app/test-eventdev/test_perf_atq.c

   1 /* SPDX-License-Identifier: BSD-3-Clause
   2  * Copyright(c) 2017 Cavium, Inc
   3  */
   4
   5 #include "test_perf_common.h"
   6
   7 /* See http://doc.dpdk.org/guides/tools/testeventdev.html for test details */
   8
   9 static inline int
  10 atq_nb_event_queues(struct evt_options *opt)
  11 {
  12         /* nb_queues = number of producers */
  13         return opt->prod_type == EVT_PROD_TYPE_ETH_RX_ADPTR ?
  14                 rte_eth_dev_count_avail() : evt_nr_active_lcores(opt->plcores);
  15 }
  16
  17 static __rte_always_inline void
  18 atq_mark_fwd_latency(struct rte_event *const ev)
  19 {
  20         if (unlikely(ev->sub_event_type == 0)) {
  21                 struct perf_elt *const m = ev->event_ptr;
  22
  23                 m->timestamp = rte_get_timer_cycles();
  24         }
  25 }
  26
  27 static __rte_always_inline void
  28 atq_fwd_event(struct rte_event *const ev, uint8_t *const sched_type_list,
  29                 const uint8_t nb_stages)
  30 {
  31         ev->sub_event_type++;
  32         ev->sched_type = sched_type_list[ev->sub_event_type % nb_stages];
  33         ev->op = RTE_EVENT_OP_FORWARD;
  34         ev->event_type = RTE_EVENT_TYPE_CPU;
  35 }
  36
  37 static int
  38 perf_atq_worker(void *arg, const int enable_fwd_latency)
  39 {
  40         PERF_WORKER_INIT;
  41         struct rte_event ev;
  42
  43         while (t->done == false) {
  44                 uint16_t event = rte_event_dequeue_burst(dev, port, &ev, 1, 0);
  45
  46                 if (!event) {
  47                         rte_pause();
  48                         continue;
  49                 }
  50
  51                 if (prod_crypto_type &&
  52                     (ev.event_type == RTE_EVENT_TYPE_CRYPTODEV)) {
  53                         struct rte_crypto_op *op = ev.event_ptr;
  54
  55                         if (op->status == RTE_CRYPTO_OP_STATUS_SUCCESS) {
  56                                 if (op->sym->m_dst == NULL)
  57                                         ev.event_ptr = op->sym->m_src;
  58                                 else
  59                                         ev.event_ptr = op->sym->m_dst;
  60                                 rte_crypto_op_free(op);
  61                         } else {
  62                                 rte_crypto_op_free(op);
  63                                 continue;
  64                         }
  65                 }
  66
  67                 if (enable_fwd_latency && !prod_timer_type)
  68                 /* first stage in pipeline, mark ts to compute fwd latency */
  69                         atq_mark_fwd_latency(&ev);
  70
  71                 /* last stage in pipeline */
  72                 if (unlikely((ev.sub_event_type % nb_stages) == laststage)) {
  73                         if (enable_fwd_latency)
  74                                 cnt = perf_process_last_stage_latency(pool,
  75                                         &ev, w, bufs, sz, cnt);
  76                         else
  77                                 cnt = perf_process_last_stage(pool, &ev, w,
  78                                          bufs, sz, cnt);
  79                 } else {
  80                         atq_fwd_event(&ev, sched_type_list, nb_stages);
  81                         while (rte_event_enqueue_burst(dev, port, &ev, 1) != 1)
  82                                 rte_pause();
  83                 }
  84         }
  85         return 0;
  86 }
  87
  88 static int
  89 perf_atq_worker_burst(void *arg, const int enable_fwd_latency)
  90 {
  91         PERF_WORKER_INIT;
  92         uint16_t i;
  93         /* +1 to avoid prefetch out of array check */
  94         struct rte_event ev[BURST_SIZE + 1];
  95
  96         while (t->done == false) {
  97                 uint16_t const nb_rx = rte_event_dequeue_burst(dev, port, ev,
  98                                 BURST_SIZE, 0);
  99
 100                 if (!nb_rx) {
 101                         rte_pause();
 102                         continue;
 103                 }
 104
 105                 for (i = 0; i < nb_rx; i++) {
 106                         if (prod_crypto_type &&
 107                             (ev[i].event_type == RTE_EVENT_TYPE_CRYPTODEV)) {
 108                                 struct rte_crypto_op *op = ev[i].event_ptr;
 109
 110                                 if (op->status ==
 111                                     RTE_CRYPTO_OP_STATUS_SUCCESS) {
 112                                         if (op->sym->m_dst == NULL)
 113                                                 ev[i].event_ptr =
 114                                                         op->sym->m_src;
 115                                         else
 116                                                 ev[i].event_ptr =
 117                                                         op->sym->m_dst;
 118                                         rte_crypto_op_free(op);
 119                                 } else {
 120                                         rte_crypto_op_free(op);
 121                                         continue;
 122                                 }
 123                         }
 124
 125                         if (enable_fwd_latency && !prod_timer_type) {
 126                                 rte_prefetch0(ev[i+1].event_ptr);
 127                                 /* first stage in pipeline.
 128                                  * mark time stamp to compute fwd latency
 129                                  */
 130                                 atq_mark_fwd_latency(&ev[i]);
 131                         }
 132                         /* last stage in pipeline */
 133                         if (unlikely((ev[i].sub_event_type % nb_stages)
 134                                                 == laststage)) {
 135                                 if (enable_fwd_latency)
 136                                         cnt = perf_process_last_stage_latency(
 137                                                 pool, &ev[i], w, bufs, sz, cnt);
 138                                 else
 139                                         cnt = perf_process_last_stage(pool,
 140                                                 &ev[i], w, bufs, sz, cnt);
 141
 142                                 ev[i].op = RTE_EVENT_OP_RELEASE;
 143                         } else {
 144                                 atq_fwd_event(&ev[i], sched_type_list,
 145                                                 nb_stages);
 146                         }
 147                 }
 148
 149                 uint16_t enq;
 150
 151                 enq = rte_event_enqueue_burst(dev, port, ev, nb_rx);
 152                 while (enq < nb_rx) {
 153                         enq += rte_event_enqueue_burst(dev, port,
 154                                                         ev + enq, nb_rx - enq);
 155                 }
 156         }
 157         return 0;
 158 }
 159
 160 static int
 161 worker_wrapper(void *arg)
 162 {
 163         struct worker_data *w  = arg;
 164         struct evt_options *opt = w->t->opt;
 165
 166         const bool burst = evt_has_burst_mode(w->dev_id);
 167         const int fwd_latency = opt->fwd_latency;
 168
 169         /* allow compiler to optimize */
 170         if (!burst && !fwd_latency)
 171                 return perf_atq_worker(arg, 0);
 172         else if (!burst && fwd_latency)
 173                 return perf_atq_worker(arg, 1);
 174         else if (burst && !fwd_latency)
 175                 return perf_atq_worker_burst(arg, 0);
 176         else if (burst && fwd_latency)
 177                 return perf_atq_worker_burst(arg, 1);
 178
 179         rte_panic("invalid worker\n");
 180 }
 181
 182 static int
 183 perf_atq_launch_lcores(struct evt_test *test, struct evt_options *opt)
 184 {
 185         return perf_launch_lcores(test, opt, worker_wrapper);
 186 }
 187
 188 static int
 189 perf_atq_eventdev_setup(struct evt_test *test, struct evt_options *opt)
 190 {
 191         int ret;
 192         uint8_t queue;
 193         uint8_t nb_queues;
 194         uint8_t nb_ports;
 195         uint16_t prod;
 196         struct rte_event_dev_info dev_info;
 197         struct test_perf *t = evt_test_priv(test);
 198
 199         nb_ports = evt_nr_active_lcores(opt->wlcores);
 200         nb_ports += (opt->prod_type == EVT_PROD_TYPE_ETH_RX_ADPTR ||
 201                         opt->prod_type == EVT_PROD_TYPE_EVENT_TIMER_ADPTR) ? 0 :
 202                 evt_nr_active_lcores(opt->plcores);
 203
 204         nb_queues = atq_nb_event_queues(opt);
 205
 206         memset(&dev_info, 0, sizeof(struct rte_event_dev_info));
 207         ret = rte_event_dev_info_get(opt->dev_id, &dev_info);
 208         if (ret) {
 209                 evt_err("failed to get eventdev info %d", opt->dev_id);
 210                 return ret;
 211         }
 212
 213         ret = evt_configure_eventdev(opt, nb_queues, nb_ports);
 214         if (ret) {
 215                 evt_err("failed to configure eventdev %d", opt->dev_id);
 216                 return ret;
 217         }
 218
 219         struct rte_event_queue_conf q_conf = {
 220                         .priority = RTE_EVENT_DEV_PRIORITY_NORMAL,
 221                         .event_queue_cfg = RTE_EVENT_QUEUE_CFG_ALL_TYPES,
 222                         .nb_atomic_flows = opt->nb_flows,
 223                         .nb_atomic_order_sequences = opt->nb_flows,
 224         };
 225         /* queue configurations */
 226         for (queue = 0; queue < nb_queues; queue++) {
 227                 ret = rte_event_queue_setup(opt->dev_id, queue, &q_conf);
 228                 if (ret) {
 229                         evt_err("failed to setup queue=%d", queue);
 230                         return ret;
 231                 }
 232         }
 233
 234         if (opt->wkr_deq_dep > dev_info.max_event_port_dequeue_depth)
 235                 opt->wkr_deq_dep = dev_info.max_event_port_dequeue_depth;
 236
 237         /* port configuration */
 238         const struct rte_event_port_conf p_conf = {
 239                         .dequeue_depth = opt->wkr_deq_dep,
 240                         .enqueue_depth = dev_info.max_event_port_dequeue_depth,
 241                         .new_event_threshold = dev_info.max_num_events,
 242         };
 243
 244         ret = perf_event_dev_port_setup(test, opt, 1 /* stride */, nb_queues,
 245                         &p_conf);
 246         if (ret)
 247                 return ret;
 248
 249         if (!evt_has_distributed_sched(opt->dev_id)) {
 250                 uint32_t service_id;
 251                 rte_event_dev_service_id_get(opt->dev_id, &service_id);
 252                 ret = evt_service_setup(service_id);
 253                 if (ret) {
 254                         evt_err("No service lcore found to run event dev.");
 255                         return ret;
 256                 }
 257         }
 258
 259         ret = rte_event_dev_start(opt->dev_id);
 260         if (ret) {
 261                 evt_err("failed to start eventdev %d", opt->dev_id);
 262                 return ret;
 263         }
 264
 265         if (opt->prod_type == EVT_PROD_TYPE_ETH_RX_ADPTR) {
 266                 RTE_ETH_FOREACH_DEV(prod) {
 267                         ret = rte_eth_dev_start(prod);
 268                         if (ret) {
 269                                 evt_err("Ethernet dev [%d] failed to start. Using synthetic producer",
 270                                                 prod);
 271                                 return ret;
 272                         }
 273
 274                         ret = rte_event_eth_rx_adapter_start(prod);
 275                         if (ret) {
 276                                 evt_err("Rx adapter[%d] start failed", prod);
 277                                 return ret;
 278                         }
 279                         printf("%s: Port[%d] using Rx adapter[%d] started\n",
 280                                         __func__, prod, prod);
 281                 }
 282         } else if (opt->prod_type == EVT_PROD_TYPE_EVENT_TIMER_ADPTR) {
 283                 for (prod = 0; prod < opt->nb_timer_adptrs; prod++) {
 284                         ret = rte_event_timer_adapter_start(
 285                                         t->timer_adptr[prod]);
 286                         if (ret) {
 287                                 evt_err("failed to Start event timer adapter %d"
 288                                                 , prod);
 289                                 return ret;
 290                         }
 291                 }
 292         } else if (opt->prod_type == EVT_PROD_TYPE_EVENT_CRYPTO_ADPTR) {
 293                 uint8_t cdev_id, cdev_count;
 294
 295                 cdev_count = rte_cryptodev_count();
 296                 for (cdev_id = 0; cdev_id < cdev_count; cdev_id++) {
 297                         ret = rte_cryptodev_start(cdev_id);
 298                         if (ret) {
 299                                 evt_err("Failed to start cryptodev %u",
 300                                         cdev_id);
 301                                 return ret;
 302                         }
 303                 }
 304         }
 305
 306         return 0;
 307 }
 308
 309 static void
 310 perf_atq_opt_dump(struct evt_options *opt)
 311 {
 312         perf_opt_dump(opt, atq_nb_event_queues(opt));
 313 }
 314
 315 static int
 316 perf_atq_opt_check(struct evt_options *opt)
 317 {
 318         return perf_opt_check(opt, atq_nb_event_queues(opt));
 319 }
 320
 321 static bool
 322 perf_atq_capability_check(struct evt_options *opt)
 323 {
 324         struct rte_event_dev_info dev_info;
 325
 326         rte_event_dev_info_get(opt->dev_id, &dev_info);
 327         if (dev_info.max_event_queues < atq_nb_event_queues(opt) ||
 328                         dev_info.max_event_ports < perf_nb_event_ports(opt)) {
 329                 evt_err("not enough eventdev queues=%d/%d or ports=%d/%d",
 330                         atq_nb_event_queues(opt), dev_info.max_event_queues,
 331                         perf_nb_event_ports(opt), dev_info.max_event_ports);
 332         }
 333         if (!evt_has_all_types_queue(opt->dev_id))
 334                 return false;
 335
 336         return true;
 337 }
 338
 339 static const struct evt_test_ops perf_atq =  {
 340         .cap_check          = perf_atq_capability_check,
 341         .opt_check          = perf_atq_opt_check,
 342         .opt_dump           = perf_atq_opt_dump,
 343         .test_setup         = perf_test_setup,
 344         .ethdev_setup       = perf_ethdev_setup,
 345         .cryptodev_setup    = perf_cryptodev_setup,
 346         .ethdev_rx_stop     = perf_ethdev_rx_stop,
 347         .mempool_setup      = perf_mempool_setup,
 348         .eventdev_setup     = perf_atq_eventdev_setup,
 349         .launch_lcores      = perf_atq_launch_lcores,
 350         .eventdev_destroy   = perf_eventdev_destroy,
 351         .mempool_destroy    = perf_mempool_destroy,
 352         .ethdev_destroy     = perf_ethdev_destroy,
 353         .cryptodev_destroy  = perf_cryptodev_destroy,
 354         .test_result        = perf_test_result,
 355         .test_destroy       = perf_test_destroy,
 356 };
 357
 358 EVT_TEST_REGISTER(perf_atq);