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From: Pavan Nikhilesh <pbhagavatula@caviumnetworks.com>
To: jerin.jacob@caviumnetworks.com, santosh.shukla@caviumnetworks.com,
harry.van.haaren@intel.com, gage.eads@intel.com, hemant.agrawal@nxp.com,
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Cc: dev@dpdk.org,
Pavan Nikhilesh <pbhagavatula@caviumnetworks.com>
Date: Fri, 12 Jan 2018 22:14:14 +0530
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Subject: [dpdk-dev] [PATCH v4 11/13] app/eventdev: add pipeline atq test
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This is a pipeline test case that aims at testing the following with
``all types queue`` eventdev scheme.
1. Measure the end-to-end performance of an event dev with a ethernet dev.
2. Maintain packet ordering from Rx to Tx.
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.
Note: The --prod_type_ethdev is mandatory for running the application.
Example command to run pipeline atq test:
sudo build/app/dpdk-test-eventdev -c 0xf -s 0x8 --vdev=event_sw0 -- \
--test=pipeline_atq --wlcore=1 --prod_type_ethdev --stlist=ao
Signed-off-by: Pavan Nikhilesh <pbhagavatula@caviumnetworks.com>
---
app/test-eventdev/Makefile | 1 +
app/test-eventdev/test_pipeline_atq.c | 223 ++++++++++++++++++++++++++++++++++
2 files changed, 224 insertions(+)
create mode 100644 app/test-eventdev/test_pipeline_atq.c
diff --git a/app/test-eventdev/Makefile b/app/test-eventdev/Makefile
index 94b489f41..e600e21c4 100644
--- a/app/test-eventdev/Makefile
+++ b/app/test-eventdev/Makefile
@@ -27,5 +27,6 @@ SRCS-y += test_perf_atq.c
SRCS-y += test_pipeline_common.c
SRCS-y += test_pipeline_queue.c
+SRCS-y += test_pipeline_atq.c
include $(RTE_SDK)/mk/rte.app.mk
diff --git a/app/test-eventdev/test_pipeline_atq.c b/app/test-eventdev/test_pipeline_atq.c
new file mode 100644
index 000000000..6c9ac6119
--- /dev/null
+++ b/app/test-eventdev/test_pipeline_atq.c
@@ -0,0 +1,223 @@
+/*
+ * SPDX-License-Identifier: BSD-3-Clause
+ * Copyright 2017 Cavium, Inc.
+ */
+
+#include "test_pipeline_common.h"
+
+/* See http://dpdk.org/doc/guides/tools/testeventdev.html for test details */
+
+static __rte_always_inline int
+pipeline_atq_nb_event_queues(struct evt_options *opt)
+{
+ RTE_SET_USED(opt);
+
+ return rte_eth_dev_count();
+}
+
+static int
+worker_wrapper(void *arg)
+{
+ RTE_SET_USED(arg);
+ rte_panic("invalid worker\n");
+}
+
+static int
+pipeline_atq_launch_lcores(struct evt_test *test, struct evt_options *opt)
+{
+ struct test_pipeline *t = evt_test_priv(test);
+
+ if (t->mt_unsafe)
+ rte_service_component_runstate_set(t->tx_service.service_id, 1);
+ return pipeline_launch_lcores(test, opt, worker_wrapper);
+}
+
+static int
+pipeline_atq_eventdev_setup(struct evt_test *test, struct evt_options *opt)
+{
+ int ret;
+ int nb_ports;
+ int nb_queues;
+ uint8_t queue;
+ struct rte_event_dev_info info;
+ struct test_pipeline *t = evt_test_priv(test);
+ uint8_t tx_evqueue_id = 0;
+ uint8_t queue_arr[RTE_EVENT_MAX_QUEUES_PER_DEV];
+ uint8_t nb_worker_queues = 0;
+
+ nb_ports = evt_nr_active_lcores(opt->wlcores);
+ nb_queues = rte_eth_dev_count();
+
+ /* One extra port and queueu for Tx service */
+ if (t->mt_unsafe) {
+ tx_evqueue_id = nb_queues;
+ nb_ports++;
+ nb_queues++;
+ }
+
+
+ rte_event_dev_info_get(opt->dev_id, &info);
+
+ const struct rte_event_dev_config config = {
+ .nb_event_queues = nb_queues,
+ .nb_event_ports = nb_ports,
+ .nb_events_limit = info.max_num_events,
+ .nb_event_queue_flows = opt->nb_flows,
+ .nb_event_port_dequeue_depth =
+ info.max_event_port_dequeue_depth,
+ .nb_event_port_enqueue_depth =
+ info.max_event_port_enqueue_depth,
+ };
+ ret = rte_event_dev_configure(opt->dev_id, &config);
+ if (ret) {
+ evt_err("failed to configure eventdev %d", opt->dev_id);
+ return ret;
+ }
+
+ struct rte_event_queue_conf q_conf = {
+ .priority = RTE_EVENT_DEV_PRIORITY_NORMAL,
+ .nb_atomic_flows = opt->nb_flows,
+ .nb_atomic_order_sequences = opt->nb_flows,
+ };
+ /* queue configurations */
+ for (queue = 0; queue < nb_queues; queue++) {
+ q_conf.event_queue_cfg = RTE_EVENT_QUEUE_CFG_ALL_TYPES;
+
+ if (t->mt_unsafe) {
+ if (queue == tx_evqueue_id) {
+ q_conf.event_queue_cfg =
+ RTE_EVENT_QUEUE_CFG_SINGLE_LINK;
+ } else {
+ queue_arr[nb_worker_queues] = queue;
+ nb_worker_queues++;
+ }
+ }
+
+ ret = rte_event_queue_setup(opt->dev_id, queue, &q_conf);
+ if (ret) {
+ evt_err("failed to setup queue=%d", queue);
+ return ret;
+ }
+ }
+
+ /* port configuration */
+ const struct rte_event_port_conf p_conf = {
+ .dequeue_depth = opt->wkr_deq_dep,
+ .enqueue_depth = info.max_event_port_dequeue_depth,
+ .new_event_threshold = info.max_num_events,
+ };
+
+ if (t->mt_unsafe) {
+ ret = pipeline_event_port_setup(test, opt, queue_arr,
+ nb_worker_queues, p_conf);
+ if (ret)
+ return ret;
+
+ ret = pipeline_event_tx_service_setup(test, opt, tx_evqueue_id,
+ nb_ports - 1, p_conf);
+ } else
+ ret = pipeline_event_port_setup(test, opt, NULL, nb_queues,
+ p_conf);
+
+ if (ret)
+ return ret;
+
+ /*
+ * The pipelines are setup in the following manner:
+ *
+ * eth_dev_count = 2, nb_stages = 2, atq mode
+ *
+ * Multi thread safe :
+ * queues = 2
+ * stride = 1
+ *
+ * event queue pipelines:
+ * eth0 -> q0 ->tx
+ * eth1 -> q1 ->tx
+ *
+ * q0, q1 are configured as ATQ so, all the different stages can
+ * be enqueued on the same queue.
+ *
+ * Multi thread unsafe :
+ * queues = 3
+ * stride = 1
+ *
+ * event queue pipelines:
+ * eth0 -> q0
+ * } (q3->tx) Tx service
+ * eth1 -> q1
+ *
+ * q0,q1 are configured as stated above.
+ * q3 configured as SINGLE_LINK|ATOMIC.
+ */
+ ret = pipeline_event_rx_adapter_setup(opt, 1, p_conf);
+ if (ret)
+ return ret;
+
+ if (!evt_has_distributed_sched(opt->dev_id)) {
+ uint32_t service_id;
+ rte_event_dev_service_id_get(opt->dev_id, &service_id);
+ ret = evt_service_setup(service_id);
+ if (ret) {
+ evt_err("No service lcore found to run event dev.");
+ return ret;
+ }
+ }
+
+ ret = rte_event_dev_start(opt->dev_id);
+ if (ret) {
+ evt_err("failed to start eventdev %d", opt->dev_id);
+ return ret;
+ }
+
+ return 0;
+}
+
+static void
+pipeline_atq_opt_dump(struct evt_options *opt)
+{
+ pipeline_opt_dump(opt, pipeline_atq_nb_event_queues(opt));
+}
+
+static int
+pipeline_atq_opt_check(struct evt_options *opt)
+{
+ return pipeline_opt_check(opt, pipeline_atq_nb_event_queues(opt));
+}
+
+static bool
+pipeline_atq_capability_check(struct evt_options *opt)
+{
+ struct rte_event_dev_info dev_info;
+
+ rte_event_dev_info_get(opt->dev_id, &dev_info);
+ if (dev_info.max_event_queues < pipeline_atq_nb_event_queues(opt) ||
+ dev_info.max_event_ports <
+ evt_nr_active_lcores(opt->wlcores)) {
+ evt_err("not enough eventdev queues=%d/%d or ports=%d/%d",
+ pipeline_atq_nb_event_queues(opt),
+ dev_info.max_event_queues,
+ evt_nr_active_lcores(opt->wlcores),
+ dev_info.max_event_ports);
+ }
+
+ return true;
+}
+
+static const struct evt_test_ops pipeline_atq = {
+ .cap_check = pipeline_atq_capability_check,
+ .opt_check = pipeline_atq_opt_check,
+ .opt_dump = pipeline_atq_opt_dump,
+ .test_setup = pipeline_test_setup,
+ .mempool_setup = pipeline_mempool_setup,
+ .ethdev_setup = pipeline_ethdev_setup,
+ .eventdev_setup = pipeline_atq_eventdev_setup,
+ .launch_lcores = pipeline_atq_launch_lcores,
+ .eventdev_destroy = pipeline_eventdev_destroy,
+ .mempool_destroy = pipeline_mempool_destroy,
+ .ethdev_destroy = pipeline_ethdev_destroy,
+ .test_result = pipeline_test_result,
+ .test_destroy = pipeline_test_destroy,
+};
+
+EVT_TEST_REGISTER(pipeline_atq);
--
2.14.1