Merge "Add test case description and task file for TC069"

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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 Technologies Co.,Ltd and others.
+
+*************************************
+Yardstick Test Case Description TC069
+*************************************
+
+.. _RAMspeed: http://alasir.com/software/ramspeed/
+
++-----------------------------------------------------------------------------+
+|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.          |
+|              |                                                              |
++--------------+--------------------------------------------------------------+