ceph/src/spdk/dpdk/app/test/test_distributor.c

   1 /* SPDX-License-Identifier: BSD-3-Clause
   2  * Copyright(c) 2010-2017 Intel Corporation
   3  */
   4
   5 #include "test.h"
   6
   7 #include <unistd.h>
   8 #include <string.h>
   9 #include <rte_cycles.h>
  10 #include <rte_errno.h>
  11 #include <rte_mempool.h>
  12 #include <rte_mbuf.h>
  13 #include <rte_distributor.h>
  14 #include <rte_string_fns.h>
  15
  16 #define ITER_POWER 20 /* log 2 of how many iterations we do when timing. */
  17 #define BURST 32
  18 #define BIG_BATCH 1024
  19
  20 struct worker_params {
  21         char name[64];
  22         struct rte_distributor *dist;
  23 };
  24
  25 struct worker_params worker_params;
  26
  27 /* statics - all zero-initialized by default */
  28 static volatile int quit;      /**< general quit variable for all threads */
  29 static volatile int zero_quit; /**< var for when we just want thr0 to quit*/
  30 static volatile unsigned worker_idx;
  31
  32 struct worker_stats {
  33         volatile unsigned handled_packets;
  34 } __rte_cache_aligned;
  35 struct worker_stats worker_stats[RTE_MAX_LCORE];
  36
  37 /* returns the total count of the number of packets handled by the worker
  38  * functions given below.
  39  */
  40 static inline unsigned
  41 total_packet_count(void)
  42 {
  43         unsigned i, count = 0;
  44         for (i = 0; i < worker_idx; i++)
  45                 count += worker_stats[i].handled_packets;
  46         return count;
  47 }
  48
  49 /* resets the packet counts for a new test */
  50 static inline void
  51 clear_packet_count(void)
  52 {
  53         memset(&worker_stats, 0, sizeof(worker_stats));
  54 }
  55
  56 /* this is the basic worker function for sanity test
  57  * it does nothing but return packets and count them.
  58  */
  59 static int
  60 handle_work(void *arg)
  61 {
  62         struct rte_mbuf *buf[8] __rte_cache_aligned;
  63         struct worker_params *wp = arg;
  64         struct rte_distributor *db = wp->dist;
  65         unsigned int count = 0, num = 0;
  66         unsigned int id = __sync_fetch_and_add(&worker_idx, 1);
  67         int i;
  68
  69         for (i = 0; i < 8; i++)
  70                 buf[i] = NULL;
  71         num = rte_distributor_get_pkt(db, id, buf, buf, num);
  72         while (!quit) {
  73                 worker_stats[id].handled_packets += num;
  74                 count += num;
  75                 num = rte_distributor_get_pkt(db, id,
  76                                 buf, buf, num);
  77         }
  78         worker_stats[id].handled_packets += num;
  79         count += num;
  80         rte_distributor_return_pkt(db, id, buf, num);
  81         return 0;
  82 }
  83
  84 /* do basic sanity testing of the distributor. This test tests the following:
  85  * - send 32 packets through distributor with the same tag and ensure they
  86  *   all go to the one worker
  87  * - send 32 packets through the distributor with two different tags and
  88  *   verify that they go equally to two different workers.
  89  * - send 32 packets with different tags through the distributors and
  90  *   just verify we get all packets back.
  91  * - send 1024 packets through the distributor, gathering the returned packets
  92  *   as we go. Then verify that we correctly got all 1024 pointers back again,
  93  *   not necessarily in the same order (as different flows).
  94  */
  95 static int
  96 sanity_test(struct worker_params *wp, struct rte_mempool *p)
  97 {
  98         struct rte_distributor *db = wp->dist;
  99         struct rte_mbuf *bufs[BURST];
 100         struct rte_mbuf *returns[BURST*2];
 101         unsigned int i, count;
 102         unsigned int retries;
 103
 104         printf("=== Basic distributor sanity tests ===\n");
 105         clear_packet_count();
 106         if (rte_mempool_get_bulk(p, (void *)bufs, BURST) != 0) {
 107                 printf("line %d: Error getting mbufs from pool\n", __LINE__);
 108                 return -1;
 109         }
 110
 111         /* now set all hash values in all buffers to zero, so all pkts go to the
 112          * one worker thread */
 113         for (i = 0; i < BURST; i++)
 114                 bufs[i]->hash.usr = 0;
 115
 116         rte_distributor_process(db, bufs, BURST);
 117         count = 0;
 118         do {
 119
 120                 rte_distributor_flush(db);
 121                 count += rte_distributor_returned_pkts(db,
 122                                 returns, BURST*2);
 123         } while (count < BURST);
 124
 125         if (total_packet_count() != BURST) {
 126                 printf("Line %d: Error, not all packets flushed. "
 127                                 "Expected %u, got %u\n",
 128                                 __LINE__, BURST, total_packet_count());
 129                 return -1;
 130         }
 131
 132         for (i = 0; i < rte_lcore_count() - 1; i++)
 133                 printf("Worker %u handled %u packets\n", i,
 134                                 worker_stats[i].handled_packets);
 135         printf("Sanity test with all zero hashes done.\n");
 136
 137         /* pick two flows and check they go correctly */
 138         if (rte_lcore_count() >= 3) {
 139                 clear_packet_count();
 140                 for (i = 0; i < BURST; i++)
 141                         bufs[i]->hash.usr = (i & 1) << 8;
 142
 143                 rte_distributor_process(db, bufs, BURST);
 144                 count = 0;
 145                 do {
 146                         rte_distributor_flush(db);
 147                         count += rte_distributor_returned_pkts(db,
 148                                         returns, BURST*2);
 149                 } while (count < BURST);
 150                 if (total_packet_count() != BURST) {
 151                         printf("Line %d: Error, not all packets flushed. "
 152                                         "Expected %u, got %u\n",
 153                                         __LINE__, BURST, total_packet_count());
 154                         return -1;
 155                 }
 156
 157                 for (i = 0; i < rte_lcore_count() - 1; i++)
 158                         printf("Worker %u handled %u packets\n", i,
 159                                         worker_stats[i].handled_packets);
 160                 printf("Sanity test with two hash values done\n");
 161         }
 162
 163         /* give a different hash value to each packet,
 164          * so load gets distributed */
 165         clear_packet_count();
 166         for (i = 0; i < BURST; i++)
 167                 bufs[i]->hash.usr = i+1;
 168
 169         rte_distributor_process(db, bufs, BURST);
 170         count = 0;
 171         do {
 172                 rte_distributor_flush(db);
 173                 count += rte_distributor_returned_pkts(db,
 174                                 returns, BURST*2);
 175         } while (count < BURST);
 176         if (total_packet_count() != BURST) {
 177                 printf("Line %d: Error, not all packets flushed. "
 178                                 "Expected %u, got %u\n",
 179                                 __LINE__, BURST, total_packet_count());
 180                 return -1;
 181         }
 182
 183         for (i = 0; i < rte_lcore_count() - 1; i++)
 184                 printf("Worker %u handled %u packets\n", i,
 185                                 worker_stats[i].handled_packets);
 186         printf("Sanity test with non-zero hashes done\n");
 187
 188         rte_mempool_put_bulk(p, (void *)bufs, BURST);
 189
 190         /* sanity test with BIG_BATCH packets to ensure they all arrived back
 191          * from the returned packets function */
 192         clear_packet_count();
 193         struct rte_mbuf *many_bufs[BIG_BATCH], *return_bufs[BIG_BATCH];
 194         unsigned num_returned = 0;
 195
 196         /* flush out any remaining packets */
 197         rte_distributor_flush(db);
 198         rte_distributor_clear_returns(db);
 199
 200         if (rte_mempool_get_bulk(p, (void *)many_bufs, BIG_BATCH) != 0) {
 201                 printf("line %d: Error getting mbufs from pool\n", __LINE__);
 202                 return -1;
 203         }
 204         for (i = 0; i < BIG_BATCH; i++)
 205                 many_bufs[i]->hash.usr = i << 2;
 206
 207         printf("=== testing big burst (%s) ===\n", wp->name);
 208         for (i = 0; i < BIG_BATCH/BURST; i++) {
 209                 rte_distributor_process(db,
 210                                 &many_bufs[i*BURST], BURST);
 211                 count = rte_distributor_returned_pkts(db,
 212                                 &return_bufs[num_returned],
 213                                 BIG_BATCH - num_returned);
 214                 num_returned += count;
 215         }
 216         rte_distributor_flush(db);
 217         count = rte_distributor_returned_pkts(db,
 218                 &return_bufs[num_returned],
 219                         BIG_BATCH - num_returned);
 220         num_returned += count;
 221         retries = 0;
 222         do {
 223                 rte_distributor_flush(db);
 224                 count = rte_distributor_returned_pkts(db,
 225                                 &return_bufs[num_returned],
 226                                 BIG_BATCH - num_returned);
 227                 num_returned += count;
 228                 retries++;
 229         } while ((num_returned < BIG_BATCH) && (retries < 100));
 230
 231         if (num_returned != BIG_BATCH) {
 232                 printf("line %d: Missing packets, expected %d\n",
 233                                 __LINE__, num_returned);
 234                 return -1;
 235         }
 236
 237         /* big check -  make sure all packets made it back!! */
 238         for (i = 0; i < BIG_BATCH; i++) {
 239                 unsigned j;
 240                 struct rte_mbuf *src = many_bufs[i];
 241                 for (j = 0; j < BIG_BATCH; j++) {
 242                         if (return_bufs[j] == src)
 243                                 break;
 244                 }
 245
 246                 if (j == BIG_BATCH) {
 247                         printf("Error: could not find source packet #%u\n", i);
 248                         return -1;
 249                 }
 250         }
 251         printf("Sanity test of returned packets done\n");
 252
 253         rte_mempool_put_bulk(p, (void *)many_bufs, BIG_BATCH);
 254
 255         printf("\n");
 256         return 0;
 257 }
 258
 259
 260 /* to test that the distributor does not lose packets, we use this worker
 261  * function which frees mbufs when it gets them. The distributor thread does
 262  * the mbuf allocation. If distributor drops packets we'll eventually run out
 263  * of mbufs.
 264  */
 265 static int
 266 handle_work_with_free_mbufs(void *arg)
 267 {
 268         struct rte_mbuf *buf[8] __rte_cache_aligned;
 269         struct worker_params *wp = arg;
 270         struct rte_distributor *d = wp->dist;
 271         unsigned int count = 0;
 272         unsigned int i;
 273         unsigned int num = 0;
 274         unsigned int id = __sync_fetch_and_add(&worker_idx, 1);
 275
 276         for (i = 0; i < 8; i++)
 277                 buf[i] = NULL;
 278         num = rte_distributor_get_pkt(d, id, buf, buf, num);
 279         while (!quit) {
 280                 worker_stats[id].handled_packets += num;
 281                 count += num;
 282                 for (i = 0; i < num; i++)
 283                         rte_pktmbuf_free(buf[i]);
 284                 num = rte_distributor_get_pkt(d,
 285                                 id, buf, buf, num);
 286         }
 287         worker_stats[id].handled_packets += num;
 288         count += num;
 289         rte_distributor_return_pkt(d, id, buf, num);
 290         return 0;
 291 }
 292
 293 /* Perform a sanity test of the distributor with a large number of packets,
 294  * where we allocate a new set of mbufs for each burst. The workers then
 295  * free the mbufs. This ensures that we don't have any packet leaks in the
 296  * library.
 297  */
 298 static int
 299 sanity_test_with_mbuf_alloc(struct worker_params *wp, struct rte_mempool *p)
 300 {
 301         struct rte_distributor *d = wp->dist;
 302         unsigned i;
 303         struct rte_mbuf *bufs[BURST];
 304
 305         printf("=== Sanity test with mbuf alloc/free (%s) ===\n", wp->name);
 306
 307         clear_packet_count();
 308         for (i = 0; i < ((1<<ITER_POWER)); i += BURST) {
 309                 unsigned j;
 310                 while (rte_mempool_get_bulk(p, (void *)bufs, BURST) < 0)
 311                         rte_distributor_process(d, NULL, 0);
 312                 for (j = 0; j < BURST; j++) {
 313                         bufs[j]->hash.usr = (i+j) << 1;
 314                         rte_mbuf_refcnt_set(bufs[j], 1);
 315                 }
 316
 317                 rte_distributor_process(d, bufs, BURST);
 318         }
 319
 320         rte_distributor_flush(d);
 321
 322         rte_delay_us(10000);
 323
 324         if (total_packet_count() < (1<<ITER_POWER)) {
 325                 printf("Line %u: Packet count is incorrect, %u, expected %u\n",
 326                                 __LINE__, total_packet_count(),
 327                                 (1<<ITER_POWER));
 328                 return -1;
 329         }
 330
 331         printf("Sanity test with mbuf alloc/free passed\n\n");
 332         return 0;
 333 }
 334
 335 static int
 336 handle_work_for_shutdown_test(void *arg)
 337 {
 338         struct rte_mbuf *pkt = NULL;
 339         struct rte_mbuf *buf[8] __rte_cache_aligned;
 340         struct worker_params *wp = arg;
 341         struct rte_distributor *d = wp->dist;
 342         unsigned int count = 0;
 343         unsigned int num = 0;
 344         unsigned int total = 0;
 345         unsigned int i;
 346         unsigned int returned = 0;
 347         const unsigned int id = __sync_fetch_and_add(&worker_idx, 1);
 348
 349         num = rte_distributor_get_pkt(d, id, buf, buf, num);
 350
 351         /* wait for quit single globally, or for worker zero, wait
 352          * for zero_quit */
 353         while (!quit && !(id == 0 && zero_quit)) {
 354                 worker_stats[id].handled_packets += num;
 355                 count += num;
 356                 for (i = 0; i < num; i++)
 357                         rte_pktmbuf_free(buf[i]);
 358                 num = rte_distributor_get_pkt(d,
 359                                 id, buf, buf, num);
 360                 total += num;
 361         }
 362         worker_stats[id].handled_packets += num;
 363         count += num;
 364         returned = rte_distributor_return_pkt(d, id, buf, num);
 365
 366         if (id == 0) {
 367                 /* for worker zero, allow it to restart to pick up last packet
 368                  * when all workers are shutting down.
 369                  */
 370                 while (zero_quit)
 371                         usleep(100);
 372
 373                 num = rte_distributor_get_pkt(d,
 374                                 id, buf, buf, num);
 375
 376                 while (!quit) {
 377                         worker_stats[id].handled_packets++, count++;
 378                         rte_pktmbuf_free(pkt);
 379                         num = rte_distributor_get_pkt(d, id, buf, buf, num);
 380                 }
 381                 returned = rte_distributor_return_pkt(d,
 382                                 id, buf, num);
 383                 printf("Num returned = %d\n", returned);
 384         }
 385         return 0;
 386 }
 387
 388
 389 /* Perform a sanity test of the distributor with a large number of packets,
 390  * where we allocate a new set of mbufs for each burst. The workers then
 391  * free the mbufs. This ensures that we don't have any packet leaks in the
 392  * library.
 393  */
 394 static int
 395 sanity_test_with_worker_shutdown(struct worker_params *wp,
 396                 struct rte_mempool *p)
 397 {
 398         struct rte_distributor *d = wp->dist;
 399         struct rte_mbuf *bufs[BURST];
 400         unsigned i;
 401
 402         printf("=== Sanity test of worker shutdown ===\n");
 403
 404         clear_packet_count();
 405
 406         if (rte_mempool_get_bulk(p, (void *)bufs, BURST) != 0) {
 407                 printf("line %d: Error getting mbufs from pool\n", __LINE__);
 408                 return -1;
 409         }
 410
 411         /*
 412          * Now set all hash values in all buffers to same value so all
 413          * pkts go to the one worker thread
 414          */
 415         for (i = 0; i < BURST; i++)
 416                 bufs[i]->hash.usr = 1;
 417
 418         rte_distributor_process(d, bufs, BURST);
 419         rte_distributor_flush(d);
 420
 421         /* at this point, we will have processed some packets and have a full
 422          * backlog for the other ones at worker 0.
 423          */
 424
 425         /* get more buffers to queue up, again setting them to the same flow */
 426         if (rte_mempool_get_bulk(p, (void *)bufs, BURST) != 0) {
 427                 printf("line %d: Error getting mbufs from pool\n", __LINE__);
 428                 return -1;
 429         }
 430         for (i = 0; i < BURST; i++)
 431                 bufs[i]->hash.usr = 1;
 432
 433         /* get worker zero to quit */
 434         zero_quit = 1;
 435         rte_distributor_process(d, bufs, BURST);
 436
 437         /* flush the distributor */
 438         rte_distributor_flush(d);
 439         rte_delay_us(10000);
 440
 441         for (i = 0; i < rte_lcore_count() - 1; i++)
 442                 printf("Worker %u handled %u packets\n", i,
 443                                 worker_stats[i].handled_packets);
 444
 445         if (total_packet_count() != BURST * 2) {
 446                 printf("Line %d: Error, not all packets flushed. "
 447                                 "Expected %u, got %u\n",
 448                                 __LINE__, BURST * 2, total_packet_count());
 449                 return -1;
 450         }
 451
 452         printf("Sanity test with worker shutdown passed\n\n");
 453         return 0;
 454 }
 455
 456 /* Test that the flush function is able to move packets between workers when
 457  * one worker shuts down..
 458  */
 459 static int
 460 test_flush_with_worker_shutdown(struct worker_params *wp,
 461                 struct rte_mempool *p)
 462 {
 463         struct rte_distributor *d = wp->dist;
 464         struct rte_mbuf *bufs[BURST];
 465         unsigned i;
 466
 467         printf("=== Test flush fn with worker shutdown (%s) ===\n", wp->name);
 468
 469         clear_packet_count();
 470         if (rte_mempool_get_bulk(p, (void *)bufs, BURST) != 0) {
 471                 printf("line %d: Error getting mbufs from pool\n", __LINE__);
 472                 return -1;
 473         }
 474
 475         /* now set all hash values in all buffers to zero, so all pkts go to the
 476          * one worker thread */
 477         for (i = 0; i < BURST; i++)
 478                 bufs[i]->hash.usr = 0;
 479
 480         rte_distributor_process(d, bufs, BURST);
 481         /* at this point, we will have processed some packets and have a full
 482          * backlog for the other ones at worker 0.
 483          */
 484
 485         /* get worker zero to quit */
 486         zero_quit = 1;
 487
 488         /* flush the distributor */
 489         rte_distributor_flush(d);
 490
 491         rte_delay_us(10000);
 492
 493         zero_quit = 0;
 494         for (i = 0; i < rte_lcore_count() - 1; i++)
 495                 printf("Worker %u handled %u packets\n", i,
 496                                 worker_stats[i].handled_packets);
 497
 498         if (total_packet_count() != BURST) {
 499                 printf("Line %d: Error, not all packets flushed. "
 500                                 "Expected %u, got %u\n",
 501                                 __LINE__, BURST, total_packet_count());
 502                 return -1;
 503         }
 504
 505         printf("Flush test with worker shutdown passed\n\n");
 506         return 0;
 507 }
 508
 509 static
 510 int test_error_distributor_create_name(void)
 511 {
 512         struct rte_distributor *d = NULL;
 513         struct rte_distributor *db = NULL;
 514         char *name = NULL;
 515
 516         d = rte_distributor_create(name, rte_socket_id(),
 517                         rte_lcore_count() - 1,
 518                         RTE_DIST_ALG_SINGLE);
 519         if (d != NULL || rte_errno != EINVAL) {
 520                 printf("ERROR: No error on create() with NULL name param\n");
 521                 return -1;
 522         }
 523
 524         db = rte_distributor_create(name, rte_socket_id(),
 525                         rte_lcore_count() - 1,
 526                         RTE_DIST_ALG_BURST);
 527         if (db != NULL || rte_errno != EINVAL) {
 528                 printf("ERROR: No error on create() with NULL param\n");
 529                 return -1;
 530         }
 531
 532         return 0;
 533 }
 534
 535
 536 static
 537 int test_error_distributor_create_numworkers(void)
 538 {
 539         struct rte_distributor *ds = NULL;
 540         struct rte_distributor *db = NULL;
 541
 542         ds = rte_distributor_create("test_numworkers", rte_socket_id(),
 543                         RTE_MAX_LCORE + 10,
 544                         RTE_DIST_ALG_SINGLE);
 545         if (ds != NULL || rte_errno != EINVAL) {
 546                 printf("ERROR: No error on create() with num_workers > MAX\n");
 547                 return -1;
 548         }
 549
 550         db = rte_distributor_create("test_numworkers", rte_socket_id(),
 551                         RTE_MAX_LCORE + 10,
 552                         RTE_DIST_ALG_BURST);
 553         if (db != NULL || rte_errno != EINVAL) {
 554                 printf("ERROR: No error on create() num_workers > MAX\n");
 555                 return -1;
 556         }
 557
 558         return 0;
 559 }
 560
 561
 562 /* Useful function which ensures that all worker functions terminate */
 563 static void
 564 quit_workers(struct worker_params *wp, struct rte_mempool *p)
 565 {
 566         struct rte_distributor *d = wp->dist;
 567         const unsigned num_workers = rte_lcore_count() - 1;
 568         unsigned i;
 569         struct rte_mbuf *bufs[RTE_MAX_LCORE];
 570         rte_mempool_get_bulk(p, (void *)bufs, num_workers);
 571
 572         zero_quit = 0;
 573         quit = 1;
 574         for (i = 0; i < num_workers; i++)
 575                 bufs[i]->hash.usr = i << 1;
 576         rte_distributor_process(d, bufs, num_workers);
 577
 578         rte_mempool_put_bulk(p, (void *)bufs, num_workers);
 579
 580         rte_distributor_process(d, NULL, 0);
 581         rte_distributor_flush(d);
 582         rte_eal_mp_wait_lcore();
 583         quit = 0;
 584         worker_idx = 0;
 585 }
 586
 587 static int
 588 test_distributor(void)
 589 {
 590         static struct rte_distributor *ds;
 591         static struct rte_distributor *db;
 592         static struct rte_distributor *dist[2];
 593         static struct rte_mempool *p;
 594         int i;
 595
 596         if (rte_lcore_count() < 2) {
 597                 printf("ERROR: not enough cores to test distributor\n");
 598                 return -1;
 599         }
 600
 601         if (db == NULL) {
 602                 db = rte_distributor_create("Test_dist_burst", rte_socket_id(),
 603                                 rte_lcore_count() - 1,
 604                                 RTE_DIST_ALG_BURST);
 605                 if (db == NULL) {
 606                         printf("Error creating burst distributor\n");
 607                         return -1;
 608                 }
 609         } else {
 610                 rte_distributor_flush(db);
 611                 rte_distributor_clear_returns(db);
 612         }
 613
 614         if (ds == NULL) {
 615                 ds = rte_distributor_create("Test_dist_single",
 616                                 rte_socket_id(),
 617                                 rte_lcore_count() - 1,
 618                         RTE_DIST_ALG_SINGLE);
 619                 if (ds == NULL) {
 620                         printf("Error creating single distributor\n");
 621                         return -1;
 622                 }
 623         } else {
 624                 rte_distributor_flush(ds);
 625                 rte_distributor_clear_returns(ds);
 626         }
 627
 628         const unsigned nb_bufs = (511 * rte_lcore_count()) < BIG_BATCH ?
 629                         (BIG_BATCH * 2) - 1 : (511 * rte_lcore_count());
 630         if (p == NULL) {
 631                 p = rte_pktmbuf_pool_create("DT_MBUF_POOL", nb_bufs, BURST,
 632                         0, RTE_MBUF_DEFAULT_BUF_SIZE, rte_socket_id());
 633                 if (p == NULL) {
 634                         printf("Error creating mempool\n");
 635                         return -1;
 636                 }
 637         }
 638
 639         dist[0] = ds;
 640         dist[1] = db;
 641
 642         for (i = 0; i < 2; i++) {
 643
 644                 worker_params.dist = dist[i];
 645                 if (i)
 646                         strlcpy(worker_params.name, "burst",
 647                                         sizeof(worker_params.name));
 648                 else
 649                         strlcpy(worker_params.name, "single",
 650                                         sizeof(worker_params.name));
 651
 652                 rte_eal_mp_remote_launch(handle_work,
 653                                 &worker_params, SKIP_MASTER);
 654                 if (sanity_test(&worker_params, p) < 0)
 655                         goto err;
 656                 quit_workers(&worker_params, p);
 657
 658                 rte_eal_mp_remote_launch(handle_work_with_free_mbufs,
 659                                 &worker_params, SKIP_MASTER);
 660                 if (sanity_test_with_mbuf_alloc(&worker_params, p) < 0)
 661                         goto err;
 662                 quit_workers(&worker_params, p);
 663
 664                 if (rte_lcore_count() > 2) {
 665                         rte_eal_mp_remote_launch(handle_work_for_shutdown_test,
 666                                         &worker_params,
 667                                         SKIP_MASTER);
 668                         if (sanity_test_with_worker_shutdown(&worker_params,
 669                                         p) < 0)
 670                                 goto err;
 671                         quit_workers(&worker_params, p);
 672
 673                         rte_eal_mp_remote_launch(handle_work_for_shutdown_test,
 674                                         &worker_params,
 675                                         SKIP_MASTER);
 676                         if (test_flush_with_worker_shutdown(&worker_params,
 677                                         p) < 0)
 678                                 goto err;
 679                         quit_workers(&worker_params, p);
 680
 681                 } else {
 682                         printf("Too few cores to run worker shutdown test\n");
 683                 }
 684
 685         }
 686
 687         if (test_error_distributor_create_numworkers() == -1 ||
 688                         test_error_distributor_create_name() == -1) {
 689                 printf("rte_distributor_create parameter check tests failed");
 690                 return -1;
 691         }
 692
 693         return 0;
 694
 695 err:
 696         quit_workers(&worker_params, p);
 697         return -1;
 698 }
 699
 700 REGISTER_TEST_COMMAND(distributor_autotest, test_distributor);