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=afb5b36bce4733dcad05bcc67dd150488fe9690b;hb=22b17b22dc8245d1c649f7cd56fae946b49c9665;hpb=cb66ecc82b7491823c837e2cefbf50984fcae594 diff --git a/docs/report/vpp_performance_tests/csit_release_notes.rst b/docs/report/vpp_performance_tests/csit_release_notes.rst index afb5b36bce..d02fad843b 100644 --- a/docs/report/vpp_performance_tests/csit_release_notes.rst +++ b/docs/report/vpp_performance_tests/csit_release_notes.rst @@ -1,163 +1,170 @@ -CSIT Release Notes -================== +.. _vpp_performance_tests_release_notes: -Changes in CSIT |release| -------------------------- - -#. **VPP performance tests** - - - *MRR tests* - New Maximum Receive Rate tests measure the packet - forwarding rate under the maximum load offered by traffic - generator over a set trial duration, regardless of packet loss. - MRR tests are used for continuous performance trending and for - comparison between releases. - - - *Service Chaining with SRv6* - New SRv6 (Segment Routing IPv6) proxy - tests measure performance of SRv6 Endpoint fronting SR-unaware - appliance via masquerading (End.AM), dynamic proxy (End.AD) or - static proxy (End.AS) SR functions. - -#. **Presentation and Analytics Layer** - - - *Performance trending* - Added continuous performance trending and - analysis. New Performance Trending and Performance Analysis jobs - executed regular throughput tests, with results being subsequently - analysed and trend and anomalies summarized and presented in VPP - Performance Dashboard and trendline graphs. - -#. **Test Framework Optimizations** - - - *Performance tests efficiency* - Qemu build/install optimizations, - warmup phase handling, vpp restart handling. Resulted in improved - stability and reduced total execution time by 30% for single pkt - size e.g. 64B/78B. - - - *General code housekeeping* - ongoing RF keywords optimizations, - removal of redundant RF keywords. - -Performance Changes -------------------- - -Relative performance changes in measured packet throughput in CSIT -|release| are calculated against the results from CSIT |release-1| -report. Listed mean and standard deviation values are computed based on -a series of the same tests executed against respective VPP releases to -verify test results repeatibility, with percentage change calculated for -mean values. Note that the standard deviation is quite high for a small -number of packet throughput tests, what indicates poor test results -repeatability and makes the relative change of mean throughput value not -fully representative for these tests. The root causes behind poor -results repeatibility vary between the test cases. +Release Notes +============= -NDR Changes -~~~~~~~~~~~ - -NDR small packet throughput changes between releases are available in a -CSV and pretty ASCII formats: - - - `csv format for 1t1c <../_static/vpp/performance-changes-ndr-1t1c-full.csv>`_, - - `csv format for 2t2c <../_static/vpp/performance-changes-ndr-2t2c-full.csv>`_, - - `pretty ASCII format for 1t1c <../_static/vpp/performance-changes-ndr-1t1c-full.txt>`_, - - `pretty ASCII format for 2t2c <../_static/vpp/performance-changes-ndr-2t2c-full.txt>`_. - -.. note:: - - Test results have been generated by - `FD.io test executor vpp performance jobs`_ with Robot Framework result - files csit-vpp-perf-|srelease|-\*.zip `archived here <../_static/archive/>`_. - -PDR Changes -~~~~~~~~~~~ - -NDR small packet throughput changes between releases are available in a -CSV and pretty ASCII formats: - - - `csv format for 1t1c <../_static/vpp/performance-changes-pdr-1t1c-full.csv>`_, - - `csv format for 2t2c <../_static/vpp/performance-changes-pdr-2t2c-full.csv>`_, - - `pretty ASCII format for 1t1c <../_static/vpp/performance-changes-pdr-1t1c-full.txt>`_, - - `pretty ASCII format for 2t2c <../_static/vpp/performance-changes-pdr-2t2c-full.txt>`_. - -.. note:: - - Test results have been generated by - `FD.io test executor vpp performance jobs`_ with Robot Framework result - files csit-vpp-perf-|srelease|-\*.zip `archived here <../_static/archive/>`_. - -MRR Changes -~~~~~~~~~~~ +Changes in |csit-release| +------------------------- -MRR small packet throughput changes between releases are available in a -CSV and pretty ASCII formats: +#. VPP PERFORMANCE TESTS - - `csv format for 1t1c <../_static/vpp/performance-changes-mrr-1t1c-full.csv>`_, - - `csv format for 2t2c <../_static/vpp/performance-changes-mrr-2t2c-full.csv>`_, - - `csv format for 4t4c <../_static/vpp/performance-changes-mrr-4t4c-full.csv>`_, - - `pretty ASCII format for 1t1c <../_static/vpp/performance-changes-mrr-1t1c-full.txt>`_, - - `pretty ASCII format for 2t2c <../_static/vpp/performance-changes-mrr-2t2c-full.txt>`_, - - `pretty ASCII format for 4t4c <../_static/vpp/performance-changes-mrr-4t4c-full.txt>`_. + - **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`. -.. note:: + - **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`. - Test results have been generated by - `FD.io test executor vpp mrr jobs `_ - with Robot Framework result files csit-vpp-perf-mrr-daily-master__*__output.xml.gz - `archived here `_. + - **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`. -Comparison Across Testbeds --------------------------- + - **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. -.. warning:: +#. TEST FRAMEWORK - TODO: Add: + - **CSIT test environment** version has been updated to ver. 9, see + :ref:`test_environment_versioning`. - Table 1. - Test Case 3-Node Hsw 3-Node Skx Skx vs. Hsw Delta [%] + - **CSIT PAPI support**: Due to issues with PAPI performance, and + deprecation of VAT, VPP CLI is used in CSIT for many VPP scale + tests. See :ref:`vpp_known_issues`. - Table 2. - Test Case 3-Node Skx 2-Node Skx 2-Node vs. 3-Node Delta [%] + - **General Code Housekeeping**: Ongoing code optimizations and bug + fixes. -Throughput Trending -------------------- +#. PRESENTATION AND ANALYTICS LAYER -In addition to reporting throughput changes between VPP releases, CSIT -provides continuous performance trending for VPP master branch: + - **Graphs improvements**: Updated Packet Latency graphs, + see :ref:`latency_methodology`. -#. `VPP Performance Dashboard `_ - - per VPP test case throughput trend, trend compliance and summary of - detected anomalies. +.. raw:: latex -#. `Trending Methodology `_ - - throughput test metrics, trend calculations and anomaly - classification (progression, regression, outlier). + \clearpage -#. `Trendline Graphs `_ - - per VPP build MRR throughput measurements against the trendline - with anomaly highlights, with associated CSIT test jobs. +.. _vpp_known_issues: Known Issues ------------ -List of known issues in CSIT |release| for VPP performance tests: - -+---+-------------------------------------------------+------------+-----------------------------------------------------------------+ -| # | Issue | Jira ID | Description | -+===+=================================================+============+=================================================================+ -| 1 | Sporadic (1 in 200) NDR discovery test failures | CSIT-570 | DPDK reporting rx-errors, indicating L1 issue. Suspected issue | -| | on x520. | | with HW combination of X710-X520 in LF testbeds. Not observed | -| | | | outside of LF testbeds. | -+---+-------------------------------------------------+------------+-----------------------------------------------------------------+ -| 2 | Lower than expected NDR throughput of DPDK | CSIT-571 | Suspected NIC firmware or DPDK driver issue affecting NDR and | -| | testpmd and VPP L2 path NDR throughput with | | PDR throughput on XL710 and X710 NICs. | -| | xl710 and x710 NICs, compared to x520 NICs. | | | -+---+-------------------------------------------------+------------+-----------------------------------------------------------------+ -| 3 | Tagged Ethernet dot1q and dot1ad L2 path | CSIT-1066 | Tagged Ethernet dot1q and dot1ad L2 path throughput regression: | -| | throughput regression. | | NDR -2%..-5%, PDR -2%..-6%, MRR. Affects l2xc and l2bd | -| | | | performance tests. | -+---+-------------------------------------------------+------------+-----------------------------------------------------------------+ -| 4 | IPSec (software, no QAT HW) throughput | CSIT-1064 | IPSec throughput regression: NDR -3%..-8%, PDR -2%..-8%, MRR | -| | regression. | | -3%..-7%. Affects IPSec SW tests, QAT HW tests not affected. | -+---+-------------------------------------------------+------------+-----------------------------------------------------------------+ -| 5 | High failure rate of creating working container | CSIT-1065 | About 20% of orchestrated container topology tests failing data | -| | topologies with K8s/Ligato orchestration. | | plane verification indicating configuration issue. Suspected | -| | | | issue with Ligato vpp-agent. | -+---+-------------------------------------------------+------------+-----------------------------------------------------------------+ +New +___ + ++----+-----------------------------------------+-----------------------------------------------------------------------------------------------------------+ +| # | JiraID | Issue Description | ++====+=========================================+===========================================================================================================+ +| 1 | `CSIT-1799 | All NAT44-ED 16M scale tests fail while setting NAT44 address range. | +| | `_ | | ++----+-----------------------------------------+-----------------------------------------------------------------------------------------------------------+ +| 2 | `CSIT-1800 | All Geneve L3 mode scale tests (1024 tunnels) are failing. | +| | `_ | | ++----+-----------------------------------------+-----------------------------------------------------------------------------------------------------------+ +| 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. | +| | `_ | | ++----+-----------------------------------------+-----------------------------------------------------------------------------------------------------------+ +| 8 | `CSIT-1804 | 3n-tsh testbed (Taishan): NDR tests failing from time to time. | +| | `_ | | ++----+-----------------------------------------+-----------------------------------------------------------------------------------------------------------+ +| 9 | `CSIT-1805 | 3n-skx testbeds (Skylake): all hoststack quic vppecho scale tests are failing. | +| | `_ | | ++----+-----------------------------------------+-----------------------------------------------------------------------------------------------------------+ +| 10 | `CSIT-1806 | 3n-skx testbeds (Skylake): all LISP ip6-ip6 tests are failing due to 100% drops in one direction. | +| | `_ | | ++----+-----------------------------------------+-----------------------------------------------------------------------------------------------------------+ +| 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. | +| | `_ | | ++----+-----------------------------------------+-----------------------------------------------------------------------------------------------------------+ +| 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. | +| | `_ | | ++----+-----------------------------------------+-----------------------------------------------------------------------------------------------------------+ + + +Previous +________ + +Issues reported in previous releases which still affect the current results. + ++----+-----------------------------------------+-----------------------------------------------------------------------------------------------------------+ +| # | JiraID | Issue Description | ++====+=========================================+===========================================================================================================+ +| 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. | ++----+-----------------------------------------+------------------------------------------------------------+