diff options
| author |   pmikus <pmikus@cisco.com> | 2020-05-05 12:30:44 +0000 |
|---|---|---|
| committer |   Tibor Frank <tifrank@cisco.com> | 2020-05-25 11:27:16 +0000 |
| commit | 9c459a2b303eb8d776ac040bc82830d850a67623 (patch) | |
| tree | d500d6738dc20cd5a2bd74003e038234a6036275 /docs/report/introduction/methodology_trex_traffic_generator.rst | |
| parent | 6c544c7b76a989952417b8cf7618c4cada465ed0 (diff) | |
Report: Infra update
Signed-off-by: pmikus <pmikus@cisco.com>
Change-Id: Ie39585e88460d9a5e3764726d93dc065f5cbacfb
Diffstat (limited to 'docs/report/introduction/methodology_trex_traffic_generator.rst')
| -rw-r--r-- | docs/report/introduction/methodology_trex_traffic_generator.rst | 37 |
1 files changed, 26 insertions, 11 deletions
diff --git a/docs/report/introduction/methodology_trex_traffic_generator.rst b/docs/report/introduction/methodology_trex_traffic_generator.rst index d9e7df57d3..cae65ab1c8 100644 --- a/docs/report/introduction/methodology_trex_traffic_generator.rst +++ b/docs/report/introduction/methodology_trex_traffic_generator.rst @@ -4,27 +4,42 @@ TRex Traffic Generator Usage ~~~~~ -`TRex traffic generator <https://trex-tgn.cisco.com>`_ is used for all -CSIT performance tests. TRex stateless mode is used to measure NDR and -PDR throughputs using MLRsearch and to measure maximum transer rate -in MRR tests. +`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: -- If the TRex is not already installed on TG, it is installed in the - suite setup phase - see `TRex installation`_. - TRex configuration is set in its configuration file :: - /etc/trex_cfg.yaml + $ sudo -E -S sh -c 'cat << EOF > /etc/trex_cfg.yaml + - version: 2 + c: 15 + 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: 16 + dual_if: + - socket: 0 + threads: [1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15] + EOF' -- TRex is started in the background mode +- 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 + $ 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 + profiles. The traffic is sent and the statistics obtained using API :command:`trex.stl.api.STLClient`. Measuring Packet Loss @@ -48,4 +63,4 @@ 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 HDRHstogram data. +min/avg/max latency values and encoded HDRHistogram data. |