app/test/test_hash_perf.c

   1 /*-
   2  *   BSD LICENSE
   3  *
   4  *   Copyright(c) 2010-2015 Intel Corporation. All rights reserved.
   5  *   All rights reserved.
   6  *
   7  *   Redistribution and use in source and binary forms, with or without
   8  *   modification, are permitted provided that the following conditions
   9  *   are met:
  10  *
  11  *     * Redistributions of source code must retain the above copyright
  12  *       notice, this list of conditions and the following disclaimer.
  13  *     * Redistributions in binary form must reproduce the above copyright
  14  *       notice, this list of conditions and the following disclaimer in
  15  *       the documentation and/or other materials provided with the
  16  *       distribution.
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  18  *       contributors may be used to endorse or promote products derived
  19  *       from this software without specific prior written permission.
  20  *
  21  *   THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
  22  *   "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
  23  *   LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
  24  *   A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
  25  *   OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
  26  *   SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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  29  *   THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  30  *   (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
  31  *   OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  32  */
  33
  34 #include <stdio.h>
  35 #include <inttypes.h>
  36
  37 #include <rte_lcore.h>
  38 #include <rte_cycles.h>
  39 #include <rte_malloc.h>
  40 #include <rte_hash.h>
  41 #include <rte_hash_crc.h>
  42 #include <rte_jhash.h>
  43 #include <rte_fbk_hash.h>
  44 #include <rte_random.h>
  45 #include <rte_string_fns.h>
  46
  47 #include "test.h"
  48
  49 #define MAX_ENTRIES (1 << 19)
  50 #define KEYS_TO_ADD (MAX_ENTRIES * 3 / 4) /* 75% table utilization */
  51 #define NUM_LOOKUPS (KEYS_TO_ADD * 5) /* Loop among keys added, several times */
  52 #define BUCKET_SIZE 4
  53 #define NUM_BUCKETS (MAX_ENTRIES / BUCKET_SIZE)
  54 #define MAX_KEYSIZE 64
  55 #define NUM_KEYSIZES 10
  56 #define NUM_SHUFFLES 10
  57 #define BURST_SIZE 16
  58
  59 enum operations {
  60         ADD = 0,
  61         LOOKUP,
  62         LOOKUP_MULTI,
  63         DELETE,
  64         NUM_OPERATIONS
  65 };
  66
  67 static uint32_t hashtest_key_lens[] = {
  68         /* standard key sizes */
  69         4, 8, 16, 32, 48, 64,
  70         /* IPv4 SRC + DST + protocol, unpadded */
  71         9,
  72         /* IPv4 5-tuple, unpadded */
  73         13,
  74         /* IPv6 5-tuple, unpadded */
  75         37,
  76         /* IPv6 5-tuple, padded to 8-byte boundary */
  77         40
  78 };
  79
  80 struct rte_hash *h[NUM_KEYSIZES];
  81
  82 /* Array that stores if a slot is full */
  83 uint8_t slot_taken[MAX_ENTRIES];
  84
  85 /* Array to store number of cycles per operation */
  86 uint64_t cycles[NUM_KEYSIZES][NUM_OPERATIONS][2][2];
  87
  88 /* Array to store all input keys */
  89 uint8_t keys[KEYS_TO_ADD][MAX_KEYSIZE];
  90
  91 /* Array to store the precomputed hash for 'keys' */
  92 hash_sig_t signatures[KEYS_TO_ADD];
  93
  94 /* Array to store how many busy entries have each bucket */
  95 uint8_t buckets[NUM_BUCKETS];
  96
  97 /* Array to store the positions where keys are added */
  98 int32_t positions[KEYS_TO_ADD];
  99
 100 /* Parameters used for hash table in unit test functions. */
 101 static struct rte_hash_parameters ut_params = {
 102         .entries = MAX_ENTRIES,
 103         .hash_func = rte_jhash,
 104         .hash_func_init_val = 0,
 105 };
 106
 107 static int
 108 create_table(unsigned with_data, unsigned table_index)
 109 {
 110         char name[RTE_HASH_NAMESIZE];
 111
 112         if (with_data)
 113                 /* Table will store 8-byte data */
 114                 sprintf(name, "test_hash%d_data", hashtest_key_lens[table_index]);
 115         else
 116                 sprintf(name, "test_hash%d", hashtest_key_lens[table_index]);
 117
 118         ut_params.name = name;
 119         ut_params.key_len = hashtest_key_lens[table_index];
 120         ut_params.socket_id = rte_socket_id();
 121         h[table_index] = rte_hash_find_existing(name);
 122         if (h[table_index] != NULL)
 123                 /*
 124                  * If table was already created, free it to create it again,
 125                  * so we force it is empty
 126                  */
 127                 rte_hash_free(h[table_index]);
 128         h[table_index] = rte_hash_create(&ut_params);
 129         if (h[table_index] == NULL) {
 130                 printf("Error creating table\n");
 131                 return -1;
 132         }
 133         return 0;
 134
 135 }
 136
 137 /* Shuffle the keys that have been added, so lookups will be totally random */
 138 static void
 139 shuffle_input_keys(unsigned table_index)
 140 {
 141         unsigned i;
 142         uint32_t swap_idx;
 143         uint8_t temp_key[MAX_KEYSIZE];
 144         hash_sig_t temp_signature;
 145         int32_t temp_position;
 146
 147         for (i = KEYS_TO_ADD - 1; i > 0; i--) {
 148                 swap_idx = rte_rand() % i;
 149
 150                 memcpy(temp_key, keys[i], hashtest_key_lens[table_index]);
 151                 temp_signature = signatures[i];
 152                 temp_position = positions[i];
 153
 154                 memcpy(keys[i], keys[swap_idx], hashtest_key_lens[table_index]);
 155                 signatures[i] = signatures[swap_idx];
 156                 positions[i] = positions[swap_idx];
 157
 158                 memcpy(keys[swap_idx], temp_key, hashtest_key_lens[table_index]);
 159                 signatures[swap_idx] = temp_signature;
 160                 positions[swap_idx] = temp_position;
 161         }
 162 }
 163
 164 /*
 165  * Looks for random keys which
 166  * ALL can fit in hash table (no errors)
 167  */
 168 static int
 169 get_input_keys(unsigned with_pushes, unsigned table_index)
 170 {
 171         unsigned i, j;
 172         unsigned bucket_idx, incr, success = 1;
 173         uint8_t k = 0;
 174         int32_t ret;
 175         const uint32_t bucket_bitmask = NUM_BUCKETS - 1;
 176
 177         /* Reset all arrays */
 178         for (i = 0; i < MAX_ENTRIES; i++)
 179                 slot_taken[i] = 0;
 180
 181         for (i = 0; i < NUM_BUCKETS; i++)
 182                 buckets[i] = 0;
 183
 184         for (j = 0; j < hashtest_key_lens[table_index]; j++)
 185                 keys[0][j] = 0;
 186
 187         /*
 188          * Add only entries that are not duplicated and that fits in the table
 189          * (cannot store more than BUCKET_SIZE entries in a bucket).
 190          * Regardless a key has been added correctly or not (success),
 191          * the next one to try will be increased by 1.
 192          */
 193         for (i = 0; i < KEYS_TO_ADD;) {
 194                 incr = 0;
 195                 if (i != 0) {
 196                         keys[i][0] = ++k;
 197                         /* Overflow, need to increment the next byte */
 198                         if (keys[i][0] == 0)
 199                                 incr = 1;
 200                         for (j = 1; j < hashtest_key_lens[table_index]; j++) {
 201                                 /* Do not increase next byte */
 202                                 if (incr == 0)
 203                                         if (success == 1)
 204                                                 keys[i][j] = keys[i - 1][j];
 205                                         else
 206                                                 keys[i][j] = keys[i][j];
 207                                 /* Increase next byte by one */
 208                                 else {
 209                                         if (success == 1)
 210                                                 keys[i][j] = keys[i-1][j] + 1;
 211                                         else
 212                                                 keys[i][j] = keys[i][j] + 1;
 213                                         if (keys[i][j] == 0)
 214                                                 incr = 1;
 215                                         else
 216                                                 incr = 0;
 217                                 }
 218                         }
 219                 }
 220                 success = 0;
 221                 signatures[i] = rte_hash_hash(h[table_index], keys[i]);
 222                 bucket_idx = signatures[i] & bucket_bitmask;
 223                 /*
 224                  * If we are not inserting keys in secondary location,
 225                  * when bucket is full, do not try to insert the key
 226                  */
 227                 if (with_pushes == 0)
 228                         if (buckets[bucket_idx] == BUCKET_SIZE)
 229                                 continue;
 230
 231                 /* If key can be added, leave in successful key arrays "keys" */
 232                 ret = rte_hash_add_key_with_hash(h[table_index], keys[i],
 233                                                 signatures[i]);
 234                 if (ret >= 0) {
 235                         /* If key is already added, ignore the entry and do not store */
 236                         if (slot_taken[ret])
 237                                 continue;
 238                         else {
 239                                 /* Store the returned position and mark slot as taken */
 240                                 slot_taken[ret] = 1;
 241                                 positions[i] = ret;
 242                                 buckets[bucket_idx]++;
 243                                 success = 1;
 244                                 i++;
 245                         }
 246                 }
 247         }
 248
 249         /* Reset the table, so we can measure the time to add all the entries */
 250         rte_hash_free(h[table_index]);
 251         h[table_index] = rte_hash_create(&ut_params);
 252
 253         return 0;
 254 }
 255
 256 static int
 257 timed_adds(unsigned with_hash, unsigned with_data, unsigned table_index)
 258 {
 259         unsigned i;
 260         const uint64_t start_tsc = rte_rdtsc();
 261         void *data;
 262         int32_t ret;
 263
 264         for (i = 0; i < KEYS_TO_ADD; i++) {
 265                 data = (void *) ((uintptr_t) signatures[i]);
 266                 if (with_hash && with_data) {
 267                         ret = rte_hash_add_key_with_hash_data(h[table_index],
 268                                                 (const void *) keys[i],
 269                                                 signatures[i], data);
 270                         if (ret < 0) {
 271                                 printf("Failed to add key number %u\n", ret);
 272                                 return -1;
 273                         }
 274                 } else if (with_hash && !with_data) {
 275                         ret = rte_hash_add_key_with_hash(h[table_index],
 276                                                 (const void *) keys[i],
 277                                                 signatures[i]);
 278                         if (ret >= 0)
 279                                 positions[i] = ret;
 280                         else {
 281                                 printf("Failed to add key number %u\n", ret);
 282                                 return -1;
 283                         }
 284                 } else if (!with_hash && with_data) {
 285                         ret = rte_hash_add_key_data(h[table_index],
 286                                                 (const void *) keys[i],
 287                                                 data);
 288                         if (ret < 0) {
 289                                 printf("Failed to add key number %u\n", ret);
 290                                 return -1;
 291                         }
 292                 } else {
 293                         ret = rte_hash_add_key(h[table_index], keys[i]);
 294                         if (ret >= 0)
 295                                 positions[i] = ret;
 296                         else {
 297                                 printf("Failed to add key number %u\n", ret);
 298                                 return -1;
 299                         }
 300                 }
 301         }
 302
 303         const uint64_t end_tsc = rte_rdtsc();
 304         const uint64_t time_taken = end_tsc - start_tsc;
 305
 306         cycles[table_index][ADD][with_hash][with_data] = time_taken/KEYS_TO_ADD;
 307
 308         return 0;
 309 }
 310
 311 static int
 312 timed_lookups(unsigned with_hash, unsigned with_data, unsigned table_index)
 313 {
 314         unsigned i, j;
 315         const uint64_t start_tsc = rte_rdtsc();
 316         void *ret_data;
 317         void *expected_data;
 318         int32_t ret;
 319
 320         for (i = 0; i < NUM_LOOKUPS/KEYS_TO_ADD; i++) {
 321                 for (j = 0; j < KEYS_TO_ADD; j++) {
 322                         if (with_hash && with_data) {
 323                                 ret = rte_hash_lookup_with_hash_data(h[table_index],
 324                                                         (const void *) keys[j],
 325                                                         signatures[j], &ret_data);
 326                                 if (ret < 0) {
 327                                         printf("Key number %u was not found\n", j);
 328                                         return -1;
 329                                 }
 330                                 expected_data = (void *) ((uintptr_t) signatures[j]);
 331                                 if (ret_data != expected_data) {
 332                                         printf("Data returned for key number %u is %p,"
 333                                                " but should be %p\n", j, ret_data,
 334                                                 expected_data);
 335                                         return -1;
 336                                 }
 337                         } else if (with_hash && !with_data) {
 338                                 ret = rte_hash_lookup_with_hash(h[table_index],
 339                                                         (const void *) keys[j],
 340                                                         signatures[j]);
 341                                 if (ret < 0 || ret != positions[j]) {
 342                                         printf("Key looked up in %d, should be in %d\n",
 343                                                 ret, positions[j]);
 344                                         return -1;
 345                                 }
 346                         } else if (!with_hash && with_data) {
 347                                 ret = rte_hash_lookup_data(h[table_index],
 348                                                         (const void *) keys[j], &ret_data);
 349                                 if (ret < 0) {
 350                                         printf("Key number %u was not found\n", j);
 351                                         return -1;
 352                                 }
 353                                 expected_data = (void *) ((uintptr_t) signatures[j]);
 354                                 if (ret_data != expected_data) {
 355                                         printf("Data returned for key number %u is %p,"
 356                                                " but should be %p\n", j, ret_data,
 357                                                 expected_data);
 358                                         return -1;
 359                                 }
 360                         } else {
 361                                 ret = rte_hash_lookup(h[table_index], keys[j]);
 362                                 if (ret < 0 || ret != positions[j]) {
 363                                         printf("Key looked up in %d, should be in %d\n",
 364                                                 ret, positions[j]);
 365                                         return -1;
 366                                 }
 367                         }
 368                 }
 369         }
 370
 371         const uint64_t end_tsc = rte_rdtsc();
 372         const uint64_t time_taken = end_tsc - start_tsc;
 373
 374         cycles[table_index][LOOKUP][with_hash][with_data] = time_taken/NUM_LOOKUPS;
 375
 376         return 0;
 377 }
 378
 379 static int
 380 timed_lookups_multi(unsigned with_data, unsigned table_index)
 381 {
 382         unsigned i, j, k;
 383         int32_t positions_burst[BURST_SIZE];
 384         const void *keys_burst[BURST_SIZE];
 385         void *expected_data[BURST_SIZE];
 386         void *ret_data[BURST_SIZE];
 387         uint64_t hit_mask;
 388         int ret;
 389
 390         const uint64_t start_tsc = rte_rdtsc();
 391
 392         for (i = 0; i < NUM_LOOKUPS/KEYS_TO_ADD; i++) {
 393                 for (j = 0; j < KEYS_TO_ADD/BURST_SIZE; j++) {
 394                         for (k = 0; k < BURST_SIZE; k++)
 395                                 keys_burst[k] = keys[j * BURST_SIZE + k];
 396                         if (with_data) {
 397                                 ret = rte_hash_lookup_bulk_data(h[table_index],
 398                                         (const void **) keys_burst,
 399                                         BURST_SIZE,
 400                                         &hit_mask,
 401                                         ret_data);
 402                                 if (ret != BURST_SIZE) {
 403                                         printf("Expect to find %u keys,"
 404                                                " but found %d\n", BURST_SIZE, ret);
 405                                         return -1;
 406                                 }
 407                                 for (k = 0; k < BURST_SIZE; k++) {
 408                                         if ((hit_mask & (1ULL << k))  == 0) {
 409                                                 printf("Key number %u not found\n",
 410                                                         j * BURST_SIZE + k);
 411                                                 return -1;
 412                                         }
 413                                         expected_data[k] = (void *) ((uintptr_t) signatures[j * BURST_SIZE + k]);
 414                                         if (ret_data[k] != expected_data[k]) {
 415                                                 printf("Data returned for key number %u is %p,"
 416                                                        " but should be %p\n", j * BURST_SIZE + k,
 417                                                         ret_data[k], expected_data[k]);
 418                                                 return -1;
 419                                         }
 420                                 }
 421                         } else {
 422                                 rte_hash_lookup_bulk(h[table_index],
 423                                                 (const void **) keys_burst,
 424                                                 BURST_SIZE,
 425                                                 positions_burst);
 426                                 for (k = 0; k < BURST_SIZE; k++) {
 427                                         if (positions_burst[k] != positions[j * BURST_SIZE + k]) {
 428                                                 printf("Key looked up in %d, should be in %d\n",
 429                                                         positions_burst[k],
 430                                                         positions[j * BURST_SIZE + k]);
 431                                                 return -1;
 432                                         }
 433                                 }
 434                         }
 435                 }
 436         }
 437
 438         const uint64_t end_tsc = rte_rdtsc();
 439         const uint64_t time_taken = end_tsc - start_tsc;
 440
 441         cycles[table_index][LOOKUP_MULTI][0][with_data] = time_taken/NUM_LOOKUPS;
 442
 443         return 0;
 444 }
 445
 446 static int
 447 timed_deletes(unsigned with_hash, unsigned with_data, unsigned table_index)
 448 {
 449         unsigned i;
 450         const uint64_t start_tsc = rte_rdtsc();
 451         int32_t ret;
 452
 453         for (i = 0; i < KEYS_TO_ADD; i++) {
 454                 /* There are no delete functions with data, so just call two functions */
 455                 if (with_hash)
 456                         ret = rte_hash_del_key_with_hash(h[table_index],
 457                                                         (const void *) keys[i],
 458                                                         signatures[i]);
 459                 else
 460                         ret = rte_hash_del_key(h[table_index],
 461                                                         (const void *) keys[i]);
 462                 if (ret >= 0)
 463                         positions[i] = ret;
 464                 else {
 465                         printf("Failed to add key number %u\n", ret);
 466                         return -1;
 467                 }
 468         }
 469
 470         const uint64_t end_tsc = rte_rdtsc();
 471         const uint64_t time_taken = end_tsc - start_tsc;
 472
 473         cycles[table_index][DELETE][with_hash][with_data] = time_taken/KEYS_TO_ADD;
 474
 475         return 0;
 476 }
 477
 478 static void
 479 free_table(unsigned table_index)
 480 {
 481         rte_hash_free(h[table_index]);
 482 }
 483
 484 static void
 485 reset_table(unsigned table_index)
 486 {
 487         rte_hash_reset(h[table_index]);
 488 }
 489
 490 static int
 491 run_all_tbl_perf_tests(unsigned with_pushes)
 492 {
 493         unsigned i, j, with_data, with_hash;
 494
 495         printf("Measuring performance, please wait");
 496         fflush(stdout);
 497
 498         for (with_data = 0; with_data <= 1; with_data++) {
 499                 for (i = 0; i < NUM_KEYSIZES; i++) {
 500                         if (create_table(with_data, i) < 0)
 501                                 return -1;
 502
 503                         if (get_input_keys(with_pushes, i) < 0)
 504                                 return -1;
 505                         for (with_hash = 0; with_hash <= 1; with_hash++) {
 506                                 if (timed_adds(with_hash, with_data, i) < 0)
 507                                         return -1;
 508
 509                                 for (j = 0; j < NUM_SHUFFLES; j++)
 510                                         shuffle_input_keys(i);
 511
 512                                 if (timed_lookups(with_hash, with_data, i) < 0)
 513                                         return -1;
 514
 515                                 if (timed_lookups_multi(with_data, i) < 0)
 516                                         return -1;
 517
 518                                 if (timed_deletes(with_hash, with_data, i) < 0)
 519                                         return -1;
 520
 521                                 /* Print a dot to show progress on operations */
 522                                 printf(".");
 523                                 fflush(stdout);
 524
 525                                 reset_table(i);
 526                         }
 527                         free_table(i);
 528                 }
 529         }
 530
 531         printf("\nResults (in CPU cycles/operation)\n");
 532         printf("-----------------------------------\n");
 533         for (with_data = 0; with_data <= 1; with_data++) {
 534                 if (with_data)
 535                         printf("\n Operations with 8-byte data\n");
 536                 else
 537                         printf("\n Operations without data\n");
 538                 for (with_hash = 0; with_hash <= 1; with_hash++) {
 539                         if (with_hash)
 540                                 printf("\nWith pre-computed hash values\n");
 541                         else
 542                                 printf("\nWithout pre-computed hash values\n");
 543
 544                         printf("\n%-18s%-18s%-18s%-18s%-18s\n",
 545                         "Keysize", "Add", "Lookup", "Lookup_bulk", "Delete");
 546                         for (i = 0; i < NUM_KEYSIZES; i++) {
 547                                 printf("%-18d", hashtest_key_lens[i]);
 548                                 for (j = 0; j < NUM_OPERATIONS; j++)
 549                                         printf("%-18"PRIu64, cycles[i][j][with_hash][with_data]);
 550                                 printf("\n");
 551                         }
 552                 }
 553         }
 554         return 0;
 555 }
 556
 557 /* Control operation of performance testing of fbk hash. */
 558 #define LOAD_FACTOR 0.667       /* How full to make the hash table. */
 559 #define TEST_SIZE 1000000       /* How many operations to time. */
 560 #define TEST_ITERATIONS 30      /* How many measurements to take. */
 561 #define ENTRIES (1 << 15)       /* How many entries. */
 562
 563 static int
 564 fbk_hash_perf_test(void)
 565 {
 566         struct rte_fbk_hash_params params = {
 567                 .name = "fbk_hash_test",
 568                 .entries = ENTRIES,
 569                 .entries_per_bucket = 4,
 570                 .socket_id = rte_socket_id(),
 571         };
 572         struct rte_fbk_hash_table *handle = NULL;
 573         uint32_t *keys = NULL;
 574         unsigned indexes[TEST_SIZE];
 575         uint64_t lookup_time = 0;
 576         unsigned added = 0;
 577         unsigned value = 0;
 578         uint32_t key;
 579         uint16_t val;
 580         unsigned i, j;
 581
 582         handle = rte_fbk_hash_create(&params);
 583         if (handle == NULL) {
 584                 printf("Error creating table\n");
 585                 return -1;
 586         }
 587
 588         keys = rte_zmalloc(NULL, ENTRIES * sizeof(*keys), 0);
 589         if (keys == NULL) {
 590                 printf("fbk hash: memory allocation for key store failed\n");
 591                 return -1;
 592         }
 593
 594         /* Generate random keys and values. */
 595         for (i = 0; i < ENTRIES; i++) {
 596                 key = (uint32_t)rte_rand();
 597                 key = ((uint64_t)key << 32) | (uint64_t)rte_rand();
 598                 val = (uint16_t)rte_rand();
 599
 600                 if (rte_fbk_hash_add_key(handle, key, val) == 0) {
 601                         keys[added] = key;
 602                         added++;
 603                 }
 604                 if (added > (LOAD_FACTOR * ENTRIES))
 605                         break;
 606         }
 607
 608         for (i = 0; i < TEST_ITERATIONS; i++) {
 609                 uint64_t begin;
 610                 uint64_t end;
 611
 612                 /* Generate random indexes into keys[] array. */
 613                 for (j = 0; j < TEST_SIZE; j++)
 614                         indexes[j] = rte_rand() % added;
 615
 616                 begin = rte_rdtsc();
 617                 /* Do lookups */
 618                 for (j = 0; j < TEST_SIZE; j++)
 619                         value += rte_fbk_hash_lookup(handle, keys[indexes[j]]);
 620
 621                 end = rte_rdtsc();
 622                 lookup_time += (double)(end - begin);
 623         }
 624
 625         printf("\n\n *** FBK Hash function performance test results ***\n");
 626         /*
 627          * The use of the 'value' variable ensures that the hash lookup is not
 628          * being optimised out by the compiler.
 629          */
 630         if (value != 0)
 631                 printf("Number of ticks per lookup = %g\n",
 632                         (double)lookup_time /
 633                         ((double)TEST_ITERATIONS * (double)TEST_SIZE));
 634
 635         rte_fbk_hash_free(handle);
 636
 637         return 0;
 638 }
 639
 640 static int
 641 test_hash_perf(void)
 642 {
 643         unsigned with_pushes;
 644
 645         for (with_pushes = 0; with_pushes <= 1; with_pushes++) {
 646                 if (with_pushes == 0)
 647                         printf("\nALL ELEMENTS IN PRIMARY LOCATION\n");
 648                 else
 649                         printf("\nELEMENTS IN PRIMARY OR SECONDARY LOCATION\n");
 650                 if (run_all_tbl_perf_tests(with_pushes) < 0)
 651                         return -1;
 652         }
 653         if (fbk_hash_perf_test() < 0)
 654                 return -1;
 655
 656         return 0;
 657 }
 658
 659 REGISTER_TEST_COMMAND(hash_perf_autotest, test_hash_perf);