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=d02fad843bf13939050ccb3bb30be038f0876c5f;hp=4f986ebd246a3a955e534d0f523306309907be05;hb=22b17b22dc8245d1c649f7cd56fae946b49c9665;hpb=7e22de2de8ef461b56d2b76f99601aa63814173b diff --git a/docs/report/vpp_performance_tests/csit_release_notes.rst b/docs/report/vpp_performance_tests/csit_release_notes.rst index 4f986ebd24..d02fad843b 100644 --- a/docs/report/vpp_performance_tests/csit_release_notes.rst +++ b/docs/report/vpp_performance_tests/csit_release_notes.rst @@ -8,13 +8,27 @@ Changes in |csit-release| #. VPP PERFORMANCE TESTS - - **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`. + - **Regressions with DPDK drivers**: Change from DPDK v21.08 to DPDK + v21.11 introduced regression across all tests using dpdk + drivers (with dpdk_plugin loaded). Compared to previous VPP + release performance drop varies in the range of -15% to -6%, + depending on test. It is related to updated MTU checks within + DPDK code and associated VPP code changes. See + `VPP v2202 release notes `_ + and :ref:`vpp_known_issues`. + + - **Number of CSIT 9000B frame tests failing**: tests with higher + encapsulation overhead are failing due to exceeding default + Ethernet Maximum Frame Size value that has been reduced by MTU + related VPP code changes. See + `VPP v2202 release notes `_ + and :ref:`vpp_known_issues`. - - **AWS EC2 c5n**: Performance test data for AWS c5n instances has - been added to report for ip4, ip6 and ipsec tests. + - **Intel Xeon Ice Lake**: Performance test data for these platforms + is now provided by testbeds newly installed in FD.io CSIT labs. + For details about the physical setup see + :ref:`physical_testbeds_2n_icx` and + :ref:`physical_testbeds_3n_icx`. - **Reduction of tests**: Removed certain test variations executed iteratively for the report (as well as in daily and weekly @@ -22,16 +36,12 @@ Changes in |csit-release| #. TEST FRAMEWORK - - **CSIT test environment** version has been updated to ver. 8, see + - **CSIT test environment** version has been updated to ver. 9, see :ref:`test_environment_versioning`. - - **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, and - deprecation of VAT, CLI is used in CSIT for many VPP scale tests. - See known issues below. + deprecation of VAT, VPP CLI is used in CSIT for many VPP scale + tests. See :ref:`vpp_known_issues`. - **General Code Housekeeping**: Ongoing code optimizations and bug fixes. @@ -50,47 +60,111 @@ Changes in |csit-release| Known Issues ------------ -List of known issues in |csit-release| for VPP performance tests: +New +___ +----+-----------------------------------------+-----------------------------------------------------------------------------------------------------------+ -| # | JiraID | Issue Description | +| # | JiraID | Issue Description | +====+=========================================+===========================================================================================================+ -| 1 | `CSIT-1782 | Multicore AVF tests are failing when trying to create interface. The issue persists after FVL FW upgrade. | -| | `_ | | +| 1 | `CSIT-1799 | All NAT44-ED 16M scale tests fail while setting NAT44 address range. | +| | `_ | | +----+-----------------------------------------+-----------------------------------------------------------------------------------------------------------+ -| 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. | +| 2 | `CSIT-1800 | All Geneve L3 mode scale tests (1024 tunnels) are failing. | +| | `_ | | +----+-----------------------------------------+-----------------------------------------------------------------------------------------------------------+ -| 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. | +| 3 | `CSIT-1801 | 9000B payload frames not forwarded over tunnels due to violating supported Max Frame Size (VxLAN, LISP, | +| | `_ | SRv6). | ++----+-----------------------------------------+-----------------------------------------------------------------------------------------------------------+ +| 4 | `CSIT-1808 | All tests with 9000B payload frames not forwarded over memif interfaces. | +| | `_ | | ++----+-----------------------------------------+-----------------------------------------------------------------------------------------------------------+ +| 5 | `CSIT-1809 | All tests with 9000B payload frames not forwarded over vhostuser interfaces. | +| | `_ | | ++----+-----------------------------------------+-----------------------------------------------------------------------------------------------------------+ +| 6 | `CSIT-1802 | AF-XDP - NDR tests failing from time to time. | +| | `_ | | ++----+-----------------------------------------+-----------------------------------------------------------------------------------------------------------+ +| 7 | `CSIT-1803 | 3n-icx testbeds (Icelake): all IMIX aes128cbc-hmac512sha tests are failing due to excessive packet loss. | +| | `_ | | +----+-----------------------------------------+-----------------------------------------------------------------------------------------------------------+ -| 4 | `CSIT-1789 | AVF driver does not perform RSS in a deterministic way. | -| | `_ | This increases standard deviation of tests with small number of flows (mainly ipsec). | +| 8 | `CSIT-1804 | 3n-tsh testbed (Taishan): NDR tests failing from time to time. | +| | `_ | | +----+-----------------------------------------+-----------------------------------------------------------------------------------------------------------+ -| 5 | `CSIT-1780 | IPSEC SW async scheduler MRR tests failing with no traffic forwarded. | -| | `_ | | +| 9 | `CSIT-1805 | 3n-skx testbeds (Skylake): all hoststack quic vppecho scale tests are failing. | +| | `_ | | +----+-----------------------------------------+-----------------------------------------------------------------------------------------------------------+ -| 6 | `CSIT-1786 | IP4 and IP6 scale tests failing with no traffic forwarded. | -| | `_ | Issue reported to VPP devs. | +| 10 | `CSIT-1806 | 3n-skx testbeds (Skylake): all LISP ip6-ip6 tests are failing due to 100% drops in one direction. | +| | `_ | | +----+-----------------------------------------+-----------------------------------------------------------------------------------------------------------+ -| 7 | `CSIT-1785 | NAT44ED tests failing to establish all TCP sessions. | -| | `_ | | +| 11 | `CSIT-1810 | DPDK - performance regression with DPDK driver when Max Frame Size is set to less than 2023. | +| | `_ | | +| +-----------------------------------------+ | +| | `VPP-1876 | Worse performance with DPDK driver when MTU is set to 2022 or less. | +| | `_ | | +----+-----------------------------------------+-----------------------------------------------------------------------------------------------------------+ -| 8 | `CSIT-1791 | Performance regression in RDMA tests, due to CSIT environment changes. | -| | `_ | | +| 12 | `CSIT-1811 | All 9000B NAT44DET tests fail due to bps (pps) rate set to high on TRex. | +| | `_ | | ++----+-----------------------------------------+-----------------------------------------------------------------------------------------------------------+ +| 13 | `CSIT-1812 | All IMIX NAT44DET 4m 16m scale tests fail due to not creating required session count. | +| | `_ | | +----+-----------------------------------------+-----------------------------------------------------------------------------------------------------------+ -Root Cause Analysis for Performance Changes -------------------------------------------- -List of RCAs in |csit-release| for VPP performance changes: +Previous +________ + +Issues reported in previous releases which still affect the current results. +----+-----------------------------------------+-----------------------------------------------------------------------------------------------------------+ -| # | JiraID | Issue Description | +| # | JiraID | Issue Description | +====+=========================================+===========================================================================================================+ -| 1 | `VPP-1972 | One VPP change has decreased performance of NAT44ed processing, mostly slow path. | +| 3 | `CSIT-1782 | Multicore AVF tests are failing when trying to create interface. | +| | `_ | Frequency is reduced by 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. | +| +-----------------------------------------+ | +| | `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. | ++----+-----------------------------------------+-----------------------------------------------------------------------------------------------------------+ + +Fixed +_____ + +Issues reported in previous releases which were fixed in this release: + ++----+-----------------------------------------+-----------------------------------------------------------------------------------------------------------+ +| # | JiraID | Issue Description | ++====+=========================================+===========================================================================================================+ +| 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. | ++----+-----------------------------------------+-----------------------------------------------------------------------------------------------------------+ + +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. | ++----+-----------------------------------------+------------------------------------------------------------+