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Diffstat (limited to 'docs/report/vpp_performance_tests/packet_latency_graphs/l2.rst')
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1 files changed, 31 insertions, 25 deletions
diff --git a/docs/report/vpp_performance_tests/packet_latency_graphs/l2.rst b/docs/report/vpp_performance_tests/packet_latency_graphs/l2.rst index 7eba1062f2..f7836feeef 100644 --- a/docs/report/vpp_performance_tests/packet_latency_graphs/l2.rst +++ b/docs/report/vpp_performance_tests/packet_latency_graphs/l2.rst @@ -1,28 +1,35 @@ L2 Ethernet Switching ===================== -This section provides a summary of VPP Phy-to-Phy L2 Ethernet switching -performance illustrating packet latency measured at 50% of discovered NDR -throughput rate. Latency is reported for VPP running in multiple -configurations of VPP worker thread(s), a.k.a. VPP data plane thread (s), and -their physical CPU core(s) placement. - -*Title of each graph* is a regex (regular expression) matching all plotted -latency test cases, *X-axis labels* are indeces of csit-vpp-perf-1704 jobs -that created result output files used as data sources for the graph, -*Y-axis labels* are measured packet Latency [uSec] values, and the *graph -legend* identifes the plotted test suites. +This section includes summary graphs of VPP Phy-to-Phy packet latency +with L2 Ethernet switching measured at 50% of discovered NDR throughput +rate. Latency is reported for VPP running in multiple configurations of +VPP worker thread(s), a.k.a. VPP data plane thread(s), and their +physical CPU core(s) placement. + +Results are generated from a single execution of CSIT NDR discovery +test. Box plots are used to show the Minimum, Average and Maximum packet +latency per test. + +*Title of each graph* is a regex (regular expression) matching all +throughput test cases plotted on this graph, *X-axis labels* are indices +of individual test suites executed by csit-vpp-perf-1704-all job that +created result output file used as data source for the graph, *Y-axis +labels* are measured packet Latency [uSec] values, and the *Graph +legend* lists the plotted test suites and their indices. Latency is +reported for concurrent symmetric bi-directional flows, separately for +each direction: i) West-to-East: TGint1-to-SUT1-to-SUT2-to-TGint2, and +ii) East-to-West: TGint2-to-SUT2-to-SUT1-to-TGint1. .. note:: - Data sources for reported test results: i) FD.io test executor jobs + Test results have been generated by FD.io test executor jobs `csit-vpp-perf-1704-all - <https://jenkins.fd.io/view/csit/job/csit-vpp-perf-1704-all/>`_ , - ii) archived FD.io jobs test result `output files - <../../_static/archive/>`_. + <https://jenkins.fd.io/view/csit/job/csit-vpp-perf-1704-all/>`_, + with Robot Framework result files csit-vpp-perf-1704-all-<id>.zip + `archived here <../../_static/archive/>`_ -VPP packet latency - running in configuration of **one worker thread (1t) on one -physical core (1c)** - is presented in the figure below. +VPP packet latency in 1t1c setup (1thread, 1core) is presented in the graph below. .. raw:: html @@ -30,12 +37,12 @@ physical core (1c)** - is presented in the figure below. *Figure 1. VPP 1thread 1core - packet latency for Phy-to-Phy L2 Ethernet Switching.* -CSIT test cases used to generate results presented above can be found in CSIT -git repository by filtering with specified regex as follows: +CSIT source code for the test cases used for above plots can be found in CSIT +git repository: .. code-block:: bash - $ csit/tests/perf + $ cd $CSIT/tests/perf $ grep -E "64B-1t1c-(eth|dot1q|dot1ad)-(l2xcbase|l2bdbasemaclrn)-ndrdisc" * 10ge2p1vic1227-eth-l2bdbasemaclrn-ndrdisc.robot:| tc01-64B-1t1c-eth-l2bdbasemaclrn-ndrdisc @@ -48,8 +55,7 @@ git repository by filtering with specified regex as follows: 40ge2p1xl710-eth-l2bdbasemaclrn-ndrdisc.robot:| tc01-64B-1t1c-eth-l2bdbasemaclrn-ndrdisc 40ge2p1xl710-eth-l2xcbase-ndrdisc.robot:| tc01-64B-1t1c-eth-l2xcbase-ndrdisc -VPP packet latency - running in configuration of **two worker threads (2t) on two -physical cores (2c)** - is presented in the figure below. +VPP packet latency in 2t2c setup (2thread, 2core) is presented in the graph below. .. raw:: html @@ -57,12 +63,12 @@ physical cores (2c)** - is presented in the figure below. *Figure 2. VPP 2threads 2cores - packet latency for Phy-to-Phy L2 Ethernet Switching.* -CSIT test cases used to generate results presented above can be found in CSIT -git repository by filtering with specified regex as follows: +CSIT source code for the test cases used for above plots can be found in CSIT +git repository: .. code-block:: bash - $ csit/tests/perf + $ cd $CSIT/tests/perf $ grep -E "64B-2t2c-(eth|dot1q|dot1ad)-(l2xcbase|l2bdbasemaclrn)-ndrdisc" * 10ge2p1vic1227-eth-l2bdbasemaclrn-ndrdisc.robot:| tc07-64B-2t2c-eth-l2bdbasemaclrn-ndrdisc |