docs/report/vpp_performance_tests/csit_release_notes.rst

   1 .. _vpp_performance_tests_release_notes:
   2
   3 Release Notes
   4 =============
   5
   6 Changes in |csit-release|
   7 -------------------------
   8
   9 #. VPP PERFORMANCE TESTS
  10
  11    - **Intel Xeon Ice Lake**: Performance test data for these platforms
  12      continues to be provided by external Intel benchmarking labs
  13      executing |csit-release| tests. For details about the physical
  14      setup see :ref:`tested_physical_topologies`.
  15
  16    - **AWS EC2 c5n**: Performance test data for AWS c5n instances has
  17      been added to report for ip4, ip6 and ipsec tests.
  18
  19    - **Reduction of tests**: Removed certain test variations executed
  20      iteratively for the report (as well as in daily and weekly
  21      trending) due to physical testbeds overload.
  22
  23 #. TEST FRAMEWORK
  24
  25    - **CSIT test environment** version has been updated to ver. 8, see
  26      :ref:`test_environment_versioning`.
  27
  28    - **CSIT in AWS environment**: Completed CSIT automation support for
  29      AWS c5n instances environment, including weekly performance
  30      trending tests execution.
  31
  32    - **CSIT PAPI support**: Due to issues with PAPI performance, and
  33      deprecation of VAT, CLI is used in CSIT for many VPP scale tests.
  34      See known issues below.
  35
  36    - **General Code Housekeeping**: Ongoing code optimizations and bug
  37      fixes.
  38
  39 #. PRESENTATION AND ANALYTICS LAYER
  40
  41    - **Graphs improvements**: Updated Packet Latency graphs,
  42      see :ref:`latency_methodology`.
  43
  44 .. raw:: latex
  45
  46     \clearpage
  47
  48 .. _vpp_known_issues:
  49
  50 Known Issues
  51 ------------
  52
  53 Fixed
  54 _____
  55
  56 Issues reported in previous releases which were fixed in this release:
  57
  58 +----+-----------------------------------------+-----------------------------------------------------------------------------------------------------------+
  59 |  # | JiraID                                  | Issue Description                                                                                         |
  60 +====+=========================================+===========================================================================================================+
  61 |  1 | `CSIT-1789                              | AVF driver does not perform RSS in a deterministic way.                                                   |
  62 |    | <https://jira.fd.io/browse/CSIT-1789>`_ | VPP now uses the same RSS key with AVF driver as with DPDK driver.                                        |
  63 +----+-----------------------------------------+-----------------------------------------------------------------------------------------------------------+
  64 |  2 | `CSIT-1786                              | IP4 and IP6 scale tests failing with no traffic forwarded.                                                |
  65 |    | <https://jira.fd.io/browse/CSIT-1786>`_ | CSIT replaced the old single VAT command by file full of "exec" CLI commands executed by VAT.             |
  66 +----+-----------------------------------------+-----------------------------------------------------------------------------------------------------------+
  67
  68 Old
  69 ___
  70
  71 Issues reported in previous releases which still affect the current results.
  72
  73 +----+-----------------------------------------+-----------------------------------------------------------------------------------------------------------+
  74 |  # | JiraID                                  | Issue Description                                                                                         |
  75 +====+=========================================+===========================================================================================================+
  76 |  3 | `CSIT-1782                              | Multicore AVF tests are failing when trying to create interface.                                          |
  77 |    | <https://jira.fd.io/browse/CSIT-1782>`_ | Frequency is reduced by s CSIT workaround, but occasional failures do still happen.                       |
  78 +----+-----------------------------------------+-----------------------------------------------------------------------------------------------------------+
  79 |  4 | `CSIT-1671                              | All CSIT scale tests can not use PAPI due to much slower performance compared to VAT/CLI (it takes much   |
  80 |    | <https://jira.fd.io/browse/CSIT-1671>`_ | longer to program VPP). This needs to be addressed on the PAPI side.                                      |
  81 |    +-----------------------------------------+ Currently, the time critical code uses VAT running large files with exec statements and CLI commands.     |
  82 |    | `VPP-1763                               | Still, we needed to reduce the number of scale tests run to keep overall duration reasonable.             |
  83 |    | <https://jira.fd.io/browse/VPP-1763>`_  | More improvements needed to achieve sufficient configuration speed.                                       |
  84 +----+-----------------------------------------+-----------------------------------------------------------------------------------------------------------+
  85 |  5 | `CSIT-1789                              | IPSEC SW async scheduler tests show bad behavior.                                                         |
  86 |    | <https://jira.fd.io/browse/CSIT-1789>`_ | VPP code is not behaving correctly when crypto workers are the bottleneck.                                |
  87 |    +-----------------------------------------+                                                                                                           |
  88 |  5 | `VPP-1998                               |                                                                                                           |
  89 |    | <https://jira.fd.io/browse/VPP-1998>`_  |                                                                                                           |
  90 +----+-----------------------------------------+-----------------------------------------------------------------------------------------------------------+
  91 |  6 | `CSIT-1785                              | NAT44ED tests failing to establish all TCP sessions.                                                      |
  92 |    | <https://jira.fd.io/browse/CSIT-1785>`_ | At least for max scale, in allotted time (limited by session 500s timeout) due to worse                   |
  93 |    +-----------------------------------------+ slow path performance than previously measured and calibrated for.                                        |
  94 |    | `VPP-1972                               | CSIT removed the max scale NAT tests to avoid this issue.                                                 |
  95 |    | <https://jira.fd.io/browse/VPP-1972>`_  |                                                                                                           |
  96 +----+-----------------------------------------+-----------------------------------------------------------------------------------------------------------+
  97 |  7 | `CSIT-1791                              | Performance regression in RDMA tests, due to CSIT environment changes.                                    |
  98 |    | <https://jira.fd.io/browse/CSIT-1791>`_ | Two symptoms: 1. 10-20% regression across most tests. 2. DUT performance cap just below 38 Mpps.          |
  99 +----+-----------------------------------------+-----------------------------------------------------------------------------------------------------------+
 100
 101 New
 102 ___
 103
 104 No new issues appeared in |csit-release| for VPP performance tests,
 105 except for the performance changes listed below.
 106
 107 Root Cause Analysis for Performance Changes
 108 -------------------------------------------
 109
 110 List of RCAs in |csit-release| for VPP performance changes:
 111
 112 +----+-----------------------------------------+------------------------------------------------------------+
 113 | #  | JiraID                                  | Issue Description                                          |
 114 +====+=========================================+============================================================+
 115 |  0 |                                         | To be updated when descriptions in Jira tickets are ready. |
 116 +----+-----------------------------------------+------------------------------------------------------------+