0.3 | 21.5 +- 3.2 | 16.9 +- 5.4 | -9.6 +- 13.5 | -21.7 +- 27.5 | [1] | [10] | +------------------------------------------------------------+-------------+-------------+-------------+-------------+---------------+---------------+------+------+ 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.