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| author |   Ana C <ana.cunha@ericsson.com> | 2016-02-10 19:07:13 +0100 |
|---|---|---|
| committer | Ana Cunha <ana.cunha@ericsson.com> | 2016-02-11 15:05:18 +0000 |
| commit | 95cdd0ea41e3892422de92f13fac39871585706e (patch) | |
| tree | d8703d6411af6614b299a1005495c389327793ad /docs/userguide/opnfv_yardstick_tc012.rst | |
| parent | 5f2938cc116f5c8769317e043440d79a0fb2045f (diff) | |
Add license info and update structure
This change adds license to all .rst files under userguide.
It also combines all configguide files into user guide.
New reference.rst with list of links.
Updated glossary, removed separate directories for apexlake and yardstick
framework.
Change-Id: I6532ed073905b0fa85a17e759ea7dc3c24acb91f
Signed-off-by: Ana C <ana.cunha@ericsson.com>
(cherry picked from commit 702eebbf78b29fb9046436dd71575b4f210f4731)
Diffstat (limited to 'docs/userguide/opnfv_yardstick_tc012.rst')
| -rw-r--r-- | docs/userguide/opnfv_yardstick_tc012.rst | 86 |
1 files changed, 86 insertions, 0 deletions
diff --git a/docs/userguide/opnfv_yardstick_tc012.rst b/docs/userguide/opnfv_yardstick_tc012.rst new file mode 100644 index 000000000..ffce06eb9 --- /dev/null +++ b/docs/userguide/opnfv_yardstick_tc012.rst @@ -0,0 +1,86 @@ +.. 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 TC012 +************************************* + +.. _man-pages: http://manpages.ubuntu.com/manpages/trusty/bw_mem.8.html + ++-----------------------------------------------------------------------------+ +|Memory Bandwidth | +| | ++--------------+--------------------------------------------------------------+ +|test case id | OPNFV_YARDSTICK_TC012_Memory Bandwidth | +| | | ++--------------+--------------------------------------------------------------+ +|metric | Megabyte per second (MBps) | +| | | ++--------------+--------------------------------------------------------------+ +|test purpose | Measure the rate at which data can be read from and written | +| | to the memory (this includes all levels of memory). | +| | | ++--------------+--------------------------------------------------------------+ +|configuration | File: opnfv_yardstick_tc012.yaml | +| | | +| | * SLA (optional): 15000 (MBps) min_bw: The minimum amount of | +| | memory bandwidth that is accepted. | +| | * Size: 10 240 kB - test allocates twice that size (20 480kB)| +| | zeros it and then measures the time it takes to copy from | +| | one side to another. | +| | * Benchmark: rdwr - measures the time to read data into | +| | memory and then write data to the same location. | +| | * Warmup: 0 - the number of iterations to perform before | +| | taking actual measurements. | +| | * Iterations: 10 - test is run 10 times iteratively. | +| | * Interval: 1 - there is 1 second delay between each | +| | iteration. | +| | | ++--------------+--------------------------------------------------------------+ +|test tool | Lmbench | +| | | +| | Lmbench is a suite of operating system microbenchmarks. This | +| | test uses bw_mem tool from that suite. | +| | Lmbench is not always part of a Linux distribution, hence it | +| | needs to be installed in the test image. | +| | | ++--------------+--------------------------------------------------------------+ +|references | man-pages_ | +| | | +| | McVoy, Larry W., and Carl Staelin. "lmbench: Portable Tools | +| | for Performance Analysis." USENIX annual technical | +| | conference. 1996. | +| | | ++--------------+--------------------------------------------------------------+ +|applicability | Test can be configured with different: | +| | | +| | * memory sizes; | +| | * memory operations (such as rd, wr, rdwr, cp, frd, fwr, | +| | fcp, bzero, bcopy); | +| | * number of warmup 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 Lmbench 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. Lmbench's bw_mem tool 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. | +| | | ++--------------+--------------------------------------------------------------+ |