app/test/test_hash_readwrite_lf_perf.c

   1 /* SPDX-License-Identifier: BSD-3-Clause
   2  * Copyright(c) 2018 Arm Limited
   3  */
   4
   5 #include <inttypes.h>
   6 #include <locale.h>
   7
   8 #include <rte_cycles.h>
   9 #include <rte_hash.h>
  10 #include <rte_hash_crc.h>
  11 #include <rte_jhash.h>
  12 #include <rte_launch.h>
  13 #include <rte_malloc.h>
  14 #include <rte_random.h>
  15 #include <rte_spinlock.h>
  16
  17 #include "test.h"
  18
  19 #ifndef RTE_HASH_EXTRA_FLAGS_RW_CONCURRENCY_LF
  20 #define RTE_HASH_EXTRA_FLAGS_RW_CONCURRENCY_LF 0
  21 #endif
  22
  23 #define BULK_LOOKUP_SIZE 32
  24
  25 #define RUN_WITH_HTM_DISABLED 0
  26
  27 #if (RUN_WITH_HTM_DISABLED)
  28
  29 #define TOTAL_ENTRY (5*1024)
  30 #define TOTAL_INSERT (5*1024)
  31
  32 #else
  33
  34 #define TOTAL_ENTRY (4*1024*1024)
  35 #define TOTAL_INSERT (4*1024*1024)
  36
  37 #endif
  38
  39 #define READ_FAIL 1
  40 #define READ_PASS_NO_KEY_SHIFTS 2
  41 #define READ_PASS_SHIFT_PATH 4
  42 #define READ_PASS_NON_SHIFT_PATH 8
  43 #define BULK_LOOKUP 16
  44 #define READ_PASS_KEY_SHIFTS_EXTBKT 32
  45
  46 #define WRITE_NO_KEY_SHIFT 0
  47 #define WRITE_KEY_SHIFT 1
  48 #define WRITE_EXT_BKT 2
  49
  50 #define NUM_TEST 3
  51 static unsigned int rwc_core_cnt[NUM_TEST] = {1, 2, 4};
  52
  53 struct rwc_perf {
  54         uint32_t w_no_ks_r_hit[2][NUM_TEST];
  55         uint32_t w_no_ks_r_miss[2][NUM_TEST];
  56         uint32_t w_ks_r_hit_nsp[2][NUM_TEST];
  57         uint32_t w_ks_r_hit_sp[2][NUM_TEST];
  58         uint32_t w_ks_r_miss[2][NUM_TEST];
  59         uint32_t multi_rw[NUM_TEST - 1][2][NUM_TEST];
  60         uint32_t w_ks_r_hit_extbkt[2][NUM_TEST];
  61 };
  62
  63 static struct rwc_perf rwc_lf_results, rwc_non_lf_results;
  64
  65 static struct {
  66         uint32_t *keys;
  67         uint32_t *keys_no_ks;
  68         uint32_t *keys_ks;
  69         uint32_t *keys_absent;
  70         uint32_t *keys_shift_path;
  71         uint32_t *keys_non_shift_path;
  72         uint32_t *keys_ext_bkt;
  73         uint32_t *keys_ks_extbkt;
  74         uint32_t count_keys_no_ks;
  75         uint32_t count_keys_ks;
  76         uint32_t count_keys_absent;
  77         uint32_t count_keys_shift_path;
  78         uint32_t count_keys_non_shift_path;
  79         uint32_t count_keys_extbkt;
  80         uint32_t count_keys_ks_extbkt;
  81         uint32_t single_insert;
  82         struct rte_hash *h;
  83 } tbl_rwc_test_param;
  84
  85 static rte_atomic64_t gread_cycles;
  86 static rte_atomic64_t greads;
  87
  88 static volatile uint8_t writer_done;
  89
  90 static uint16_t enabled_core_ids[RTE_MAX_LCORE];
  91
  92 static uint8_t *scanned_bkts;
  93
  94 static inline uint16_t
  95 get_short_sig(const hash_sig_t hash)
  96 {
  97         return hash >> 16;
  98 }
  99
 100 static inline uint32_t
 101 get_prim_bucket_index(__rte_unused const struct rte_hash *h,
 102                       const hash_sig_t hash)
 103 {
 104         uint32_t num_buckets;
 105         uint32_t bucket_bitmask;
 106         num_buckets  = rte_align32pow2(TOTAL_ENTRY) / 8;
 107         bucket_bitmask = num_buckets - 1;
 108         return hash & bucket_bitmask;
 109 }
 110
 111 static inline uint32_t
 112 get_alt_bucket_index(__rte_unused const struct rte_hash *h,
 113                         uint32_t cur_bkt_idx, uint16_t sig)
 114 {
 115         uint32_t num_buckets;
 116         uint32_t bucket_bitmask;
 117         num_buckets  = rte_align32pow2(TOTAL_ENTRY) / 8;
 118         bucket_bitmask = num_buckets - 1;
 119         return (cur_bkt_idx ^ sig) & bucket_bitmask;
 120 }
 121
 122
 123 static inline int
 124 get_enabled_cores_list(void)
 125 {
 126         uint32_t i = 0;
 127         uint16_t core_id;
 128         uint32_t max_cores = rte_lcore_count();
 129         RTE_LCORE_FOREACH(core_id) {
 130                 enabled_core_ids[i] = core_id;
 131                 i++;
 132         }
 133
 134         if (i != max_cores) {
 135                 printf("Number of enabled cores in list is different from "
 136                         "number given by rte_lcore_count()\n");
 137                 return -1;
 138         }
 139         return 0;
 140 }
 141
 142 static int
 143 init_params(int rwc_lf, int use_jhash, int htm, int ext_bkt)
 144 {
 145         struct rte_hash *handle;
 146
 147         struct rte_hash_parameters hash_params = {
 148                 .entries = TOTAL_ENTRY,
 149                 .key_len = sizeof(uint32_t),
 150                 .hash_func_init_val = 0,
 151                 .socket_id = rte_socket_id(),
 152         };
 153
 154         if (use_jhash)
 155                 hash_params.hash_func = rte_jhash;
 156         else
 157                 hash_params.hash_func = rte_hash_crc;
 158
 159         if (rwc_lf)
 160                 hash_params.extra_flag =
 161                         RTE_HASH_EXTRA_FLAGS_RW_CONCURRENCY_LF |
 162                         RTE_HASH_EXTRA_FLAGS_MULTI_WRITER_ADD;
 163         else if (htm)
 164                 hash_params.extra_flag =
 165                         RTE_HASH_EXTRA_FLAGS_TRANS_MEM_SUPPORT |
 166                         RTE_HASH_EXTRA_FLAGS_RW_CONCURRENCY |
 167                         RTE_HASH_EXTRA_FLAGS_MULTI_WRITER_ADD;
 168         else
 169                 hash_params.extra_flag =
 170                         RTE_HASH_EXTRA_FLAGS_RW_CONCURRENCY |
 171                         RTE_HASH_EXTRA_FLAGS_MULTI_WRITER_ADD;
 172
 173         if (ext_bkt)
 174                 hash_params.extra_flag |= RTE_HASH_EXTRA_FLAGS_EXT_TABLE;
 175
 176         hash_params.name = "tests";
 177
 178         handle = rte_hash_create(&hash_params);
 179         if (handle == NULL) {
 180                 printf("hash creation failed");
 181                 return -1;
 182         }
 183
 184         tbl_rwc_test_param.h = handle;
 185         return 0;
 186 }
 187
 188 static inline int
 189 check_bucket(uint32_t bkt_idx, uint32_t key)
 190 {
 191         uint32_t iter;
 192         uint32_t prev_iter;
 193         uint32_t diff;
 194         uint32_t count = 0;
 195         const void *next_key;
 196         void *next_data;
 197
 198         /* Temporary bucket to hold the keys */
 199         uint32_t keys_in_bkt[8];
 200
 201         iter = bkt_idx * 8;
 202         prev_iter = iter;
 203         while (rte_hash_iterate(tbl_rwc_test_param.h,
 204                         &next_key, &next_data, &iter) >= 0) {
 205
 206                 /* Check for duplicate entries */
 207                 if (*(const uint32_t *)next_key == key)
 208                         return 1;
 209
 210                 /* Identify if there is any free entry in the bucket */
 211                 diff = iter - prev_iter;
 212                 if (diff > 1)
 213                         break;
 214
 215                 prev_iter = iter;
 216                 keys_in_bkt[count] = *(const uint32_t *)next_key;
 217                 count++;
 218
 219                 /* All entries in the bucket are occupied */
 220                 if (count == 8) {
 221
 222                         /*
 223                          * Check if bucket was not scanned before, to avoid
 224                          * duplicate keys.
 225                          */
 226                         if (scanned_bkts[bkt_idx] == 0) {
 227                                 /*
 228                                  * Since this bucket (pointed to by bkt_idx) is
 229                                  * full, it is likely that key(s) in this
 230                                  * bucket will be on the shift path, when
 231                                  * collision occurs. Thus, add it to
 232                                  * keys_shift_path.
 233                                  */
 234                                 memcpy(tbl_rwc_test_param.keys_shift_path +
 235                                         tbl_rwc_test_param.count_keys_shift_path
 236                                         , keys_in_bkt, 32);
 237                                 tbl_rwc_test_param.count_keys_shift_path += 8;
 238                                 scanned_bkts[bkt_idx] = 1;
 239                         }
 240                         return -1;
 241                 }
 242         }
 243         return 0;
 244 }
 245
 246 static int
 247 generate_keys(void)
 248 {
 249         uint32_t *keys = NULL;
 250         uint32_t *keys_no_ks = NULL;
 251         uint32_t *keys_ks = NULL;
 252         uint32_t *keys_absent = NULL;
 253         uint32_t *keys_non_shift_path = NULL;
 254         uint32_t *keys_ext_bkt = NULL;
 255         uint32_t *keys_ks_extbkt = NULL;
 256         uint32_t *found = NULL;
 257         uint32_t count_keys_no_ks = 0;
 258         uint32_t count_keys_ks = 0;
 259         uint32_t count_keys_extbkt = 0;
 260         uint32_t i;
 261
 262         if (init_params(0, 0, 0, 0) != 0)
 263                 return -1;
 264
 265         /*
 266          * keys will consist of a) keys whose addition to the hash table
 267          * will result in shifting of the existing keys to their alternate
 268          * locations b) keys whose addition to the hash table will not result
 269          * in shifting of the existing keys.
 270          */
 271         keys = rte_malloc(NULL, sizeof(uint32_t) * TOTAL_INSERT, 0);
 272         if (keys == NULL) {
 273                 printf("RTE_MALLOC failed\n");
 274                 goto err;
 275         }
 276
 277         /*
 278          * keys_no_ks (no key-shifts): Subset of 'keys' - consists of keys  that
 279          * will NOT result in shifting of the existing keys to their alternate
 280          * locations. Roughly around 900K keys.
 281          */
 282         keys_no_ks = rte_malloc(NULL, sizeof(uint32_t) * TOTAL_INSERT, 0);
 283         if (keys_no_ks == NULL) {
 284                 printf("RTE_MALLOC failed\n");
 285                 goto err;
 286         }
 287
 288         /*
 289          * keys_ks (key-shifts): Subset of 'keys' - consists of keys that will
 290          * result in shifting of the existing keys to their alternate locations.
 291          * Roughly around 146K keys. There might be repeating keys. More code is
 292          * required to filter out these keys which will complicate the test case
 293          */
 294         keys_ks = rte_malloc(NULL, sizeof(uint32_t) * TOTAL_INSERT, 0);
 295         if (keys_ks == NULL) {
 296                 printf("RTE_MALLOC failed\n");
 297                 goto err;
 298         }
 299
 300         /* Used to identify keys not inserted in the hash table */
 301         found = rte_zmalloc(NULL, sizeof(uint32_t) * TOTAL_INSERT, 0);
 302         if (found == NULL) {
 303                 printf("RTE_MALLOC failed\n");
 304                 goto err;
 305         }
 306
 307         /*
 308          * This consist of keys not inserted to the hash table.
 309          * Used to test perf of lookup on keys that do not exist in the table.
 310          */
 311         keys_absent = rte_malloc(NULL, sizeof(uint32_t) * TOTAL_INSERT, 0);
 312         if (keys_absent == NULL) {
 313                 printf("RTE_MALLOC failed\n");
 314                 goto err;
 315         }
 316
 317         /*
 318          * This consist of keys which are likely to be on the shift
 319          * path (i.e. being moved to alternate location), when collision occurs
 320          * on addition of a key to an already full primary bucket.
 321          * Used to test perf of lookup on keys that are on the shift path.
 322          */
 323         tbl_rwc_test_param.keys_shift_path = rte_malloc(NULL, sizeof(uint32_t) *
 324                                                         TOTAL_INSERT, 0);
 325         if (tbl_rwc_test_param.keys_shift_path == NULL) {
 326                 printf("RTE_MALLOC failed\n");
 327                 goto err;
 328         }
 329
 330         /*
 331          * This consist of keys which are never on the shift
 332          * path (i.e. being moved to alternate location), when collision occurs
 333          * on addition of a key to an already full primary bucket.
 334          * Used to test perf of lookup on keys that are not on the shift path.
 335          */
 336         keys_non_shift_path = rte_malloc(NULL, sizeof(uint32_t) * TOTAL_INSERT,
 337                                          0);
 338         if (keys_non_shift_path == NULL) {
 339                 printf("RTE_MALLOC failed\n");
 340                 goto err;
 341         }
 342
 343         /*
 344          * This consist of keys which will be stored in extended buckets
 345          */
 346         keys_ext_bkt = rte_malloc(NULL, sizeof(uint32_t) * TOTAL_INSERT, 0);
 347         if (keys_ext_bkt == NULL) {
 348                 printf("RTE_MALLOC failed\n");
 349                 goto err;
 350         }
 351
 352         /*
 353          * This consist of keys which when deleted causes shifting of keys
 354          * in extended buckets to respective secondary buckets
 355          */
 356         keys_ks_extbkt = rte_malloc(NULL, sizeof(uint32_t) * TOTAL_INSERT, 0);
 357         if (keys_ks_extbkt == NULL) {
 358                 printf("RTE_MALLOC failed\n");
 359                 goto err;
 360         }
 361
 362         hash_sig_t sig;
 363         uint32_t prim_bucket_idx;
 364         uint32_t sec_bucket_idx;
 365         uint16_t short_sig;
 366         uint32_t num_buckets;
 367         num_buckets  = rte_align32pow2(TOTAL_ENTRY) / 8;
 368         int ret;
 369
 370         /*
 371          * Used to mark bkts in which at least one key was shifted to its
 372          * alternate location
 373          */
 374         scanned_bkts = rte_malloc(NULL, sizeof(uint8_t) * num_buckets, 0);
 375         if (scanned_bkts == NULL) {
 376                 printf("RTE_MALLOC failed\n");
 377                 goto err;
 378         }
 379
 380         tbl_rwc_test_param.keys = keys;
 381         tbl_rwc_test_param.keys_no_ks = keys_no_ks;
 382         tbl_rwc_test_param.keys_ks = keys_ks;
 383         tbl_rwc_test_param.keys_absent = keys_absent;
 384         tbl_rwc_test_param.keys_non_shift_path = keys_non_shift_path;
 385         tbl_rwc_test_param.keys_ext_bkt = keys_ext_bkt;
 386         tbl_rwc_test_param.keys_ks_extbkt = keys_ks_extbkt;
 387         /* Generate keys by adding previous two keys, neglect overflow */
 388         printf("Generating keys...\n");
 389         keys[0] = 0;
 390         keys[1] = 1;
 391         for (i = 2; i < TOTAL_INSERT; i++)
 392                 keys[i] = keys[i-1] + keys[i-2];
 393
 394         /* Segregate keys into keys_no_ks and keys_ks */
 395         for (i = 0; i < TOTAL_INSERT; i++) {
 396                 /* Check if primary bucket has space.*/
 397                 sig = rte_hash_hash(tbl_rwc_test_param.h,
 398                                         tbl_rwc_test_param.keys+i);
 399                 prim_bucket_idx = get_prim_bucket_index(tbl_rwc_test_param.h,
 400                                                         sig);
 401                 ret = check_bucket(prim_bucket_idx, keys[i]);
 402                 if (ret < 0) {
 403                         /*
 404                          * Primary bucket is full, this key will result in
 405                          * shifting of the keys to their alternate locations.
 406                          */
 407                         keys_ks[count_keys_ks] = keys[i];
 408                         count_keys_ks++;
 409                 } else if (ret == 0) {
 410                         /*
 411                          * Primary bucket has space, this key will not result in
 412                          * shifting of the keys. Hence, add key to the table.
 413                          */
 414                         ret = rte_hash_add_key_data(tbl_rwc_test_param.h,
 415                                                         keys+i,
 416                                                         (void *)((uintptr_t)i));
 417                         if (ret < 0) {
 418                                 printf("writer failed %"PRIu32"\n", i);
 419                                 break;
 420                         }
 421                         keys_no_ks[count_keys_no_ks] = keys[i];
 422                         count_keys_no_ks++;
 423                 }
 424         }
 425
 426         for (i = 0; i < count_keys_no_ks; i++) {
 427                 /*
 428                  * Identify keys in keys_no_ks with value less than
 429                  * 4M (HTM enabled) OR 5K (HTM disabled)
 430                  */
 431                 if (keys_no_ks[i] < TOTAL_INSERT)
 432                         found[keys_no_ks[i]]++;
 433         }
 434
 435         for (i = 0; i < count_keys_ks; i++) {
 436                 /*
 437                  * Identify keys in keys_ks with value less than
 438                  * 4M (HTM enabled) OR 5K (HTM disabled)
 439                  */
 440                 if (keys_ks[i] < TOTAL_INSERT)
 441                         found[keys_ks[i]]++;
 442         }
 443
 444         uint32_t count_keys_absent = 0;
 445         for (i = 0; i < TOTAL_INSERT; i++) {
 446                 /*
 447                  * Identify missing keys between 0 and
 448                  * 4M (HTM enabled) OR 5K (HTM disabled)
 449                  */
 450                 if (found[i] == 0)
 451                         keys_absent[count_keys_absent++] = i;
 452         }
 453
 454         /* Find keys that will not be on the shift path */
 455         uint32_t iter;
 456         const void *next_key;
 457         void *next_data;
 458         uint32_t count = 0;
 459         for (i = 0; i < num_buckets; i++) {
 460                 /* Check bucket for no keys shifted to alternate locations */
 461                 if (scanned_bkts[i] == 0) {
 462                         iter = i * 8;
 463                         while (rte_hash_iterate(tbl_rwc_test_param.h,
 464                                 &next_key, &next_data, &iter) >= 0) {
 465
 466                                 /* Check if key belongs to the current bucket */
 467                                 if (i >= (iter-1)/8)
 468                                         keys_non_shift_path[count++]
 469                                                 = *(const uint32_t *)next_key;
 470                                 else
 471                                         break;
 472                         }
 473                 }
 474         }
 475
 476         tbl_rwc_test_param.count_keys_no_ks = count_keys_no_ks;
 477         tbl_rwc_test_param.count_keys_ks = count_keys_ks;
 478         tbl_rwc_test_param.count_keys_absent = count_keys_absent;
 479         tbl_rwc_test_param.count_keys_non_shift_path = count;
 480
 481         memset(scanned_bkts, 0, num_buckets);
 482         count = 0;
 483         /* Find keys that will be in extended buckets */
 484         for (i = 0; i < count_keys_ks; i++) {
 485                 ret = rte_hash_add_key(tbl_rwc_test_param.h, keys_ks + i);
 486                 if (ret < 0) {
 487                         /* Key will be added to ext bkt */
 488                         keys_ext_bkt[count_keys_extbkt++] = keys_ks[i];
 489                         /* Sec bkt to be added to keys_ks_extbkt */
 490                         sig = rte_hash_hash(tbl_rwc_test_param.h,
 491                                         tbl_rwc_test_param.keys_ks + i);
 492                         prim_bucket_idx = get_prim_bucket_index(
 493                                                 tbl_rwc_test_param.h, sig);
 494                         short_sig = get_short_sig(sig);
 495                         sec_bucket_idx = get_alt_bucket_index(
 496                                                 tbl_rwc_test_param.h,
 497                                                 prim_bucket_idx, short_sig);
 498                         if (scanned_bkts[sec_bucket_idx] == 0)
 499                                 scanned_bkts[sec_bucket_idx] = 1;
 500                 }
 501         }
 502
 503         /* Find keys that will shift keys in ext bucket*/
 504         for (i = 0; i < num_buckets; i++) {
 505                 if (scanned_bkts[i] == 1) {
 506                         iter = i * 8;
 507                         while (rte_hash_iterate(tbl_rwc_test_param.h,
 508                                 &next_key, &next_data, &iter) >= 0) {
 509                                 /* Check if key belongs to the current bucket */
 510                                 if (i >= (iter-1)/8)
 511                                         keys_ks_extbkt[count++]
 512                                                 = *(const uint32_t *)next_key;
 513                                 else
 514                                         break;
 515                         }
 516                 }
 517         }
 518
 519         tbl_rwc_test_param.count_keys_ks_extbkt = count;
 520         tbl_rwc_test_param.count_keys_extbkt = count_keys_extbkt;
 521
 522         printf("\nCount of keys NOT causing shifting of existing keys to "
 523         "alternate location: %d\n", tbl_rwc_test_param.count_keys_no_ks);
 524         printf("\nCount of keys causing shifting of existing keys to alternate "
 525                 "locations: %d\n\n", tbl_rwc_test_param.count_keys_ks);
 526         printf("Count of absent keys that will never be added to the hash "
 527                 "table: %d\n\n", tbl_rwc_test_param.count_keys_absent);
 528         printf("Count of keys likely to be on the shift path: %d\n\n",
 529                tbl_rwc_test_param.count_keys_shift_path);
 530         printf("Count of keys not likely to be on the shift path: %d\n\n",
 531                tbl_rwc_test_param.count_keys_non_shift_path);
 532         printf("Count of keys in extended buckets: %d\n\n",
 533                tbl_rwc_test_param.count_keys_extbkt);
 534         printf("Count of keys shifting keys in ext buckets: %d\n\n",
 535                tbl_rwc_test_param.count_keys_ks_extbkt);
 536
 537         rte_free(found);
 538         rte_free(scanned_bkts);
 539         rte_hash_free(tbl_rwc_test_param.h);
 540         return 0;
 541
 542 err:
 543         rte_free(keys);
 544         rte_free(keys_no_ks);
 545         rte_free(keys_ks);
 546         rte_free(keys_absent);
 547         rte_free(found);
 548         rte_free(tbl_rwc_test_param.keys_shift_path);
 549         rte_free(keys_non_shift_path);
 550         rte_free(keys_ext_bkt);
 551         rte_free(keys_ks_extbkt);
 552         rte_free(scanned_bkts);
 553         rte_hash_free(tbl_rwc_test_param.h);
 554         return -1;
 555 }
 556
 557 static int
 558 test_rwc_reader(__rte_unused void *arg)
 559 {
 560         uint32_t i, j;
 561         int ret;
 562         uint64_t begin, cycles;
 563         uint32_t loop_cnt = 0;
 564         uint8_t read_type = (uint8_t)((uintptr_t)arg);
 565         uint32_t read_cnt;
 566         uint32_t *keys;
 567         uint32_t extra_keys;
 568         int32_t pos[BULK_LOOKUP_SIZE];
 569         void *temp_a[BULK_LOOKUP_SIZE];
 570
 571         if (read_type & READ_FAIL) {
 572                 keys = tbl_rwc_test_param.keys_absent;
 573                 read_cnt = tbl_rwc_test_param.count_keys_absent;
 574         } else if (read_type & READ_PASS_NO_KEY_SHIFTS) {
 575                 keys = tbl_rwc_test_param.keys_no_ks;
 576                 read_cnt = tbl_rwc_test_param.count_keys_no_ks;
 577         } else if (read_type & READ_PASS_SHIFT_PATH) {
 578                 keys = tbl_rwc_test_param.keys_shift_path;
 579                 read_cnt = tbl_rwc_test_param.count_keys_shift_path;
 580         } else if (read_type & READ_PASS_KEY_SHIFTS_EXTBKT) {
 581                 keys = tbl_rwc_test_param.keys_ext_bkt;
 582                 read_cnt = tbl_rwc_test_param.count_keys_extbkt;
 583         } else {
 584                 keys = tbl_rwc_test_param.keys_non_shift_path;
 585                 read_cnt = tbl_rwc_test_param.count_keys_non_shift_path;
 586         }
 587
 588         extra_keys = read_cnt & (BULK_LOOKUP_SIZE - 1);
 589
 590         begin = rte_rdtsc_precise();
 591         do {
 592                 if (read_type & BULK_LOOKUP) {
 593                         for (i = 0; i < (read_cnt - extra_keys);
 594                              i += BULK_LOOKUP_SIZE) {
 595                                 /* Array of  pointer to the list of keys */
 596                                 for (j = 0; j < BULK_LOOKUP_SIZE; j++)
 597                                         temp_a[j] = keys + i + j;
 598                                 rte_hash_lookup_bulk(tbl_rwc_test_param.h,
 599                                                    (const void **)
 600                                                    ((uintptr_t)temp_a),
 601                                                    BULK_LOOKUP_SIZE, pos);
 602                                 /* Validate lookup result */
 603                                 for (j = 0; j < BULK_LOOKUP_SIZE; j++)
 604                                         if ((read_type & READ_FAIL &&
 605                                              pos[j] != -ENOENT) ||
 606                                             (!(read_type & READ_FAIL) &&
 607                                              pos[j] == -ENOENT)) {
 608                                                 printf("lookup failed!"
 609                                                        "%"PRIu32"\n",
 610                                                        keys[i + j]);
 611                                                 return -1;
 612                                         }
 613                         }
 614                         for (j = 0; j < extra_keys; j++)
 615                                 temp_a[j] = keys + i + j;
 616
 617                         rte_hash_lookup_bulk(tbl_rwc_test_param.h,
 618                                            (const void **)
 619                                            ((uintptr_t)temp_a),
 620                                            extra_keys, pos);
 621                         for (j = 0; j < extra_keys; j++)
 622                                 if ((read_type & READ_FAIL &&
 623                                      pos[j] != -ENOENT) ||
 624                                     (!(read_type & READ_FAIL) &&
 625                                      pos[j] == -ENOENT)) {
 626                                         printf("lookup failed! %"PRIu32"\n",
 627                                                keys[i + j]);
 628                                         return -1;
 629                                 }
 630                 } else {
 631                         for (i = 0; i < read_cnt; i++) {
 632                                 ret = rte_hash_lookup
 633                                         (tbl_rwc_test_param.h, keys + i);
 634                                 if (((read_type & READ_FAIL) &&
 635                                      (ret != -ENOENT)) ||
 636                                     (!(read_type & READ_FAIL) &&
 637                                         ret == -ENOENT)) {
 638                                         printf("lookup failed! %"PRIu32"\n",
 639                                                keys[i]);
 640                                         return -1;
 641                                 }
 642                         }
 643                 }
 644                 loop_cnt++;
 645         } while (!writer_done);
 646
 647         cycles = rte_rdtsc_precise() - begin;
 648         rte_atomic64_add(&gread_cycles, cycles);
 649         rte_atomic64_add(&greads, read_cnt*loop_cnt);
 650         return 0;
 651 }
 652
 653 static int
 654 write_keys(uint8_t write_type)
 655 {
 656         uint32_t i;
 657         int ret;
 658         uint32_t key_cnt = 0;
 659         uint32_t *keys;
 660         if (write_type == WRITE_KEY_SHIFT) {
 661                 key_cnt = tbl_rwc_test_param.count_keys_ks;
 662                 keys = tbl_rwc_test_param.keys_ks;
 663         } else if (write_type == WRITE_NO_KEY_SHIFT) {
 664                 key_cnt = tbl_rwc_test_param.count_keys_no_ks;
 665                 keys = tbl_rwc_test_param.keys_no_ks;
 666         } else if (write_type == WRITE_EXT_BKT) {
 667                 key_cnt = tbl_rwc_test_param.count_keys_extbkt;
 668                 keys = tbl_rwc_test_param.keys_ext_bkt;
 669         }
 670         for (i = 0; i < key_cnt; i++) {
 671                 ret = rte_hash_add_key(tbl_rwc_test_param.h, keys + i);
 672                 if ((write_type == WRITE_NO_KEY_SHIFT) && ret < 0) {
 673                         printf("writer failed %"PRIu32"\n", i);
 674                         return -1;
 675                 }
 676         }
 677         return 0;
 678 }
 679
 680 static int
 681 test_rwc_multi_writer(__rte_unused void *arg)
 682 {
 683         uint32_t i, offset;
 684         uint32_t pos_core = (uint32_t)((uintptr_t)arg);
 685         offset = pos_core * tbl_rwc_test_param.single_insert;
 686         for (i = offset; i < offset + tbl_rwc_test_param.single_insert; i++)
 687                 rte_hash_add_key(tbl_rwc_test_param.h,
 688                                  tbl_rwc_test_param.keys_ks + i);
 689         return 0;
 690 }
 691
 692 /*
 693  * Test lookup perf:
 694  * Reader(s) lookup keys present in the table.
 695  */
 696 static int
 697 test_hash_add_no_ks_lookup_hit(struct rwc_perf *rwc_perf_results, int rwc_lf,
 698                                 int htm, int ext_bkt)
 699 {
 700         unsigned int n, m;
 701         uint64_t i;
 702         int use_jhash = 0;
 703         uint8_t write_type = WRITE_NO_KEY_SHIFT;
 704         uint8_t read_type = READ_PASS_NO_KEY_SHIFTS;
 705
 706         rte_atomic64_init(&greads);
 707         rte_atomic64_init(&gread_cycles);
 708
 709         if (init_params(rwc_lf, use_jhash, htm, ext_bkt) != 0)
 710                 goto err;
 711         printf("\nTest: Hash add - no key-shifts, read - hit\n");
 712         for (m = 0; m < 2; m++) {
 713                 if (m == 1) {
 714                         printf("\n** With bulk-lookup **\n");
 715                         read_type |= BULK_LOOKUP;
 716                 }
 717                 for (n = 0; n < NUM_TEST; n++) {
 718                         unsigned int tot_lcore = rte_lcore_count();
 719                         if (tot_lcore < rwc_core_cnt[n] + 1)
 720                                 goto finish;
 721
 722                         printf("\nNumber of readers: %u\n", rwc_core_cnt[n]);
 723
 724                         rte_atomic64_clear(&greads);
 725                         rte_atomic64_clear(&gread_cycles);
 726
 727                         rte_hash_reset(tbl_rwc_test_param.h);
 728                         writer_done = 0;
 729                         if (write_keys(write_type) < 0)
 730                                 goto err;
 731                         writer_done = 1;
 732                         for (i = 1; i <= rwc_core_cnt[n]; i++)
 733                                 rte_eal_remote_launch(test_rwc_reader,
 734                                                 (void *)(uintptr_t)read_type,
 735                                                         enabled_core_ids[i]);
 736
 737                         for (i = 1; i <= rwc_core_cnt[n]; i++)
 738                                 if (rte_eal_wait_lcore(enabled_core_ids[i]) < 0)
 739                                         goto err;
 740
 741                         unsigned long long cycles_per_lookup =
 742                                 rte_atomic64_read(&gread_cycles) /
 743                                 rte_atomic64_read(&greads);
 744                         rwc_perf_results->w_no_ks_r_hit[m][n]
 745                                                 = cycles_per_lookup;
 746                         printf("Cycles per lookup: %llu\n", cycles_per_lookup);
 747                 }
 748         }
 749
 750 finish:
 751         rte_hash_free(tbl_rwc_test_param.h);
 752         return 0;
 753
 754 err:
 755         rte_eal_mp_wait_lcore();
 756         rte_hash_free(tbl_rwc_test_param.h);
 757         return -1;
 758 }
 759
 760 /*
 761  * Test lookup perf:
 762  * Reader(s) lookup keys absent in the table while
 763  * 'Main' thread adds with no key-shifts.
 764  */
 765 static int
 766 test_hash_add_no_ks_lookup_miss(struct rwc_perf *rwc_perf_results, int rwc_lf,
 767                                 int htm, int ext_bkt)
 768 {
 769         unsigned int n, m;
 770         uint64_t i;
 771         int use_jhash = 0;
 772         uint8_t write_type = WRITE_NO_KEY_SHIFT;
 773         uint8_t read_type = READ_FAIL;
 774         int ret;
 775
 776         rte_atomic64_init(&greads);
 777         rte_atomic64_init(&gread_cycles);
 778
 779         if (init_params(rwc_lf, use_jhash, htm, ext_bkt) != 0)
 780                 goto err;
 781         printf("\nTest: Hash add - no key-shifts, Hash lookup - miss\n");
 782         for (m = 0; m < 2; m++) {
 783                 if (m == 1) {
 784                         printf("\n** With bulk-lookup **\n");
 785                         read_type |= BULK_LOOKUP;
 786                 }
 787                 for (n = 0; n < NUM_TEST; n++) {
 788                         unsigned int tot_lcore = rte_lcore_count();
 789                         if (tot_lcore < rwc_core_cnt[n] + 1)
 790                                 goto finish;
 791
 792                         printf("\nNumber of readers: %u\n", rwc_core_cnt[n]);
 793
 794                         rte_atomic64_clear(&greads);
 795                         rte_atomic64_clear(&gread_cycles);
 796
 797                         rte_hash_reset(tbl_rwc_test_param.h);
 798                         writer_done = 0;
 799
 800                         for (i = 1; i <= rwc_core_cnt[n]; i++)
 801                                 rte_eal_remote_launch(test_rwc_reader,
 802                                                 (void *)(uintptr_t)read_type,
 803                                                         enabled_core_ids[i]);
 804                         ret = write_keys(write_type);
 805                         writer_done = 1;
 806
 807                         if (ret < 0)
 808                                 goto err;
 809                         for (i = 1; i <= rwc_core_cnt[n]; i++)
 810                                 if (rte_eal_wait_lcore(enabled_core_ids[i]) < 0)
 811                                         goto err;
 812
 813                         unsigned long long cycles_per_lookup =
 814                                 rte_atomic64_read(&gread_cycles) /
 815                                 rte_atomic64_read(&greads);
 816                         rwc_perf_results->w_no_ks_r_miss[m][n]
 817                                                 = cycles_per_lookup;
 818                         printf("Cycles per lookup: %llu\n", cycles_per_lookup);
 819                 }
 820         }
 821
 822 finish:
 823         rte_hash_free(tbl_rwc_test_param.h);
 824         return 0;
 825
 826 err:
 827         rte_eal_mp_wait_lcore();
 828         rte_hash_free(tbl_rwc_test_param.h);
 829         return -1;
 830 }
 831
 832 /*
 833  * Test lookup perf:
 834  * Reader(s) lookup keys present in the table and not likely to be on the
 835  * shift path  while 'Main' thread adds keys causing key-shifts.
 836  */
 837 static int
 838 test_hash_add_ks_lookup_hit_non_sp(struct rwc_perf *rwc_perf_results,
 839                                     int rwc_lf, int htm, int ext_bkt)
 840 {
 841         unsigned int n, m;
 842         uint64_t i;
 843         int use_jhash = 0;
 844         int ret;
 845         uint8_t write_type;
 846         uint8_t read_type = READ_PASS_NON_SHIFT_PATH;
 847
 848         rte_atomic64_init(&greads);
 849         rte_atomic64_init(&gread_cycles);
 850
 851         if (init_params(rwc_lf, use_jhash, htm, ext_bkt) != 0)
 852                 goto err;
 853         printf("\nTest: Hash add - key shift, Hash lookup - hit"
 854                " (non-shift-path)\n");
 855         for (m = 0; m < 2; m++) {
 856                 if (m == 1) {
 857                         printf("\n** With bulk-lookup **\n");
 858                         read_type |= BULK_LOOKUP;
 859                 }
 860                 for (n = 0; n < NUM_TEST; n++) {
 861                         unsigned int tot_lcore = rte_lcore_count();
 862                         if (tot_lcore < rwc_core_cnt[n] + 1)
 863                                 goto finish;
 864
 865                         printf("\nNumber of readers: %u\n", rwc_core_cnt[n]);
 866
 867                         rte_atomic64_clear(&greads);
 868                         rte_atomic64_clear(&gread_cycles);
 869
 870                         rte_hash_reset(tbl_rwc_test_param.h);
 871                         writer_done = 0;
 872                         write_type = WRITE_NO_KEY_SHIFT;
 873                         if (write_keys(write_type) < 0)
 874                                 goto err;
 875                         for (i = 1; i <= rwc_core_cnt[n]; i++)
 876                                 rte_eal_remote_launch(test_rwc_reader,
 877                                                 (void *)(uintptr_t)read_type,
 878                                                         enabled_core_ids[i]);
 879                         write_type = WRITE_KEY_SHIFT;
 880                         ret = write_keys(write_type);
 881                         writer_done = 1;
 882
 883                         if (ret < 0)
 884                                 goto err;
 885                         for (i = 1; i <= rwc_core_cnt[n]; i++)
 886                                 if (rte_eal_wait_lcore(enabled_core_ids[i]) < 0)
 887                                         goto err;
 888
 889                         unsigned long long cycles_per_lookup =
 890                                 rte_atomic64_read(&gread_cycles) /
 891                                 rte_atomic64_read(&greads);
 892                         rwc_perf_results->w_ks_r_hit_nsp[m][n]
 893                                                 = cycles_per_lookup;
 894                         printf("Cycles per lookup: %llu\n", cycles_per_lookup);
 895                 }
 896         }
 897
 898 finish:
 899         rte_hash_free(tbl_rwc_test_param.h);
 900         return 0;
 901
 902 err:
 903         rte_eal_mp_wait_lcore();
 904         rte_hash_free(tbl_rwc_test_param.h);
 905         return -1;
 906 }
 907
 908 /*
 909  * Test lookup perf:
 910  * Reader(s) lookup keys present in the table and likely on the shift-path while
 911  * 'Main' thread adds keys causing key-shifts.
 912  */
 913 static int
 914 test_hash_add_ks_lookup_hit_sp(struct rwc_perf *rwc_perf_results, int rwc_lf,
 915                                 int htm, int ext_bkt)
 916 {
 917         unsigned int n, m;
 918         uint64_t i;
 919         int use_jhash = 0;
 920         int ret;
 921         uint8_t write_type;
 922         uint8_t read_type = READ_PASS_SHIFT_PATH;
 923
 924         rte_atomic64_init(&greads);
 925         rte_atomic64_init(&gread_cycles);
 926
 927         if (init_params(rwc_lf, use_jhash, htm, ext_bkt) != 0)
 928                 goto err;
 929         printf("\nTest: Hash add - key shift, Hash lookup - hit (shift-path)"
 930                "\n");
 931
 932         for (m = 0; m < 2; m++) {
 933                 if (m == 1) {
 934                         printf("\n** With bulk-lookup **\n");
 935                         read_type |= BULK_LOOKUP;
 936                 }
 937                 for (n = 0; n < NUM_TEST; n++) {
 938                         unsigned int tot_lcore = rte_lcore_count();
 939                         if (tot_lcore < rwc_core_cnt[n] + 1)
 940                                 goto finish;
 941
 942                         printf("\nNumber of readers: %u\n", rwc_core_cnt[n]);
 943                         rte_atomic64_clear(&greads);
 944                         rte_atomic64_clear(&gread_cycles);
 945
 946                         rte_hash_reset(tbl_rwc_test_param.h);
 947                         writer_done = 0;
 948                         write_type = WRITE_NO_KEY_SHIFT;
 949                         if (write_keys(write_type) < 0)
 950                                 goto err;
 951                         for (i = 1; i <= rwc_core_cnt[n]; i++)
 952                                 rte_eal_remote_launch(test_rwc_reader,
 953                                                 (void *)(uintptr_t)read_type,
 954                                                 enabled_core_ids[i]);
 955                         write_type = WRITE_KEY_SHIFT;
 956                         ret = write_keys(write_type);
 957                         writer_done = 1;
 958
 959                         if (ret < 0)
 960                                 goto err;
 961                         for (i = 1; i <= rwc_core_cnt[n]; i++)
 962                                 if (rte_eal_wait_lcore(enabled_core_ids[i]) < 0)
 963                                         goto err;
 964
 965                         unsigned long long cycles_per_lookup =
 966                                 rte_atomic64_read(&gread_cycles) /
 967                                 rte_atomic64_read(&greads);
 968                         rwc_perf_results->w_ks_r_hit_sp[m][n]
 969                                                 = cycles_per_lookup;
 970                         printf("Cycles per lookup: %llu\n", cycles_per_lookup);
 971                 }
 972         }
 973
 974 finish:
 975         rte_hash_free(tbl_rwc_test_param.h);
 976         return 0;
 977
 978 err:
 979         rte_eal_mp_wait_lcore();
 980         rte_hash_free(tbl_rwc_test_param.h);
 981         return -1;
 982 }
 983
 984 /*
 985  * Test lookup perf:
 986  * Reader(s) lookup keys absent in the table while
 987  * 'Main' thread adds keys causing key-shifts.
 988  */
 989 static int
 990 test_hash_add_ks_lookup_miss(struct rwc_perf *rwc_perf_results, int rwc_lf, int
 991                              htm, int ext_bkt)
 992 {
 993         unsigned int n, m;
 994         uint64_t i;
 995         int use_jhash = 0;
 996         int ret;
 997         uint8_t write_type;
 998         uint8_t read_type = READ_FAIL;
 999
1000         rte_atomic64_init(&greads);
1001         rte_atomic64_init(&gread_cycles);
1002
1003         if (init_params(rwc_lf, use_jhash, htm, ext_bkt) != 0)
1004                 goto err;
1005         printf("\nTest: Hash add - key shift, Hash lookup - miss\n");
1006         for (m = 0; m < 2; m++) {
1007                 if (m == 1) {
1008                         printf("\n** With bulk-lookup **\n");
1009                         read_type |= BULK_LOOKUP;
1010                 }
1011                 for (n = 0; n < NUM_TEST; n++) {
1012                         unsigned int tot_lcore = rte_lcore_count();
1013                         if (tot_lcore < rwc_core_cnt[n] + 1)
1014                                 goto finish;
1015
1016                         printf("\nNumber of readers: %u\n", rwc_core_cnt[n]);
1017
1018                         rte_atomic64_clear(&greads);
1019                         rte_atomic64_clear(&gread_cycles);
1020
1021                         rte_hash_reset(tbl_rwc_test_param.h);
1022                         writer_done = 0;
1023                         write_type = WRITE_NO_KEY_SHIFT;
1024                         if (write_keys(write_type) < 0)
1025                                 goto err;
1026                         for (i = 1; i <= rwc_core_cnt[n]; i++)
1027                                 rte_eal_remote_launch(test_rwc_reader,
1028                                                 (void *)(uintptr_t)read_type,
1029                                                         enabled_core_ids[i]);
1030                         write_type = WRITE_KEY_SHIFT;
1031                         ret = write_keys(write_type);
1032                         writer_done = 1;
1033
1034                         if (ret < 0)
1035                                 goto err;
1036                         for (i = 1; i <= rwc_core_cnt[n]; i++)
1037                                 if (rte_eal_wait_lcore(enabled_core_ids[i]) < 0)
1038                                         goto err;
1039
1040                         unsigned long long cycles_per_lookup =
1041                                 rte_atomic64_read(&gread_cycles) /
1042                                 rte_atomic64_read(&greads);
1043                         rwc_perf_results->w_ks_r_miss[m][n] = cycles_per_lookup;
1044                         printf("Cycles per lookup: %llu\n", cycles_per_lookup);
1045                 }
1046         }
1047
1048 finish:
1049         rte_hash_free(tbl_rwc_test_param.h);
1050         return 0;
1051
1052 err:
1053         rte_eal_mp_wait_lcore();
1054         rte_hash_free(tbl_rwc_test_param.h);
1055         return -1;
1056 }
1057
1058 /*
1059  * Test lookup perf for multi-writer:
1060  * Reader(s) lookup keys present in the table and likely on the shift-path while
1061  * Writers add keys causing key-shiftsi.
1062  * Writers are running in parallel, on different data plane cores.
1063  */
1064 static int
1065 test_hash_multi_add_lookup(struct rwc_perf *rwc_perf_results, int rwc_lf,
1066                            int htm, int ext_bkt)
1067 {
1068         unsigned int n, m, k;
1069         uint64_t i;
1070         int use_jhash = 0;
1071         uint8_t write_type;
1072         uint8_t read_type = READ_PASS_SHIFT_PATH;
1073
1074         rte_atomic64_init(&greads);
1075         rte_atomic64_init(&gread_cycles);
1076
1077         if (init_params(rwc_lf, use_jhash, htm, ext_bkt) != 0)
1078                 goto err;
1079         printf("\nTest: Multi-add-lookup\n");
1080         uint8_t pos_core;
1081         for (m = 1; m < NUM_TEST; m++) {
1082                 /* Calculate keys added by each writer */
1083                 tbl_rwc_test_param.single_insert =
1084                         tbl_rwc_test_param.count_keys_ks / rwc_core_cnt[m];
1085                 for (k = 0; k < 2; k++) {
1086                         if (k == 1) {
1087                                 printf("\n** With bulk-lookup **\n");
1088                                 read_type |= BULK_LOOKUP;
1089                         }
1090                         for (n = 0; n < NUM_TEST; n++) {
1091                                 unsigned int tot_lcore  = rte_lcore_count();
1092                                 if (tot_lcore < (rwc_core_cnt[n] +
1093                                      rwc_core_cnt[m] + 1))
1094                                         goto finish;
1095
1096                                 printf("\nNumber of writers: %u",
1097                                        rwc_core_cnt[m]);
1098                                 printf("\nNumber of readers: %u\n",
1099                                        rwc_core_cnt[n]);
1100
1101                                 rte_atomic64_clear(&greads);
1102                                 rte_atomic64_clear(&gread_cycles);
1103
1104                                 rte_hash_reset(tbl_rwc_test_param.h);
1105                                 writer_done = 0;
1106                                 write_type = WRITE_NO_KEY_SHIFT;
1107                                 if (write_keys(write_type) < 0)
1108                                         goto err;
1109
1110                                 /* Launch reader(s) */
1111                                 for (i = 1; i <= rwc_core_cnt[n]; i++)
1112                                         rte_eal_remote_launch(test_rwc_reader,
1113                                                 (void *)(uintptr_t)read_type,
1114                                                 enabled_core_ids[i]);
1115                                 write_type = WRITE_KEY_SHIFT;
1116                                 pos_core = 0;
1117
1118                                 /* Launch writers */
1119                                 for (; i <= rwc_core_cnt[m]
1120                                      + rwc_core_cnt[n]; i++) {
1121                                         rte_eal_remote_launch
1122                                                 (test_rwc_multi_writer,
1123                                                 (void *)(uintptr_t)pos_core,
1124                                                 enabled_core_ids[i]);
1125                                         pos_core++;
1126                                 }
1127
1128                                 /* Wait for writers to complete */
1129                                 for (i = rwc_core_cnt[n] + 1;
1130                                      i <= rwc_core_cnt[m] + rwc_core_cnt[n];
1131                                      i++)
1132                                         rte_eal_wait_lcore(enabled_core_ids[i]);
1133
1134                                 writer_done = 1;
1135
1136                                 for (i = 1; i <= rwc_core_cnt[n]; i++)
1137                                         if (rte_eal_wait_lcore(enabled_core_ids[i]) < 0)
1138                                                 goto err;
1139
1140                                 unsigned long long cycles_per_lookup =
1141                                         rte_atomic64_read(&gread_cycles)
1142                                         / rte_atomic64_read(&greads);
1143                                 rwc_perf_results->multi_rw[m][k][n]
1144                                         = cycles_per_lookup;
1145                                 printf("Cycles per lookup: %llu\n",
1146                                        cycles_per_lookup);
1147                         }
1148                 }
1149         }
1150
1151 finish:
1152         rte_hash_free(tbl_rwc_test_param.h);
1153         return 0;
1154
1155 err:
1156         rte_eal_mp_wait_lcore();
1157         rte_hash_free(tbl_rwc_test_param.h);
1158         return -1;
1159 }
1160
1161 /*
1162  * Test lookup perf:
1163  * Reader(s) lookup keys present in the extendable bkt.
1164  */
1165 static int
1166 test_hash_add_ks_lookup_hit_extbkt(struct rwc_perf *rwc_perf_results,
1167                                 int rwc_lf, int htm, int ext_bkt)
1168 {
1169         unsigned int n, m;
1170         uint64_t i;
1171         int use_jhash = 0;
1172         uint8_t write_type;
1173         uint8_t read_type = READ_PASS_KEY_SHIFTS_EXTBKT;
1174
1175         rte_atomic64_init(&greads);
1176         rte_atomic64_init(&gread_cycles);
1177
1178         if (init_params(rwc_lf, use_jhash, htm, ext_bkt) != 0)
1179                 goto err;
1180         printf("\nTest: Hash add - key-shifts, read - hit (ext_bkt)\n");
1181         for (m = 0; m < 2; m++) {
1182                 if (m == 1) {
1183                         printf("\n** With bulk-lookup **\n");
1184                         read_type |= BULK_LOOKUP;
1185                 }
1186                 for (n = 0; n < NUM_TEST; n++) {
1187                         unsigned int tot_lcore = rte_lcore_count();
1188                         if (tot_lcore < rwc_core_cnt[n] + 1)
1189                                 goto finish;
1190
1191                         printf("\nNumber of readers: %u\n", rwc_core_cnt[n]);
1192
1193                         rte_atomic64_clear(&greads);
1194                         rte_atomic64_clear(&gread_cycles);
1195
1196                         rte_hash_reset(tbl_rwc_test_param.h);
1197                         write_type = WRITE_NO_KEY_SHIFT;
1198                         if (write_keys(write_type) < 0)
1199                                 goto err;
1200                         write_type = WRITE_KEY_SHIFT;
1201                         if (write_keys(write_type) < 0)
1202                                 goto err;
1203                         writer_done = 0;
1204                         for (i = 1; i <= rwc_core_cnt[n]; i++)
1205                                 rte_eal_remote_launch(test_rwc_reader,
1206                                                 (void *)(uintptr_t)read_type,
1207                                                         enabled_core_ids[i]);
1208                         for (i = 0; i < tbl_rwc_test_param.count_keys_ks_extbkt;
1209                              i++) {
1210                                 if (rte_hash_del_key(tbl_rwc_test_param.h,
1211                                         tbl_rwc_test_param.keys_ks_extbkt + i)
1212                                                         < 0) {
1213                                         printf("Delete Failed: %u\n",
1214                                         tbl_rwc_test_param.keys_ks_extbkt[i]);
1215                                         goto err;
1216                                 }
1217                         }
1218                         writer_done = 1;
1219
1220                         for (i = 1; i <= rwc_core_cnt[n]; i++)
1221                                 if (rte_eal_wait_lcore(enabled_core_ids[i]) < 0)
1222                                         goto err;
1223
1224                         unsigned long long cycles_per_lookup =
1225                                 rte_atomic64_read(&gread_cycles) /
1226                                 rte_atomic64_read(&greads);
1227                         rwc_perf_results->w_ks_r_hit_extbkt[m][n]
1228                                                 = cycles_per_lookup;
1229                         printf("Cycles per lookup: %llu\n", cycles_per_lookup);
1230                 }
1231         }
1232
1233 finish:
1234         rte_hash_free(tbl_rwc_test_param.h);
1235         return 0;
1236
1237 err:
1238         rte_eal_mp_wait_lcore();
1239         rte_hash_free(tbl_rwc_test_param.h);
1240         return -1;
1241 }
1242
1243 static int
1244 test_hash_readwrite_lf_perf_main(void)
1245 {
1246         /*
1247          * Variables used to choose different tests.
1248          * rwc_lf indicates if read-write concurrency lock-free support is
1249          * enabled.
1250          * htm indicates if Hardware transactional memory support is enabled.
1251          */
1252         int rwc_lf = 0;
1253         int htm;
1254         int ext_bkt = 0;
1255
1256         if (rte_lcore_count() < 2) {
1257                 printf("Not enough cores for hash_readwrite_lf_perf_autotest, expecting at least 2\n");
1258                 return TEST_SKIPPED;
1259         }
1260
1261         setlocale(LC_NUMERIC, "");
1262
1263         /* Reset tbl_rwc_test_param to discard values from previous run */
1264         memset(&tbl_rwc_test_param, 0, sizeof(tbl_rwc_test_param));
1265
1266         if (rte_tm_supported())
1267                 htm = 1;
1268         else
1269                 htm = 0;
1270
1271         if (generate_keys() != 0)
1272                 return -1;
1273         if (get_enabled_cores_list() != 0)
1274                 return -1;
1275
1276         if (RTE_HASH_EXTRA_FLAGS_RW_CONCURRENCY_LF) {
1277                 rwc_lf = 1;
1278                 ext_bkt = 1;
1279                 printf("Test lookup with read-write concurrency lock free support"
1280                        " enabled\n");
1281                 if (test_hash_add_no_ks_lookup_hit(&rwc_lf_results, rwc_lf,
1282                                                         htm, ext_bkt) < 0)
1283                         return -1;
1284                 if (test_hash_add_no_ks_lookup_miss(&rwc_lf_results, rwc_lf,
1285                                                         htm, ext_bkt) < 0)
1286                         return -1;
1287                 if (test_hash_add_ks_lookup_hit_non_sp(&rwc_lf_results, rwc_lf,
1288                                                         htm, ext_bkt) < 0)
1289                         return -1;
1290                 if (test_hash_add_ks_lookup_hit_sp(&rwc_lf_results, rwc_lf,
1291                                                         htm, ext_bkt) < 0)
1292                         return -1;
1293                 if (test_hash_add_ks_lookup_miss(&rwc_lf_results, rwc_lf, htm,
1294                                                  ext_bkt) < 0)
1295                         return -1;
1296                 if (test_hash_multi_add_lookup(&rwc_lf_results, rwc_lf, htm,
1297                                                ext_bkt) < 0)
1298                         return -1;
1299                 if (test_hash_add_ks_lookup_hit_extbkt(&rwc_lf_results, rwc_lf,
1300                                                         htm, ext_bkt) < 0)
1301                         return -1;
1302         }
1303         printf("\nTest lookup with read-write concurrency lock free support"
1304                " disabled\n");
1305         rwc_lf = 0;
1306         if (!htm) {
1307                 printf("With HTM Disabled\n");
1308                 if (!RUN_WITH_HTM_DISABLED) {
1309                         printf("Enable RUN_WITH_HTM_DISABLED to test with"
1310                                " lock-free disabled");
1311                         goto results;
1312                 }
1313         } else
1314                 printf("With HTM Enabled\n");
1315         if (test_hash_add_no_ks_lookup_hit(&rwc_non_lf_results, rwc_lf, htm,
1316                                            ext_bkt) < 0)
1317                 return -1;
1318         if (test_hash_add_no_ks_lookup_miss(&rwc_non_lf_results, rwc_lf, htm,
1319                                                 ext_bkt) < 0)
1320                 return -1;
1321         if (test_hash_add_ks_lookup_hit_non_sp(&rwc_non_lf_results, rwc_lf,
1322                                                 htm, ext_bkt) < 0)
1323                 return -1;
1324         if (test_hash_add_ks_lookup_hit_sp(&rwc_non_lf_results, rwc_lf, htm,
1325                                                 ext_bkt) < 0)
1326                 return -1;
1327         if (test_hash_add_ks_lookup_miss(&rwc_non_lf_results, rwc_lf, htm,
1328                                          ext_bkt) < 0)
1329                 return -1;
1330         if (test_hash_multi_add_lookup(&rwc_non_lf_results, rwc_lf, htm,
1331                                                         ext_bkt) < 0)
1332                 return -1;
1333         if (test_hash_add_ks_lookup_hit_extbkt(&rwc_non_lf_results, rwc_lf,
1334                                                 htm, ext_bkt) < 0)
1335                 return -1;
1336 results:
1337         printf("\n\t\t\t\t\t\t********** Results summary **********\n\n");
1338         int i, j, k;
1339         for (j = 0; j < 2; j++) {
1340                 if (j == 1)
1341                         printf("\n\t\t\t\t\t#######********** Bulk Lookup "
1342                                "**********#######\n\n");
1343                 printf("_______\t\t_______\t\t_________\t___\t\t_________\t\t"
1344                         "\t\t\t\t_________________\n");
1345                 printf("Writers\t\tReaders\t\tLock-free\tHTM\t\tTest-case\t\t\t"
1346                        "\t\t\tCycles per lookup\n");
1347                 printf("_______\t\t_______\t\t_________\t___\t\t_________\t\t\t"
1348                        "\t\t\t_________________\n");
1349                 for (i = 0; i < NUM_TEST; i++) {
1350                         printf("%u\t\t%u\t\t", 1, rwc_core_cnt[i]);
1351                         printf("Enabled\t\t");
1352                         printf("N/A\t\t");
1353                         printf("Hash add - no key-shifts, lookup - hit\t\t\t\t"
1354                                 "%u\n\t\t\t\t\t\t\t\t",
1355                                 rwc_lf_results.w_no_ks_r_hit[j][i]);
1356                         printf("Hash add - no key-shifts, lookup - miss\t\t\t\t"
1357                                 "%u\n\t\t\t\t\t\t\t\t",
1358                                 rwc_lf_results.w_no_ks_r_miss[j][i]);
1359                         printf("Hash add - key-shifts, lookup - hit"
1360                                "(non-shift-path)\t\t%u\n\t\t\t\t\t\t\t\t",
1361                                rwc_lf_results.w_ks_r_hit_nsp[j][i]);
1362                         printf("Hash add - key-shifts, lookup - hit "
1363                                "(shift-path)\t\t%u\n\t\t\t\t\t\t\t\t",
1364                                rwc_lf_results.w_ks_r_hit_sp[j][i]);
1365                         printf("Hash add - key-shifts, Hash lookup miss\t\t\t\t"
1366                                 "%u\n\t\t\t\t\t\t\t\t",
1367                                 rwc_lf_results.w_ks_r_miss[j][i]);
1368                         printf("Hash add - key-shifts, Hash lookup hit (ext_bkt)\t\t"
1369                                 "%u\n\n\t\t\t\t",
1370                                 rwc_lf_results.w_ks_r_hit_extbkt[j][i]);
1371
1372                         printf("Disabled\t");
1373                         if (htm)
1374                                 printf("Enabled\t\t");
1375                         else
1376                                 printf("Disabled\t");
1377                         printf("Hash add - no key-shifts, lookup - hit\t\t\t\t"
1378                                 "%u\n\t\t\t\t\t\t\t\t",
1379                                 rwc_non_lf_results.w_no_ks_r_hit[j][i]);
1380                         printf("Hash add - no key-shifts, lookup - miss\t\t\t\t"
1381                                 "%u\n\t\t\t\t\t\t\t\t",
1382                                 rwc_non_lf_results.w_no_ks_r_miss[j][i]);
1383                         printf("Hash add - key-shifts, lookup - hit "
1384                                "(non-shift-path)\t\t%u\n\t\t\t\t\t\t\t\t",
1385                                rwc_non_lf_results.w_ks_r_hit_nsp[j][i]);
1386                         printf("Hash add - key-shifts, lookup - hit "
1387                                "(shift-path)\t\t%u\n\t\t\t\t\t\t\t\t",
1388                                rwc_non_lf_results.w_ks_r_hit_sp[j][i]);
1389                         printf("Hash add - key-shifts, Hash lookup miss\t\t\t\t"
1390                                "%u\n\t\t\t\t\t\t\t\t",
1391                                rwc_non_lf_results.w_ks_r_miss[j][i]);
1392                         printf("Hash add - key-shifts, Hash lookup hit (ext_bkt)\t\t"
1393                                 "%u\n",
1394                                 rwc_non_lf_results.w_ks_r_hit_extbkt[j][i]);
1395
1396                         printf("_______\t\t_______\t\t_________\t___\t\t"
1397                                "_________\t\t\t\t\t\t_________________\n");
1398                 }
1399
1400                 for (i = 1; i < NUM_TEST; i++) {
1401                         for (k = 0; k < NUM_TEST; k++) {
1402                                 printf("%u", rwc_core_cnt[i]);
1403                                 printf("\t\t%u\t\t", rwc_core_cnt[k]);
1404                                 printf("Enabled\t\t");
1405                                 printf("N/A\t\t");
1406                                 printf("Multi-add-lookup\t\t\t\t\t\t%u\n\n\t\t"
1407                                        "\t\t",
1408                                        rwc_lf_results.multi_rw[i][j][k]);
1409                                 printf("Disabled\t");
1410                                 if (htm)
1411                                         printf("Enabled\t\t");
1412                                 else
1413                                         printf("Disabled\t");
1414                                 printf("Multi-add-lookup\t\t\t\t\t\t%u\n",
1415                                        rwc_non_lf_results.multi_rw[i][j][k]);
1416
1417                                 printf("_______\t\t_______\t\t_________\t___"
1418                                        "\t\t_________\t\t\t\t\t\t"
1419                                        "_________________\n");
1420                         }
1421                 }
1422         }
1423         rte_free(tbl_rwc_test_param.keys);
1424         rte_free(tbl_rwc_test_param.keys_no_ks);
1425         rte_free(tbl_rwc_test_param.keys_ks);
1426         rte_free(tbl_rwc_test_param.keys_absent);
1427         rte_free(tbl_rwc_test_param.keys_shift_path);
1428         rte_free(tbl_rwc_test_param.keys_non_shift_path);
1429         rte_free(tbl_rwc_test_param.keys_ext_bkt);
1430         rte_free(tbl_rwc_test_param.keys_ks_extbkt);
1431         return 0;
1432 }
1433
1434 REGISTER_TEST_COMMAND(hash_readwrite_lf_perf_autotest,
1435         test_hash_readwrite_lf_perf_main);