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diff --git a/docs/userguide/opnfv_yardstick_tc042.rst b/docs/userguide/opnfv_yardstick_tc042.rst new file mode 100644 index 000000000..8660d9297 --- /dev/null +++ b/docs/userguide/opnfv_yardstick_tc042.rst @@ -0,0 +1,87 @@ +.. 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. | +| | | ++--------------+--------------------------------------------------------------+ |