X-Git-Url: https://gerrit.fd.io/r/gitweb?p=csit.git;a=blobdiff_plain;f=docs%2Freport%2Fintroduction%2Ftest_environment_intro.rst;h=c2feb1b4c4797ba49d1f184d138299e8f2b8adf7;hp=d3ec9df5c6918d56638b726fe425202c18da3467;hb=cc58afc7de521e571fe4cbaa4c9841a2d3e9be52;hpb=0c97a55b6e70752ddc538c4166f498efabf802c0 diff --git a/docs/report/introduction/test_environment_intro.rst b/docs/report/introduction/test_environment_intro.rst index d3ec9df5c6..c2feb1b4c4 100644 --- a/docs/report/introduction/test_environment_intro.rst +++ b/docs/report/introduction/test_environment_intro.rst @@ -13,6 +13,9 @@ Any benchmark anomalies (progressions, regressions) between releases of a DUT application (e.g. VPP, DPDK), are determined by testing it in the same test environment, to avoid test environment changes clouding the picture. +To beter distinguish impact of test environment changes, +we also execute tests without any SUT (just with TRex TG sending packets +over a link looping back to TG). A mirror approach is introduced to determine benchmarking anomalies due to the test environment change. This is achieved by testing the same DUT @@ -32,12 +35,12 @@ included in the CSIT environment versioning include: `_. - **Linux** Server Linux OS version and configuration, tracked in CSIT Reports in `SUT Settings - `_ + `_ and `Pre-Test Server Calibration - `_. + `_. - **TRex** TRex Traffic Generator version, drivers and configuration tracked in `TG Settings - `_. + `_. - **CSIT** CSIT framework code tracked in CSIT release branches. Following is the list of CSIT versions to date: @@ -60,40 +63,42 @@ Following is the list of CSIT versions to date: `TRex `_, `CSIT `_). +- Ver. 5 associated with CSIT rls2009 branch (`HW + `_, `Linux + `_, + `TRex + `_, + `CSIT `_). + + - The main change is TRex data-plane core resource adjustments: + `increase from 7 to 8 cores and pinning cores to interfaces `_ + for better TRex performance with symmetric traffic profiles. +- Ver. 6 associated with CSIT rls2101 branch (`HW + `_, `Linux + `_, + `TRex + `_, + `CSIT `_). + + - The main change is TRex version upgrade: + `increase from 2.82 to 2.86 `_. +- Ver. 7 associated with CSIT rls2106 branch (`HW + `_, `Linux + `_, + `TRex + `_, + `CSIT `_). + + - TRex version upgrade: + `increase from 2.86 to 2.88 `_. + - Ubuntu upgrade: + `upgrade from 18.04 LTS to 20.04.2 LTS `_. +- Ver. 8 associated with CSIT rls2110 branch (`HW + `_, `Linux + `_, + `TRex + `_, + `CSIT `_). -To identify performance changes due to VPP code development from -v20.01.0 to v20.05.0, both have been tested in CSIT environment ver. 4 -and compared against each other. All substantial progressions and -regressions have been marked up with RCA analysis. See -:ref:`vpp_throughput_comparisons` and :ref:`vpp_known_issues`. - -CSIT environment ver. 4 has been evaluated against the ver. 2 by -benchmarking VPP v20.01.0 in both environment versions. - -Physical Testbeds ------------------ - -FD.io CSIT performance tests are executed in physical testbeds hosted by -:abbr:`LF (Linux Foundation)` for FD.io project. Two physical testbed -topology types are used: - -- **3-Node Topology**: Consisting of two servers acting as SUTs - (Systems Under Test) and one server as TG (Traffic Generator), all - connected in ring topology. -- **2-Node Topology**: Consisting of one server acting as SUTs and one - server as TG both connected in ring topology. - -Tested SUT servers are based on a range of processors including Intel -Xeon Haswell-SP, Intel Xeon Skylake-SP, Intel Xeon Cascade Lake-SP, Arm, -Intel Atom. More detailed description is provided in -:ref:`tested_physical_topologies`. Tested logical topologies are -described in :ref:`tested_logical_topologies`. - -Server Specifications ---------------------- - -Complete technical specifications of compute servers used in CSIT -physical testbeds are maintained in FD.io CSIT repository: -`FD.io CSIT testbeds - Xeon Cascade Lake`_, -`FD.io CSIT testbeds - Xeon Skylake, Arm, Atom`_ and -`FD.io CSIT Testbeds - Xeon Haswell`_. + - Intel NIC 700/800 series firmware upgrade based on DPDK compatibility + matrix: `depends on testbed type `_.