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diff --git a/docs/report/introduction/methodology_trex_traffic_generator.rst b/docs/report/introduction/methodology_trex_traffic_generator.rst deleted file mode 100644 index aea4d3236d..0000000000 --- a/docs/report/introduction/methodology_trex_traffic_generator.rst +++ /dev/null @@ -1,68 +0,0 @@ -TRex Traffic Generator ----------------------- - -Usage -~~~~~ - -`TRex traffic generator <https://trex-tgn.cisco.com>`_ is used for majority of -CSIT performance tests. TRex stateless mode is used to measure NDR and PDR -throughputs using MLRsearch and to measure maximum transfer rate in MRR tests. - -TRex is installed and run on the TG compute node. The typical procedure is: - -- TRex configuration is set in its configuration file - - :: - - $ sudo -E -S sh -c 'cat << EOF > /etc/trex_cfg.yaml - - version: 2 - c: 8 - limit_memory: 8192 - interfaces: ["${pci1}","${pci2}"] - port_info: - - dest_mac: [${dest_mac1}] - src_mac: [${src_mac1}] - - dest_mac: [${dest_mac2}] - src_mac: [${src_mac2}] - platform : - master_thread_id: 0 - latency_thread_id: 9 - dual_if: - - socket: 0 - threads: [1, 2, 3, 4, 5, 6, 7, 8] - EOF' - -- TRex is started in the interactive mode as a background service - - :: - - $ sh -c 'cd <t-rex-install-dir>/scripts/ && \ - sudo nohup ./t-rex-64 -i --prefix $(hostname) --hdrh --no-scapy-server \ - > /tmp/trex.log 2>&1 &' > /dev/null - -- There are traffic streams dynamically prepared for each test, based on traffic - profiles. The traffic is sent and the statistics obtained using API - :command:`trex.stl.api.STLClient`. - -Measuring Packet Loss -~~~~~~~~~~~~~~~~~~~~~ - -Following sequence is followed to measure packet loss: - -- Create an instance of STLClient. -- Connect to the client. -- Add all streams. -- Clear statistics. -- Send the traffic for defined time. -- Get the statistics. - -If there is a warm-up phase required, the traffic is sent also before -test and the statistics are ignored. - -Measuring Latency -~~~~~~~~~~~~~~~~~ - -If measurement of latency is requested, two more packet streams are -created (one for each direction) with TRex flow_stats parameter set to -STLFlowLatencyStats. In that case, returned statistics will also include -min/avg/max latency values and encoded HDRHistogram data. |