app/test-crypto-perf/cperf_test_throughput.c

   1 /* SPDX-License-Identifier: BSD-3-Clause
   2  * Copyright(c) 2016-2017 Intel Corporation
   3  */
   4
   5 #include <rte_malloc.h>
   6 #include <rte_cycles.h>
   7 #include <rte_crypto.h>
   8 #include <rte_cryptodev.h>
   9
  10 #include "cperf_test_throughput.h"
  11 #include "cperf_ops.h"
  12 #include "cperf_test_common.h"
  13
  14 struct cperf_throughput_ctx {
  15         uint8_t dev_id;
  16         uint16_t qp_id;
  17         uint8_t lcore_id;
  18
  19         struct rte_mempool *pool;
  20
  21         struct rte_cryptodev_sym_session *sess;
  22
  23         cperf_populate_ops_t populate_ops;
  24
  25         uint32_t src_buf_offset;
  26         uint32_t dst_buf_offset;
  27
  28         const struct cperf_options *options;
  29         const struct cperf_test_vector *test_vector;
  30 };
  31
  32 static void
  33 cperf_throughput_test_free(struct cperf_throughput_ctx *ctx)
  34 {
  35         if (ctx) {
  36                 if (ctx->sess) {
  37                         rte_cryptodev_sym_session_clear(ctx->dev_id, ctx->sess);
  38                         rte_cryptodev_sym_session_free(ctx->sess);
  39                 }
  40
  41                 if (ctx->pool)
  42                         rte_mempool_free(ctx->pool);
  43
  44                 rte_free(ctx);
  45         }
  46 }
  47
  48 void *
  49 cperf_throughput_test_constructor(struct rte_mempool *sess_mp,
  50                 uint8_t dev_id, uint16_t qp_id,
  51                 const struct cperf_options *options,
  52                 const struct cperf_test_vector *test_vector,
  53                 const struct cperf_op_fns *op_fns)
  54 {
  55         struct cperf_throughput_ctx *ctx = NULL;
  56
  57         ctx = rte_malloc(NULL, sizeof(struct cperf_throughput_ctx), 0);
  58         if (ctx == NULL)
  59                 goto err;
  60
  61         ctx->dev_id = dev_id;
  62         ctx->qp_id = qp_id;
  63
  64         ctx->populate_ops = op_fns->populate_ops;
  65         ctx->options = options;
  66         ctx->test_vector = test_vector;
  67
  68         /* IV goes at the end of the crypto operation */
  69         uint16_t iv_offset = sizeof(struct rte_crypto_op) +
  70                 sizeof(struct rte_crypto_sym_op);
  71
  72         ctx->sess = op_fns->sess_create(sess_mp, dev_id, options, test_vector,
  73                                         iv_offset);
  74         if (ctx->sess == NULL)
  75                 goto err;
  76
  77         if (cperf_alloc_common_memory(options, test_vector, dev_id, qp_id, 0,
  78                         &ctx->src_buf_offset, &ctx->dst_buf_offset,
  79                         &ctx->pool) < 0)
  80                 goto err;
  81
  82         return ctx;
  83 err:
  84         cperf_throughput_test_free(ctx);
  85
  86         return NULL;
  87 }
  88
  89 int
  90 cperf_throughput_test_runner(void *test_ctx)
  91 {
  92         struct cperf_throughput_ctx *ctx = test_ctx;
  93         uint16_t test_burst_size;
  94         uint8_t burst_size_idx = 0;
  95
  96         static int only_once;
  97
  98         struct rte_crypto_op *ops[ctx->options->max_burst_size];
  99         struct rte_crypto_op *ops_processed[ctx->options->max_burst_size];
 100         uint64_t i;
 101
 102         uint32_t lcore = rte_lcore_id();
 103
 104 #ifdef CPERF_LINEARIZATION_ENABLE
 105         struct rte_cryptodev_info dev_info;
 106         int linearize = 0;
 107
 108         /* Check if source mbufs require coalescing */
 109         if (ctx->options->segment_sz < ctx->options->max_buffer_size) {
 110                 rte_cryptodev_info_get(ctx->dev_id, &dev_info);
 111                 if ((dev_info.feature_flags &
 112                                 RTE_CRYPTODEV_FF_MBUF_SCATTER_GATHER) == 0)
 113                         linearize = 1;
 114         }
 115 #endif /* CPERF_LINEARIZATION_ENABLE */
 116
 117         ctx->lcore_id = lcore;
 118
 119         /* Warm up the host CPU before starting the test */
 120         for (i = 0; i < ctx->options->total_ops; i++)
 121                 rte_cryptodev_enqueue_burst(ctx->dev_id, ctx->qp_id, NULL, 0);
 122
 123         /* Get first size from range or list */
 124         if (ctx->options->inc_burst_size != 0)
 125                 test_burst_size = ctx->options->min_burst_size;
 126         else
 127                 test_burst_size = ctx->options->burst_size_list[0];
 128
 129         uint16_t iv_offset = sizeof(struct rte_crypto_op) +
 130                 sizeof(struct rte_crypto_sym_op);
 131
 132         while (test_burst_size <= ctx->options->max_burst_size) {
 133                 uint64_t ops_enqd = 0, ops_enqd_total = 0, ops_enqd_failed = 0;
 134                 uint64_t ops_deqd = 0, ops_deqd_total = 0, ops_deqd_failed = 0;
 135
 136                 uint64_t tsc_start, tsc_end, tsc_duration;
 137
 138                 uint16_t ops_unused = 0;
 139
 140                 tsc_start = rte_rdtsc_precise();
 141
 142                 while (ops_enqd_total < ctx->options->total_ops) {
 143
 144                         uint16_t burst_size = ((ops_enqd_total + test_burst_size)
 145                                         <= ctx->options->total_ops) ?
 146                                                         test_burst_size :
 147                                                         ctx->options->total_ops -
 148                                                         ops_enqd_total;
 149
 150                         uint16_t ops_needed = burst_size - ops_unused;
 151
 152                         /* Allocate objects containing crypto operations and mbufs */
 153                         if (rte_mempool_get_bulk(ctx->pool, (void **)ops,
 154                                                 ops_needed) != 0) {
 155                                 RTE_LOG(ERR, USER1,
 156                                         "Failed to allocate more crypto operations "
 157                                         "from the the crypto operation pool.\n"
 158                                         "Consider increasing the pool size "
 159                                         "with --pool-sz\n");
 160                                 return -1;
 161                         }
 162
 163                         /* Setup crypto op, attach mbuf etc */
 164                         (ctx->populate_ops)(ops, ctx->src_buf_offset,
 165                                         ctx->dst_buf_offset,
 166                                         ops_needed, ctx->sess,
 167                                         ctx->options, ctx->test_vector,
 168                                         iv_offset);
 169
 170                         /**
 171                          * When ops_needed is smaller than ops_enqd, the
 172                          * unused ops need to be moved to the front for
 173                          * next round use.
 174                          */
 175                         if (unlikely(ops_enqd > ops_needed)) {
 176                                 size_t nb_b_to_mov = ops_unused * sizeof(
 177                                                 struct rte_crypto_op *);
 178
 179                                 memmove(&ops[ops_needed], &ops[ops_enqd],
 180                                         nb_b_to_mov);
 181                         }
 182
 183 #ifdef CPERF_LINEARIZATION_ENABLE
 184                         if (linearize) {
 185                                 /* PMD doesn't support scatter-gather and source buffer
 186                                  * is segmented.
 187                                  * We need to linearize it before enqueuing.
 188                                  */
 189                                 for (i = 0; i < burst_size; i++)
 190                                         rte_pktmbuf_linearize(ops[i]->sym->m_src);
 191                         }
 192 #endif /* CPERF_LINEARIZATION_ENABLE */
 193
 194                         /* Enqueue burst of ops on crypto device */
 195                         ops_enqd = rte_cryptodev_enqueue_burst(ctx->dev_id, ctx->qp_id,
 196                                         ops, burst_size);
 197                         if (ops_enqd < burst_size)
 198                                 ops_enqd_failed++;
 199
 200                         /**
 201                          * Calculate number of ops not enqueued (mainly for hw
 202                          * accelerators whose ingress queue can fill up).
 203                          */
 204                         ops_unused = burst_size - ops_enqd;
 205                         ops_enqd_total += ops_enqd;
 206
 207
 208                         /* Dequeue processed burst of ops from crypto device */
 209                         ops_deqd = rte_cryptodev_dequeue_burst(ctx->dev_id, ctx->qp_id,
 210                                         ops_processed, test_burst_size);
 211
 212                         if (likely(ops_deqd))  {
 213                                 /* Free crypto ops so they can be reused. */
 214                                 rte_mempool_put_bulk(ctx->pool,
 215                                                 (void **)ops_processed, ops_deqd);
 216
 217                                 ops_deqd_total += ops_deqd;
 218                         } else {
 219                                 /**
 220                                  * Count dequeue polls which didn't return any
 221                                  * processed operations. This statistic is mainly
 222                                  * relevant to hw accelerators.
 223                                  */
 224                                 ops_deqd_failed++;
 225                         }
 226
 227                 }
 228
 229                 /* Dequeue any operations still in the crypto device */
 230
 231                 while (ops_deqd_total < ctx->options->total_ops) {
 232                         /* Sending 0 length burst to flush sw crypto device */
 233                         rte_cryptodev_enqueue_burst(ctx->dev_id, ctx->qp_id, NULL, 0);
 234
 235                         /* dequeue burst */
 236                         ops_deqd = rte_cryptodev_dequeue_burst(ctx->dev_id, ctx->qp_id,
 237                                         ops_processed, test_burst_size);
 238                         if (ops_deqd == 0)
 239                                 ops_deqd_failed++;
 240                         else {
 241                                 rte_mempool_put_bulk(ctx->pool,
 242                                                 (void **)ops_processed, ops_deqd);
 243                                 ops_deqd_total += ops_deqd;
 244                         }
 245                 }
 246
 247                 tsc_end = rte_rdtsc_precise();
 248                 tsc_duration = (tsc_end - tsc_start);
 249
 250                 /* Calculate average operations processed per second */
 251                 double ops_per_second = ((double)ctx->options->total_ops /
 252                                 tsc_duration) * rte_get_tsc_hz();
 253
 254                 /* Calculate average throughput (Gbps) in bits per second */
 255                 double throughput_gbps = ((ops_per_second *
 256                                 ctx->options->test_buffer_size * 8) / 1000000000);
 257
 258                 /* Calculate average cycles per packet */
 259                 double cycles_per_packet = ((double)tsc_duration /
 260                                 ctx->options->total_ops);
 261
 262                 if (!ctx->options->csv) {
 263                         if (!only_once)
 264                                 printf("%12s%12s%12s%12s%12s%12s%12s%12s%12s%12s\n\n",
 265                                         "lcore id", "Buf Size", "Burst Size",
 266                                         "Enqueued", "Dequeued", "Failed Enq",
 267                                         "Failed Deq", "MOps", "Gbps",
 268                                         "Cycles/Buf");
 269                         only_once = 1;
 270
 271                         printf("%12u%12u%12u%12"PRIu64"%12"PRIu64"%12"PRIu64
 272                                         "%12"PRIu64"%12.4f%12.4f%12.2f\n",
 273                                         ctx->lcore_id,
 274                                         ctx->options->test_buffer_size,
 275                                         test_burst_size,
 276                                         ops_enqd_total,
 277                                         ops_deqd_total,
 278                                         ops_enqd_failed,
 279                                         ops_deqd_failed,
 280                                         ops_per_second/1000000,
 281                                         throughput_gbps,
 282                                         cycles_per_packet);
 283                 } else {
 284                         if (!only_once)
 285                                 printf("#lcore id,Buffer Size(B),"
 286                                         "Burst Size,Enqueued,Dequeued,Failed Enq,"
 287                                         "Failed Deq,Ops(Millions),Throughput(Gbps),"
 288                                         "Cycles/Buf\n\n");
 289                         only_once = 1;
 290
 291                         printf("%u;%u;%u;%"PRIu64";%"PRIu64";%"PRIu64";%"PRIu64";"
 292                                         "%.3f;%.3f;%.3f\n",
 293                                         ctx->lcore_id,
 294                                         ctx->options->test_buffer_size,
 295                                         test_burst_size,
 296                                         ops_enqd_total,
 297                                         ops_deqd_total,
 298                                         ops_enqd_failed,
 299                                         ops_deqd_failed,
 300                                         ops_per_second/1000000,
 301                                         throughput_gbps,
 302                                         cycles_per_packet);
 303                 }
 304
 305                 /* Get next size from range or list */
 306                 if (ctx->options->inc_burst_size != 0)
 307                         test_burst_size += ctx->options->inc_burst_size;
 308                 else {
 309                         if (++burst_size_idx == ctx->options->burst_size_count)
 310                                 break;
 311                         test_burst_size = ctx->options->burst_size_list[burst_size_idx];
 312                 }
 313
 314         }
 315
 316         return 0;
 317 }
 318
 319
 320 void
 321 cperf_throughput_test_destructor(void *arg)
 322 {
 323         struct cperf_throughput_ctx *ctx = arg;
 324
 325         if (ctx == NULL)
 326                 return;
 327
 328         cperf_throughput_test_free(ctx);
 329 }