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diff --git a/docs/userguide/opnfv_yardstick_tc004.rst b/docs/userguide/opnfv_yardstick_tc004.rst new file mode 100644 index 000000000..301286126 --- /dev/null +++ b/docs/userguide/opnfv_yardstick_tc004.rst @@ -0,0 +1,77 @@ +.. 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 TC004 +************************************* + +.. _cachestat: https://github.com/brendangregg/perf-tools/tree/master/fs + ++-----------------------------------------------------------------------------+ +|Cache Utilization | +| | ++--------------+--------------------------------------------------------------+ +|test case id | OPNFV_YARDSTICK_TC004_Cache Utilization | +| | | ++--------------+--------------------------------------------------------------+ +|metric | Cache Utilization | +| | | ++--------------+--------------------------------------------------------------+ +|test purpose | To evaluate the IaaS compute capability with regards to | +| | cache utilization.This test case should be run in parallel | +| | to other Yardstick test cases and not run as a stand-alone | +| | test case. | +| | Measure the cache usage statistics including cache hit, | +| | cache miss, hit ratio, page cache size and page cache size. | +| | Both average 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: cachestat.yaml (in the 'samples' directory) | +| | | +| | * interval: 1 - repeat, pausing every 1 seconds in-between. | +| | | ++--------------+--------------------------------------------------------------+ +|test tool | cachestat | +| | | +| | cachestat is not always part of a Linux distribution, hence | +| | it needs to be installed. | +| | | ++--------------+--------------------------------------------------------------+ +|references | cachestat_ | +| | | +| | ETSI-NFV-TST001 | +| | | ++--------------+--------------------------------------------------------------+ +|applicability | Test can be configured with different: | +| | | +| | * interval; | +| | * runner Duration. | +| | | +| | 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 cachestat 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. The related TC, or TCs, is | +| | invoked and cachestat logs are produced and stored. | +| | | +| | Result: logs are stored. | +| | | ++--------------+--------------------------------------------------------------+ +|test verdict | None. Cache utilization results are fetched and stored. | +| | | ++--------------+--------------------------------------------------------------+ |