-List of known issues in |csit-release| for VPP performance tests:
-
-+----+-----------------------------------------+----------------------------------------------------------------------------------------------------------+
-| # | JiraID | Issue Description |
-+====+=========================================+==========================================================================================================+
-| 1 | `CSIT-570 | Sporadic (1 in 200) NDR discovery test failures on x520. DPDK reporting rx-errors, indicating L1 issue. |
-| | <https://jira.fd.io/browse/CSIT-570>`_ | Suspected issue with HW combination of X710-X520 in LF testbeds. Not observed outside of LF testbeds. |
-+----+-----------------------------------------+----------------------------------------------------------------------------------------------------------+
-| 2 | `VPP-662 | 9000B packets not supported by NICs VIC1227 and VIC1387. |
-| | <https://jira.fd.io/browse/VPP-662>`_ | |
-+----+-----------------------------------------+----------------------------------------------------------------------------------------------------------+
-| 3 | `CSIT-1503 | [`TRex-519 <https://trex-tgn.cisco.com/youtrack/issue/trex-519>`_] XL710/XXV710 with FW 6.0.1 will have |
-| | <https://jira.fd.io/browse/CSIT-1503>`_ | Rx drop rate of 27MPPS. |
-+----+-----------------------------------------+----------------------------------------------------------------------------------------------------------+
-| 4 | `CSIT-1498 | Memif tests are sporadically failing on initialization of memif connection. |
-| | <https://jira.fd.io/browse/CSIT-1498>`_ | |
-+----+-----------------------------------------+----------------------------------------------------------------------------------------------------------+
-| 5 | `CSIT-1499 | AVF tests are sporadically failing on initialization of AVF interface. |
-| | <https://jira.fd.io/browse/CSIT-1499>`_ | |
-+----+-----------------------------------------+----------------------------------------------------------------------------------------------------------+
-| 6 | `VPP-1676 | 9000B ip4 memif errors - ip4-input: ip4 length > l2 length. |
-| | <https://jira.fd.io/browse/VPP-1676>`_ | IP4 jumbo frames (9000B) are dropped in case of tests with memif. |
-+----+-----------------------------------------+----------------------------------------------------------------------------------------------------------+
-| 7 | `VPP-1677 | 9000B ip4 nat44: VPP crash + coredump. |
-| | <https://jira.fd.io/browse/VPP-1677>`_ | VPP crashes very often in case that NAT44 is configured and it has to process IP4 jumbo frames (9000B). |
-+----+-----------------------------------------+----------------------------------------------------------------------------------------------------------+
-| 8 | `CSIT-1591 | All CSIT scale tests can not use PAPI due to much slower performance compared to VAT/CLI (it takes much |
-| | <https://jira.fd.io/browse/CSIT-1499>`_ | longer to program VPP). This needs to be addressed on the PAPI side. |
-| | | |
-| | `VPP-1763 | |
-| | <https://jira.fd.io/browse/VPP-1763>`_ | |
-+----+-----------------------------------------+----------------------------------------------------------------------------------------------------------+
-| 9 | `CSIT-1592 | VPP memif API does not enable memif zero-copy, resulting in different memif configuration vs. previously |
-| | <https://jira.fd.io/browse/CSIT-1592>`_ | tested VAT/CLI where memif zero-copy was enabled by default. Needs to be fixed in VPP. |
-| | | |
-| | `VPP-1764 | |
-| | <https://jira.fd.io/browse/VPP-1764>`_ | |
-+----+-----------------------------------------+----------------------------------------------------------------------------------------------------------+
-| 10 | `VPP-1675 | IPv4 IPSEC 9000B packet tests are failing as no packet is forwarded. |
-| | <https://jira.fd.io/browse/VPP-1675>`_ | Reason: chained buffers are not supported. |
-+----+-----------------------------------------+----------------------------------------------------------------------------------------------------------+
-| 11 | `CSIT-1593 | IPv4 AVF 9000B packet tests are failing on 3n-skx while passing on 2n-skx. |
-| | <https://jira.fd.io/browse/CSIT-1593>`_ | |
-+----+-----------------------------------------+----------------------------------------------------------------------------------------------------------+
-
+New
+___
+
++----+-----------------------------------------+-----------------------------------------------------------------------------------------------------------+
+| # | JiraID | Issue Description |
++====+=========================================+===========================================================================================================+
+| | | |
++----+-----------------------------------------+-----------------------------------------------------------------------------------------------------------+
+
+Previous
+________
+
+Issues reported in previous releases which still affect the current results.
+
++----+-----------------------------------------+-----------------------------------------------------------------------------------------------------------+
+| # | JiraID | Issue Description |
++====+=========================================+===========================================================================================================+
+| 1 | `CSIT-1671 | All CSIT scale tests can not use PAPI due to much slower performance compared to VAT/CLI (it takes much |
+| | <https://jira.fd.io/browse/CSIT-1671>`_ | longer to program VPP). This needs to be addressed on the PAPI side. |
+| +-----------------------------------------+ Currently, the time critical code uses VAT running large files with exec statements and CLI commands. |
+| | `VPP-1763 | Still, we needed to reduce the number of scale tests run to keep overall duration reasonable. |
+| | <https://jira.fd.io/browse/VPP-1763>`_ | More improvements needed to achieve sufficient configuration speed. |
++----+-----------------------------------------+-----------------------------------------------------------------------------------------------------------+
+| 2 | `CSIT-1782 | Multicore AVF tests are failing when trying to create interface. |
+| | <https://jira.fd.io/browse/CSIT-1782>`_ | Frequency is reduced by CSIT workaround, but occasional failures do still happen. |
++----+-----------------------------------------+-----------------------------------------------------------------------------------------------------------+
+| 3 | `CSIT-1785 | NAT44ED tests failing to establish all TCP sessions. |
+| | <https://jira.fd.io/browse/CSIT-1785>`_ | At least for max scale, in allotted time (limited by session 500s timeout) due to worse |
+| +-----------------------------------------+ slow path performance than previously measured and calibrated for. |
+| | `VPP-1972 | CSIT removed the max scale NAT tests to avoid this issue. |
+| | <https://jira.fd.io/browse/VPP-1972>`_ | |
++----+-----------------------------------------+-----------------------------------------------------------------------------------------------------------+
+| 4 | `CSIT-1799 | All NAT44-ED 16M scale tests fail while setting NAT44 address range. |
+| | <https://jira.fd.io/browse/CSIT-1799>`_ | |
++----+-----------------------------------------+-----------------------------------------------------------------------------------------------------------+
+| 5 | `CSIT-1800 | All Geneve L3 mode scale tests (1024 tunnels) are failing. |
+| | <https://jira.fd.io/browse/CSIT-1800>`_ | |
++----+-----------------------------------------+-----------------------------------------------------------------------------------------------------------+
+| 6 | `CSIT-1801 | 9000B payload frames not forwarded over tunnels due to violating supported Max Frame Size (VxLAN, LISP, |
+| | <https://jira.fd.io/browse/CSIT-1801>`_ | SRv6). |
++----+-----------------------------------------+-----------------------------------------------------------------------------------------------------------+
+| 7 | `CSIT-1802 | AF-XDP - NDR tests failing from time to time. |
+| | <https://jira.fd.io/browse/CSIT-1802>`_ | |
++----+-----------------------------------------+-----------------------------------------------------------------------------------------------------------+
+| 8 | `CSIT-1803 | 3n-icx testbeds (Icelake): all IMIX aes128cbc-hmac512sha tests are failing due to excessive packet loss. |
+| | <https://jira.fd.io/browse/CSIT-1803>`_ | |
++----+-----------------------------------------+-----------------------------------------------------------------------------------------------------------+
+| 9 | `CSIT-1804 | 3n-tsh, 3n-alt testbed (Taishan, Altra): NDR tests failing from time to time. |
+| | <https://jira.fd.io/browse/CSIT-1804>`_ | |
++----+-----------------------------------------+-----------------------------------------------------------------------------------------------------------+
+| 10 | `CSIT-1808 | All tests with 9000B payload frames not forwarded over memif interfaces. |
+| | <https://jira.fd.io/browse/CSIT-1808>`_ | |
++----+-----------------------------------------+-----------------------------------------------------------------------------------------------------------+
+| 11 | `CSIT-1809 | All tests with 9000B payload frames not forwarded over vhostuser interfaces. |
+| | <https://jira.fd.io/browse/CSIT-1809>`_ | |
++----+-----------------------------------------+-----------------------------------------------------------------------------------------------------------+
+| 12 | `CSIT-1812 | All IMIX NAT44DET 4m 16m scale tests fail due to not creating required session count. |
+| | <https://jira.fd.io/browse/CSIT-1812>`_ | |
++----+-----------------------------------------+-----------------------------------------------------------------------------------------------------------+
+| 13 | `CSIT-1827 | 3n-icx, 3n-skx: all AVF crypto tests sporadically fail. 1518B with no traffic, IMIX with excessive |
+| | <https://jira.fd.io/browse/CSIT-1827>`_ | packet loss. |
++----+-----------------------------------------+-----------------------------------------------------------------------------------------------------------+
+| 14 | `CSIT-1830 | All testbeds: All TCP tput (and pps) tests are failing for small packets. |
+| | <https://jira.fd.io/browse/CSIT-1830>`_ | |
++----+-----------------------------------------+-----------------------------------------------------------------------------------------------------------+
+| 15 | `CSIT-1832 | 3n-alt: NDR 1 packet lost on random tests. |
+| | <https://jira.fd.io/browse/CSIT-1832>`_ | |
++----+-----------------------------------------+-----------------------------------------------------------------------------------------------------------+
+| 16 | `CSIT-1834 | 2n-icx, 2n-skx: sporadic AVF soak tests failing to find critical load with PLRsearch. |
+| | <https://jira.fd.io/browse/CSIT-1834>`_ | |
++----+-----------------------------------------+-----------------------------------------------------------------------------------------------------------+
+| 17 | `CSIT-1847 | 2n-skx: all 10vm-1t test failed with half of packets dropped. |
+| | <https://jira.fd.io/browse/CSIT-1847>`_ | |
++----+-----------------------------------------+-----------------------------------------------------------------------------------------------------------+
+| 18 | `CSIT-1849 | 2n-skx: UDP 16m tput tests fail to create all sessions. |
+| | <https://jira.fd.io/browse/CSIT-1849>`_ | |
++----+-----------------------------------------+-----------------------------------------------------------------------------------------------------------+
+
+Fixed
+_____
+
+Issues reported in previous releases which were fixed in this release:
+
++----+-----------------------------------------+-----------------------------------------------------------------------------------------------------------+
+| # | JiraID | Issue Description |
++====+=========================================+===========================================================================================================+
+| 16 | `CSIT-1834 | 2n-icx, 2n-skx: sporadic AVF soak tests failing to find critical load with PLRsearch. |
+| | <https://jira.fd.io/browse/CSIT-1834>`_ | |
++----+-----------------------------------------+-----------------------------------------------------------------------------------------------------------+
+| 1 | `CSIT-1846 | 2n-skx, 2n-clx, 2n-icx: ALL 1518B TCP tput tests failing with big packet loss. |
+| | <https://jira.fd.io/browse/CSIT-1846>`_ | |
++----+-----------------------------------------+-----------------------------------------------------------------------------------------------------------+
+| 2 | `CSIT-1851 | trending regression: various icelake tests around 2202-04-15 |
+| | <https://jira.fd.io/browse/CSIT-1851>`_ | Somewhat expected consequence of a VPP usability fix, |
+| | | the previous VPP compiler version was too new for the OS used. |
++----+-----------------------------------------+-----------------------------------------------------------------------------------------------------------+
+
+.. _vpp_rca:
+
+Root Cause Analysis for Performance Changes
+-------------------------------------------
+
+List of RCAs in |csit-release| for VPP performance changes:
+
++----+-----------------------------------------+-------------------------------------------------------------------------------------+
+| # | JiraID | Issue Description |
++====+=========================================+=====================================================================================+
+| 1 | `VPP-2030 | regression: ip6base on ICX around 2022-03-23 |
+| | <https://jira.fd.io/browse/VPP-2030>`_ | "Loads blocked due to overlapping with a preceding store that cannot be forwarded." |
+| | | started happening in ip6-lookup graph node. |
++----+-----------------------------------------+-------------------------------------------------------------------------------------+
+| 2 | `CSIT-1852 | 2n-zn2 mellanox performance cap |
+| | <https://jira.fd.io/browse/CSIT-1852>`_ | Old issue, only now distinguished from CSIT-1751. |
+| | | This testbed+nic combination is capped below 28 Mpps, cause not identified yet. |
++----+-----------------------------------------+-------------------------------------------------------------------------------------+
+| 3 | `CSIT-1853 | trending regression: nat44ed cps around 2202-04-01 |
+| | <https://jira.fd.io/browse/CSIT-1853>`_ | VPP change added more computation to slow path (in order to support multiple VRFs). |
+| | | Not clear if the VPP implementation is optimized enough. |
++----+-----------------------------------------+-------------------------------------------------------------------------------------+