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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, Ericsson AB and others.
+
+*************************************
+Yardstick Test Case Description TC024
+*************************************
+
+.. _man-pages: http://manpages.ubuntu.com/manpages/trusty/man1/mpstat.1.html
+
++-----------------------------------------------------------------------------+
+| CPU Load |
+| |
++--------------+--------------------------------------------------------------+
+|test case id | OPNFV_YARDSTICK_TC024_CPU Load |
+| | |
++--------------+--------------------------------------------------------------+
+|metric | CPU load |
+| | |
++--------------+--------------------------------------------------------------+
+|test purpose | To evaluate the CPU load performance of the IaaS. This test |
+| | case should be run in parallel to other Yardstick test cases |
+| | and not run as a stand-alone test case. |
+| | Average, minimum and maximun values are obtained. |
+| | The purpose is also to be able to spot trends. |
+| | Test results, graphs and similar shall be stored for |
+| | comparison reasons and product evolution understanding |
+| | between different OPNFV versions and/or configurations. |
+| | |
++--------------+--------------------------------------------------------------+
+|configuration | file: cpuload.yaml (in the 'samples' directory) |
+| | |
+| | * interval: 1 - repeat, pausing every 1 seconds in-between. |
+| | * count: 10 - display statistics 10 times, then exit. |
+| | |
++--------------+--------------------------------------------------------------+
+|test tool | mpstat |
+| | |
+| | (mpstat is not always part of a Linux distribution, hence it |
+| | needs to be installed. It is part of the Yardstick Glance |
+| | image. However, if mpstat is not present the TC instead uses |
+| | /proc/stats as source to produce "mpstat" output. |
+| | |
++--------------+--------------------------------------------------------------+
+|references | man-pages_ |
+| | |
++--------------+--------------------------------------------------------------+
+|applicability | Test can be configured with different: |
+| | |
+| | * interval; |
+| | * count; |
+| | * runner Iteration and intervals. |
+| | |
+| | There are default values for each above-mentioned option. |
+| | Run in background with other test cases. |
+| | |
++--------------+--------------------------------------------------------------+
+|pre-test | The test case image needs to be installed into Glance |
+|conditions | with mpstat included in it. |
+| | |
+| | No POD specific requirements have been identified. |
+| | |
++--------------+--------------------------------------------------------------+
+|test sequence | description and expected result |
+| | |
++--------------+--------------------------------------------------------------+
+|step 1 | The host is installed. The related TC, or TCs, is |
+| | invoked and mpstat logs are produced and stored. |
+| | |
+| | Result: Stored logs |
+| | |
++--------------+--------------------------------------------------------------+
+|test verdict | None. CPU load results are fetched and stored. |
+| | |
++--------------+--------------------------------------------------------------+