app/testeventdev: add perf queue test
[dpdk.git] / app / test-eventdev / test_perf_queue.c
diff --git a/app/test-eventdev/test_perf_queue.c b/app/test-eventdev/test_perf_queue.c
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+/*
+ *   BSD LICENSE
+ *
+ *   Copyright (C) Cavium 2017.
+ *
+ *   Redistribution and use in source and binary forms, with or without
+ *   modification, are permitted provided that the following conditions
+ *   are met:
+ *
+ *     * Redistributions of source code must retain the above copyright
+ *       notice, this list of conditions and the following disclaimer.
+ *     * Redistributions in binary form must reproduce the above copyright
+ *       notice, this list of conditions and the following disclaimer in
+ *       the documentation and/or other materials provided with the
+ *       distribution.
+ *     * Neither the name of Cavium nor the names of its
+ *       contributors may be used to endorse or promote products derived
+ *       from this software without specific prior written permission.
+ *
+ *   THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ *   "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ *   LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+ *   A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ *   OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ *   SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+ *   LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ *   DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ *   THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ *   (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ *   OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#include "test_perf_common.h"
+
+/* See http://dpdk.org/doc/guides/tools/testeventdev.html for test details */
+
+static inline int
+perf_queue_nb_event_queues(struct evt_options *opt)
+{
+       /* nb_queues = number of producers * number of stages */
+       return evt_nr_active_lcores(opt->plcores) * opt->nb_stages;
+}
+
+static int
+perf_queue_eventdev_setup(struct evt_test *test, struct evt_options *opt)
+{
+       uint8_t queue;
+       int nb_stages = opt->nb_stages;
+       int ret;
+
+       const struct rte_event_dev_config config = {
+                       .nb_event_queues = perf_queue_nb_event_queues(opt),
+                       .nb_event_ports = perf_nb_event_ports(opt),
+                       .nb_events_limit  = 4096,
+                       .nb_event_queue_flows = opt->nb_flows,
+                       .nb_event_port_dequeue_depth = 128,
+                       .nb_event_port_enqueue_depth = 128,
+       };
+
+       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 < perf_queue_nb_event_queues(opt); queue++) {
+               q_conf.event_queue_cfg =  evt_sched_type2queue_cfg
+                               (opt->sched_type_list[queue % nb_stages]);
+
+               if (opt->q_priority) {
+                       uint8_t stage_pos = queue % nb_stages;
+                       /* Configure event queues(stage 0 to stage n) with
+                        * RTE_EVENT_DEV_PRIORITY_LOWEST to
+                        * RTE_EVENT_DEV_PRIORITY_HIGHEST.
+                        */
+                       uint8_t step = RTE_EVENT_DEV_PRIORITY_LOWEST /
+                                       (nb_stages - 1);
+                       /* Higher prio for the queues closer to last stage */
+                       q_conf.priority = RTE_EVENT_DEV_PRIORITY_LOWEST -
+                                       (step * stage_pos);
+               }
+               ret = rte_event_queue_setup(opt->dev_id, queue, &q_conf);
+               if (ret) {
+                       evt_err("failed to setup queue=%d", queue);
+                       return ret;
+               }
+       }
+
+       ret = perf_event_dev_port_setup(test, opt, nb_stages /* stride */,
+                                       perf_queue_nb_event_queues(opt));
+       if (ret)
+               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
+perf_queue_opt_dump(struct evt_options *opt)
+{
+       evt_dump_fwd_latency(opt);
+       perf_opt_dump(opt, perf_queue_nb_event_queues(opt));
+}
+
+static int
+perf_queue_opt_check(struct evt_options *opt)
+{
+       return perf_opt_check(opt, perf_queue_nb_event_queues(opt));
+}
+
+static bool
+perf_queue_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 < perf_queue_nb_event_queues(opt) ||
+                       dev_info.max_event_ports < perf_nb_event_ports(opt)) {
+               evt_err("not enough eventdev queues=%d/%d or ports=%d/%d",
+                       perf_queue_nb_event_queues(opt),
+                       dev_info.max_event_queues,
+                       perf_nb_event_ports(opt), dev_info.max_event_ports);
+       }
+
+       return true;
+}
+
+static const struct evt_test_ops perf_queue =  {
+       .cap_check          = perf_queue_capability_check,
+       .opt_check          = perf_queue_opt_check,
+       .opt_dump           = perf_queue_opt_dump,
+       .test_setup         = perf_test_setup,
+       .mempool_setup      = perf_mempool_setup,
+       .eventdev_setup     = perf_queue_eventdev_setup,
+       .eventdev_destroy   = perf_eventdev_destroy,
+       .mempool_destroy    = perf_mempool_destroy,
+       .test_result        = perf_test_result,
+       .test_destroy       = perf_test_destroy,
+};
+
+EVT_TEST_REGISTER(perf_queue);