app/test-eventdev/test_perf_atq.c

   1 /*
   2  *   BSD LICENSE
   3  *
   4  *   Copyright (C) Cavium 2017.
   5  *
   6  *   Redistribution and use in source and binary forms, with or without
   7  *   modification, are permitted provided that the following conditions
   8  *   are met:
   9  *
  10  *     * Redistributions of source code must retain the above copyright
  11  *       notice, this list of conditions and the following disclaimer.
  12  *     * Redistributions in binary form must reproduce the above copyright
  13  *       notice, this list of conditions and the following disclaimer in
  14  *       the documentation and/or other materials provided with the
  15  *       distribution.
  16  *     * Neither the name of Cavium nor the names of its
  17  *       contributors may be used to endorse or promote products derived
  18  *       from this software without specific prior written permission.
  19  *
  20  *   THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
  21  *   "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
  22  *   LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
  23  *   A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
  24  *   OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
  25  *   SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
  26  *   LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
  27  *   DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
  28  *   THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  29  *   (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
  30  *   OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  31  */
  32
  33 #include "test_perf_common.h"
  34
  35 /* See http://dpdk.org/doc/guides/tools/testeventdev.html for test details */
  36
  37 static inline int
  38 atq_nb_event_queues(struct evt_options *opt)
  39 {
  40         /* nb_queues = number of producers */
  41         return evt_nr_active_lcores(opt->plcores);
  42 }
  43
  44 static int
  45 perf_atq_eventdev_setup(struct evt_test *test, struct evt_options *opt)
  46 {
  47         int ret;
  48         uint8_t queue;
  49
  50         const struct rte_event_dev_config config = {
  51                         .nb_event_queues = atq_nb_event_queues(opt),
  52                         .nb_event_ports = perf_nb_event_ports(opt),
  53                         .nb_events_limit  = 4096,
  54                         .nb_event_queue_flows = opt->nb_flows,
  55                         .nb_event_port_dequeue_depth = 128,
  56                         .nb_event_port_enqueue_depth = 128,
  57         };
  58
  59         ret = rte_event_dev_configure(opt->dev_id, &config);
  60         if (ret) {
  61                 evt_err("failed to configure eventdev %d", opt->dev_id);
  62                 return ret;
  63         }
  64
  65         struct rte_event_queue_conf q_conf = {
  66                         .priority = RTE_EVENT_DEV_PRIORITY_NORMAL,
  67                         .event_queue_cfg = RTE_EVENT_QUEUE_CFG_ALL_TYPES,
  68                         .nb_atomic_flows = opt->nb_flows,
  69                         .nb_atomic_order_sequences = opt->nb_flows,
  70         };
  71         /* queue configurations */
  72         for (queue = 0; queue < atq_nb_event_queues(opt); queue++) {
  73                 ret = rte_event_queue_setup(opt->dev_id, queue, &q_conf);
  74                 if (ret) {
  75                         evt_err("failed to setup queue=%d", queue);
  76                         return ret;
  77                 }
  78         }
  79
  80         ret = perf_event_dev_port_setup(test, opt, 1 /* stride */,
  81                                         atq_nb_event_queues(opt));
  82         if (ret)
  83                 return ret;
  84
  85         ret = rte_event_dev_start(opt->dev_id);
  86         if (ret) {
  87                 evt_err("failed to start eventdev %d", opt->dev_id);
  88                 return ret;
  89         }
  90
  91         return 0;
  92 }
  93
  94 static void
  95 perf_atq_opt_dump(struct evt_options *opt)
  96 {
  97         perf_opt_dump(opt, atq_nb_event_queues(opt));
  98 }
  99
 100 static int
 101 perf_atq_opt_check(struct evt_options *opt)
 102 {
 103         return perf_opt_check(opt, atq_nb_event_queues(opt));
 104 }
 105
 106 static bool
 107 perf_atq_capability_check(struct evt_options *opt)
 108 {
 109         struct rte_event_dev_info dev_info;
 110
 111         rte_event_dev_info_get(opt->dev_id, &dev_info);
 112         if (dev_info.max_event_queues < atq_nb_event_queues(opt) ||
 113                         dev_info.max_event_ports < perf_nb_event_ports(opt)) {
 114                 evt_err("not enough eventdev queues=%d/%d or ports=%d/%d",
 115                         atq_nb_event_queues(opt), dev_info.max_event_queues,
 116                         perf_nb_event_ports(opt), dev_info.max_event_ports);
 117         }
 118         if (!evt_has_all_types_queue(opt->dev_id))
 119                 return false;
 120
 121         return true;
 122 }
 123
 124 static const struct evt_test_ops perf_atq =  {
 125         .cap_check          = perf_atq_capability_check,
 126         .opt_check          = perf_atq_opt_check,
 127         .opt_dump           = perf_atq_opt_dump,
 128         .test_setup         = perf_test_setup,
 129         .mempool_setup      = perf_mempool_setup,
 130         .eventdev_setup     = perf_atq_eventdev_setup,
 131         .eventdev_destroy   = perf_eventdev_destroy,
 132         .mempool_destroy    = perf_mempool_destroy,
 133         .test_result        = perf_test_result,
 134         .test_destroy       = perf_test_destroy,
 135 };
 136
 137 EVT_TEST_REGISTER(perf_atq);