X-Git-Url: https://gerrit.fd.io/r/gitweb?a=blobdiff_plain;f=docs%2Freport%2Fvpp_performance_tests%2Fcsit_release_notes.rst;h=87394cef98354a9cf119359b062a9c8cdd49a9a1;hb=7a1d31543b8424bb67b4d610bd9c8e17a58fd0f4;hp=a70061de9a5432978fc99a0410ddc6177c011b30;hpb=353c822cb93de90513bc8f380939e8846ac5f65d;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 a70061de9a..87394cef98 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 ============= @@ -6,52 +8,40 @@ 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. - - - - **GSO tests**: Added VPP performance tests for GSOtap and GSOvirtio. - All tested topologies are compared with GSO enabled and disabled. - In |csit-release| there is only 1t1c tests running. - See :ref:`gso_methodology` for more details. + - **Added new performance testbed 3n-snr** (3 Node SnowRidge, with Intel + Atom processors), to later replace 3n-dnv and 2n-dnv (3 and 2 Node + Denverton) testbeds. + - **Added GTPU HW offload tests** for Intel e810 4p25ge NICs on 2n-icx + testbeds. - - **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. + - **Added Wireguard tests** for VPP software path (3n-icx, 3n-snr + testbeds) and with built-in HW crypto QAT device (3n-snr testbed + only). - - **Jumbo for ipsec**: Test cases with 9000 byte frames are re-enabled - in ipsec suites. - - - **Randomized profiles**: Improved repeatability and cycle length. - For details, see :ref:`packet_flow_ordering`. - - - **Arm 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. 11, see + :ref:`test_environment_versioning`. + + - **TCP tput profiles** have to be changed, as newer TRex versions + are not deterministic enough when deciding when to send an ACK. - - **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, VPP CLI is used in CSIT for many VPP scale + tests. See :ref:`vpp_known_issues`. - - **General Code Housekeeping**: Ongoing code optimizations, - speed ups and bug fixes. + - **General Code Housekeeping**: Ongoing code optimizations and bug + fixes. #. PRESENTATION AND ANALYTICS LAYER - - **Graphs improvements**: Updated Packet Latency graphs, - see :ref:`latency_methodology`. + - **C-Dash** `performance dashboard `_ got updated UI and + updated backend increasing its performance and robustness. .. raw:: latex @@ -62,42 +52,114 @@ 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-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-1850 | 2n-dnv: sporadic 1518B tput tests failing to establish required sessions. | +| | `_ | | +----+-----------------------------------------+-----------------------------------------------------------------------------------------------------------+ -| 2 | `VPP-662 | 9000B packets not supported by NICs VIC1227 and VIC1387. | -| | `_ | | +| 2 | `CSIT-1864 | 2n-clx: half of the packets lost on PDR tests. | +| | `_ | | +----+-----------------------------------------+-----------------------------------------------------------------------------------------------------------+ -| 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. | +| 3 | `CSIT-1871 | 3n-snr: 25Ge Interface goes down randomly. | +| | `_ | | +----+-----------------------------------------+-----------------------------------------------------------------------------------------------------------+ -| 4 | `CSIT-1671 | All CSIT scale tests can not use PAPI due to much slower performance compared to VAT/CLI (it takes much | +| 4 | `CSIT-1877 | 3n-alt, 3n-tsh: VM tests failing to boot VM. | +| | `_ | | ++----+-----------------------------------------+-----------------------------------------------------------------------------------------------------------+ + +Previous +________ + +Issues reported in previous releases which still affect the current results. + ++----+-----------------------------------------+-----------------------------------------------------------------------------------------------------------+ +| # | JiraID | Issue Description | ++====+=========================================+===========================================================================================================+ +| 1 | `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. | ++----+-----------------------------------------+-----------------------------------------------------------------------------------------------------------+ +| 2 | `CSIT-1782 | Multicore AVF tests are failing when trying to create interface. | +| | `_ | Frequency is reduced by CSIT workaround, but occasional failures do still happen. | ++----+-----------------------------------------+-----------------------------------------------------------------------------------------------------------+ +| 3 | `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. | +| | `_ | | ++----+-----------------------------------------+-----------------------------------------------------------------------------------------------------------+ +| 4 | `CSIT-1799 | All NAT44-ED 16M scale tests fail while setting NAT44 address range. | +| | `_ | | +----+-----------------------------------------+-----------------------------------------------------------------------------------------------------------+ -| 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. | +| 5 | `CSIT-1800 | All Geneve L3 mode scale tests (1024 tunnels) are failing. | +| | `_ | | ++----+-----------------------------------------+-----------------------------------------------------------------------------------------------------------+ +| 6 | `CSIT-1801 | 9000B payload frames not forwarded over tunnels due to violating supported Max Frame Size (VxLAN, LISP, | +| | `_ | SRv6). | ++----+-----------------------------------------+-----------------------------------------------------------------------------------------------------------+ +| 7 | `CSIT-1802 | AF-XDP - NDR tests failing from time to time. | +| | `_ | | ++----+-----------------------------------------+-----------------------------------------------------------------------------------------------------------+ +| 8 | `CSIT-1804 | All testbeds: NDR tests failing from time to time. | +| | `_ | | ++----+-----------------------------------------+-----------------------------------------------------------------------------------------------------------+ +| 9 | `CSIT-1808 | All tests with 9000B payload frames not forwarded over memif interfaces. | +| | `_ | | ++----+-----------------------------------------+-----------------------------------------------------------------------------------------------------------+ +| 10 | `CSIT-1827 | 3n-icx, 3n-skx: all AVF crypto tests sporadically fail. 1518B with no traffic, IMIX with excessive | +| | `_ | packet loss. | ++----+-----------------------------------------+-----------------------------------------------------------------------------------------------------------+ +| 11 | `CSIT-1835 | 3n-icx: vppecho BPS tests failing on timeout when checking hoststack finished. | +| | `_ | | ++----+-----------------------------------------+-----------------------------------------------------------------------------------------------------------+ +| 12 | `CSIT-1849 | 2n-skx, 2n-clx: UDP 16m tput tests fail to create all sessions. | +| | `_ | | +----+-----------------------------------------+-----------------------------------------------------------------------------------------------------------+ -Root Cause Analysis for Performance Changes -------------------------------------------- +Fixed +_____ -List of RCAs in |csit-release| for VPP performance changes: +Issues reported in previous releases which were fixed in this release: +----+-----------------------------------------+-----------------------------------------------------------------------------------------------------------+ -| # | JiraID | Issue Description | +| # | JiraID | Issue Description | +====+=========================================+===========================================================================================================+ -| 1 | `VPP-1972 | One VPP change has decreased performance of NAT44ed processing, both slow path and fast path. | -| | `_ | | +| 1 | `CSIT-1834 | 2n-icx, 2n-skx: sporadic AVF soak tests failing to find critical load with PLRsearch. | +| | `_ | | ++----+-----------------------------------------+-----------------------------------------------------------------------------------------------------------+ +| 2 | `CSIT-1846 | 2n-skx, 2n-clx, 2n-icx: ALL 1518B TCP tput tests failing with big packet loss. | +| | `_ | | ++----+-----------------------------------------+-----------------------------------------------------------------------------------------------------------+ +| 3 | `CSIT-1851 | trending regression: various icelake tests around 2202-04-15 | +| | `_ | Somewhat expected consequence of a VPP usability fix, | +| | | the previous VPP compiler version was too new for the OS used. | +----+-----------------------------------------+-----------------------------------------------------------------------------------------------------------+ + +.. _vpp_rca: + +Root Cause Analysis for Performance Changes +------------------------------------------- + +List of RCAs in |csit-release| for VPP performance changes: + ++----+-----------------------------------------+-------------------------------------------------------------------------------------+ +| # | JiraID | Issue Description | ++====+=========================================+=====================================================================================+ +| 1 | `VPP-2030 | regression: ip6base on ICX around 2022-03-23 | +| | `_ | "Loads blocked due to overlapping with a preceding store that cannot be forwarded." | +| | | started happening in ip6-lookup graph node. | ++----+-----------------------------------------+-------------------------------------------------------------------------------------+ +| 2 | `CSIT-1852 | 2n-zn2 mellanox performance cap | +| | `_ | Old issue, only now distinguished from CSIT-1751. | +| | | This testbed+nic combination is capped below 28 Mpps, cause not identified yet. | ++----+-----------------------------------------+-------------------------------------------------------------------------------------+ +| 3 | `CSIT-1853 | trending regression: nat44ed cps around 2202-04-01 | +| | `_ | VPP change added more computation to slow path (in order to support multiple VRFs). | +| | | Not clear if the VPP implementation is optimized enough. | ++----+-----------------------------------------+-------------------------------------------------------------------------------------+