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caviumnetworks.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 16 Jan 2018 17:48:42.7818 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: acd8bc4b-3101-477c-0e31-08d55d096479 X-MS-Exchange-CrossTenant-FromEntityHeader: Hosted X-MS-Exchange-CrossTenant-Id: 711e4ccf-2e9b-4bcf-a551-4094005b6194 X-MS-Exchange-Transport-CrossTenantHeadersStamped: CY4PR07MB3464 Subject: [dpdk-dev] [PATCH v7 14/15] doc: add pipeline atq test in eventdev test guide X-BeenThere: dev@dpdk.org X-Mailman-Version: 2.1.15 Precedence: list List-Id: DPDK patches and discussions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dev-bounces@dpdk.org Sender: "dev" Signed-off-by: Pavan Nikhilesh Acked-by: John McNamara --- .../img/eventdev_pipeline_atq_test_generic.svg | 3263 +++++++++++++++++++ .../img/eventdev_pipeline_atq_test_lockfree.svg | 3344 ++++++++++++++++++++ doc/guides/tools/testeventdev.rst | 85 + 3 files changed, 6692 insertions(+) create mode 100644 doc/guides/tools/img/eventdev_pipeline_atq_test_generic.svg create mode 100644 doc/guides/tools/img/eventdev_pipeline_atq_test_lockfree.svg diff --git a/doc/guides/tools/img/eventdev_pipeline_atq_test_generic.svg b/doc/guides/tools/img/eventdev_pipeline_atq_test_generic.svg new file mode 100644 index 000000000..e33367989 --- /dev/null +++ b/doc/guides/tools/img/eventdev_pipeline_atq_test_generic.svg @@ -0,0 +1,3263 @@ + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + 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b/doc/guides/tools/testeventdev.rst @@ -547,3 +547,88 @@ Example command to run pipeline queue test: sudo build/app/dpdk-test-eventdev -c 0xf -s 0x8 --vdev=event_sw0 -- \ --test=pipeline_queue --wlcore=1 --prod_type_ethdev --stlist=a + + +PIPELINE_ATQ Test +~~~~~~~~~~~~~~~~~~~ + +This is a pipeline test case that aims at testing the following with +``all types queue`` eventdev scheme. + +#. Measure the end-to-end performance of an event dev with a ethernet dev. +#. Maintain packet ordering from Rx to Tx. + +.. _table_eventdev_pipeline_atq_test: + +.. table:: Pipeline atq test eventdev configuration. + + +---+--------------+----------------+-----------------------------------------+ + | # | Items | Value | Comments | + | | | | | + +===+==============+================+=========================================+ + | 1 | nb_queues | nb_producers + | Queues will be configured based on the | + | | | x | user requested sched type list(--stlist)| + | | | | where x = 1 in generic pipeline and 0 | + | | | | in lockfree pipeline | + +---+--------------+----------------+-----------------------------------------+ + | 2 | nb_producers | >= 1 | Producers will be configured based on | + | | | | the number of detected ethernet devices.| + | | | | Each ethdev will be configured as an Rx | + | | | | adapter. | + +---+--------------+----------------+-----------------------------------------+ + | 3 | nb_workers | >= 1 | Selected through --wlcores command line | + | | | | argument | + +---+--------------+----------------+-----------------------------------------+ + | 4 | nb_ports | nb_workers + | Workers use port 0 to port n. | + | | | nb_producers | Producers use port n+1 to port n+m, | + | | | | depending on the Rx adapter capability. | + +---+--------------+----------------+-----------------------------------------+ + +.. _figure_eventdev_pipeline_atq_test_generic: + +.. figure:: img/eventdev_pipeline_atq_test_generic.* + +.. _figure_eventdev_pipeline_atq_test_lockfree: + +.. figure:: img/eventdev_pipeline_atq_test_lockfree.* + + pipeline atq test operation. + +The pipeline atq test configures the eventdev with Q queues and P ports, +where Q and P is a function of the number of workers, the number of producers +and number of stages as mentioned in :numref:`table_eventdev_pipeline_atq_test`. + +The atq queue test functions as same as ``pipeline_queue`` test. The difference +is, It uses, ``all type queue scheme`` instead of separate queues for each +stage and thus reduces the number of queues required to realize the use case. + + +Application options +^^^^^^^^^^^^^^^^^^^ + +Supported application command line options are following:: + + --verbose + --dev + --test + --socket_id + --pool_sz + --wlcores + --stlist + --worker_deq_depth + --prod_type_ethdev + + +.. Note:: + + * The ``--prod_type_ethdev`` is mandatory for running this test. + +Example +^^^^^^^ + +Example command to run pipeline queue test: + +.. code-block:: console + + sudo build/app/dpdk-test-eventdev -c 0xf -s 0x8 --vdev=event_sw0 -- \ + --test=pipeline_atq --wlcore=1 --prod_type_ethdev --stlist=a