app/test-eventdev/test_order_common.c

   1 /* SPDX-License-Identifier: BSD-3-Clause
   2  * Copyright(c) 2017 Cavium, Inc
   3  */
   4
   5 #include "test_order_common.h"
   6
   7 int
   8 order_test_result(struct evt_test *test, struct evt_options *opt)
   9 {
  10         RTE_SET_USED(opt);
  11         struct test_order *t = evt_test_priv(test);
  12
  13         return t->result;
  14 }
  15
  16 static inline int
  17 order_producer(void *arg)
  18 {
  19         struct prod_data *p  = arg;
  20         struct test_order *t = p->t;
  21         struct evt_options *opt = t->opt;
  22         const uint8_t dev_id = p->dev_id;
  23         const uint8_t port = p->port_id;
  24         struct rte_mempool *pool = t->pool;
  25         const uint64_t nb_pkts = t->nb_pkts;
  26         uint32_t *producer_flow_seq = t->producer_flow_seq;
  27         const uint32_t nb_flows = t->nb_flows;
  28         uint64_t count = 0;
  29         struct rte_mbuf *m;
  30         struct rte_event ev;
  31
  32         if (opt->verbose_level > 1)
  33                 printf("%s(): lcore %d dev_id %d port=%d queue=%d\n",
  34                          __func__, rte_lcore_id(), dev_id, port, p->queue_id);
  35
  36         ev.event = 0;
  37         ev.op = RTE_EVENT_OP_NEW;
  38         ev.queue_id = p->queue_id;
  39         ev.sched_type = RTE_SCHED_TYPE_ORDERED;
  40         ev.priority = RTE_EVENT_DEV_PRIORITY_NORMAL;
  41         ev.event_type =  RTE_EVENT_TYPE_CPU;
  42         ev.sub_event_type = 0; /* stage 0 */
  43
  44         while (count < nb_pkts && t->err == false) {
  45                 m = rte_pktmbuf_alloc(pool);
  46                 if (m == NULL)
  47                         continue;
  48
  49                 const flow_id_t flow = (uintptr_t)m % nb_flows;
  50                 /* Maintain seq number per flow */
  51                 m->seqn = producer_flow_seq[flow]++;
  52                 order_flow_id_save(t, flow, m, &ev);
  53
  54                 while (rte_event_enqueue_burst(dev_id, port, &ev, 1) != 1) {
  55                         if (t->err)
  56                                 break;
  57                         rte_pause();
  58                 }
  59
  60                 count++;
  61         }
  62         return 0;
  63 }
  64
  65 int
  66 order_opt_check(struct evt_options *opt)
  67 {
  68         if (opt->prod_type != EVT_PROD_TYPE_SYNT) {
  69                 evt_err("Invalid producer type '%s' valid producer '%s'",
  70                         evt_prod_id_to_name(opt->prod_type),
  71                         evt_prod_id_to_name(EVT_PROD_TYPE_SYNT));
  72                 return -1;
  73         }
  74
  75         /* 1 producer + N workers + main */
  76         if (rte_lcore_count() < 3) {
  77                 evt_err("test need minimum 3 lcores");
  78                 return -1;
  79         }
  80
  81         /* Validate worker lcores */
  82         if (evt_lcores_has_overlap(opt->wlcores, rte_get_main_lcore())) {
  83                 evt_err("worker lcores overlaps with main lcore");
  84                 return -1;
  85         }
  86
  87         if (evt_nr_active_lcores(opt->plcores) == 0) {
  88                 evt_err("missing the producer lcore");
  89                 return -1;
  90         }
  91
  92         if (evt_nr_active_lcores(opt->plcores) != 1) {
  93                 evt_err("only one producer lcore must be selected");
  94                 return -1;
  95         }
  96
  97         int plcore = evt_get_first_active_lcore(opt->plcores);
  98
  99         if (plcore < 0) {
 100                 evt_err("failed to find active producer");
 101                 return plcore;
 102         }
 103
 104         if (evt_lcores_has_overlap(opt->wlcores, plcore)) {
 105                 evt_err("worker lcores overlaps producer lcore");
 106                 return -1;
 107         }
 108         if (evt_has_disabled_lcore(opt->wlcores)) {
 109                 evt_err("one or more workers lcores are not enabled");
 110                 return -1;
 111         }
 112         if (!evt_has_active_lcore(opt->wlcores)) {
 113                 evt_err("minimum one worker is required");
 114                 return -1;
 115         }
 116
 117         /* Validate producer lcore */
 118         if (plcore == (int)rte_get_main_lcore()) {
 119                 evt_err("producer lcore and main lcore should be different");
 120                 return -1;
 121         }
 122         if (!rte_lcore_is_enabled(plcore)) {
 123                 evt_err("producer lcore is not enabled");
 124                 return -1;
 125         }
 126
 127         /* Fixups */
 128         if (opt->nb_pkts == 0)
 129                 opt->nb_pkts = INT64_MAX;
 130
 131         return 0;
 132 }
 133
 134 int
 135 order_test_setup(struct evt_test *test, struct evt_options *opt)
 136 {
 137         void *test_order;
 138         struct test_order *t;
 139         static const struct rte_mbuf_dynfield flow_id_dynfield_desc = {
 140                 .name = "test_event_dynfield_flow_id",
 141                 .size = sizeof(flow_id_t),
 142                 .align = __alignof__(flow_id_t),
 143         };
 144
 145         test_order = rte_zmalloc_socket(test->name, sizeof(struct test_order),
 146                                 RTE_CACHE_LINE_SIZE, opt->socket_id);
 147         if (test_order  == NULL) {
 148                 evt_err("failed to allocate test_order memory");
 149                 goto nomem;
 150         }
 151         test->test_priv = test_order;
 152         t = evt_test_priv(test);
 153
 154         t->flow_id_dynfield_offset =
 155                 rte_mbuf_dynfield_register(&flow_id_dynfield_desc);
 156         if (t->flow_id_dynfield_offset < 0) {
 157                 evt_err("failed to register mbuf field");
 158                 return -rte_errno;
 159         }
 160
 161         t->producer_flow_seq = rte_zmalloc_socket("test_producer_flow_seq",
 162                                  sizeof(*t->producer_flow_seq) * opt->nb_flows,
 163                                 RTE_CACHE_LINE_SIZE, opt->socket_id);
 164
 165         if (t->producer_flow_seq  == NULL) {
 166                 evt_err("failed to allocate t->producer_flow_seq memory");
 167                 goto prod_nomem;
 168         }
 169
 170         t->expected_flow_seq = rte_zmalloc_socket("test_expected_flow_seq",
 171                                  sizeof(*t->expected_flow_seq) * opt->nb_flows,
 172                                 RTE_CACHE_LINE_SIZE, opt->socket_id);
 173
 174         if (t->expected_flow_seq  == NULL) {
 175                 evt_err("failed to allocate t->expected_flow_seq memory");
 176                 goto exp_nomem;
 177         }
 178         rte_atomic64_set(&t->outstand_pkts, opt->nb_pkts);
 179         t->err = false;
 180         t->nb_pkts = opt->nb_pkts;
 181         t->nb_flows = opt->nb_flows;
 182         t->result = EVT_TEST_FAILED;
 183         t->opt = opt;
 184         return 0;
 185
 186 exp_nomem:
 187         rte_free(t->producer_flow_seq);
 188 prod_nomem:
 189         rte_free(test->test_priv);
 190 nomem:
 191         return -ENOMEM;
 192 }
 193
 194 void
 195 order_test_destroy(struct evt_test *test, struct evt_options *opt)
 196 {
 197         RTE_SET_USED(opt);
 198         struct test_order *t = evt_test_priv(test);
 199
 200         rte_free(t->expected_flow_seq);
 201         rte_free(t->producer_flow_seq);
 202         rte_free(test->test_priv);
 203 }
 204
 205 int
 206 order_mempool_setup(struct evt_test *test, struct evt_options *opt)
 207 {
 208         struct test_order *t = evt_test_priv(test);
 209
 210         t->pool  = rte_pktmbuf_pool_create(test->name, opt->pool_sz,
 211                                         256 /* Cache */, 0,
 212                                         512, /* Use very small mbufs */
 213                                         opt->socket_id);
 214         if (t->pool == NULL) {
 215                 evt_err("failed to create mempool");
 216                 return -ENOMEM;
 217         }
 218
 219         return 0;
 220 }
 221
 222 void
 223 order_mempool_destroy(struct evt_test *test, struct evt_options *opt)
 224 {
 225         RTE_SET_USED(opt);
 226         struct test_order *t = evt_test_priv(test);
 227
 228         rte_mempool_free(t->pool);
 229 }
 230
 231 void
 232 order_eventdev_destroy(struct evt_test *test, struct evt_options *opt)
 233 {
 234         RTE_SET_USED(test);
 235
 236         rte_event_dev_stop(opt->dev_id);
 237         rte_event_dev_close(opt->dev_id);
 238 }
 239
 240 void
 241 order_opt_dump(struct evt_options *opt)
 242 {
 243         evt_dump_producer_lcores(opt);
 244         evt_dump("nb_wrker_lcores", "%d", evt_nr_active_lcores(opt->wlcores));
 245         evt_dump_worker_lcores(opt);
 246         evt_dump("nb_evdev_ports", "%d", order_nb_event_ports(opt));
 247 }
 248
 249 int
 250 order_launch_lcores(struct evt_test *test, struct evt_options *opt,
 251                         int (*worker)(void *))
 252 {
 253         int ret, lcore_id;
 254         struct test_order *t = evt_test_priv(test);
 255
 256         int wkr_idx = 0;
 257         /* launch workers */
 258         RTE_LCORE_FOREACH_WORKER(lcore_id) {
 259                 if (!(opt->wlcores[lcore_id]))
 260                         continue;
 261
 262                 ret = rte_eal_remote_launch(worker, &t->worker[wkr_idx],
 263                                          lcore_id);
 264                 if (ret) {
 265                         evt_err("failed to launch worker %d", lcore_id);
 266                         return ret;
 267                 }
 268                 wkr_idx++;
 269         }
 270
 271         /* launch producer */
 272         int plcore = evt_get_first_active_lcore(opt->plcores);
 273
 274         ret = rte_eal_remote_launch(order_producer, &t->prod, plcore);
 275         if (ret) {
 276                 evt_err("failed to launch order_producer %d", plcore);
 277                 return ret;
 278         }
 279
 280         uint64_t cycles = rte_get_timer_cycles();
 281         int64_t old_remaining  = -1;
 282
 283         while (t->err == false) {
 284                 uint64_t new_cycles = rte_get_timer_cycles();
 285                 int64_t remaining = rte_atomic64_read(&t->outstand_pkts);
 286
 287                 if (remaining <= 0) {
 288                         t->result = EVT_TEST_SUCCESS;
 289                         break;
 290                 }
 291
 292                 if (new_cycles - cycles > rte_get_timer_hz() * 1) {
 293                         printf(CLGRN"\r%"PRId64""CLNRM, remaining);
 294                         fflush(stdout);
 295                         if (old_remaining == remaining) {
 296                                 rte_event_dev_dump(opt->dev_id, stdout);
 297                                 evt_err("No schedules for seconds, deadlock");
 298                                 t->err = true;
 299                                 rte_smp_wmb();
 300                                 break;
 301                         }
 302                         old_remaining = remaining;
 303                         cycles = new_cycles;
 304                 }
 305         }
 306         printf("\r");
 307
 308         return 0;
 309 }
 310
 311 int
 312 order_event_dev_port_setup(struct evt_test *test, struct evt_options *opt,
 313                                 uint8_t nb_workers, uint8_t nb_queues)
 314 {
 315         int ret;
 316         uint8_t port;
 317         struct test_order *t = evt_test_priv(test);
 318         struct rte_event_dev_info dev_info;
 319
 320         memset(&dev_info, 0, sizeof(struct rte_event_dev_info));
 321         ret = rte_event_dev_info_get(opt->dev_id, &dev_info);
 322         if (ret) {
 323                 evt_err("failed to get eventdev info %d", opt->dev_id);
 324                 return ret;
 325         }
 326
 327         if (opt->wkr_deq_dep > dev_info.max_event_port_dequeue_depth)
 328                 opt->wkr_deq_dep = dev_info.max_event_port_dequeue_depth;
 329
 330         /* port configuration */
 331         const struct rte_event_port_conf p_conf = {
 332                         .dequeue_depth = opt->wkr_deq_dep,
 333                         .enqueue_depth = dev_info.max_event_port_dequeue_depth,
 334                         .new_event_threshold = dev_info.max_num_events,
 335         };
 336
 337         /* setup one port per worker, linking to all queues */
 338         for (port = 0; port < nb_workers; port++) {
 339                 struct worker_data *w = &t->worker[port];
 340
 341                 w->dev_id = opt->dev_id;
 342                 w->port_id = port;
 343                 w->t = t;
 344
 345                 ret = rte_event_port_setup(opt->dev_id, port, &p_conf);
 346                 if (ret) {
 347                         evt_err("failed to setup port %d", port);
 348                         return ret;
 349                 }
 350
 351                 ret = rte_event_port_link(opt->dev_id, port, NULL, NULL, 0);
 352                 if (ret != nb_queues) {
 353                         evt_err("failed to link all queues to port %d", port);
 354                         return -EINVAL;
 355                 }
 356         }
 357         struct prod_data *p = &t->prod;
 358
 359         p->dev_id = opt->dev_id;
 360         p->port_id = port; /* last port */
 361         p->queue_id = 0;
 362         p->t = t;
 363
 364         ret = rte_event_port_setup(opt->dev_id, port, &p_conf);
 365         if (ret) {
 366                 evt_err("failed to setup producer port %d", port);
 367                 return ret;
 368         }
 369
 370         return ret;
 371 }