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Release Notes
=============
Changes in |csit-release|
-------------------------
#. VPP PERFORMANCE TESTS
- CSIT test environment is versioned, see
:ref:`test_environment_versioning`.
- To identify performance changes due to VPP code changes from
v20.01.0 to v20.05.0, both have been tested in CSIT environment
ver. 4 and compared against each other. All substantial
progressions has been marked up with RCA analysis. See
:ref:`vpp_compare_current_vs_previous_release` and
:ref:`vpp_known_issues`.
#. TEST FRAMEWORK
- **CSIT PAPI support**: Due to issues with PAPI performance, VAT is
still used in CSIT for all VPP scale tests. See known issues below.
- **General Code Housekeeping**: Ongoing RF keywords optimizations,
removal of redundant RF keywords and aligning of suite/test
setup/teardowns.
#. PRESENTATION AND ANALYTICS LAYER
- **Graphs layout improvements**: Improved performance graphs layout
for better readibility and maintenance: test grouping, axis
labels, descriptions, other informative decoration.
.. raw:: latex
\clearpage
.. _vpp_known_issues:
Known Issues
------------
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 | `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). |
+----+-----------------------------------------+-----------------------------------------------------------------------------------------------------------+
| 4 | `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>`_ | |
+----+-----------------------------------------+-----------------------------------------------------------------------------------------------------------+
| 5 | `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. |
+----+-----------------------------------------+-----------------------------------------------------------------------------------------------------------+
| 6 | `CSIT-1593 | IPv4 AVF 9000B packet tests are failing on 3n-skx while passing on 2n-skx. |
| | <https://jira.fd.io/browse/CSIT-1593>`_ | |
+----+-----------------------------------------+-----------------------------------------------------------------------------------------------------------+
| 7 | `CSIT-1679 | 2n-clx VPP ip4 tests with xxv710 and avf driver are sporadically failing. |
| | <https://jira.fd.io/browse/CSIT-1679>`_ | |
+----+-----------------------------------------+-----------------------------------------------------------------------------------------------------------+
Root Cause Analysis for Performance Changes
-------------------------------------------
List of RCAs in |csit-release| for VPP performance changes:
+----+-----------------------------------------+-----------------------------------------------------------------------------------------------------------+
| # | JiraID | Issue Description |
+====+=========================================+===========================================================================================================+
| 1 | `CSIT-1731 | Confirm the cause for ip4scale -rnd regressions. |
| | <https://jira.fd.io/browse/CSIT-1731>`_ | |
+----+-----------------------------------------+-----------------------------------------------------------------------------------------------------------+
| 2 | `CSIT-1735 | Identify cause of ethip6-ip6scale2m progression. |
| | <https://jira.fd.io/browse/CSIT-1735>`_ | |
+----+-----------------------------------------+-----------------------------------------------------------------------------------------------------------+
| 3 | `CSIT-1738 | Identify cause for vppl2xc CSIT progressions. |
| | <https://jira.fd.io/browse/CSIT-1738>`_ | |
+----+-----------------------------------------+-----------------------------------------------------------------------------------------------------------+
| 4 | `CSIT-1739 | Identify cause of ACL regressions. |
| | <https://jira.fd.io/browse/CSIT-1739>`_ | |
+----+-----------------------------------------+-----------------------------------------------------------------------------------------------------------+
| 5 | `CSIT-1740 | Identify cause for avf-eth-l2xcbase CSIT progression. |
| | <https://jira.fd.io/browse/CSIT-1740>`_ | |
+----+-----------------------------------------+-----------------------------------------------------------------------------------------------------------+
| 6 | `CSIT-1741 | Identify cause for vppl2xc VPP regressions. |
| | <https://jira.fd.io/browse/CSIT-1741>`_ | |
+----+-----------------------------------------+-----------------------------------------------------------------------------------------------------------+
| 7 | `CSIT-1742 | Identify cause of ipsec CSIT regression. |
| | <https://jira.fd.io/browse/CSIT-1742>`_ | |
+----+-----------------------------------------+-----------------------------------------------------------------------------------------------------------+
| 8 | `CSIT-1744 | Identify cause of memif VPP progression. |
| | <https://jira.fd.io/browse/CSIT-1744>`_ | |
+----+-----------------------------------------+-----------------------------------------------------------------------------------------------------------+
| 9 | `CSIT-1745 | Verify cause of l2bdscale10kmaclrn VPP progression. |
| | <https://jira.fd.io/browse/CSIT-1745>`_ | |
+----+-----------------------------------------+-----------------------------------------------------------------------------------------------------------+
| 10 | `CSIT-1746 | Identify cause for avf-dot1q-ip6base VPP progression. |
| | <https://jira.fd.io/browse/CSIT-1746>`_ | |
+----+-----------------------------------------+-----------------------------------------------------------------------------------------------------------+
| 11 | `CSIT-1747 | Identify cause of ip4base-nat44 VPP progression. |
| | <https://jira.fd.io/browse/CSIT-1747>`_ | |
+----+-----------------------------------------+-----------------------------------------------------------------------------------------------------------+
| 12 | `CSIT-1748 | Identify cause of aes128cbc-hmac512sha VPP progression. |
| | <https://jira.fd.io/browse/CSIT-1748>`_ | |
+----+-----------------------------------------+-----------------------------------------------------------------------------------------------------------+
| 13 | `CSIT-1749 | Identify cause for l2bdbasemaclrn VPP progression in tests with dpdk app in VM. |
| | <https://jira.fd.io/browse/CSIT-1749>`_ | |
+----+-----------------------------------------+-----------------------------------------------------------------------------------------------------------+
|