1 /* SPDX-License-Identifier: BSD-3-Clause
2 * Copyright(c) 2016-2017 Intel Corporation
5 #include <rte_malloc.h>
6 #include <rte_cycles.h>
7 #include <rte_crypto.h>
8 #include <rte_cryptodev.h>
10 #include "cperf_test_throughput.h"
11 #include "cperf_ops.h"
12 #include "cperf_test_common.h"
14 struct cperf_throughput_ctx {
19 struct rte_mempool *pool;
21 struct rte_cryptodev_sym_session *sess;
23 cperf_populate_ops_t populate_ops;
25 uint32_t src_buf_offset;
26 uint32_t dst_buf_offset;
28 const struct cperf_options *options;
29 const struct cperf_test_vector *test_vector;
33 cperf_throughput_test_free(struct cperf_throughput_ctx *ctx)
37 rte_cryptodev_sym_session_clear(ctx->dev_id, ctx->sess);
38 rte_cryptodev_sym_session_free(ctx->sess);
42 rte_mempool_free(ctx->pool);
49 cperf_throughput_test_constructor(struct rte_mempool *sess_mp,
50 struct rte_mempool *sess_priv_mp,
51 uint8_t dev_id, uint16_t qp_id,
52 const struct cperf_options *options,
53 const struct cperf_test_vector *test_vector,
54 const struct cperf_op_fns *op_fns)
56 struct cperf_throughput_ctx *ctx = NULL;
58 ctx = rte_malloc(NULL, sizeof(struct cperf_throughput_ctx), 0);
65 ctx->populate_ops = op_fns->populate_ops;
66 ctx->options = options;
67 ctx->test_vector = test_vector;
69 /* IV goes at the end of the crypto operation */
70 uint16_t iv_offset = sizeof(struct rte_crypto_op) +
71 sizeof(struct rte_crypto_sym_op);
73 ctx->sess = op_fns->sess_create(sess_mp, sess_priv_mp, dev_id, options,
74 test_vector, iv_offset);
75 if (ctx->sess == NULL)
78 if (cperf_alloc_common_memory(options, test_vector, dev_id, qp_id, 0,
79 &ctx->src_buf_offset, &ctx->dst_buf_offset,
85 cperf_throughput_test_free(ctx);
91 cperf_throughput_test_runner(void *test_ctx)
93 struct cperf_throughput_ctx *ctx = test_ctx;
94 uint16_t test_burst_size;
95 uint8_t burst_size_idx = 0;
96 uint32_t imix_idx = 0;
98 static rte_atomic16_t display_once = RTE_ATOMIC16_INIT(0);
100 struct rte_crypto_op *ops[ctx->options->max_burst_size];
101 struct rte_crypto_op *ops_processed[ctx->options->max_burst_size];
104 uint32_t lcore = rte_lcore_id();
106 #ifdef CPERF_LINEARIZATION_ENABLE
107 struct rte_cryptodev_info dev_info;
110 /* Check if source mbufs require coalescing */
111 if (ctx->options->segment_sz < ctx->options->max_buffer_size) {
112 rte_cryptodev_info_get(ctx->dev_id, &dev_info);
113 if ((dev_info.feature_flags &
114 RTE_CRYPTODEV_FF_MBUF_SCATTER_GATHER) == 0)
117 #endif /* CPERF_LINEARIZATION_ENABLE */
119 ctx->lcore_id = lcore;
121 /* Warm up the host CPU before starting the test */
122 for (i = 0; i < ctx->options->total_ops; i++)
123 rte_cryptodev_enqueue_burst(ctx->dev_id, ctx->qp_id, NULL, 0);
125 /* Get first size from range or list */
126 if (ctx->options->inc_burst_size != 0)
127 test_burst_size = ctx->options->min_burst_size;
129 test_burst_size = ctx->options->burst_size_list[0];
131 uint16_t iv_offset = sizeof(struct rte_crypto_op) +
132 sizeof(struct rte_crypto_sym_op);
134 while (test_burst_size <= ctx->options->max_burst_size) {
135 uint64_t ops_enqd = 0, ops_enqd_total = 0, ops_enqd_failed = 0;
136 uint64_t ops_deqd = 0, ops_deqd_total = 0, ops_deqd_failed = 0;
138 uint64_t tsc_start, tsc_end, tsc_duration;
140 uint16_t ops_unused = 0;
142 tsc_start = rte_rdtsc_precise();
144 while (ops_enqd_total < ctx->options->total_ops) {
146 uint16_t burst_size = ((ops_enqd_total + test_burst_size)
147 <= ctx->options->total_ops) ?
149 ctx->options->total_ops -
152 uint16_t ops_needed = burst_size - ops_unused;
154 /* Allocate objects containing crypto operations and mbufs */
155 if (rte_mempool_get_bulk(ctx->pool, (void **)ops,
158 "Failed to allocate more crypto operations "
159 "from the crypto operation pool.\n"
160 "Consider increasing the pool size "
165 /* Setup crypto op, attach mbuf etc */
166 (ctx->populate_ops)(ops, ctx->src_buf_offset,
168 ops_needed, ctx->sess,
169 ctx->options, ctx->test_vector,
170 iv_offset, &imix_idx);
173 * When ops_needed is smaller than ops_enqd, the
174 * unused ops need to be moved to the front for
177 if (unlikely(ops_enqd > ops_needed)) {
178 size_t nb_b_to_mov = ops_unused * sizeof(
179 struct rte_crypto_op *);
181 memmove(&ops[ops_needed], &ops[ops_enqd],
185 #ifdef CPERF_LINEARIZATION_ENABLE
187 /* PMD doesn't support scatter-gather and source buffer
189 * We need to linearize it before enqueuing.
191 for (i = 0; i < burst_size; i++)
192 rte_pktmbuf_linearize(ops[i]->sym->m_src);
194 #endif /* CPERF_LINEARIZATION_ENABLE */
196 /* Enqueue burst of ops on crypto device */
197 ops_enqd = rte_cryptodev_enqueue_burst(ctx->dev_id, ctx->qp_id,
199 if (ops_enqd < burst_size)
203 * Calculate number of ops not enqueued (mainly for hw
204 * accelerators whose ingress queue can fill up).
206 ops_unused = burst_size - ops_enqd;
207 ops_enqd_total += ops_enqd;
210 /* Dequeue processed burst of ops from crypto device */
211 ops_deqd = rte_cryptodev_dequeue_burst(ctx->dev_id, ctx->qp_id,
212 ops_processed, test_burst_size);
214 if (likely(ops_deqd)) {
215 /* Free crypto ops so they can be reused. */
216 rte_mempool_put_bulk(ctx->pool,
217 (void **)ops_processed, ops_deqd);
219 ops_deqd_total += ops_deqd;
222 * Count dequeue polls which didn't return any
223 * processed operations. This statistic is mainly
224 * relevant to hw accelerators.
231 /* Dequeue any operations still in the crypto device */
233 while (ops_deqd_total < ctx->options->total_ops) {
234 /* Sending 0 length burst to flush sw crypto device */
235 rte_cryptodev_enqueue_burst(ctx->dev_id, ctx->qp_id, NULL, 0);
238 ops_deqd = rte_cryptodev_dequeue_burst(ctx->dev_id, ctx->qp_id,
239 ops_processed, test_burst_size);
243 rte_mempool_put_bulk(ctx->pool,
244 (void **)ops_processed, ops_deqd);
245 ops_deqd_total += ops_deqd;
249 tsc_end = rte_rdtsc_precise();
250 tsc_duration = (tsc_end - tsc_start);
252 /* Calculate average operations processed per second */
253 double ops_per_second = ((double)ctx->options->total_ops /
254 tsc_duration) * rte_get_tsc_hz();
256 /* Calculate average throughput (Gbps) in bits per second */
257 double throughput_gbps = ((ops_per_second *
258 ctx->options->test_buffer_size * 8) / 1000000000);
260 /* Calculate average cycles per packet */
261 double cycles_per_packet = ((double)tsc_duration /
262 ctx->options->total_ops);
264 if (!ctx->options->csv) {
265 if (rte_atomic16_test_and_set(&display_once))
266 printf("%12s%12s%12s%12s%12s%12s%12s%12s%12s%12s\n\n",
267 "lcore id", "Buf Size", "Burst Size",
268 "Enqueued", "Dequeued", "Failed Enq",
269 "Failed Deq", "MOps", "Gbps",
272 printf("%12u%12u%12u%12"PRIu64"%12"PRIu64"%12"PRIu64
273 "%12"PRIu64"%12.4f%12.4f%12.2f\n",
275 ctx->options->test_buffer_size,
281 ops_per_second/1000000,
285 if (rte_atomic16_test_and_set(&display_once))
286 printf("#lcore id,Buffer Size(B),"
287 "Burst Size,Enqueued,Dequeued,Failed Enq,"
288 "Failed Deq,Ops(Millions),Throughput(Gbps),"
291 printf("%u;%u;%u;%"PRIu64";%"PRIu64";%"PRIu64";%"PRIu64";"
294 ctx->options->test_buffer_size,
300 ops_per_second/1000000,
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;
309 if (++burst_size_idx == ctx->options->burst_size_count)
311 test_burst_size = ctx->options->burst_size_list[burst_size_idx];
321 cperf_throughput_test_destructor(void *arg)
323 struct cperf_throughput_ctx *ctx = arg;
328 cperf_throughput_test_free(ctx);