Report: Infra update

[csit.git] / docs / report / introduction / methodology_trex_traffic_generator.rst

diff --git a/docs/report/introduction/methodology_trex_traffic_generator.rst b/docs/report/introduction/methodology_trex_traffic_generator.rst
index d9e7df5..cae65ab 100644 (file)
--- 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
 ~~~~~
 
 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:
 
 
 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
   ::
 
 - 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
 
 - 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
   :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
 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.