From: Pavan Nikhilesh Date: Tue, 16 Jan 2018 17:46:06 +0000 (+0530) Subject: doc: add pipeline atq test in testeventdev guide X-Git-Tag: spdx-start~155 X-Git-Url: http://git.droids-corp.org/?a=commitdiff_plain;h=d1b46daf748438b9f15cee33de8044167ee1048e;p=dpdk.git doc: add pipeline atq test in testeventdev guide Signed-off-by: Pavan Nikhilesh Acked-by: John McNamara --- 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 0000000000..e333679894 --- /dev/null +++ b/doc/guides/tools/img/eventdev_pipeline_atq_test_generic.svg @@ -0,0 +1,3263 @@ + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + image/svg+xml + + + + + + + +   + + + + worker 0 + worker 1 + worker n + port 0 + port 1 + port n + + producer 0 + + q0 + + port n+2 + + test: pipeline_atq + + producer 1 + qs + + port n+3 + + + producer m-1 + q2s + + port n+m + + + + + total queues = number of ethernet dev + 1 + All workers are linked to all stage queues + eth port 1 Rxq 0 + eth port q Rxq 0 + eth port 0 Rxq 0 + + + + eth port 1 Txq 0 + + + + eth port 0 Txq 0 + + + + eth port q Txq 0 + + Event ethRx adptr 0 + Event ethRx adptr 1 + Event ethRx adptr q + + + Tx Serviceport n + 1 + + + + + + + + + + + Single Link Q + + + + (Tx Generic) + + diff --git a/doc/guides/tools/img/eventdev_pipeline_atq_test_lockfree.svg b/doc/guides/tools/img/eventdev_pipeline_atq_test_lockfree.svg new file mode 100644 index 0000000000..d7f10de3e8 --- /dev/null +++ b/doc/guides/tools/img/eventdev_pipeline_atq_test_lockfree.svg @@ -0,0 +1,3344 @@ + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + image/svg+xml + + + + + + + +   + + + + worker 0 + worker 1 + worker n + port 0 + port 1 + port n + + producer 0 + + q0 + + port n+1 + + test: pipeline_atq + + producer 1 + qs + + port n+2 + + + producer m-1 + q2s + + port n+m + + + + + total queues = number of ethernet dev + All workers are linked to all queues + eth port 1 Rxq 0 + eth port q Rxq 0 + eth port 0 Rxq 0 + + + + eth port 1 Txq 0 + + + + eth port 0 Txq 0 + + + + eth port q Txq 0 + + Event ethRx adptr 0 + Event ethRx adptr 1 + Event ethRx adptr q + + + + + + + + + + + + + + (Tx Lock free) + + diff --git a/doc/guides/tools/testeventdev.rst b/doc/guides/tools/testeventdev.rst index 33fe5e7308..77480ffe91 100644 --- a/doc/guides/tools/testeventdev.rst +++ 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