From f0f6265a54cc65e27daf04329df209c303518f04 Mon Sep 17 00:00:00 2001 From: Vratko Polak Date: Wed, 10 Nov 2021 13:36:27 +0100 Subject: [PATCH] Report: Update known issues + Remove MLRsearch comment, it happened a release before. + Separated known issues to fixed, old and new. + RCA section present, but empty yet. Change-Id: Ic713319017d6c2eb7ba2750de7c27de5237ee2c7 Signed-off-by: Vratko Polak --- .../vpp_performance_tests/csit_release_notes.rst | 73 ++++++++++++++-------- 1 file changed, 47 insertions(+), 26 deletions(-) diff --git a/docs/report/vpp_performance_tests/csit_release_notes.rst b/docs/report/vpp_performance_tests/csit_release_notes.rst index 4f986ebd24..b057af187e 100644 --- a/docs/report/vpp_performance_tests/csit_release_notes.rst +++ b/docs/report/vpp_performance_tests/csit_release_notes.rst @@ -50,47 +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. The issue persists after FVL FW upgrade. | -| | `_ | | +----+-----------------------------------------+-----------------------------------------------------------------------------------------------------------+ -| 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. | +----+-----------------------------------------+-----------------------------------------------------------------------------------------------------------+ -| 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). | + +Old +___ + +Issues reported in previous releases which still affect the current results. + +----+-----------------------------------------+-----------------------------------------------------------------------------------------------------------+ -| 5 | `CSIT-1780 | IPSEC SW async scheduler MRR tests failing with no traffic forwarded. | -| | `_ | | +| # | 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. | +----+-----------------------------------------+-----------------------------------------------------------------------------------------------------------+ -| 6 | `CSIT-1786 | IP4 and IP6 scale tests failing with no traffic forwarded. | -| | `_ | Issue reported to VPP devs. | +| 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. | +----+-----------------------------------------+-----------------------------------------------------------------------------------------------------------+ -| 7 | `CSIT-1785 | NAT44ED tests failing to establish all TCP sessions. | -| | `_ | | +| 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 | | +| | `_ | | +----+-----------------------------------------+-----------------------------------------------------------------------------------------------------------+ -| 8 | `CSIT-1791 | Performance regression in RDMA tests, due to CSIT environment changes. | -| | `_ | | +| 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 | -+====+=========================================+===========================================================================================================+ -| 1 | `VPP-1972 | One VPP change has decreased performance of NAT44ed processing, mostly slow path. | -| | `_ | | -+----+-----------------------------------------+-----------------------------------------------------------------------------------------------------------+ ++----+-----------------------------------------+------------------------------------------------------------+ +| # | JiraID | Issue Description | ++====+=========================================+============================================================+ +| 0 | | To be updated when descriptions in Jira tickets are ready. | ++----+-----------------------------------------+------------------------------------------------------------+ -- 2.16.6