Report: add 3n-alt static content
[csit.git] / docs / report / vpp_performance_tests / csit_release_notes.rst
index 725b40b..9b7a0a1 100644 (file)
-CSIT Release Notes\r
-==================\r
-\r
-Changes in CSIT |release|\r
--------------------------\r
-\r
-#. VPP performance test environment changes\r
-\r
-    - Further optimizations of VM and vhost-user test environment - Qemu virtio\r
-      queue size increased from default value of 256 to 1024.\r
-    - Addition of HW cryptodev devices - Intel QAT 8950 50G - in all three\r
-      LF FD.io physical testbeds.\r
-\r
-#. VPP performance test framework changes\r
-\r
-    - Added VAT command history collection for every test case as part of\r
-      teardown.\r
-\r
-#. Added VPP performance tests\r
-\r
-    - **CGNAT**\r
-\r
-      - Carrier Grade Network Address Translation tests with varying number\r
-        of users and ports per user: 1u-15p, 10u-15p, 100u-15p, 1000u-15p,\r
-        2000u-15p, 4000u-15p - with Intel x520 NIC.\r
-\r
-    - **vhost-user tests with one VM**\r
-\r
-      - L2 Bridge Domain switched-forwarding with Intel x710 NIC, Intel x520\r
-        NIC, Intel xl710 NIC.\r
-      - VXLAN and L2 Bridge Domain switched-forwarding with Intel x520 NIC.\r
-\r
-    - **vhost-user tests with two VMs service chain**\r
-\r
-      - L2 cross-connect switched-forwarding with Intel x520 NIC, Intel xl710\r
-        NIC.\r
-      - L2 Bridge Domain switched-forwarding with Intel x520 NIC, Intel xl710\r
-        NIC.\r
-      - IPv4 routed-forwarding with Intel x520 NIC, Intel xl710 NIC.\r
-\r
-    - **IPSec encryption with**\r
-\r
-      - AES-GCM, CBC-SHA1 ciphers, in combination with IPv4 routed-forwarding\r
-        with Intel xl710 NIC.\r
-      - CBC-SHA1 ciphers, in combination with LISP-GPE overlay tunneling for\r
-        IPv4-over-IPv4 with Intel xl710 NIC.\r
-\r
-Performance Improvements\r
-------------------------\r
-\r
-Substantial improvements in measured packet throughput have been\r
-observed in a number of CSIT |release| tests listed below, with relative\r
-increase  of double-digit percentage points. Relative improvements are\r
-calculated against the test results listed in CSIT |release-1| report.\r
-VPP-16.09 numbers are provided for reference.\r
-\r
-NDR Throughput\r
-~~~~~~~~~~~~~~\r
-\r
-Non-Drop Rate Throughput discovery tests:\r
-\r
-+-------------------+-----------------------------------------------------------------+------------+-----------+-----------+-----------------+\r
-| VPP Functionality | Test Name                                                       | VPP-16.09  | VPP-17.01 | VPP-17.04 | 17.01 to 17.04  |\r
-|                   |                                                                 | [Mpps]     | [Mpps]    | [Mpps]    | Relative Change |\r
-+===================+=================================================================+============+===========+===========+=================+\r
-| L2XC-vhost-VM     | 10ge2p1x520: 64B-1t1c-eth-l2xcbase-eth-2vhost-1vm-ndrdisc       | 0.5        | 2.8       | 3.4       | 21%             |\r
-+-------------------+-----------------------------------------------------------------+------------+-----------+-----------+-----------------+\r
-| L2BD-vhost-VM     | 10ge2p1x520: 64B-1t1c-eth-l2bdbasemaclrn-eth-2vhost-1vm-ndrdisc | 0.4        | 2.7       | 3.1       | 15%             |\r
-+-------------------+-----------------------------------------------------------------+------------+-----------+-----------+-----------------+\r
-| IPv4 vhost        | 10ge2p1x520: 64B-1t1c-ethip4-ip4base-eth-2vhost-1vm-ndrdisc     | 0.3        | 2.6       | 3.0       | 15%             |\r
-+-------------------+-----------------------------------------------------------------+------------+-----------+-----------+-----------------+\r
-| IPv4 LISP         | 10ge2p1x520: 64B-1t1c-ethip4lispip4-ip4base-ndrdisc             | 4.4        | 4.8       | 5.5       | 15%             |\r
-+-------------------+-----------------------------------------------------------------+------------+-----------+-----------+-----------------+\r
-| IPv6              | 10ge2p1x520: 78B-1t1c-ethip6-ip6base-ndrdisc                    | 3.0        | 7.3       | 8.1       | 11%             |\r
-+-------------------+-----------------------------------------------------------------+------------+-----------+-----------+-----------------+\r
-| IPv6 COP          | 10ge2p1x520: 78B-1t1c-ethip6-ip6base-copwhtlistbase-ndrdisc     | 6.1        | 6.1       | 6.9       | 13%             |\r
-+-------------------+-----------------------------------------------------------------+------------+-----------+-----------+-----------------+\r
-| IPv6 iAcl         | 10ge2p1x520: 78B-1t1c-ethip6-ip6base-iacldstbase-ndrdisc        | 6.5        | 6.1       | 6.9       | 13%             |\r
-+-------------------+-----------------------------------------------------------------+------------+-----------+-----------+-----------------+\r
-| IPv6 FIB 2M       | 10ge2p1x520: 78B-1t1c-ethip6-ip6scale2m-ndrdisc                 | 5.3        | 4.2       | 4.6       | 10%             |\r
-+-------------------+-----------------------------------------------------------------+------------+-----------+-----------+-----------------+\r
-\r
-PDR Throughput\r
-~~~~~~~~~~~~~~\r
-\r
-Partial Drop Rate thoughput discovery tests with packet Loss Tolerance of 0.5%:\r
-\r
-+-------------------+-----------------------------------------------------------------+-----------+-----------+-----------+-----------------+\r
-| VPP Functionality | Test Name                                                       | VPP-16.09 | VPP-17.01 | VPP-17.04 | 17.01 to 17.04  |\r
-|                   |                                                                 | [Mpps]    | [Mpps]    | [Mpps]    | Relative Change |\r
-+===================+=================================================================+===========+===========+===========+=================+\r
-| L2XC-vhost-VM     | 10ge2p1x520: 64B-1t1c-eth-l2xcbase-eth-2vhost-1vm-pdrdisc       | 2.6       | 3.2       | 3.7       | 15%             |\r
-+-------------------+-----------------------------------------------------------------+-----------+-----------+-----------+-----------------+\r
-| L2BD-vhost-VM     | 10ge2p1x520: 64B-1t1c-eth-l2bdbasemaclrn-eth-2vhost-1vm-pdrdisc | 2.1       | 2.9       | 3.3       | 14%             |\r
-+-------------------+-----------------------------------------------------------------+-----------+-----------+-----------+-----------------+\r
-| IPv4 vhost        | 10ge2p1x520: 64B-1t1c-ethip4-ip4base-eth-2vhost-1vm-pdrdisc     | 2.0       | 2.7       | 3.0       | 11%             |\r
-+-------------------+-----------------------------------------------------------------+-----------+-----------+-----------+-----------------+\r
-| IPv4 LISP         | 10ge2p1x520: 64B-1t1c-ethip4lispip4-ip4base-pdrdisc             | 4.6       | 4.8       | 5.5       | 15%             |\r
-+-------------------+-----------------------------------------------------------------+-----------+-----------+-----------+-----------------+\r
-| IPv6              | 10ge2p1x520: 78B-1t1c-ethip6-ip6base-pdrdisc                    | 7.7       | 7.3       | 8.1       | 11%             |\r
-+-------------------+-----------------------------------------------------------------+-----------+-----------+-----------+-----------------+\r
-| IPv6 COP          | 10ge2p1x520: 78B-1t1c-ethip6-ip6base-copwhtlistbase-pdrdisc     | 6.1       | 6.1       | 6.9       | 13%             |\r
-+-------------------+-----------------------------------------------------------------+-----------+-----------+-----------+-----------------+\r
-| IPv6 iAcl         | 10ge2p1x520: 78B-1t1c-ethip6-ip6base-iacldstbase-pdrdisc        | 6.5       | 6.1       | 6.9       | 13%             |\r
-+-------------------+-----------------------------------------------------------------+-----------+-----------+-----------+-----------------+\r
-| IPv6 FIB 2M       | 10ge2p1x520: 78B-1t1c-ethip6-ip6scale2m-pdrdisc                 | 5.3       | 4.2       | 4.6       | 10%             |\r
-+-------------------+-----------------------------------------------------------------+-----------+-----------+-----------+-----------------+\r
-\r
-Measured improvements are in line with VPP code optimizations listed in\r
-`VPP-17.04 release notes\r
-<https://docs.fd.io/vpp/17.04/release_notes_1704.html>`_.\r
-\r
-Additionally, vhost-VM performance improvements are due to both VPP code\r
-optimizations as well as due to the FD.io CSIT Linux KVM test environment\r
-optimizations for vhost-VM tests - see section "2.1.7. Methodology: KVM VM\r
-vhost".\r
-\r
-\r
-Other Performance Changes\r
--------------------------\r
-\r
-Other changes in measured packet throughput, with either minor relative\r
-increase or decrease, have been observed in a number of CSIT |release|\r
-tests listed below. Relative changes are calculated against the test\r
-results listed in CSIT |release-1| report.\r
-\r
-NDR Throughput\r
-~~~~~~~~~~~~~~\r
-\r
-Non-Drop Rate Throughput discovery tests:\r
-\r
-+-------------------+-----------------------------------------------------------------+------------+-----------+-----------+-----------------+\r
-| VPP Functionality | Test Name                                                       | VPP-16.09  | VPP-17.01 | VPP-17.04 | 17.01 to 17.04  |\r
-|                   |                                                                 | [Mpps]     | [Mpps]    | [Mpps]    | Relative Change |\r
-+===================+=================================================================+============+===========+===========+=================+\r
-| L2XC              | 10ge2p1x520: 64B-1t1c-eth-l2xcbase-ndrdisc                      | 9.4        | 12.7      | 13.1      | 3%              |\r
-+-------------------+-----------------------------------------------------------------+------------+-----------+-----------+-----------------+\r
-| L2XC              | 10ge2p1xl710: 64B-1t1c-eth-l2xcbase-ndrdisc                     | 9.5        | 12.2      | 12.4      | 2%              |\r
-+-------------------+-----------------------------------------------------------------+------------+-----------+-----------+-----------------+\r
-| L2XC dot1ad       | 10ge2p1x520: 64B-1t1c-dot1ad-l2xcbase-ndrdisc                   | 7.4        | 8.8       | 9.3       | 6%              |\r
-+-------------------+-----------------------------------------------------------------+------------+-----------+-----------+-----------------+\r
-| L2XC dot1q        | 10ge2p1x520: 64B-1t1c-dot1q-l2xcbase-ndrdisc                    | 7.5        | 8.8       | 9.2       | 5%              |\r
-+-------------------+-----------------------------------------------------------------+------------+-----------+-----------+-----------------+\r
-| L2XC VxLAN        | 10ge2p1x520: 64B-1t1c-ethip4vxlan-l2xcbase-ndrdisc              | 5.4        | 6.5       | 6.8       | 5%              |\r
-+-------------------+-----------------------------------------------------------------+------------+-----------+-----------+-----------------+\r
-| L2BD              | 10ge2p1x520: 64B-1t1c-eth-l2bdbasemaclrn-ndrdisc                | 7.8        | 10.4      | 10.8      | 4%              |\r
-+-------------------+-----------------------------------------------------------------+------------+-----------+-----------+-----------------+\r
-| IPv4              | 10ge2p1x520: 64B-1t1c-ethip4-ip4base-ndrdisc                    | 8.7        | 9.7       | 10.6      | 9%              |\r
-+-------------------+-----------------------------------------------------------------+------------+-----------+-----------+-----------------+\r
-| IPv4 COP          | 10ge2p1x520: 64B-1t1c-ethip4-ip4base-copwhtlistbase-ndrdisc     | 7.1        | 8.3       | 9.0       | 8%              |\r
-+-------------------+-----------------------------------------------------------------+------------+-----------+-----------+-----------------+\r
-| IPv4 iAcl         | 10ge2p1x520: 64B-1t1c-ethip4-ip4base-iacldstbase-ndrdisc        | 6.9        | 7.6       | 8.3       | 9%              |\r
-+-------------------+-----------------------------------------------------------------+------------+-----------+-----------+-----------------+\r
-| IPv4 FIB 200k     | 10ge2p1x520: 64B-1t1c-ethip4-ip4scale200k-ndrdisc               | 8.5        | 9.0       | 9.7       | 8%              |\r
-+-------------------+-----------------------------------------------------------------+------------+-----------+-----------+-----------------+\r
-| IPv4 FIB 20k      | 10ge2p1x520: 64B-1t1c-ethip4-ip4scale20k-ndrdisc                | 8.5        | 9.0       | 9.7       | 8%              |\r
-+-------------------+-----------------------------------------------------------------+------------+-----------+-----------+-----------------+\r
-| IPv4 FIB 2M       | 10ge2p1x520: 64B-1t1c-ethip4-ip4scale2m-ndrdisc                 | 8.5        | 7.8       | 8.1       | 4%              |\r
-+-------------------+-----------------------------------------------------------------+------------+-----------+-----------+-----------------+\r
-| IPv4 Policer      | 10ge2p1x520: 64B-1t1c-ethip4-ip4base-ipolicemarkbase-ndrdisc    | 6.9        | 7.4       | 8.1       | 9%              |\r
-+-------------------+-----------------------------------------------------------------+------------+-----------+-----------+-----------------+\r
-| IPv6 FIB 200k     | 10ge2p1x520: 78B-1t1c-ethip6-ip6scale200k-ndrdisc               | 6.5        | 5.3       | 5.3       | 0%              |\r
-+-------------------+-----------------------------------------------------------------+------------+-----------+-----------+-----------------+\r
-| IPv6 FIB 20k      | 10ge2p1x520: 78B-1t1c-ethip6-ip6scale20k-ndrdisc                | 6.9        | 6.5       | 6.9       | 6%              |\r
-+-------------------+-----------------------------------------------------------------+------------+-----------+-----------+-----------------+\r
-\r
-PDR Throughput\r
-~~~~~~~~~~~~~~\r
-\r
-Partial Drop Rate thoughput discovery tests with packet Loss Tolerance of 0.5%:\r
-\r
-+-------------------+-----------------------------------------------------------------+-----------+-----------+-----------+-----------------+\r
-| VPP Functionality | Test Name                                                       | VPP-16.09 | VPP-17.01 | VPP-17.04 | 17.01 to 17.04  |\r
-|                   |                                                                 | [Mpps]    | [Mpps]    | [Mpps]    | Relative Change |\r
-+===================+=================================================================+===========+===========+===========+=================+\r
-| L2XC              | 10ge2p1x520: 64B-1t1c-eth-l2xcbase-pdrdisc                      | 9.4       | 12.7      | 13.4      | 6%              |\r
-+-------------------+-----------------------------------------------------------------+-----------+-----------+-----------+-----------------+\r
-| L2XC dot1ad       | 10ge2p1x520: 64B-1t1c-dot1ad-l2xcbase-pdrdisc                   | 7.4       | 8.8       | 9.3       | 6%              |\r
-+-------------------+-----------------------------------------------------------------+-----------+-----------+-----------+-----------------+\r
-| L2XC dot1q        | 10ge2p1x520: 64B-1t1c-dot1q-l2xcbase-pdrdisc                    | 7.5       | 8.8       | 9.2       | 5%              |\r
-+-------------------+-----------------------------------------------------------------+-----------+-----------+-----------+-----------------+\r
-| L2XC VxLAN        | 10ge2p1x520: 64B-1t1c-ethip4vxlan-l2xcbase-pdrdisc              | 5.4       | 6.5       | 6.8       | 5%              |\r
-+-------------------+-----------------------------------------------------------------+-----------+-----------+-----------+-----------------+\r
-| L2BD              | 10ge2p1x520: 64B-1t1c-eth-l2bdbasemaclrn-pdrdisc                | 7.8       | 10.6      | 10.8      | 2%              |\r
-+-------------------+-----------------------------------------------------------------+-----------+-----------+-----------+-----------------+\r
-| IPv4              | 10ge2p1x520: 64B-1t1c-ethip4-ip4base-pdrdisc                    | 8.7       | 9.7       | 10.6      | 9%              |\r
-+-------------------+-----------------------------------------------------------------+-----------+-----------+-----------+-----------------+\r
-| IPv4 COP          | 10ge2p1x520: 64B-1t1c-ethip4-ip4base-copwhtlistbase-pdrdisc     | 7.1       | 8.3       | 9.2       | 11%             |\r
-+-------------------+-----------------------------------------------------------------+-----------+-----------+-----------+-----------------+\r
-| IPv4 iAcl         | 10ge2p1x520: 64B-1t1c-ethip4-ip4base-iacldstbase-pdrdisc        | 7.1       | 7.6       | 8.3       | 9%              |\r
-+-------------------+-----------------------------------------------------------------+-----------+-----------+-----------+-----------------+\r
-| IPv4 FIB 200k     | 10ge2p1x520: 64B-1t1c-ethip4-ip4scale200k-pdrdisc               | 8.5       | 9.0       | 9.7       | 8%              |\r
-+-------------------+-----------------------------------------------------------------+-----------+-----------+-----------+-----------------+\r
-| IPv4 FIB 20k      | 10ge2p1x520: 64B-1t1c-ethip4-ip4scale20k-pdrdisc                | 8.5       | 9.0       | 9.7       | 8%              |\r
-+-------------------+-----------------------------------------------------------------+-----------+-----------+-----------+-----------------+\r
-| IPv4 FIB 2M       | 10ge2p1x520: 64B-1t1c-ethip4-ip4scale2m-pdrdisc                 | 8.3       | 8.1       | 8.1       | 0%              |\r
-+-------------------+-----------------------------------------------------------------+-----------+-----------+-----------+-----------------+\r
-| IPv4 Policer      | 10ge2p1x520: 64B-1t1c-ethip4-ip4base-ipolicemarkbase-pdrdisc    | 7.1       | 7.4       | 8.1       | 9%              |\r
-+-------------------+-----------------------------------------------------------------+-----------+-----------+-----------+-----------------+\r
-| IPv6 FIB 200k     | 10ge2p1x520: 78B-1t1c-ethip6-ip6scale200k-pdrdisc               | 6.9       | 5.3       | 5.3       | 0%              |\r
-+-------------------+-----------------------------------------------------------------+-----------+-----------+-----------+-----------------+\r
-| IPv6 FIB 20k      | 10ge2p1x520: 78B-1t1c-ethip6-ip6scale20k-pdrdisc                | 6.9       | 6.5       | 6.9       | 6%              |\r
-+-------------------+-----------------------------------------------------------------+-----------+-----------+-----------+-----------------+\r
-\r
-Known Issues\r
-------------\r
-\r
-Here is the list of known issues in CSIT |release| for VPP performance tests:\r
-\r
-+---+-------------------------------------------------+------------+-----------------------------------------------------------------+\r
-| # | Issue                                           | Jira ID    | Description                                                     |\r
-+---+-------------------------------------------------+------------+-----------------------------------------------------------------+\r
-| 1 | NDR discovery test failures 1518B frame size    | VPP-663    | VPP reporting errors: dpdk-input Rx ip checksum errors.         |\r
-|   | for ip4scale200k, ip4scale2m scale IPv4 routed- |            | Observed frequency: all test runs.                              |\r
-|   | forwarding tests. ip4scale20k tests are fine.   |            |                                                                 |\r
-+---+-------------------------------------------------+------------+-----------------------------------------------------------------+\r
-| 2 | Vic1385 and Vic1227 low performance.            | VPP-664    | Low NDR performance.                                            |\r
-|   |                                                 |            |                                                                 |\r
-+---+-------------------------------------------------+------------+-----------------------------------------------------------------+\r
-| 3 | Sporadic NDR discovery test failures on x520.   | CSIT-750   | Suspected issue with HW settings (BIOS, FW) in LF               |\r
-|   |                                                 |            | infrastructure. Issue can't be replicated outside LF.           |\r
-+---+-------------------------------------------------+------------+-----------------------------------------------------------------+\r
-| 4 | VPP in 2t2c setups - large variation            | CSIT-568   | Suspected NIC firmware or DPDK driver issue affecting NDR       |\r
-|   | of discovered NDR throughput values across      |            | throughput. Applies to XL710 and X710 NICs, x520 NICs are fine. |\r
-|   | multiple test runs with xl710 and x710 NICs.    |            |                                                                 |\r
-+---+-------------------------------------------------+------------+-----------------------------------------------------------------+\r
-| 5 | Lower than expected NDR and PDR throughput with | CSIT-569   | Suspected NIC firmware or DPDK driver issue affecting NDR and   |\r
-|   | xl710 and x710 NICs, compared to x520 NICs.     |            | PDR throughput. Applies to XL710 and X710 NICs.                 |\r
-+---+-------------------------------------------------+------------+-----------------------------------------------------------------+\r
-\r
+.. _vpp_performance_tests_release_notes:
+
+Release Notes
+=============
+
+Changes in |csit-release|
+-------------------------
+
+#. VPP PERFORMANCE TESTS
+
+   - **Regressions with DPDK drivers**: Change from DPDK v21.08 to DPDK
+     v21.11 introduced regression across all tests using dpdk
+     drivers (with dpdk_plugin loaded). Compared to previous VPP
+     release performance drop varies in the range of -15% to -6%,
+     depending on test. It is related to updated MTU checks within
+     DPDK code and associated VPP code changes. See
+     `VPP v2202 release notes <https://s3-docs.fd.io/vpp/22.02/aboutvpp/releasenotes/v22.02.html>`_
+     and :ref:`vpp_known_issues`.
+
+   - **Number of CSIT 9000B frame tests failing**: tests with higher
+     encapsulation overhead are failing due to exceeding default
+     Ethernet Maximum Frame Size value that has been reduced by MTU
+     related VPP code changes. See
+     `VPP v2202 release notes <https://s3-docs.fd.io/vpp/22.02/aboutvpp/releasenotes/v22.02.html>`_
+     and :ref:`vpp_known_issues`.
+
+   - **Intel Xeon Ice Lake**: Performance test data for these platforms
+     is now provided by testbeds newly installed in FD.io CSIT labs.
+     For details about the physical setup see
+     :ref:`physical_testbeds_2n_icx` and
+     :ref:`physical_testbeds_3n_icx`.
+
+   - **Arm Ampere Altra**: Performance test data for these platforms
+     is now provided by testbeds newly installed in FD.io CSIT labs.
+     For details about the physical setup see
+     :ref:`physical_testbeds_3n_alt`.
+
+   - **Reduction of tests**: Removed certain test variations executed
+     iteratively for the report (as well as in daily and weekly
+     trending) due to physical testbeds overload.
+
+   - **RC2 coverage test data is used for 2n-icx test bed**: There is only
+     one 2n-icx test bed and the amount of tests is large (same as 2n-skx with 4
+     test beds), so we decided to use test data already available from RC2
+     testing.
+
+#. TEST FRAMEWORK
+
+   - **CSIT test environment** version has been updated to ver. 10, see
+     :ref:`test_environment_versioning`.
+
+   - **CSIT PAPI support**: Due to issues with PAPI performance, and
+     deprecation of VAT, VPP CLI is used in CSIT for many VPP scale
+     tests. See :ref:`vpp_known_issues`.
+
+   - **General Code Housekeeping**: Ongoing code optimizations and bug
+     fixes.
+
+#. PRESENTATION AND ANALYTICS LAYER
+
+   - **Graphs improvements**: Updated Packet Latency graphs,
+     see :ref:`latency_methodology`.
+
+.. raw:: latex
+
+    \clearpage
+
+.. _vpp_known_issues:
+
+Known Issues
+------------
+
+New
+___
+
++----+-----------------------------------------+-----------------------------------------------------------------------------------------------------------+
+|  # | JiraID                                  | Issue Description                                                                                         |
++====+=========================================+===========================================================================================================+
+|  1 | `CSIT-1799                              | All NAT44-ED 16M scale tests fail while setting NAT44 address range.                                      |
+|    | <https://jira.fd.io/browse/CSIT-1799>`_ |                                                                                                           |
++----+-----------------------------------------+-----------------------------------------------------------------------------------------------------------+
+|  2 | `CSIT-1800                              | All Geneve L3 mode scale tests (1024 tunnels) are failing.                                                |
+|    | <https://jira.fd.io/browse/CSIT-1800>`_ |                                                                                                           |
++----+-----------------------------------------+-----------------------------------------------------------------------------------------------------------+
+|  3 | `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).                                                                                                    |
++----+-----------------------------------------+-----------------------------------------------------------------------------------------------------------+
+|  4 | `CSIT-1808                              | All tests with 9000B payload frames not forwarded over memif interfaces.                                  |
+|    | <https://jira.fd.io/browse/CSIT-1808>`_ |                                                                                                           |
++----+-----------------------------------------+-----------------------------------------------------------------------------------------------------------+
+|  5 | `CSIT-1809                              | All tests with 9000B payload frames not forwarded over vhostuser interfaces.                              |
+|    | <https://jira.fd.io/browse/CSIT-1809>`_ |                                                                                                           |
++----+-----------------------------------------+-----------------------------------------------------------------------------------------------------------+
+|  6 | `CSIT-1802                              | AF-XDP - NDR tests failing from time to time.                                                             |
+|    | <https://jira.fd.io/browse/CSIT-1802>`_ |                                                                                                           |
++----+-----------------------------------------+-----------------------------------------------------------------------------------------------------------+
+|  7 | `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>`_ |                                                                                                           |
++----+-----------------------------------------+-----------------------------------------------------------------------------------------------------------+
+|  8 | `CSIT-1804                              | 3n-tsh testbed (Taishan): NDR tests failing from time to time.                                            |
+|    | <https://jira.fd.io/browse/CSIT-1804>`_ |                                                                                                           |
++----+-----------------------------------------+-----------------------------------------------------------------------------------------------------------+
+|  9 | `CSIT-1805                              | 3n-skx testbeds (Skylake): all hoststack quic vppecho scale tests are failing.                            |
+|    | <https://jira.fd.io/browse/CSIT-1805>`_ |                                                                                                           |
++----+-----------------------------------------+-----------------------------------------------------------------------------------------------------------+
+| 10 | `CSIT-1810                              | DPDK - performance regression with DPDK driver when Max Frame Size is set to less than 2023.              |
+|    | <https://jira.fd.io/browse/CSIT-1810>`_ |                                                                                                           |
+|    +-----------------------------------------+                                                                                                           |
+|    | `VPP-1876                               | Worse performance with DPDK driver when MTU is set to 2022 or less.                                       |
+|    | <https://jira.fd.io/browse/VPP-1876>`_  |                                                                                                           |
++----+-----------------------------------------+-----------------------------------------------------------------------------------------------------------+
+| 11 | `CSIT-1811                              | All 9000B NAT44DET 64k 1m scale tests fail due to bps rate set to high on TRex.                           |
+|    | <https://jira.fd.io/browse/CSIT-1811>`_ |                                                                                                           |
++----+-----------------------------------------+-----------------------------------------------------------------------------------------------------------+
+| 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>`_ |                                                                                                           |
++----+-----------------------------------------+-----------------------------------------------------------------------------------------------------------+
+
+
+Previous
+________
+
+Issues reported in previous releases which still affect the current results.
+
++----+-----------------------------------------+-----------------------------------------------------------------------------------------------------------+
+|  # | JiraID                                  | Issue Description                                                                                         |
++====+=========================================+===========================================================================================================+
+|  1 | `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.                         |
++----+-----------------------------------------+-----------------------------------------------------------------------------------------------------------+
+|  2 | `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.                                       |
++----+-----------------------------------------+-----------------------------------------------------------------------------------------------------------+
+|  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-1791                              | Performance regression in RDMA tests, due to CSIT environment changes.                                    |
+|    | <https://jira.fd.io/browse/CSIT-1791>`_ | Two symptoms: 1. 10-20% regression across most tests. 2. DUT performance cap just below 38 Mpps.          |
++----+-----------------------------------------+-----------------------------------------------------------------------------------------------------------+
+
+Fixed
+_____
+
+Issues reported in previous releases which were fixed in this release:
+
++----+-----------------------------------------+-----------------------------------------------------------------------------------------------------------+
+|  # | JiraID                                  | Issue Description                                                                                         |
++====+=========================================+===========================================================================================================+
+|  1 | `CSIT-1789                              | IPSEC SW async scheduler tests show bad behavior.                                                         |
+|    | <https://jira.fd.io/browse/CSIT-1789>`_ | VPP code is not behaving correctly when crypto workers are the bottleneck.                                |
+|    +-----------------------------------------+                                                                                                           |
+|    | `VPP-1998                               |                                                                                                           |
+|    | <https://jira.fd.io/browse/VPP-1998>`_  |                                                                                                           |
++----+-----------------------------------------+-----------------------------------------------------------------------------------------------------------+
+
+Root Cause Analysis for Performance Changes
+-------------------------------------------
+
+List of RCAs in |csit-release| for VPP performance changes:
+
++----+-----------------------------------------+--------------------------------------------------------------+
+|  # | JiraID                                  | Issue Description                                            |
++====+=========================================+==============================================================+
+|  1 | `CSIT-1814                              | rls2202 regression: NAT44ED CPS larger scales.               |
+|    | <https://jira.fd.io/browse/CSIT-1814>`_ |                                                              |
++----+-----------------------------------------+--------------------------------------------------------------+
+|  2 | `CSIT-1815                              | rls2202 regression: l2bdbasemaclrn around 2021-11-11.        |
+|    | <https://jira.fd.io/browse/CSIT-1815>`_ |                                                              |
++----+-----------------------------------------+--------------------------------------------------------------+
+|  3 | `CSIT-1816                              | rls2202 regression: l2-input.                                |
+|    | <https://jira.fd.io/browse/CSIT-1816>`_ |                                                              |
++----+-----------------------------------------+--------------------------------------------------------------+
+|  4 | `CSIT-1820                              | rls2202 regression: tx2 ip6base at dpdk upgrade.             |
+|    | <https://jira.fd.io/browse/CSIT-1820>`_ |                                                              |
++----+-----------------------------------------+--------------------------------------------------------------+
+|  5 | `CSIT-1821                              | rls2202 regression: tx2 ip6base before dpdk upgrade.         |
+|    | <https://jira.fd.io/browse/CSIT-1821>`_ |                                                              |
++----+-----------------------------------------+--------------------------------------------------------------+
+|  6 | `CSIT-1822                              | rls2202 regression: avf-ip4base around 2022-01-06.           |
+|    | <https://jira.fd.io/browse/CSIT-1822>`_ |                                                              |
++----+-----------------------------------------+--------------------------------------------------------------+
+|  7 | `CSIT-1823                              | rls2202 regression: vxlan-l2xcbase on tsh around 2022-01-07. |
+|    | <https://jira.fd.io/browse/CSIT-1823>`_ |                                                              |
++----+-----------------------------------------+--------------------------------------------------------------+
+|  8 | `CSIT-1824                              | rls2202 regression: SRv6.                                    |
+|    | <https://jira.fd.io/browse/CSIT-1824>`_ |                                                              |
++----+-----------------------------------------+--------------------------------------------------------------+