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diff --git a/docs/report/dpdk_performance_tests/csit_release_notes.rst b/docs/report/dpdk_performance_tests/csit_release_notes.rst index 681bbaea90..0c207e5a52 100644 --- a/docs/report/dpdk_performance_tests/csit_release_notes.rst +++ b/docs/report/dpdk_performance_tests/csit_release_notes.rst @@ -4,11 +4,67 @@ Release Notes Changes in |csit-release| ------------------------- +#. DPDK PERFORMANCE TESTS + + - **Intel Xeon 2n-skx, 3n-skx testbeds**: Testpmd and L3fwd + performance test data is not included in this report version. + This is due to the lower performance and behaviour inconsistency + of these systems following the upgrade of processor microcode + packages (skx ucode 0x2000064) as part of updating Ubuntu 18.04 + LTS kernel version. Tested VPP and DPDK applications (L3fwd) are + affected. Skx test data will be added in subsequent maintenance + report version(s) once the issue is resolved. See + :ref:`dpdk_known_issues`. + + - **Intel Xeon 2n-clx testbeds**: DPDK performance test data is now + included in this report, after resolving the issue of lower + performance and behaviour inconsistency of these systems due to + the Linux kernel driven upgrade of processor microcode packages + to 0x500002c. The resolution is to use latest SuperMicro BIOS 3.2 + (for X11DPG-QT motherboards used) that upgrades processor + microcode to 0x500002c, AND NOT kernel provided ucode package as + it does put THE system into sub-optimal state. + + #. DPDK RELEASE VERSION CHANGE - |csit-release| tested |dpdk-release|, as used by |vpp-release|. +#. TEST ENVIRONMENT + + - **TRex Fortville NIC Performance**: Received FVL fix from Intel + resolving TRex low throughput issue. TRex per FVL NIC throughput + increased from ~27 Mpps to the nominal ~37 Mpps. For detail see + `CSIT-1503 <https://jira.fd.io/browse/CSIT-1503>`_ and `TRex-519 + <https://trex-tgn.cisco.com/youtrack/issue/trex-519>`_]. + + - **New Intel Xeon Cascadelake Testbeds**: Added performance tests + for 2-Node-Cascadelake (2n-clx) testbeds with x710, xxv710 and + cx556a-edat NIC cards. + +.. + // Alternative Note for 1st Bullet when bad microcode Skx, Clx results are published + - **Intel Xeon 2n-skx, 3n-skx and 2n-clx testbeds**: Testpmd and + L3fwd performance test data is included in this report version, + but it shows lower performance and behaviour inconsistency of + these systems following the upgrade of processor microcode + packages (skx ucode 0x2000064, clx ucode 0x500002c) as part of + updating Ubuntu 18.04 LTS kernel version. Tested VPP and DPDK + applications (L3fwd) are affected. Skx and Clx test data will be + corrected in subsequent maintenance report version(s) once the + issue is resolved. See :ref:`vpp_known_issues`. + +.. _dpdk_known_issues: + Known Issues ------------ -No known issues. +List of known issues in |csit-release| for DPDK performance tests: + ++----+------------------------------------------+----------------------------------------------------------------------------------------------------------+ +| # | JiraID | Issue Description | ++====+==========================================+==========================================================================================================+ +| 1 | `CSIT-1675 | Intel Xeon 2n-skx, 3n-skx and 2n-clx testbeds behaviour and performance became inconsistent following | +| | <https://jira.fd.io/browse/CSIT-1675>`_ | the upgrade to the latest Ubuntu 18.04 LTS kernel version (4.15.0-72-generic) and associated microcode | +| | | packages (skx ucode 0x2000064, clx ucode 0x500002c). VPP as well as DPDK L3fwd tests are affected. | ++----+------------------------------------------+----------------------------------------------------------------------------------------------------------+ |