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