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 #define max(a, b) (a > b ? (uint64_t)a : (uint64_t)b)
  70 #define min(a, b) (a < b ? (uint64_t)a : (uint64_t)b)
  71
  72 static void
  73 cperf_latency_test_free(struct cperf_latency_ctx *ctx, uint32_t mbuf_nb)
  74 {
  75         uint32_t i;
  76
  77         if (ctx) {
  78                 if (ctx->sess)
  79                         rte_cryptodev_sym_session_free(ctx->dev_id, ctx->sess);
  80
  81                 if (ctx->mbufs_in) {
  82                         for (i = 0; i < mbuf_nb; i++)
  83                                 rte_pktmbuf_free(ctx->mbufs_in[i]);
  84
  85                         rte_free(ctx->mbufs_in);
  86                 }
  87
  88                 if (ctx->mbufs_out) {
  89                         for (i = 0; i < mbuf_nb; i++) {
  90                                 if (ctx->mbufs_out[i] != NULL)
  91                                         rte_pktmbuf_free(ctx->mbufs_out[i]);
  92                         }
  93
  94                         rte_free(ctx->mbufs_out);
  95                 }
  96
  97                 if (ctx->pkt_mbuf_pool_in)
  98                         rte_mempool_free(ctx->pkt_mbuf_pool_in);
  99
 100                 if (ctx->pkt_mbuf_pool_out)
 101                         rte_mempool_free(ctx->pkt_mbuf_pool_out);
 102
 103                 if (ctx->crypto_op_pool)
 104                         rte_mempool_free(ctx->crypto_op_pool);
 105
 106                 rte_free(ctx->res);
 107                 rte_free(ctx);
 108         }
 109 }
 110
 111 static struct rte_mbuf *
 112 cperf_mbuf_create(struct rte_mempool *mempool,
 113                 uint32_t segments_nb,
 114                 const struct cperf_options *options,
 115                 const struct cperf_test_vector *test_vector)
 116 {
 117         struct rte_mbuf *mbuf;
 118         uint32_t segment_sz = options->max_buffer_size / segments_nb;
 119         uint32_t last_sz = options->max_buffer_size % segments_nb;
 120         uint8_t *mbuf_data;
 121         uint8_t *test_data =
 122                         (options->cipher_op == RTE_CRYPTO_CIPHER_OP_ENCRYPT) ?
 123                                         test_vector->plaintext.data :
 124                                         test_vector->ciphertext.data;
 125
 126         mbuf = rte_pktmbuf_alloc(mempool);
 127         if (mbuf == NULL)
 128                 goto error;
 129
 130         mbuf_data = (uint8_t *)rte_pktmbuf_append(mbuf, segment_sz);
 131         if (mbuf_data == NULL)
 132                 goto error;
 133
 134         memcpy(mbuf_data, test_data, segment_sz);
 135         test_data += segment_sz;
 136         segments_nb--;
 137
 138         while (segments_nb) {
 139                 struct rte_mbuf *m;
 140
 141                 m = rte_pktmbuf_alloc(mempool);
 142                 if (m == NULL)
 143                         goto error;
 144
 145                 rte_pktmbuf_chain(mbuf, m);
 146
 147                 mbuf_data = (uint8_t *)rte_pktmbuf_append(mbuf, segment_sz);
 148                 if (mbuf_data == NULL)
 149                         goto error;
 150
 151                 memcpy(mbuf_data, test_data, segment_sz);
 152                 test_data += segment_sz;
 153                 segments_nb--;
 154         }
 155
 156         if (last_sz) {
 157                 mbuf_data = (uint8_t *)rte_pktmbuf_append(mbuf, last_sz);
 158                 if (mbuf_data == NULL)
 159                         goto error;
 160
 161                 memcpy(mbuf_data, test_data, last_sz);
 162         }
 163
 164         if (options->op_type != CPERF_CIPHER_ONLY) {
 165                 mbuf_data = (uint8_t *)rte_pktmbuf_append(mbuf,
 166                         options->auth_digest_sz);
 167                 if (mbuf_data == NULL)
 168                         goto error;
 169         }
 170
 171         if (options->op_type == CPERF_AEAD) {
 172                 uint8_t *aead = (uint8_t *)rte_pktmbuf_prepend(mbuf,
 173                         RTE_ALIGN_CEIL(options->auth_aad_sz, 16));
 174
 175                 if (aead == NULL)
 176                         goto error;
 177
 178                 memcpy(aead, test_vector->aad.data, test_vector->aad.length);
 179         }
 180
 181         return mbuf;
 182 error:
 183         if (mbuf != NULL)
 184                 rte_pktmbuf_free(mbuf);
 185
 186         return NULL;
 187 }
 188
 189 void *
 190 cperf_latency_test_constructor(uint8_t dev_id, uint16_t qp_id,
 191                 const struct cperf_options *options,
 192                 const struct cperf_test_vector *test_vector,
 193                 const struct cperf_op_fns *op_fns)
 194 {
 195         struct cperf_latency_ctx *ctx = NULL;
 196         unsigned int mbuf_idx = 0;
 197         char pool_name[32] = "";
 198
 199         ctx = rte_malloc(NULL, sizeof(struct cperf_latency_ctx), 0);
 200         if (ctx == NULL)
 201                 goto err;
 202
 203         ctx->dev_id = dev_id;
 204         ctx->qp_id = qp_id;
 205
 206         ctx->populate_ops = op_fns->populate_ops;
 207         ctx->options = options;
 208         ctx->test_vector = test_vector;
 209
 210         ctx->sess = op_fns->sess_create(dev_id, options, test_vector);
 211         if (ctx->sess == NULL)
 212                 goto err;
 213
 214         snprintf(pool_name, sizeof(pool_name), "cperf_pool_in_cdev_%d",
 215                                 dev_id);
 216
 217         ctx->pkt_mbuf_pool_in = rte_pktmbuf_pool_create(pool_name,
 218                         options->pool_sz * options->segments_nb, 0, 0,
 219                         RTE_PKTMBUF_HEADROOM +
 220                         RTE_CACHE_LINE_ROUNDUP(
 221                                 (options->max_buffer_size / options->segments_nb) +
 222                                 (options->max_buffer_size % options->segments_nb) +
 223                                         options->auth_digest_sz),
 224                         rte_socket_id());
 225
 226         if (ctx->pkt_mbuf_pool_in == NULL)
 227                 goto err;
 228
 229         /* Generate mbufs_in with plaintext populated for test */
 230         ctx->mbufs_in = rte_malloc(NULL,
 231                         (sizeof(struct rte_mbuf *) *
 232                         ctx->options->pool_sz), 0);
 233
 234         for (mbuf_idx = 0; mbuf_idx < options->pool_sz; mbuf_idx++) {
 235                 ctx->mbufs_in[mbuf_idx] = cperf_mbuf_create(
 236                                 ctx->pkt_mbuf_pool_in, options->segments_nb,
 237                                 options, test_vector);
 238                 if (ctx->mbufs_in[mbuf_idx] == NULL)
 239                         goto err;
 240         }
 241
 242         if (options->out_of_place == 1) {
 243
 244                 snprintf(pool_name, sizeof(pool_name),
 245                                 "cperf_pool_out_cdev_%d",
 246                                 dev_id);
 247
 248                 ctx->pkt_mbuf_pool_out = rte_pktmbuf_pool_create(
 249                                 pool_name, options->pool_sz, 0, 0,
 250                                 RTE_PKTMBUF_HEADROOM +
 251                                 RTE_CACHE_LINE_ROUNDUP(
 252                                         options->max_buffer_size +
 253                                         options->auth_digest_sz),
 254                                 rte_socket_id());
 255
 256                 if (ctx->pkt_mbuf_pool_out == NULL)
 257                         goto err;
 258         }
 259
 260         ctx->mbufs_out = rte_malloc(NULL,
 261                         (sizeof(struct rte_mbuf *) *
 262                         ctx->options->pool_sz), 0);
 263
 264         for (mbuf_idx = 0; mbuf_idx < options->pool_sz; mbuf_idx++) {
 265                 if (options->out_of_place == 1) {
 266                         ctx->mbufs_out[mbuf_idx] = cperf_mbuf_create(
 267                                         ctx->pkt_mbuf_pool_out, 1,
 268                                         options, test_vector);
 269                         if (ctx->mbufs_out[mbuf_idx] == NULL)
 270                                 goto err;
 271                 } else {
 272                         ctx->mbufs_out[mbuf_idx] = NULL;
 273                 }
 274         }
 275
 276         snprintf(pool_name, sizeof(pool_name), "cperf_op_pool_cdev_%d",
 277                         dev_id);
 278
 279         ctx->crypto_op_pool = rte_crypto_op_pool_create(pool_name,
 280                         RTE_CRYPTO_OP_TYPE_SYMMETRIC, options->pool_sz, 0, 0,
 281                         rte_socket_id());
 282         if (ctx->crypto_op_pool == NULL)
 283                 goto err;
 284
 285         ctx->res = rte_malloc(NULL, sizeof(struct cperf_op_result) *
 286                         ctx->options->total_ops, 0);
 287
 288         if (ctx->res == NULL)
 289                 goto err;
 290
 291         return ctx;
 292 err:
 293         cperf_latency_test_free(ctx, mbuf_idx);
 294
 295         return NULL;
 296 }
 297
 298 int
 299 cperf_latency_test_runner(void *arg)
 300 {
 301         struct cperf_latency_ctx *ctx = arg;
 302         struct cperf_op_result *pres;
 303         uint16_t test_burst_size;
 304         uint8_t burst_size_idx = 0;
 305
 306         static int only_once;
 307
 308         if (ctx == NULL)
 309                 return 0;
 310
 311         struct rte_crypto_op *ops[ctx->options->max_burst_size];
 312         struct rte_crypto_op *ops_processed[ctx->options->max_burst_size];
 313         uint64_t i;
 314
 315         uint32_t lcore = rte_lcore_id();
 316
 317 #ifdef CPERF_LINEARIZATION_ENABLE
 318         struct rte_cryptodev_info dev_info;
 319         int linearize = 0;
 320
 321         /* Check if source mbufs require coalescing */
 322         if (ctx->options->segments_nb > 1) {
 323                 rte_cryptodev_info_get(ctx->dev_id, &dev_info);
 324                 if ((dev_info.feature_flags &
 325                                 RTE_CRYPTODEV_FF_MBUF_SCATTER_GATHER) == 0)
 326                         linearize = 1;
 327         }
 328 #endif /* CPERF_LINEARIZATION_ENABLE */
 329
 330         ctx->lcore_id = lcore;
 331
 332         /* Warm up the host CPU before starting the test */
 333         for (i = 0; i < ctx->options->total_ops; i++)
 334                 rte_cryptodev_enqueue_burst(ctx->dev_id, ctx->qp_id, NULL, 0);
 335
 336         /* Get first size from range or list */
 337         if (ctx->options->inc_burst_size != 0)
 338                 test_burst_size = ctx->options->min_burst_size;
 339         else
 340                 test_burst_size = ctx->options->burst_size_list[0];
 341
 342         while (test_burst_size <= ctx->options->max_burst_size) {
 343                 uint64_t ops_enqd = 0, ops_deqd = 0;
 344                 uint64_t m_idx = 0, b_idx = 0;
 345
 346                 uint64_t tsc_val, tsc_end, tsc_start;
 347                 uint64_t tsc_max = 0, tsc_min = ~0UL, tsc_tot = 0, tsc_idx = 0;
 348                 uint64_t enqd_max = 0, enqd_min = ~0UL, enqd_tot = 0;
 349                 uint64_t deqd_max = 0, deqd_min = ~0UL, deqd_tot = 0;
 350
 351                 while (enqd_tot < ctx->options->total_ops) {
 352
 353                         uint16_t burst_size = ((enqd_tot + test_burst_size)
 354                                         <= ctx->options->total_ops) ?
 355                                                         test_burst_size :
 356                                                         ctx->options->total_ops -
 357                                                         enqd_tot;
 358
 359                         /* Allocate crypto ops from pool */
 360                         if (burst_size != rte_crypto_op_bulk_alloc(
 361                                         ctx->crypto_op_pool,
 362                                         RTE_CRYPTO_OP_TYPE_SYMMETRIC,
 363                                         ops, burst_size))
 364                                 return -1;
 365
 366                         /* Setup crypto op, attach mbuf etc */
 367                         (ctx->populate_ops)(ops, &ctx->mbufs_in[m_idx],
 368                                         &ctx->mbufs_out[m_idx],
 369                                         burst_size, ctx->sess, ctx->options,
 370                                         ctx->test_vector);
 371
 372                         tsc_start = rte_rdtsc_precise();
 373
 374 #ifdef CPERF_LINEARIZATION_ENABLE
 375                         if (linearize) {
 376                                 /* PMD doesn't support scatter-gather and source buffer
 377                                  * is segmented.
 378                                  * We need to linearize it before enqueuing.
 379                                  */
 380                                 for (i = 0; i < burst_size; i++)
 381                                         rte_pktmbuf_linearize(ops[i]->sym->m_src);
 382                         }
 383 #endif /* CPERF_LINEARIZATION_ENABLE */
 384
 385                         /* Enqueue burst of ops on crypto device */
 386                         ops_enqd = rte_cryptodev_enqueue_burst(ctx->dev_id, ctx->qp_id,
 387                                         ops, burst_size);
 388
 389                         /* Dequeue processed burst of ops from crypto device */
 390                         ops_deqd = rte_cryptodev_dequeue_burst(ctx->dev_id, ctx->qp_id,
 391                                         ops_processed, test_burst_size);
 392
 393                         tsc_end = rte_rdtsc_precise();
 394
 395                         /* Free memory for not enqueued operations */
 396                         for (i = ops_enqd; i < burst_size; i++)
 397                                 rte_crypto_op_free(ops[i]);
 398
 399                         for (i = 0; i < ops_enqd; i++) {
 400                                 ctx->res[tsc_idx].tsc_start = tsc_start;
 401                                 ops[i]->opaque_data = (void *)&ctx->res[tsc_idx];
 402                                 tsc_idx++;
 403                         }
 404
 405                         if (likely(ops_deqd))  {
 406                                 /*
 407                                  * free crypto ops so they can be reused. We don't free
 408                                  * the mbufs here as we don't want to reuse them as
 409                                  * the crypto operation will change the data and cause
 410                                  * failures.
 411                                  */
 412                                 for (i = 0; i < ops_deqd; i++) {
 413                                         pres = (struct cperf_op_result *)
 414                                                         (ops_processed[i]->opaque_data);
 415                                         pres->status = ops_processed[i]->status;
 416                                         pres->tsc_end = tsc_end;
 417
 418                                         rte_crypto_op_free(ops_processed[i]);
 419                                 }
 420
 421                                 deqd_tot += ops_deqd;
 422                                 deqd_max = max(ops_deqd, deqd_max);
 423                                 deqd_min = min(ops_deqd, deqd_min);
 424                         }
 425
 426                         enqd_tot += ops_enqd;
 427                         enqd_max = max(ops_enqd, enqd_max);
 428                         enqd_min = min(ops_enqd, enqd_min);
 429
 430                         m_idx += ops_enqd;
 431                         m_idx = m_idx + test_burst_size > ctx->options->pool_sz ?
 432                                         0 : m_idx;
 433                         b_idx++;
 434                 }
 435
 436                 /* Dequeue any operations still in the crypto device */
 437                 while (deqd_tot < ctx->options->total_ops) {
 438                         /* Sending 0 length burst to flush sw crypto device */
 439                         rte_cryptodev_enqueue_burst(ctx->dev_id, ctx->qp_id, NULL, 0);
 440
 441                         /* dequeue burst */
 442                         ops_deqd = rte_cryptodev_dequeue_burst(ctx->dev_id, ctx->qp_id,
 443                                         ops_processed, test_burst_size);
 444
 445                         tsc_end = rte_rdtsc_precise();
 446
 447                         if (ops_deqd != 0) {
 448                                 for (i = 0; i < ops_deqd; i++) {
 449                                         pres = (struct cperf_op_result *)
 450                                                         (ops_processed[i]->opaque_data);
 451                                         pres->status = ops_processed[i]->status;
 452                                         pres->tsc_end = tsc_end;
 453
 454                                         rte_crypto_op_free(ops_processed[i]);
 455                                 }
 456
 457                                 deqd_tot += ops_deqd;
 458                                 deqd_max = max(ops_deqd, deqd_max);
 459                                 deqd_min = min(ops_deqd, deqd_min);
 460                         }
 461                 }
 462
 463                 for (i = 0; i < tsc_idx; i++) {
 464                         tsc_val = ctx->res[i].tsc_end - ctx->res[i].tsc_start;
 465                         tsc_max = max(tsc_val, tsc_max);
 466                         tsc_min = min(tsc_val, tsc_min);
 467                         tsc_tot += tsc_val;
 468                 }
 469
 470                 double time_tot, time_avg, time_max, time_min;
 471
 472                 const uint64_t tunit = 1000000; /* us */
 473                 const uint64_t tsc_hz = rte_get_tsc_hz();
 474
 475                 uint64_t enqd_avg = enqd_tot / b_idx;
 476                 uint64_t deqd_avg = deqd_tot / b_idx;
 477                 uint64_t tsc_avg = tsc_tot / tsc_idx;
 478
 479                 time_tot = tunit*(double)(tsc_tot) / tsc_hz;
 480                 time_avg = tunit*(double)(tsc_avg) / tsc_hz;
 481                 time_max = tunit*(double)(tsc_max) / tsc_hz;
 482                 time_min = tunit*(double)(tsc_min) / tsc_hz;
 483
 484                 if (ctx->options->csv) {
 485                         if (!only_once)
 486                                 printf("\n# lcore, Buffer Size, Burst Size, Pakt Seq #, "
 487                                                 "Packet Size, cycles, time (us)");
 488
 489                         for (i = 0; i < ctx->options->total_ops; i++) {
 490
 491                                 printf("\n%u;%u;%u;%"PRIu64";%"PRIu64";%.3f",
 492                                         ctx->lcore_id, ctx->options->test_buffer_size,
 493                                         test_burst_size, i + 1,
 494                                         ctx->res[i].tsc_end - ctx->res[i].tsc_start,
 495                                         tunit * (double) (ctx->res[i].tsc_end
 496                                                         - ctx->res[i].tsc_start)
 497                                                 / tsc_hz);
 498
 499                         }
 500                         only_once = 1;
 501                 } else {
 502                         printf("\n# Device %d on lcore %u\n", ctx->dev_id,
 503                                 ctx->lcore_id);
 504                         printf("\n# total operations: %u", ctx->options->total_ops);
 505                         printf("\n# Buffer size: %u", ctx->options->test_buffer_size);
 506                         printf("\n# Burst size: %u", test_burst_size);
 507                         printf("\n#     Number of bursts: %"PRIu64,
 508                                         b_idx);
 509
 510                         printf("\n#");
 511                         printf("\n#          \t       Total\t   Average\t   "
 512                                         "Maximum\t   Minimum");
 513                         printf("\n#  enqueued\t%12"PRIu64"\t%10"PRIu64"\t"
 514                                         "%10"PRIu64"\t%10"PRIu64, enqd_tot,
 515                                         enqd_avg, enqd_max, enqd_min);
 516                         printf("\n#  dequeued\t%12"PRIu64"\t%10"PRIu64"\t"
 517                                         "%10"PRIu64"\t%10"PRIu64, deqd_tot,
 518                                         deqd_avg, deqd_max, deqd_min);
 519                         printf("\n#    cycles\t%12"PRIu64"\t%10"PRIu64"\t"
 520                                         "%10"PRIu64"\t%10"PRIu64, tsc_tot,
 521                                         tsc_avg, tsc_max, tsc_min);
 522                         printf("\n# time [us]\t%12.0f\t%10.3f\t%10.3f\t%10.3f",
 523                                         time_tot, time_avg, time_max, time_min);
 524                         printf("\n\n");
 525
 526                 }
 527
 528                 /* Get next size from range or list */
 529                 if (ctx->options->inc_burst_size != 0)
 530                         test_burst_size += ctx->options->inc_burst_size;
 531                 else {
 532                         if (++burst_size_idx == ctx->options->burst_size_count)
 533                                 break;
 534                         test_burst_size =
 535                                 ctx->options->burst_size_list[burst_size_idx];
 536                 }
 537         }
 538
 539         return 0;
 540 }
 541
 542 void
 543 cperf_latency_test_destructor(void *arg)
 544 {
 545         struct cperf_latency_ctx *ctx = arg;
 546
 547         if (ctx == NULL)
 548                 return;
 549
 550         cperf_latency_test_free(ctx, ctx->options->pool_sz);
 551
 552 }