app/test-crypto-perf/cperf_test_latency.c

   1 /*-
   2  *   BSD LICENSE
   3  *
   4  *   Copyright(c) 2016-2017 Intel Corporation. All rights reserved.
   5  *
   6  *   Redistribution and use in source and binary forms, with or without
   7  *   modification, are permitted provided that the following conditions
   8  *   are met:
   9  *
  10  *     * Redistributions of source code must retain the above copyright
  11  *       notice, this list of conditions and the following disclaimer.
  12  *     * Redistributions in binary form must reproduce the above copyright
  13  *       notice, this list of conditions and the following disclaimer in
  14  *       the documentation and/or other materials provided with the
  15  *       distribution.
  16  *     * Neither the name of Intel Corporation nor the names of its
  17  *       contributors may be used to endorse or promote products derived
  18  *       from this software without specific prior written permission.
  19  *
  20  *   THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
  21  *   "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
  22  *   LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
  23  *   A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
  24  *   OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
  25  *   SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
  26  *   LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
  27  *   DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
  28  *   THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  29  *   (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
  30  *   OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  31  */
  32
  33 #include <rte_malloc.h>
  34 #include <rte_cycles.h>
  35 #include <rte_crypto.h>
  36 #include <rte_cryptodev.h>
  37
  38 #include "cperf_test_latency.h"
  39 #include "cperf_ops.h"
  40
  41
  42 struct cperf_op_result {
  43         uint64_t tsc_start;
  44         uint64_t tsc_end;
  45         enum rte_crypto_op_status status;
  46 };
  47
  48 struct cperf_latency_ctx {
  49         uint8_t dev_id;
  50         uint16_t qp_id;
  51         uint8_t lcore_id;
  52
  53         struct rte_mempool *pkt_mbuf_pool_in;
  54         struct rte_mempool *pkt_mbuf_pool_out;
  55         struct rte_mbuf **mbufs_in;
  56         struct rte_mbuf **mbufs_out;
  57
  58         struct rte_mempool *crypto_op_pool;
  59
  60         struct rte_cryptodev_sym_session *sess;
  61
  62         cperf_populate_ops_t populate_ops;
  63
  64         const struct cperf_options *options;
  65         const struct cperf_test_vector *test_vector;
  66         struct cperf_op_result *res;
  67 };
  68
  69 struct priv_op_data {
  70         struct cperf_op_result *result;
  71 };
  72
  73 #define max(a, b) (a > b ? (uint64_t)a : (uint64_t)b)
  74 #define min(a, b) (a < b ? (uint64_t)a : (uint64_t)b)
  75
  76 static void
  77 cperf_latency_test_free(struct cperf_latency_ctx *ctx, uint32_t mbuf_nb)
  78 {
  79         uint32_t i;
  80
  81         if (ctx) {
  82                 if (ctx->sess) {
  83                         rte_cryptodev_sym_session_clear(ctx->dev_id, ctx->sess);
  84                         rte_cryptodev_sym_session_free(ctx->sess);
  85                 }
  86
  87                 if (ctx->mbufs_in) {
  88                         for (i = 0; i < mbuf_nb; i++)
  89                                 rte_pktmbuf_free(ctx->mbufs_in[i]);
  90
  91                         rte_free(ctx->mbufs_in);
  92                 }
  93
  94                 if (ctx->mbufs_out) {
  95                         for (i = 0; i < mbuf_nb; i++) {
  96                                 if (ctx->mbufs_out[i] != NULL)
  97                                         rte_pktmbuf_free(ctx->mbufs_out[i]);
  98                         }
  99
 100                         rte_free(ctx->mbufs_out);
 101                 }
 102
 103                 if (ctx->pkt_mbuf_pool_in)
 104                         rte_mempool_free(ctx->pkt_mbuf_pool_in);
 105
 106                 if (ctx->pkt_mbuf_pool_out)
 107                         rte_mempool_free(ctx->pkt_mbuf_pool_out);
 108
 109                 if (ctx->crypto_op_pool)
 110                         rte_mempool_free(ctx->crypto_op_pool);
 111
 112                 rte_free(ctx->res);
 113                 rte_free(ctx);
 114         }
 115 }
 116
 117 static struct rte_mbuf *
 118 cperf_mbuf_create(struct rte_mempool *mempool,
 119                 uint32_t segments_nb,
 120                 const struct cperf_options *options,
 121                 const struct cperf_test_vector *test_vector)
 122 {
 123         struct rte_mbuf *mbuf;
 124         uint32_t segment_sz = options->max_buffer_size / segments_nb;
 125         uint32_t last_sz = options->max_buffer_size % segments_nb;
 126         uint8_t *mbuf_data;
 127         uint8_t *test_data =
 128                         (options->cipher_op == RTE_CRYPTO_CIPHER_OP_ENCRYPT) ?
 129                                         test_vector->plaintext.data :
 130                                         test_vector->ciphertext.data;
 131
 132         mbuf = rte_pktmbuf_alloc(mempool);
 133         if (mbuf == NULL)
 134                 goto error;
 135
 136         mbuf_data = (uint8_t *)rte_pktmbuf_append(mbuf, segment_sz);
 137         if (mbuf_data == NULL)
 138                 goto error;
 139
 140         memcpy(mbuf_data, test_data, segment_sz);
 141         test_data += segment_sz;
 142         segments_nb--;
 143
 144         while (segments_nb) {
 145                 struct rte_mbuf *m;
 146
 147                 m = rte_pktmbuf_alloc(mempool);
 148                 if (m == NULL)
 149                         goto error;
 150
 151                 rte_pktmbuf_chain(mbuf, m);
 152
 153                 mbuf_data = (uint8_t *)rte_pktmbuf_append(mbuf, segment_sz);
 154                 if (mbuf_data == NULL)
 155                         goto error;
 156
 157                 memcpy(mbuf_data, test_data, segment_sz);
 158                 test_data += segment_sz;
 159                 segments_nb--;
 160         }
 161
 162         if (last_sz) {
 163                 mbuf_data = (uint8_t *)rte_pktmbuf_append(mbuf, last_sz);
 164                 if (mbuf_data == NULL)
 165                         goto error;
 166
 167                 memcpy(mbuf_data, test_data, last_sz);
 168         }
 169
 170         if (options->op_type != CPERF_CIPHER_ONLY) {
 171                 mbuf_data = (uint8_t *)rte_pktmbuf_append(mbuf,
 172                         options->digest_sz);
 173                 if (mbuf_data == NULL)
 174                         goto error;
 175         }
 176
 177         if (options->op_type == CPERF_AEAD) {
 178                 uint8_t *aead = (uint8_t *)rte_pktmbuf_prepend(mbuf,
 179                         RTE_ALIGN_CEIL(options->aead_aad_sz, 16));
 180
 181                 if (aead == NULL)
 182                         goto error;
 183
 184                 memcpy(aead, test_vector->aad.data, test_vector->aad.length);
 185         }
 186
 187         return mbuf;
 188 error:
 189         if (mbuf != NULL)
 190                 rte_pktmbuf_free(mbuf);
 191
 192         return NULL;
 193 }
 194
 195 void *
 196 cperf_latency_test_constructor(struct rte_mempool *sess_mp,
 197                 uint8_t dev_id, uint16_t qp_id,
 198                 const struct cperf_options *options,
 199                 const struct cperf_test_vector *test_vector,
 200                 const struct cperf_op_fns *op_fns)
 201 {
 202         struct cperf_latency_ctx *ctx = NULL;
 203         unsigned int mbuf_idx = 0;
 204         char pool_name[32] = "";
 205
 206         ctx = rte_malloc(NULL, sizeof(struct cperf_latency_ctx), 0);
 207         if (ctx == NULL)
 208                 goto err;
 209
 210         ctx->dev_id = dev_id;
 211         ctx->qp_id = qp_id;
 212
 213         ctx->populate_ops = op_fns->populate_ops;
 214         ctx->options = options;
 215         ctx->test_vector = test_vector;
 216
 217         /* IV goes at the end of the crypto operation */
 218         uint16_t iv_offset = sizeof(struct rte_crypto_op) +
 219                 sizeof(struct rte_crypto_sym_op) +
 220                 sizeof(struct cperf_op_result *);
 221
 222         ctx->sess = op_fns->sess_create(sess_mp, dev_id, options, test_vector,
 223                         iv_offset);
 224         if (ctx->sess == NULL)
 225                 goto err;
 226
 227         snprintf(pool_name, sizeof(pool_name), "cperf_pool_in_cdev_%d",
 228                                 dev_id);
 229
 230         ctx->pkt_mbuf_pool_in = rte_pktmbuf_pool_create(pool_name,
 231                         options->pool_sz * options->segments_nb, 0, 0,
 232                         RTE_PKTMBUF_HEADROOM +
 233                         RTE_CACHE_LINE_ROUNDUP(
 234                                 (options->max_buffer_size / options->segments_nb) +
 235                                 (options->max_buffer_size % options->segments_nb) +
 236                                         options->digest_sz),
 237                         rte_socket_id());
 238
 239         if (ctx->pkt_mbuf_pool_in == NULL)
 240                 goto err;
 241
 242         /* Generate mbufs_in with plaintext populated for test */
 243         ctx->mbufs_in = rte_malloc(NULL,
 244                         (sizeof(struct rte_mbuf *) *
 245                         ctx->options->pool_sz), 0);
 246
 247         for (mbuf_idx = 0; mbuf_idx < options->pool_sz; mbuf_idx++) {
 248                 ctx->mbufs_in[mbuf_idx] = cperf_mbuf_create(
 249                                 ctx->pkt_mbuf_pool_in, options->segments_nb,
 250                                 options, test_vector);
 251                 if (ctx->mbufs_in[mbuf_idx] == NULL)
 252                         goto err;
 253         }
 254
 255         if (options->out_of_place == 1) {
 256
 257                 snprintf(pool_name, sizeof(pool_name),
 258                                 "cperf_pool_out_cdev_%d",
 259                                 dev_id);
 260
 261                 ctx->pkt_mbuf_pool_out = rte_pktmbuf_pool_create(
 262                                 pool_name, options->pool_sz, 0, 0,
 263                                 RTE_PKTMBUF_HEADROOM +
 264                                 RTE_CACHE_LINE_ROUNDUP(
 265                                         options->max_buffer_size +
 266                                         options->digest_sz),
 267                                 rte_socket_id());
 268
 269                 if (ctx->pkt_mbuf_pool_out == NULL)
 270                         goto err;
 271         }
 272
 273         ctx->mbufs_out = rte_malloc(NULL,
 274                         (sizeof(struct rte_mbuf *) *
 275                         ctx->options->pool_sz), 0);
 276
 277         for (mbuf_idx = 0; mbuf_idx < options->pool_sz; mbuf_idx++) {
 278                 if (options->out_of_place == 1) {
 279                         ctx->mbufs_out[mbuf_idx] = cperf_mbuf_create(
 280                                         ctx->pkt_mbuf_pool_out, 1,
 281                                         options, test_vector);
 282                         if (ctx->mbufs_out[mbuf_idx] == NULL)
 283                                 goto err;
 284                 } else {
 285                         ctx->mbufs_out[mbuf_idx] = NULL;
 286                 }
 287         }
 288
 289         snprintf(pool_name, sizeof(pool_name), "cperf_op_pool_cdev_%d",
 290                         dev_id);
 291
 292         uint16_t priv_size = sizeof(struct priv_op_data) +
 293                         test_vector->cipher_iv.length +
 294                         test_vector->auth_iv.length;
 295         ctx->crypto_op_pool = rte_crypto_op_pool_create(pool_name,
 296                         RTE_CRYPTO_OP_TYPE_SYMMETRIC, options->pool_sz,
 297                         512, priv_size, rte_socket_id());
 298
 299         if (ctx->crypto_op_pool == NULL)
 300                 goto err;
 301
 302         ctx->res = rte_malloc(NULL, sizeof(struct cperf_op_result) *
 303                         ctx->options->total_ops, 0);
 304
 305         if (ctx->res == NULL)
 306                 goto err;
 307
 308         return ctx;
 309 err:
 310         cperf_latency_test_free(ctx, mbuf_idx);
 311
 312         return NULL;
 313 }
 314
 315 static inline void
 316 store_timestamp(struct rte_crypto_op *op, uint64_t timestamp)
 317 {
 318         struct priv_op_data *priv_data;
 319
 320         priv_data = (struct priv_op_data *) (op->sym + 1);
 321         priv_data->result->status = op->status;
 322         priv_data->result->tsc_end = timestamp;
 323 }
 324
 325 int
 326 cperf_latency_test_runner(void *arg)
 327 {
 328         struct cperf_latency_ctx *ctx = arg;
 329         uint16_t test_burst_size;
 330         uint8_t burst_size_idx = 0;
 331
 332         static int only_once;
 333
 334         if (ctx == NULL)
 335                 return 0;
 336
 337         struct rte_crypto_op *ops[ctx->options->max_burst_size];
 338         struct rte_crypto_op *ops_processed[ctx->options->max_burst_size];
 339         uint64_t i;
 340         struct priv_op_data *priv_data;
 341
 342         uint32_t lcore = rte_lcore_id();
 343
 344 #ifdef CPERF_LINEARIZATION_ENABLE
 345         struct rte_cryptodev_info dev_info;
 346         int linearize = 0;
 347
 348         /* Check if source mbufs require coalescing */
 349         if (ctx->options->segments_nb > 1) {
 350                 rte_cryptodev_info_get(ctx->dev_id, &dev_info);
 351                 if ((dev_info.feature_flags &
 352                                 RTE_CRYPTODEV_FF_MBUF_SCATTER_GATHER) == 0)
 353                         linearize = 1;
 354         }
 355 #endif /* CPERF_LINEARIZATION_ENABLE */
 356
 357         ctx->lcore_id = lcore;
 358
 359         /* Warm up the host CPU before starting the test */
 360         for (i = 0; i < ctx->options->total_ops; i++)
 361                 rte_cryptodev_enqueue_burst(ctx->dev_id, ctx->qp_id, NULL, 0);
 362
 363         /* Get first size from range or list */
 364         if (ctx->options->inc_burst_size != 0)
 365                 test_burst_size = ctx->options->min_burst_size;
 366         else
 367                 test_burst_size = ctx->options->burst_size_list[0];
 368
 369         uint16_t iv_offset = sizeof(struct rte_crypto_op) +
 370                 sizeof(struct rte_crypto_sym_op) +
 371                 sizeof(struct cperf_op_result *);
 372
 373         while (test_burst_size <= ctx->options->max_burst_size) {
 374                 uint64_t ops_enqd = 0, ops_deqd = 0;
 375                 uint64_t m_idx = 0, b_idx = 0;
 376
 377                 uint64_t tsc_val, tsc_end, tsc_start;
 378                 uint64_t tsc_max = 0, tsc_min = ~0UL, tsc_tot = 0, tsc_idx = 0;
 379                 uint64_t enqd_max = 0, enqd_min = ~0UL, enqd_tot = 0;
 380                 uint64_t deqd_max = 0, deqd_min = ~0UL, deqd_tot = 0;
 381
 382                 while (enqd_tot < ctx->options->total_ops) {
 383
 384                         uint16_t burst_size = ((enqd_tot + test_burst_size)
 385                                         <= ctx->options->total_ops) ?
 386                                                         test_burst_size :
 387                                                         ctx->options->total_ops -
 388                                                         enqd_tot;
 389
 390                         /* Allocate crypto ops from pool */
 391                         if (burst_size != rte_crypto_op_bulk_alloc(
 392                                         ctx->crypto_op_pool,
 393                                         RTE_CRYPTO_OP_TYPE_SYMMETRIC,
 394                                         ops, burst_size)) {
 395                                 RTE_LOG(ERR, USER1,
 396                                         "Failed to allocate more crypto operations "
 397                                         "from the the crypto operation pool.\n"
 398                                         "Consider increasing the pool size "
 399                                         "with --pool-sz\n");
 400                                 return -1;
 401                         }
 402
 403                         /* Setup crypto op, attach mbuf etc */
 404                         (ctx->populate_ops)(ops, &ctx->mbufs_in[m_idx],
 405                                         &ctx->mbufs_out[m_idx],
 406                                         burst_size, ctx->sess, ctx->options,
 407                                         ctx->test_vector, iv_offset);
 408
 409                         tsc_start = rte_rdtsc_precise();
 410
 411 #ifdef CPERF_LINEARIZATION_ENABLE
 412                         if (linearize) {
 413                                 /* PMD doesn't support scatter-gather and source buffer
 414                                  * is segmented.
 415                                  * We need to linearize it before enqueuing.
 416                                  */
 417                                 for (i = 0; i < burst_size; i++)
 418                                         rte_pktmbuf_linearize(ops[i]->sym->m_src);
 419                         }
 420 #endif /* CPERF_LINEARIZATION_ENABLE */
 421
 422                         /* Enqueue burst of ops on crypto device */
 423                         ops_enqd = rte_cryptodev_enqueue_burst(ctx->dev_id, ctx->qp_id,
 424                                         ops, burst_size);
 425
 426                         /* Dequeue processed burst of ops from crypto device */
 427                         ops_deqd = rte_cryptodev_dequeue_burst(ctx->dev_id, ctx->qp_id,
 428                                         ops_processed, test_burst_size);
 429
 430                         tsc_end = rte_rdtsc_precise();
 431
 432                         /* Free memory for not enqueued operations */
 433                         if (ops_enqd != burst_size)
 434                                 rte_mempool_put_bulk(ctx->crypto_op_pool,
 435                                                 (void **)&ops_processed[ops_enqd],
 436                                                 burst_size - ops_enqd);
 437
 438                         for (i = 0; i < ops_enqd; i++) {
 439                                 ctx->res[tsc_idx].tsc_start = tsc_start;
 440                                 /*
 441                                  * Private data structure starts after the end of the
 442                                  * rte_crypto_sym_op structure.
 443                                  */
 444                                 priv_data = (struct priv_op_data *) (ops[i]->sym + 1);
 445                                 priv_data->result = (void *)&ctx->res[tsc_idx];
 446                                 tsc_idx++;
 447                         }
 448
 449                         if (likely(ops_deqd))  {
 450                                 /*
 451                                  * free crypto ops so they can be reused. We don't free
 452                                  * the mbufs here as we don't want to reuse them as
 453                                  * the crypto operation will change the data and cause
 454                                  * failures.
 455                                  */
 456                                 for (i = 0; i < ops_deqd; i++)
 457                                         store_timestamp(ops_processed[i], tsc_end);
 458
 459                                 rte_mempool_put_bulk(ctx->crypto_op_pool,
 460                                                 (void **)ops_processed, ops_deqd);
 461
 462                                 deqd_tot += ops_deqd;
 463                                 deqd_max = max(ops_deqd, deqd_max);
 464                                 deqd_min = min(ops_deqd, deqd_min);
 465                         }
 466
 467                         enqd_tot += ops_enqd;
 468                         enqd_max = max(ops_enqd, enqd_max);
 469                         enqd_min = min(ops_enqd, enqd_min);
 470
 471                         m_idx += ops_enqd;
 472                         m_idx = m_idx + test_burst_size > ctx->options->pool_sz ?
 473                                         0 : m_idx;
 474                         b_idx++;
 475                 }
 476
 477                 /* Dequeue any operations still in the crypto device */
 478                 while (deqd_tot < ctx->options->total_ops) {
 479                         /* Sending 0 length burst to flush sw crypto device */
 480                         rte_cryptodev_enqueue_burst(ctx->dev_id, ctx->qp_id, NULL, 0);
 481
 482                         /* dequeue burst */
 483                         ops_deqd = rte_cryptodev_dequeue_burst(ctx->dev_id, ctx->qp_id,
 484                                         ops_processed, test_burst_size);
 485
 486                         tsc_end = rte_rdtsc_precise();
 487
 488                         if (ops_deqd != 0) {
 489                                 for (i = 0; i < ops_deqd; i++)
 490                                         store_timestamp(ops_processed[i], tsc_end);
 491
 492                                 rte_mempool_put_bulk(ctx->crypto_op_pool,
 493                                                 (void **)ops_processed, ops_deqd);
 494
 495                                 deqd_tot += ops_deqd;
 496                                 deqd_max = max(ops_deqd, deqd_max);
 497                                 deqd_min = min(ops_deqd, deqd_min);
 498                         }
 499                 }
 500
 501                 for (i = 0; i < tsc_idx; i++) {
 502                         tsc_val = ctx->res[i].tsc_end - ctx->res[i].tsc_start;
 503                         tsc_max = max(tsc_val, tsc_max);
 504                         tsc_min = min(tsc_val, tsc_min);
 505                         tsc_tot += tsc_val;
 506                 }
 507
 508                 double time_tot, time_avg, time_max, time_min;
 509
 510                 const uint64_t tunit = 1000000; /* us */
 511                 const uint64_t tsc_hz = rte_get_tsc_hz();
 512
 513                 uint64_t enqd_avg = enqd_tot / b_idx;
 514                 uint64_t deqd_avg = deqd_tot / b_idx;
 515                 uint64_t tsc_avg = tsc_tot / tsc_idx;
 516
 517                 time_tot = tunit*(double)(tsc_tot) / tsc_hz;
 518                 time_avg = tunit*(double)(tsc_avg) / tsc_hz;
 519                 time_max = tunit*(double)(tsc_max) / tsc_hz;
 520                 time_min = tunit*(double)(tsc_min) / tsc_hz;
 521
 522                 if (ctx->options->csv) {
 523                         if (!only_once)
 524                                 printf("\n# lcore, Buffer Size, Burst Size, Pakt Seq #, "
 525                                                 "Packet Size, cycles, time (us)");
 526
 527                         for (i = 0; i < ctx->options->total_ops; i++) {
 528
 529                                 printf("\n%u;%u;%u;%"PRIu64";%"PRIu64";%.3f",
 530                                         ctx->lcore_id, ctx->options->test_buffer_size,
 531                                         test_burst_size, i + 1,
 532                                         ctx->res[i].tsc_end - ctx->res[i].tsc_start,
 533                                         tunit * (double) (ctx->res[i].tsc_end
 534                                                         - ctx->res[i].tsc_start)
 535                                                 / tsc_hz);
 536
 537                         }
 538                         only_once = 1;
 539                 } else {
 540                         printf("\n# Device %d on lcore %u\n", ctx->dev_id,
 541                                 ctx->lcore_id);
 542                         printf("\n# total operations: %u", ctx->options->total_ops);
 543                         printf("\n# Buffer size: %u", ctx->options->test_buffer_size);
 544                         printf("\n# Burst size: %u", test_burst_size);
 545                         printf("\n#     Number of bursts: %"PRIu64,
 546                                         b_idx);
 547
 548                         printf("\n#");
 549                         printf("\n#          \t       Total\t   Average\t   "
 550                                         "Maximum\t   Minimum");
 551                         printf("\n#  enqueued\t%12"PRIu64"\t%10"PRIu64"\t"
 552                                         "%10"PRIu64"\t%10"PRIu64, enqd_tot,
 553                                         enqd_avg, enqd_max, enqd_min);
 554                         printf("\n#  dequeued\t%12"PRIu64"\t%10"PRIu64"\t"
 555                                         "%10"PRIu64"\t%10"PRIu64, deqd_tot,
 556                                         deqd_avg, deqd_max, deqd_min);
 557                         printf("\n#    cycles\t%12"PRIu64"\t%10"PRIu64"\t"
 558                                         "%10"PRIu64"\t%10"PRIu64, tsc_tot,
 559                                         tsc_avg, tsc_max, tsc_min);
 560                         printf("\n# time [us]\t%12.0f\t%10.3f\t%10.3f\t%10.3f",
 561                                         time_tot, time_avg, time_max, time_min);
 562                         printf("\n\n");
 563
 564                 }
 565
 566                 /* Get next size from range or list */
 567                 if (ctx->options->inc_burst_size != 0)
 568                         test_burst_size += ctx->options->inc_burst_size;
 569                 else {
 570                         if (++burst_size_idx == ctx->options->burst_size_count)
 571                                 break;
 572                         test_burst_size =
 573                                 ctx->options->burst_size_list[burst_size_idx];
 574                 }
 575         }
 576
 577         return 0;
 578 }
 579
 580 void
 581 cperf_latency_test_destructor(void *arg)
 582 {
 583         struct cperf_latency_ctx *ctx = arg;
 584
 585         if (ctx == NULL)
 586                 return;
 587
 588         rte_cryptodev_stop(ctx->dev_id);
 589
 590         cperf_latency_test_free(ctx, ctx->options->pool_sz);
 591 }