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.. This work is licensed under a Creative Commons Attribution 4.0 International
.. License.
.. http://creativecommons.org/licenses/by/4.0
.. (c) OPNFV, Huawei Tech and others.

**********************************************
POSCA Stress (Factor) Test of System bandwidth
**********************************************


Test Case
=========
+-----------------------------------------------------------------------------+
|Bottlenecks POSCA Stress Test Traffic                                        |
|                                                                             |
+--------------+--------------------------------------------------------------+
|test case name| posca_factor_system_bandwith                                 |
|              |                                                              |
+--------------+--------------------------------------------------------------+
|description   | Stress test regarding baseline of the system for a single    |
|              | user, i.e., a VM pair while increasing the package size      |
+--------------+--------------------------------------------------------------+
|configuration | config file:                                                 |
|              |   /testsuite/posca/testcase_cfg/                             |
|              |                   posca_factor_system_bandwith.yaml          |
|              |                                                              |
|              | stack number: 1                                              |
|              |                                                              |
+--------------+--------------------------------------------------------------+
|test result   | PKT loss rate, latency, throupht, cpu usage                  |
|              |                                                              |
+--------------+--------------------------------------------------------------+

Configration
===========
::

    test_config:
      tool: netperf
      protocol: tcp
      test_time: 20
      tx_pkt_sizes: 64, 256, 1024, 4096, 8192, 16384, 32768, 65536
      rx_pkt_sizes: 64, 256, 1024, 4096, 8192, 16384, 32768, 65536
      cpu_load: 0.9
      latency: 100000
    runner_config:
      dashboard: "y"
      dashboard_ip:
      stack_create: yardstick
      yardstick_test_ip:
      yardstick_test_dir: "samples"
      yardstick_testcase: "netperf_bottlenecks"