1 .. _vpp_performance_tests_release_notes:
6 Changes in |csit-release|
7 -------------------------
9 #. VPP PERFORMANCE TESTS
11 - **Regressions with DPDK drivers**: Change from DPDK v21.08 to DPDK
12 v21.11 introduced regression across all tests using dpdk
13 drivers (with dpdk_plugin loaded). Compared to previous VPP
14 release performance drop varies in the range of -15% to -6%,
15 depending on test. It is related to updated MTU checks within
16 DPDK code and associated VPP code changes. See
17 `VPP v2202 release notes <https://s3-docs.fd.io/vpp/22.02/aboutvpp/releasenotes/v22.02.html>`_
18 and :ref:`vpp_known_issues`.
20 - **Number of CSIT 9000B frame tests failing**: tests with higher
21 encapsulation overhead are failing due to exceeding default
22 Ethernet Maximum Frame Size value that has been reduced by MTU
23 related VPP code changes. See
24 `VPP v2202 release notes <https://s3-docs.fd.io/vpp/22.02/aboutvpp/releasenotes/v22.02.html>`_
25 and :ref:`vpp_known_issues`.
27 - **Intel Xeon Ice Lake**: Performance test data for these platforms
28 is now provided by testbeds newly installed in FD.io CSIT labs.
29 For details about the physical setup see
30 :ref:`physical_testbeds_2n_icx` and
31 :ref:`physical_testbeds_3n_icx`.
33 - **Reduction of tests**: Removed certain test variations executed
34 iteratively for the report (as well as in daily and weekly
35 trending) due to physical testbeds overload.
39 - **CSIT test environment** version has been updated to ver. 9, see
40 :ref:`test_environment_versioning`.
42 - **CSIT PAPI support**: Due to issues with PAPI performance, and
43 deprecation of VAT, VPP CLI is used in CSIT for many VPP scale
44 tests. See :ref:`vpp_known_issues`.
46 - **General Code Housekeeping**: Ongoing code optimizations and bug
49 #. PRESENTATION AND ANALYTICS LAYER
51 - **Graphs improvements**: Updated Packet Latency graphs,
52 see :ref:`latency_methodology`.
66 +----+-----------------------------------------+-----------------------------------------------------------------------------------------------------------+
67 | # | JiraID | Issue Description |
68 +====+=========================================+===========================================================================================================+
69 | 1 | `CSIT-1799 | All NAT44-ED 16M scale tests fail while setting NAT44 address range. |
70 | | <https://jira.fd.io/browse/CSIT-1799>`_ | |
71 +----+-----------------------------------------+-----------------------------------------------------------------------------------------------------------+
72 | 2 | `CSIT-1800 | All Geneve L3 mode scale tests (1024 tunnels) are failing. |
73 | | <https://jira.fd.io/browse/CSIT-1800>`_ | |
74 +----+-----------------------------------------+-----------------------------------------------------------------------------------------------------------+
75 | 3 | `CSIT-1801 | 9000B payload frames not forwarded over tunnels due to violating supported Max Frame Size (VxLAN, LISP, |
76 | | <https://jira.fd.io/browse/CSIT-1801>`_ | SRv6). |
77 +----+-----------------------------------------+-----------------------------------------------------------------------------------------------------------+
78 | 4 | `CSIT-1802 | AF-XDP - NDR tests failing from time to time. |
79 | | <https://jira.fd.io/browse/CSIT-1802>`_ | |
80 +----+-----------------------------------------+-----------------------------------------------------------------------------------------------------------+
81 | 5 | `CSIT-1803 | 3n-icx testbeds (Icelake): all IMIX aes128cbc-hmac512sha tests are failing due to excessive packet loss. |
82 | | <https://jira.fd.io/browse/CSIT-1803>`_ | |
83 +----+-----------------------------------------+-----------------------------------------------------------------------------------------------------------+
84 | 6 | `CSIT-1804 | Sporadic packet drops at NDR Crypto, Ip4, L2, Srv6, VM vhost. |
85 | | <https://jira.fd.io/browse/CSIT-1804>`_ | |
86 +----+-----------------------------------------+-----------------------------------------------------------------------------------------------------------+
87 | 7 | `CSIT-1805 | Hoststack vppecho-Bps tests failing with timeout. |
88 | | <https://jira.fd.io/browse/CSIT-1805>`_ | |
89 +----+-----------------------------------------+-----------------------------------------------------------------------------------------------------------+
90 | 8 | `CSIT-1806 | ethip6lispip6 half packets forwarded only. |
91 | | <https://jira.fd.io/browse/CSIT-1806>`_ | |
92 +----+-----------------------------------------+-----------------------------------------------------------------------------------------------------------+
93 | 9 | `CSIT-xxxx | Tunnel encapsulations tests failing with 9000B Ethernet frames. |
94 | | <https://jira.fd.io/browse/CSIT-xxxx>`_ | |
95 +----+-----------------------------------------+-----------------------------------------------------------------------------------------------------------+
96 | 10 | `CSIT-xxxx | VPP performance regression with DPDK drivers. |
97 | | <https://jira.fd.io/browse/CSIT-xxxx>`_ | |
98 | +-----------------------------------------+ |
100 | | <https://jira.fd.io/browse/VPP-xxxx>`_ | |
101 +----+-----------------------------------------+-----------------------------------------------------------------------------------------------------------+
102 | 11 | `CSIT-1808 | 9000B memif tests failing. |
103 | | <https://jira.fd.io/browse/CSIT-1800>`_ | |
104 +----+-----------------------------------------+-----------------------------------------------------------------------------------------------------------+
105 | 12 | `CSIT-1809 | 9000B vhostuser tests failing. |
106 | | <https://jira.fd.io/browse/CSIT-1800>`_ | |
107 +----+-----------------------------------------+-----------------------------------------------------------------------------------------------------------+
113 Issues reported in previous releases which still affect the current results.
115 +----+-----------------------------------------+-----------------------------------------------------------------------------------------------------------+
116 | # | JiraID | Issue Description |
117 +====+=========================================+===========================================================================================================+
118 | 3 | `CSIT-1782 | Multicore AVF tests are failing when trying to create interface. |
119 | | <https://jira.fd.io/browse/CSIT-1782>`_ | Frequency is reduced by CSIT workaround, but occasional failures do still happen. |
120 +----+-----------------------------------------+-----------------------------------------------------------------------------------------------------------+
121 | 4 | `CSIT-1671 | All CSIT scale tests can not use PAPI due to much slower performance compared to VAT/CLI (it takes much |
122 | | <https://jira.fd.io/browse/CSIT-1671>`_ | longer to program VPP). This needs to be addressed on the PAPI side. |
123 | +-----------------------------------------+ Currently, the time critical code uses VAT running large files with exec statements and CLI commands. |
124 | | `VPP-1763 | Still, we needed to reduce the number of scale tests run to keep overall duration reasonable. |
125 | | <https://jira.fd.io/browse/VPP-1763>`_ | More improvements needed to achieve sufficient configuration speed. |
126 +----+-----------------------------------------+-----------------------------------------------------------------------------------------------------------+
127 | 5 | `CSIT-1789 | IPSEC SW async scheduler tests show bad behavior. |
128 | | <https://jira.fd.io/browse/CSIT-1789>`_ | VPP code is not behaving correctly when crypto workers are the bottleneck. |
129 | +-----------------------------------------+ |
131 | | <https://jira.fd.io/browse/VPP-1998>`_ | |
132 +----+-----------------------------------------+-----------------------------------------------------------------------------------------------------------+
133 | 6 | `CSIT-1785 | NAT44ED tests failing to establish all TCP sessions. |
134 | | <https://jira.fd.io/browse/CSIT-1785>`_ | At least for max scale, in allotted time (limited by session 500s timeout) due to worse |
135 | +-----------------------------------------+ slow path performance than previously measured and calibrated for. |
136 | | `VPP-1972 | CSIT removed the max scale NAT tests to avoid this issue. |
137 | | <https://jira.fd.io/browse/VPP-1972>`_ | |
138 +----+-----------------------------------------+-----------------------------------------------------------------------------------------------------------+
139 | 7 | `CSIT-1791 | Performance regression in RDMA tests, due to CSIT environment changes. |
140 | | <https://jira.fd.io/browse/CSIT-1791>`_ | Two symptoms: 1. 10-20% regression across most tests. 2. DUT performance cap just below 38 Mpps. |
141 +----+-----------------------------------------+-----------------------------------------------------------------------------------------------------------+
146 Issues reported in previous releases which were fixed in this release:
148 +----+-----------------------------------------+-----------------------------------------------------------------------------------------------------------+
149 | # | JiraID | Issue Description |
150 +====+=========================================+===========================================================================================================+
151 | 1 | `CSIT-1789 | AVF driver does not perform RSS in a deterministic way. |
152 | | <https://jira.fd.io/browse/CSIT-1789>`_ | VPP now uses the same RSS key with AVF driver as with DPDK driver. |
153 +----+-----------------------------------------+-----------------------------------------------------------------------------------------------------------+
154 | 2 | `CSIT-1786 | IP4 and IP6 scale tests failing with no traffic forwarded. |
155 | | <https://jira.fd.io/browse/CSIT-1786>`_ | CSIT replaced the old single VAT command by file full of "exec" CLI commands executed by VAT. |
156 +----+-----------------------------------------+-----------------------------------------------------------------------------------------------------------+
158 Root Cause Analysis for Performance Changes
159 -------------------------------------------
161 List of RCAs in |csit-release| for VPP performance changes:
163 +----+-----------------------------------------+------------------------------------------------------------+
164 | # | JiraID | Issue Description |
165 +====+=========================================+============================================================+
166 | 0 | | To be updated when descriptions in Jira tickets are ready. |
167 +----+-----------------------------------------+------------------------------------------------------------+