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authorKubi <jean.gaoliang@huawei.com>2017-03-09 01:28:07 +0000
committerGerrit Code Review <gerrit@opnfv.org>2017-03-09 01:28:07 +0000
commit270d6092c809e8de039a08efd8c108f865cf860e (patch)
treef3ef32dd0639523a002cf32025d40bbabdcecd4c /docs/testing/user/userguide/opnfv_yardstick_tc042.rst
parent6fd6dd87fe4914b970d13e346194612fbc685e64 (diff)
parentfd54fcc22170aa880fc49730730ad80896e2e608 (diff)
Merge "Yardstick Preliminary Documentation"
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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, ZTE and others.
+
+***************************************
+Yardstick Test Case Description TC0042
+***************************************
+
+.. _DPDK: http://dpdk.org/doc/guides/index.html
+.. _Testpmd: http://dpdk.org/doc/guides/testpmd_app_ug/index.html
+.. _Pktgen-dpdk: http://pktgen.readthedocs.io/en/latest/index.html
+
++-----------------------------------------------------------------------------+
+|Network Performance |
+| |
++--------------+--------------------------------------------------------------+
+|test case id | OPNFV_YARDSTICK_TC042_DPDK pktgen latency measurements |
+| | |
++--------------+--------------------------------------------------------------+
+|metric | L2 Network Latency |
+| | |
++--------------+--------------------------------------------------------------+
+|test purpose | Measure L2 network latency when DPDK is enabled between hosts|
+| | on different compute blades. |
+| | |
++--------------+--------------------------------------------------------------+
+|configuration | file: opnfv_yardstick_tc042.yaml |
+| | |
+| | * Packet size: 64 bytes |
+| | * SLA(max_latency): 100usec |
+| | |
++--------------+--------------------------------------------------------------+
+|test tool | DPDK_ |
+| | Pktgen-dpdk_ |
+| | |
+| | (DPDK and Pktgen-dpdk are not part of a Linux distribution, |
+| | hence they needs to be installed. |
+| | As an example see the /yardstick/tools/ directory for how to |
+| | generate a Linux image with DPDK and pktgen-dpdk included.) |
+| | |
++--------------+--------------------------------------------------------------+
+|references | DPDK_ |
+| | |
+| | Pktgen-dpdk_ |
+| | |
+| | ETSI-NFV-TST001 |
+| | |
++--------------+--------------------------------------------------------------+
+|applicability | Test can be configured with different packet sizes. Default |
+| | values exist. |
+| | |
++--------------+--------------------------------------------------------------+
+|pre-test | The test case image needs to be installed into Glance |
+|conditions | with DPDK and pktgen-dpdk included in it. |
+| | |
+| | The NICs of compute nodes must support DPDK on POD. |
+| | |
+| | And at least compute nodes setup hugepage. |
+| | |
+| | If you want to achievement a hight performance result, it is |
+| | recommend to use NUAM, CPU pin, OVS and so on. |
+| | |
++--------------+--------------------------------------------------------------+
+|test sequence | description and expected result |
+| | |
++--------------+--------------------------------------------------------------+
+|step 1 | The hosts are installed on different blades, as server and |
+| | client. Both server and client have three interfaces. The |
+| | first one is management such as ssh. The other two are used |
+| | by DPDK. |
+| | |
++--------------+--------------------------------------------------------------+
+|step 2 | Testpmd_ is invoked with configurations to forward packets |
+| | from one DPDK port to the other on server. |
+| | |
++--------------+--------------------------------------------------------------+
+|step 3 | Pktgen-dpdk is invoked with configurations as a traffic |
+| | generator and logs are produced and stored on client. |
+| | |
+| | Result: Logs are stored. |
+| | |
++--------------+--------------------------------------------------------------+
+|test verdict | Fails only if SLA is not passed, or if there is a test case |
+| | execution problem. |
+| | |
++--------------+--------------------------------------------------------------+