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| author |   Ana C <ana.cunha@ericsson.com> | 2016-02-10 19:07:13 +0100 |
|---|---|---|
| committer | Ana C <ana.cunha@ericsson.com> | 2016-02-11 09:39:59 +0100 |
| commit | 702eebbf78b29fb9046436dd71575b4f210f4731 (patch) | |
| tree | e7ef6278850111d67e414a44561066ec00061331 /docs/userguide/opnfv_yardstick_tc010.rst | |
| parent | fd3dd37a734a741a823962dbc646480ece70b3bb (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>
Diffstat (limited to 'docs/userguide/opnfv_yardstick_tc010.rst')
| -rw-r--r-- | docs/userguide/opnfv_yardstick_tc010.rst | 82 |
1 files changed, 82 insertions, 0 deletions
diff --git a/docs/userguide/opnfv_yardstick_tc010.rst b/docs/userguide/opnfv_yardstick_tc010.rst new file mode 100644 index 000000000..ab793de76 --- /dev/null +++ b/docs/userguide/opnfv_yardstick_tc010.rst @@ -0,0 +1,82 @@ +.. 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 TC010 +************************************* + +.. _man-pages: http://manpages.ubuntu.com/manpages/trusty/lat_mem_rd.8.html + ++-----------------------------------------------------------------------------+ +|Memory Latency | +| | ++--------------+--------------------------------------------------------------+ +|test case id | OPNFV_YARDSTICK_TC010_Memory Latency | +| | | ++--------------+--------------------------------------------------------------+ +|metric | Latency in nanoseconds | +| | | ++--------------+--------------------------------------------------------------+ +|test purpose | Measure the memory read latency for varying memory sizes and | +| | strides. Whole memory hierarchy is measured including all | +| | levels of cache. | +| | | ++--------------+--------------------------------------------------------------+ +|configuration | File: opnfv_yardstick_tc010.yaml | +| | | +| | * SLA (max_latency): 30 nanoseconds | +| | * Stride - 128 bytes | +| | * Stop size - 64 megabytes | +| | * 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 lat_mem_rd 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: | +| | | +| | * strides; | +| | * stop_size; | +| | * iterations and intervals. | +| | | +| | There are default values for each above-mentioned option. | +| | | +| | SLA (optional) : max_latency: The maximum memory latency | +| | that is accepted. | +| | | ++--------------+--------------------------------------------------------------+ +|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 lat_mem_rd tool | +| | is invoked and logs are produced and stored. | +| | | +| | Result: logs are stored. | +| | | ++--------------+--------------------------------------------------------------+ +|test verdict | Test fails if the measured memory latency is above the SLA | +| | value or if there is a test case execution problem. | +| | | ++--------------+--------------------------------------------------------------+ |