X-Git-Url: https://gerrit.fd.io/r/gitweb?p=csit.git;a=blobdiff_plain;f=docs%2Freport%2Fvpp_performance_tests%2Fcsit_release_notes.rst;h=ae0c020bcc57d27d6d0e643d4c455f2405165135;hp=b04762765626eb681df26caa85baece1d242cacc;hb=ed72f828240f6184b38c38f8ccd078308c9cdfb9;hpb=059ccad48e2ba56ef1922e54df01d6ba0cd5daa2 diff --git a/docs/report/vpp_performance_tests/csit_release_notes.rst b/docs/report/vpp_performance_tests/csit_release_notes.rst index b047627656..ae0c020bcc 100644 --- a/docs/report/vpp_performance_tests/csit_release_notes.rst +++ b/docs/report/vpp_performance_tests/csit_release_notes.rst @@ -1,3 +1,5 @@ +.. _vpp_performance_tests_release_notes: + Release Notes ============= @@ -6,41 +8,26 @@ Changes in |csit-release| #. VPP PERFORMANCE TESTS - - CSIT test environment is versioned, see - :ref:`test_environment_versioning`. - - - **GENEVE tests**: Added VPP performance tests for GENEVE tunnels. - - - See :ref:`geneve_methodology` for more details. - - - **NAT44 tests**: Added new test type, pure throughput tests. - They are similar to PPS tests, but they employ ramp-up trials - to ensure all sessions are created (and not timing out) - for performance trials. - - - **Jumbo for ipsec**: Test cases with 9000 byte frames are re-enabled - in ipsec suites. + - **Intel Xeon Ice Lake**: Performance test data for these platforms + continues to be provided by external Intel benchmarking labs + executing |csit-release| tests. For details about the physical + setup see :ref:`tested_physical_topologies`. - - **Randomized profiles**: Improved repeatability and cycle length. - For details, see :ref:`packet_flow_ordering`. - - - **AMD 2n-tx2 testbed**: New physical testbed type installed in - FD.io CSIT, with VPP and DPDK performance data added to CSIT - trending and this report. - - - **Framework speedup**: Shortened overall test job duration - by using a different test selection mechanism (using --test - instead of --include) and by avoiding unnecessary PAPI reconnects. + - **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. #. TEST FRAMEWORK - - **TRex ASTF**: Improved capability to run TRex in advanced stateful mode. + - **CSIT test environment** version has been updated to ver. 9, see + :ref:`test_environment_versioning`. - - **CSIT PAPI support**: Due to issues with PAPI performance, VAT is - still used in CSIT for all VPP scale tests. See known issues below. + - **CSIT PAPI support**: Due to issues with PAPI performance, and + deprecation of VAT, CLI is used in CSIT for many VPP scale tests. + See known issues below. - - **General Code Housekeeping**: Ongoing code optimizations, - speed ups and bug fixes. + - **General Code Housekeeping**: Ongoing code optimizations and bug + fixes. #. PRESENTATION AND ANALYTICS LAYER @@ -56,42 +43,67 @@ Changes in |csit-release| Known Issues ------------ -List of known issues in |csit-release| for VPP performance tests: +Fixed +_____ + +Issues reported in previous releases which were fixed in this release: +----+-----------------------------------------+-----------------------------------------------------------------------------------------------------------+ -| # | JiraID | Issue Description | +| # | JiraID | Issue Description | +====+=========================================+===========================================================================================================+ -| 1 | `CSIT-570 | Sporadic (1 in 200) NDR discovery test failures on x520. DPDK reporting rx-errors, indicating L1 issue. | -| | `_ | Suspected issue with HW combination of X710-X520 in LF testbeds. Not observed outside of LF testbeds. | +| 1 | `CSIT-1789 | AVF driver does not perform RSS in a deterministic way. | +| | `_ | VPP now uses the same RSS key with AVF driver as with DPDK driver. | ++----+-----------------------------------------+-----------------------------------------------------------------------------------------------------------+ +| 2 | `CSIT-1786 | IP4 and IP6 scale tests failing with no traffic forwarded. | +| | `_ | CSIT replaced the old single VAT command by file full of "exec" CLI commands executed by VAT. | +----+-----------------------------------------+-----------------------------------------------------------------------------------------------------------+ -| 2 | `VPP-662 | 9000B packets not supported by NICs VIC1227 and VIC1387. | -| | `_ | | + +Old +___ + +Issues reported in previous releases which still affect the current results. + +----+-----------------------------------------+-----------------------------------------------------------------------------------------------------------+ -| 3 | `CSIT-1763 | Adapt ramp-up phase of nat44 tests for different frame sizes. | -| | `_ | Currently ramp-up phase rate and duration values are correctly set for tests with 64B frame size. | +| # | JiraID | Issue Description | ++====+=========================================+===========================================================================================================+ +| 3 | `CSIT-1782 | Multicore AVF tests are failing when trying to create interface. | +| | `_ | Frequency is reduced by s CSIT workaround, but occasional failures do still happen. | +----+-----------------------------------------+-----------------------------------------------------------------------------------------------------------+ | 4 | `CSIT-1671 | All CSIT scale tests can not use PAPI due to much slower performance compared to VAT/CLI (it takes much | | | `_ | longer to program VPP). This needs to be addressed on the PAPI side. | -| +-----------------------------------------+ The usual PAPI library spends too much time parsing arguments, so even with async processing (hundreds of | -| | `VPP-1763 | commands in flight over socket), the VPP configuration for large scale tests (millions of messages) takes | -| | `_ | too long. | +| +-----------------------------------------+ 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. | +| | `_ | More improvements needed to achieve sufficient configuration speed. | ++----+-----------------------------------------+-----------------------------------------------------------------------------------------------------------+ +| 5 | `CSIT-1789 | IPSEC SW async scheduler tests show bad behavior. | +| | `_ | VPP code is not behaving correctly when crypto workers are the bottleneck. | +| +-----------------------------------------+ | +| 5 | `VPP-1998 | | +| | `_ | | ++----+-----------------------------------------+-----------------------------------------------------------------------------------------------------------+ +| 6 | `CSIT-1785 | NAT44ED tests failing to establish all TCP sessions. | +| | `_ | 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. | +| | `_ | | +----+-----------------------------------------+-----------------------------------------------------------------------------------------------------------+ -| 5 | `VPP-1934 | [i40e] Interfaces are not brought up from carrier-down. | -| | `_ | In case of i40e -based interface (e.g Intel x700 series NIC) is bound to kernel driver (i40e) and is in | -| | | state "no-carrier" () because previously it was disabled via | -| | | "I40E_AQ_PHY_LINK_ENABLED" call, then VPP during initialization of AVF interface is not re-enabling | -| | | interface link via i40e driver to up. | -| | | CSIT implemented `workaround for AVF interface `_ until fixed. | +| 7 | `CSIT-1791 | Performance regression in RDMA tests, due to CSIT environment changes. | +| | `_ | Two symptoms: 1. 10-20% regression across most tests. 2. DUT performance cap just below 38 Mpps. | +----+-----------------------------------------+-----------------------------------------------------------------------------------------------------------+ +New +___ + +No new issues appeared in |csit-release| for VPP performance tests, +except for the performance changes listed below. + Root Cause Analysis for Performance Changes ------------------------------------------- List of RCAs in |csit-release| for VPP performance changes: -+----+-----------------------------------------+-----------------------------------------------------------------------------------------------------------+ -| # | JiraID | Issue Description | -+====+=========================================+===========================================================================================================+ -| 1 | `VPP-1972 | One VPP change has decreased performance of NAT44ed processing, both slow path and fast path. | -| | ` | | -+----+-----------------------------------------+-----------------------------------------------------------------------------------------------------------+ ++----+-----------------------------------------+------------------------------------------------------------+ +| # | JiraID | Issue Description | ++====+=========================================+============================================================+ +| 0 | | To be updated when descriptions in Jira tickets are ready. | ++----+-----------------------------------------+------------------------------------------------------------+