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---
features:
  - Adds the InternalTLSCAFile parameter, which defines which CA file should be
    used by the internal services to verify that the peer's certificate is
    trusted. This is applicable if internal TLS is enabled. Currently, it
    defaults to using the CA file for FreeIPA, which is the default CA.
n.Pseudo */ .highlight .fm { color: #0066bb; font-weight: bold } /* Name.Function.Magic */ .highlight .vc { color: #336699 } /* Name.Variable.Class */ .highlight .vg { color: #dd7700 } /* Name.Variable.Global */ .highlight .vi { color: #3333bb } /* Name.Variable.Instance */ .highlight .vm { color: #336699 } /* Name.Variable.Magic */ .highlight .il { color: #0000DD; font-weight: bold } /* Literal.Number.Integer.Long */
.. This work is licensed under a Creative Commons Attribution 4.0 International
.. License.
.. http://creativecommons.org/licenses/by/4.0
.. (c) OPNFV, Huawei Technologies Co.,Ltd and others.

*************************************
Yardstick Test Case Description TC069
*************************************

.. _RAMspeed: http://alasir.com/software/ramspeed/

.. table::
    :class: longtable

+-----------------------------------------------------------------------------+
|Memory Bandwidth                                                             |
|                                                                             |
+--------------+--------------------------------------------------------------+
|test case id  | OPNFV_YARDSTICK_TC069_Memory Bandwidth                       |
|              |                                                              |
+--------------+--------------------------------------------------------------+
|metric        | Megabyte per second (MBps)                                   |
|              |                                                              |
+--------------+--------------------------------------------------------------+
|test purpose  | To evaluate the IaaS compute performance with regards to     |
|              | memory bandwidth.                                            |
|              | Measure the maximum possible cache and memory performance    |
|              | while reading and writing certain blocks of data (starting   |
|              | from 1Kb and further in power of 2) continuously through ALU |
|              | and FPU respectively.                                        |
|              | Measure different aspects of memory performance via          |
|              | synthetic simulations. Each simulation consists of four      |
|              | performances (Copy, Scale, Add, Triad).                      |
|              | Test results, graphs and similar shall be stored for         |
|              | comparison reasons and product evolution understanding       |
|              | between different OPNFV versions and/or configurations.      |
|              |                                                              |
+--------------+--------------------------------------------------------------+
|configuration | File: opnfv_yardstick_tc069.yaml                             |
|              |                                                              |
|              | * SLA (optional): 7000 (MBps) min_bandwidth: The minimum     |
|              |   amount of memory bandwidth that is accepted.               |
|              | * type_id: 1 - runs a specified benchmark                    |
|              |   (by an ID number):                                         |
|              |     1 -- INTmark [writing]          4 -- FLOATmark [writing] |
|              |     2 -- INTmark [reading]          5 -- FLOATmark [reading] |
|              |     3 -- INTmem                     6 -- FLOATmem            |
|              | * block_size: 64 Megabytes - the maximum block               |
|              |               size per array.                                |
|              | * load: 32 Gigabytes - the amount of data load per pass.     |
|              | * iterations: 5 - test is run 5   times iteratively.         |
|              | * interval: 1 - there is 1 second delay between each         |
|              |   iteration.                                                 |
|              |                                                              |
+--------------+--------------------------------------------------------------+
|test tool     | RAMspeed                                                     |
|              |                                                              |
|              | RAMspeed is a free open source command line utility to       |
|              | measure cache and memory performance of computer systems.    |
|              | RAMspeed is not always part of a Linux distribution, hence   |
|              | it needs to be installed in the test image.                  |
|              |                                                              |
+--------------+--------------------------------------------------------------+
|references    | RAMspeed_                                                    |
|              |                                                              |
|              | ETSI-NFV-TST001                                              |
|              |                                                              |
+--------------+--------------------------------------------------------------+
|applicability | Test can be configured with different:                       |
|              |                                                              |
|              |  * benchmark operations (such as INTmark [writing],          |
|              |    INTmark [reading], FLOATmark [writing],                   |
|              |    FLOATmark [reading], INTmem, FLOATmem);                   |
|              |  * block size per array;                                     |
|              |  * load per pass;                                            |
|              |  * number of batch run iterations;                           |
|              |  * iterations and intervals.                                 |
|              |                                                              |
|              | There are default values for each above-mentioned option.    |
|              |                                                              |
+--------------+--------------------------------------------------------------+
|pre-test      | The test case image needs to be installed into Glance        |
|conditions    | with RAmspeed included in the image.                         |
|              |                                                              |
|              | No POD specific requirements have been identified.           |
|              |                                                              |
+--------------+--------------------------------------------------------------+
|test sequence | description and expected result                              |
|              |                                                              |
+--------------+--------------------------------------------------------------+
|step 1        | The host is installed as client. RAMspeed is invoked and     |
|              | logs are produced and stored.                                |
|              |                                                              |
|              | Result: logs are stored.                                     |
|              |                                                              |
+--------------+--------------------------------------------------------------+
|test verdict  | Test fails if the measured memory bandwidth is below the SLA |
|              | value or if there is a test case execution problem.          |
|              |                                                              |
+--------------+--------------------------------------------------------------+