X-Git-Url: https://gerrit.fd.io/r/gitweb?a=blobdiff_plain;f=docs%2Freport%2Fvpp_performance_tests%2Fcsit_release_notes.rst;h=b057af187ef17d5fc544bb0b4c8eceafecd56a49;hb=3110a6a982012a90b1b8e02c552894824a2ab568;hp=a0777918dab821374b22756600aa76c87436bb9b;hpb=f85930d7b1e3cda191a2e60cbc4e64d93c5fd139;p=csit.git diff --git a/docs/report/vpp_performance_tests/csit_release_notes.rst b/docs/report/vpp_performance_tests/csit_release_notes.rst index a0777918da..b057af187e 100644 --- a/docs/report/vpp_performance_tests/csit_release_notes.rst +++ b/docs/report/vpp_performance_tests/csit_release_notes.rst @@ -8,34 +8,33 @@ Changes in |csit-release| #. VPP PERFORMANCE TESTS - - CSIT test environment is versioned, see - :ref:`test_environment_versioning`. - - - **Upgrade to Ubuntu 20.04 LTS**: Reinstall base operating system to - Ubuntu 20.04.2 LTS. Upgrade includes also baseline Docker - containers used for spawning topology. + - **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`. - - Initial test data for Intel Xeon Ice Lake platforms. Current - CSIT-2106 report data for Intel Xeon Ice Lake comes from an - external source (Intel labs running CSIT code on 8360Y D Stepping - and 6338N processors). For detail about the physical setup - see :ref:`tested_physical_topologies`. Tested VPP and CSIT - versions are pre-release, VPP 21.06-rc0~779-gd640ae52f. + - **AWS EC2 c5n**: Performance test data for AWS c5n instances has + been added to report for ip4, ip6 and ipsec tests. - - **AF_XDP**: Added af_xdp driver testing for all testcases. + - **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. - - **GTPU tunnel**: Added GTPU HW Offload IPv4 routing tests. +#. TEST FRAMEWORK - - **Telemetry retouch**: Redesign telemetry retrieval from DUT. - Include VPP perfmon plugin telemetry. + - **CSIT test environment** version has been updated to ver. 8, see + :ref:`test_environment_versioning`. -#. TEST FRAMEWORK + - **CSIT in AWS environment**: Completed CSIT automation support for + AWS c5n instances environment, including weekly performance + trending tests execution. - - **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 @@ -51,32 +50,68 @@ 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 | +====+=========================================+===========================================================================================================+ -| 1 | `CSIT-1782 | Multicore AVF tests are failing when trying to create interface. | -| | `_ | | +----+-----------------------------------------+-----------------------------------------------------------------------------------------------------------+ -| 2 | `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. | +| 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. | +----+-----------------------------------------+-----------------------------------------------------------------------------------------------------------+ -| 3 | `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. | +| 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. | +----+-----------------------------------------+-----------------------------------------------------------------------------------------------------------+ -Root Cause Analysis for Performance Changes -------------------------------------------- +Old +___ -List of RCAs in |csit-release| for VPP performance changes: +Issues reported in previous releases which still affect the current results. +----+-----------------------------------------+-----------------------------------------------------------------------------------------------------------+ | # | JiraID | Issue Description | +====+=========================================+===========================================================================================================+ -| 1 | `VPP-1972 | One VPP change has decreased performance of NAT44ed processing, both slow path and fast path. | +| 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. | +| +-----------------------------------------+ 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. | | | `_ | | +----+-----------------------------------------+-----------------------------------------------------------------------------------------------------------+ +| 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 | ++====+=========================================+============================================================+ +| 0 | | To be updated when descriptions in Jira tickets are ready. | ++----+-----------------------------------------+------------------------------------------------------------+