4 Changes in |csit-release|
5 -------------------------
7 #. **VPP performance tests**
9 - *MRR tests* - Maximum Receive Rate tests measure the packet forwarding rate
10 under the maximum load offered by traffic generator over a set trial
11 duration, regardless of packet loss. MRR tests are used for continuous
12 performance trending and for comparison between releases.
14 - *MLR tests* - NDR and PDR tests measure the packet forwarding rate using
15 MLRsearch library by traffic generator. All tests that previously used
16 binary search were converted to MLRsearch.
18 - *L2patch tests* - Tests measure performance of L2patch, cross linking
19 RX and TX of two physical interfaces.
21 - *2-node tests* - Baseline set of 2-node tests covering base ip4, ip6,
24 - *Generated tests* - Simplified and unified test structure,
25 semi-autogenerated by generator script. Test generator is currently able
26 to create test combinations with various frame size and cores combinations.
27 All existing test cases were converted to new format.
29 - *Simultaneous multithreading* - SMT-aware automatic detection and
30 resource configuration including thread affinity, number of rx queues and
31 DPDK I/O mbufs. Tests are automatically tagged during execution indicating
34 - *Intel Skylake* - Topologies consisting of 2-node and 3-node using
35 SuperMirco servers each equipped with two Intel Xeon Skylake Platinum
36 processors. Full Ansible playbooks refactor for quick server
37 (re)installation and reference pointers of configuration.
39 #. **Presentation and Analytics Layer**
41 - *Performance trending* - Added continuous performance trending and
42 analysis. New Performance Trending and Performance Analysis jobs
43 executed regular throughput tests, with results being subsequently
44 analysed and trend and anomalies summarized and presented in VPP
45 Performance Dashboard and trendline graphs.
47 #. **Test Framework Optimizations**
49 - *General code housekeeping* - ongoing RF keywords optimizations,
50 removal of redundant RF keywords.
55 Relative performance changes in measured packet throughput in |csit-release|
56 are calculated against the results from |csit-release-1|
57 report. Listed mean and standard deviation values are computed based on
58 a series of the same tests executed against respective VPP releases to
59 verify test results repeatability, with percentage change calculated for
60 mean values. Note that the standard deviation is quite high for a small
61 number of packet throughput tests, what indicates poor test results
62 repeatability and makes the relative change of mean throughput value not
63 fully representative for these tests. The root causes behind poor
64 results repeatability vary between the test cases.
69 NDR throughput changes between releases are available in a
70 CSV and pretty ASCII formats:
72 - `csv format for 1t1c <../_static/vpp/performance-changes-1t1c-ndr.csv>`_,
73 - `csv format for 2t2c <../_static/vpp/performance-changes-2t2c-ndr.csv>`_,
74 - `pretty ASCII format for 1t1c <../_static/vpp/performance-changes-1t1c-ndr.txt>`_,
75 - `pretty ASCII format for 2t2c <../_static/vpp/performance-changes-2t2c-ndr.txt>`_.
79 Test results have been generated by
80 `FD.io test executor vpp performance job 3n-hsw`_,
81 with Robot Framework result
82 files csit-vpp-perf-|srelease|-\*.zip
83 `archived here <../_static/archive/>`_.
88 PDR throughput changes between releases are available in a
89 CSV and pretty ASCII formats:
91 - `csv format for 1t1c <../_static/vpp/performance-changes-1t1c-pdr.csv>`_,
92 - `csv format for 2t2c <../_static/vpp/performance-changes-2t2c-pdr.csv>`_,
93 - `pretty ASCII format for 1t1c <../_static/vpp/performance-changes-1t1c-pdr.txt>`_,
94 - `pretty ASCII format for 2t2c <../_static/vpp/performance-changes-2t2c-pdr.txt>`_.
98 Test results have been generated by
99 `FD.io test executor vpp performance job 3n-hsw`_,
100 with Robot Framework result
101 files csit-vpp-perf-|srelease|-\*.zip
102 `archived here <../_static/archive/>`_.
107 MRR small packet throughput changes between releases are available in a
108 CSV and pretty ASCII formats:
110 - `csv format for 1t1c <../_static/vpp/performance-changes-1t1c-mrr.csv>`_,
111 - `csv format for 2t2c <../_static/vpp/performance-changes-2t2c-mrr.csv>`_,
112 - `csv format for 4t4c <../_static/vpp/performance-changes-4t4c-mrr.csv>`_,
113 - `pretty ASCII format for 1t1c <../_static/vpp/performance-changes-1t1c-mrr.txt>`_,
114 - `pretty ASCII format for 2t2c <../_static/vpp/performance-changes-2t2c-mrr.txt>`_,
115 - `pretty ASCII format for 4t4c <../_static/vpp/performance-changes-4t4c-mrr.txt>`_.
119 Test results have been generated by
120 `FD.io test executor vpp performance job 3n-hsw`_,
121 with Robot Framework result
122 files csit-vpp-perf-|srelease|-\*.zip
123 `archived here <../_static/archive/>`_.
125 Comparison Across Testbeds
126 --------------------------
128 Relative performance changes in measured packet throughputon 3-Node Skx testbed
129 are calculated against the results measured on 3-Node Hsw testbed.
134 NDR changes between testbeds are available in a
135 CSV and pretty ASCII formats:
137 - `csv format for ndr <../_static/vpp/performance-compare-testbeds-3n-hsw-3n-skx-ndr.csv>`_,
138 - `pretty ASCII format for ndr <../_static/vpp/performance-compare-testbeds-3n-hsw-3n-skx-ndr.txt>`_.
142 Test results have been generated by
143 `FD.io test executor vpp performance job 3n-hsw`_ and
144 `FD.io test executor vpp performance job 3n-skx`_
145 with Robot Framework result
146 files csit-vpp-perf-|srelease|-\*.zip
147 `archived here <../_static/archive/>`_.
152 PDR throughput changes between testbeds are available in a
153 CSV and pretty ASCII formats:
155 - `csv format for pdr <../_static/vpp/performance-compare-testbeds-3n-hsw-3n-skx-pdr.csv>`_,
156 - `pretty ASCII format for pdr <../_static/vpp/performance-compare-testbeds-3n-hsw-3n-skx-pdr.txt>`_.
160 Test results have been generated by
161 `FD.io test executor vpp performance job 3n-hsw`_ and
162 `FD.io test executor vpp performance job 3n-skx`_
163 with Robot Framework result
164 files csit-vpp-perf-|srelease|-\*.zip
165 `archived here <../_static/archive/>`_.
170 MRR throughput changes between testbeds are available in a
171 CSV and pretty ASCII formats:
173 - `csv format for mrr <../_static/vpp/performance-compare-testbeds-3n-hsw-3n-skx-mrr.csv>`_,
174 - `pretty ASCII format for mrr <../_static/vpp/performance-compare-testbeds-3n-hsw-3n-skx-mrr.txt>`_.
178 Test results have been generated by
179 `FD.io test executor vpp performance job 3n-hsw`_ and
180 `FD.io test executor vpp performance job 3n-skx`_
181 with Robot Framework result
182 files csit-vpp-perf-|srelease|-\*.zip
183 `archived here <../_static/archive/>`_.
188 In addition to reporting throughput changes between VPP releases, CSIT
189 provides continuous performance trending for VPP master branch:
191 #. `VPP Performance Dashboard <https://docs.fd.io/csit/master/trending/introduction/index.html>`_
192 - per VPP test case throughput trend, trend compliance and summary of
195 #. `Trending Methodology <https://docs.fd.io/csit/master/trending/methodology/index.html>`_
196 - throughput test metrics, trend calculations and anomaly
197 classification (progression, regression, outlier).
199 #. `Trendline Graphs <https://docs.fd.io/csit/master/trending/trending/index.html>`_
200 - per VPP build MRR throughput measurements against the trendline
201 with anomaly highlights, with associated CSIT test jobs.
206 List of known issues in |csit-release| for VPP performance tests:
208 +---+-------------------------------------------------+------------+-----------------------------------------------------------------+
209 | # | Issue | Jira ID | Description |
210 +===+=================================================+============+=================================================================+
211 | 1 | Sporadic (1 in 200) NDR discovery test failures | CSIT-570 | DPDK reporting rx-errors, indicating L1 issue. Suspected issue |
212 | | on x520. | | with HW combination of X710-X520 in LF testbeds. Not observed |
213 | | | | outside of LF testbeds. |
214 +---+-------------------------------------------------+------------+-----------------------------------------------------------------+
215 | 2 | High failure rate of api call | VPP-1361 | Failure rate: 30-40% of tests failing due to interfaces not |
216 | | sw_interface_set_flags [admin-up|link-up] | | in link-up state after API call sw_interface_set_flags. |
217 +---+-------------------------------------------------+------------+-----------------------------------------------------------------+
218 | 3 | Scale IPSecHW Interface mode throughput | CSIT-1234 | IPSec throughput regression: NDR -28%..-31%, PDR -28%..-31%, |
219 | | regression. | | MRR -40%. Affects IPSec HW Scale 1000tnl tests with Int mode. |
220 +---+-------------------------------------------------+------------+-----------------------------------------------------------------+