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diff --git a/docs/report/introduction/methodology_gso.rst b/docs/report/introduction/methodology_gso.rst deleted file mode 100644 index b33b3aefbd..0000000000 --- a/docs/report/introduction/methodology_gso.rst +++ /dev/null @@ -1,136 +0,0 @@ -.. _gso_methodology: - -Generic Segmentation Offload Tests ----------------------------------- - -Overview -~~~~~~~~ - -Generic Segmentation Offload (GSO) reduces per-packet processing -overhead by enabling applications to pass a multi-packet buffer to -(v)NIC and process a smaller number of large packets (e.g. frame size of -64 KB), instead of processing higher numbers of small packets (e.g. -frame size of 1500 B), thus reducing per-packet overhead. - -|csit-release| introduced GSO tests for VPP vhostuser and tapv2 -interfaces. All tests cases use iPerf3 client and server applications -running TCP/IP as a traffic generator. For performance comparison the -same tests are run without GSO enabled. - -GSO Test Topologies -~~~~~~~~~~~~~~~~~~~ - -Two VPP GSO test topologies are implemented in |csit-release|: - -1. iPerfC_GSOvirtio_LinuxVM --- GSOvhost_VPP_GSOvhost --- iPerfS_GSOvirtio_LinuxVM - - - Tests VPP GSO on vhostuser interfaces and interaction with Linux - virtio with GSO enabled. - -1. iPerfC_GSOtap_LinuxNspace --- GSOtapv2_VPP_GSOtapv2 --- iPerfS_GSOtap_LinuxNspace - - - Tests VPP GSO on tapv2 interfaces and interaction with Linux tap - with GSO enabled. - -Common configuration: - -- iPerfC (client) and iPerfS (server) run in TCP/IP mode without upper - bandwidth limit. -- Trial duration is set to 30 sec. -- iPerfC, iPerfS and VPP run in the single SUT node. - - -VPP GSOtap Topology -~~~~~~~~~~~~~~~~~~~ - -VPP Configuration -_________________ - -VPP GSOtap tests in |csit-release| are executed without using -hyperthreading. VPP worker runs on a single core. Multi-core tests are -not executed. Each interface belongs to separate namespace. Following core -pinning scheme is used: - -- 1t1c (rxq=1, rx_qsz=4096, tx_qsz=4096) - - - system isolated: 0,28,56,84 - - vpp mt: 1 - - vpp wt: 2 - - vhost: 3-5 - - iperf-s: 6 - - iperf-c: 7 - - -iPerf3 Server Configuration -___________________________ - -iPerf3 version used 3.7 - -:: - - $ sudo -E -S ip netns exec tap1_namespace iperf3 \ - --server --daemon --pidfile /tmp/iperf3_server.pid --logfile /tmp/iperf3.log --port 5201 --affinity <X> - -For the full iPerf3 reference please see: -`iPerf3 docs <https://github.com/esnet/iperf/blob/master/docs/invoking.rst>`_. - - -iPerf3 Client Configuration -___________________________ - -iPerf3 version used 3.7 - -:: - - $ sudo -E -S ip netns exec tap1_namespace iperf3 \ - --client 2.2.2.2 --bind 1.1.1.1 --port 5201 --parallel <Y> --time 30.0 --affinity <X> --zerocopy - -For the full iPerf3 reference please see: -`iPerf3 docs <https://github.com/esnet/iperf/blob/master/docs/invoking.rst>`_. - - -VPP GSOvhost Topology -~~~~~~~~~~~~~~~~~~~~~ - -VPP Configuration -_________________ - -VPP GSOvhost tests in |csit-release| are executed without using -hyperthreading. VPP worker runs on a single core. Multi-core tests are -not executed. Following core pinning scheme is used: - -- 1t1c (rxq=1, rx_qsz=1024, tx_qsz=1024) - - system isolated: 0,28,56,84 - - vpp mt: 1 - - vpp wt: 2 - - vm-iperf-s: 3,4,5,6,7 - - vm-iperf-c: 8,9,10,11,12 - - iperf-s: 1 - - iperf-c: 1 - -iPerf3 Server Configuration -___________________________ - -iPerf3 version used 3.7 - -:: - - $ sudo iperf3 \ - --server --daemon --pidfile /tmp/iperf3_server.pid --logfile /tmp/iperf3.log --port 5201 --affinity X - -For the full iPerf3 reference please see: -`iPerf3 docs <https://github.com/esnet/iperf/blob/master/docs/invoking.rst>`_. - - -iPerf3 Client Configuration -___________________________ - -iPerf3 version used 3.7 - -:: - - $ sudo iperf3 \ - --client 2.2.2.2 --bind 1.1.1.1 --port 5201 --parallel <Y> --time 30.0 --affinity X --zerocopy - -For the full iPerf3 reference please see: -`iPerf3 docs <https://github.com/esnet/iperf/blob/master/docs/invoking.rst>`_.
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