diff options
Diffstat (limited to 'src/spdk/dpdk/app/test-crypto-perf/cperf_test_latency.c')
-rw-r--r-- | src/spdk/dpdk/app/test-crypto-perf/cperf_test_latency.c | 376 |
1 files changed, 376 insertions, 0 deletions
diff --git a/src/spdk/dpdk/app/test-crypto-perf/cperf_test_latency.c b/src/spdk/dpdk/app/test-crypto-perf/cperf_test_latency.c new file mode 100644 index 000000000..0e4d0e153 --- /dev/null +++ b/src/spdk/dpdk/app/test-crypto-perf/cperf_test_latency.c @@ -0,0 +1,376 @@ +/* SPDX-License-Identifier: BSD-3-Clause + * Copyright(c) 2016-2017 Intel Corporation + */ + +#include <rte_malloc.h> +#include <rte_cycles.h> +#include <rte_crypto.h> +#include <rte_cryptodev.h> + +#include "cperf_test_latency.h" +#include "cperf_ops.h" +#include "cperf_test_common.h" + +struct cperf_op_result { + uint64_t tsc_start; + uint64_t tsc_end; + enum rte_crypto_op_status status; +}; + +struct cperf_latency_ctx { + uint8_t dev_id; + uint16_t qp_id; + uint8_t lcore_id; + + struct rte_mempool *pool; + + struct rte_cryptodev_sym_session *sess; + + cperf_populate_ops_t populate_ops; + + uint32_t src_buf_offset; + uint32_t dst_buf_offset; + + const struct cperf_options *options; + const struct cperf_test_vector *test_vector; + struct cperf_op_result *res; +}; + +struct priv_op_data { + struct cperf_op_result *result; +}; + +static void +cperf_latency_test_free(struct cperf_latency_ctx *ctx) +{ + if (ctx) { + if (ctx->sess) { + rte_cryptodev_sym_session_clear(ctx->dev_id, ctx->sess); + rte_cryptodev_sym_session_free(ctx->sess); + } + + if (ctx->pool) + rte_mempool_free(ctx->pool); + + rte_free(ctx->res); + rte_free(ctx); + } +} + +void * +cperf_latency_test_constructor(struct rte_mempool *sess_mp, + struct rte_mempool *sess_priv_mp, + uint8_t dev_id, uint16_t qp_id, + const struct cperf_options *options, + const struct cperf_test_vector *test_vector, + const struct cperf_op_fns *op_fns) +{ + struct cperf_latency_ctx *ctx = NULL; + size_t extra_op_priv_size = sizeof(struct priv_op_data); + + ctx = rte_malloc(NULL, sizeof(struct cperf_latency_ctx), 0); + if (ctx == NULL) + goto err; + + ctx->dev_id = dev_id; + ctx->qp_id = qp_id; + + ctx->populate_ops = op_fns->populate_ops; + ctx->options = options; + ctx->test_vector = test_vector; + + /* IV goes at the end of the crypto operation */ + uint16_t iv_offset = sizeof(struct rte_crypto_op) + + sizeof(struct rte_crypto_sym_op) + + sizeof(struct cperf_op_result *); + + ctx->sess = op_fns->sess_create(sess_mp, sess_priv_mp, dev_id, options, + test_vector, iv_offset); + if (ctx->sess == NULL) + goto err; + + if (cperf_alloc_common_memory(options, test_vector, dev_id, qp_id, + extra_op_priv_size, + &ctx->src_buf_offset, &ctx->dst_buf_offset, + &ctx->pool) < 0) + goto err; + + ctx->res = rte_malloc(NULL, sizeof(struct cperf_op_result) * + ctx->options->total_ops, 0); + + if (ctx->res == NULL) + goto err; + + return ctx; +err: + cperf_latency_test_free(ctx); + + return NULL; +} + +static inline void +store_timestamp(struct rte_crypto_op *op, uint64_t timestamp) +{ + struct priv_op_data *priv_data; + + priv_data = (struct priv_op_data *) (op->sym + 1); + priv_data->result->status = op->status; + priv_data->result->tsc_end = timestamp; +} + +int +cperf_latency_test_runner(void *arg) +{ + struct cperf_latency_ctx *ctx = arg; + uint16_t test_burst_size; + uint8_t burst_size_idx = 0; + uint32_t imix_idx = 0; + + static rte_atomic16_t display_once = RTE_ATOMIC16_INIT(0); + + if (ctx == NULL) + return 0; + + struct rte_crypto_op *ops[ctx->options->max_burst_size]; + struct rte_crypto_op *ops_processed[ctx->options->max_burst_size]; + uint64_t i; + struct priv_op_data *priv_data; + + uint32_t lcore = rte_lcore_id(); + +#ifdef CPERF_LINEARIZATION_ENABLE + struct rte_cryptodev_info dev_info; + int linearize = 0; + + /* Check if source mbufs require coalescing */ + if (ctx->options->segment_sz < ctx->options->max_buffer_size) { + rte_cryptodev_info_get(ctx->dev_id, &dev_info); + if ((dev_info.feature_flags & + RTE_CRYPTODEV_FF_MBUF_SCATTER_GATHER) == 0) + linearize = 1; + } +#endif /* CPERF_LINEARIZATION_ENABLE */ + + ctx->lcore_id = lcore; + + /* Warm up the host CPU before starting the test */ + for (i = 0; i < ctx->options->total_ops; i++) + rte_cryptodev_enqueue_burst(ctx->dev_id, ctx->qp_id, NULL, 0); + + /* Get first size from range or list */ + if (ctx->options->inc_burst_size != 0) + test_burst_size = ctx->options->min_burst_size; + else + test_burst_size = ctx->options->burst_size_list[0]; + + uint16_t iv_offset = sizeof(struct rte_crypto_op) + + sizeof(struct rte_crypto_sym_op) + + sizeof(struct cperf_op_result *); + + while (test_burst_size <= ctx->options->max_burst_size) { + uint64_t ops_enqd = 0, ops_deqd = 0; + uint64_t b_idx = 0; + + uint64_t tsc_val, tsc_end, tsc_start; + uint64_t tsc_max = 0, tsc_min = ~0UL, tsc_tot = 0, tsc_idx = 0; + uint64_t enqd_max = 0, enqd_min = ~0UL, enqd_tot = 0; + uint64_t deqd_max = 0, deqd_min = ~0UL, deqd_tot = 0; + + while (enqd_tot < ctx->options->total_ops) { + + uint16_t burst_size = ((enqd_tot + test_burst_size) + <= ctx->options->total_ops) ? + test_burst_size : + ctx->options->total_ops - + enqd_tot; + + /* Allocate objects containing crypto operations and mbufs */ + if (rte_mempool_get_bulk(ctx->pool, (void **)ops, + burst_size) != 0) { + RTE_LOG(ERR, USER1, + "Failed to allocate more crypto operations " + "from the crypto operation pool.\n" + "Consider increasing the pool size " + "with --pool-sz\n"); + return -1; + } + + /* Setup crypto op, attach mbuf etc */ + (ctx->populate_ops)(ops, ctx->src_buf_offset, + ctx->dst_buf_offset, + burst_size, ctx->sess, ctx->options, + ctx->test_vector, iv_offset, + &imix_idx); + + tsc_start = rte_rdtsc_precise(); + +#ifdef CPERF_LINEARIZATION_ENABLE + if (linearize) { + /* PMD doesn't support scatter-gather and source buffer + * is segmented. + * We need to linearize it before enqueuing. + */ + for (i = 0; i < burst_size; i++) + rte_pktmbuf_linearize(ops[i]->sym->m_src); + } +#endif /* CPERF_LINEARIZATION_ENABLE */ + + /* Enqueue burst of ops on crypto device */ + ops_enqd = rte_cryptodev_enqueue_burst(ctx->dev_id, ctx->qp_id, + ops, burst_size); + + /* Dequeue processed burst of ops from crypto device */ + ops_deqd = rte_cryptodev_dequeue_burst(ctx->dev_id, ctx->qp_id, + ops_processed, test_burst_size); + + tsc_end = rte_rdtsc_precise(); + + /* Free memory for not enqueued operations */ + if (ops_enqd != burst_size) + rte_mempool_put_bulk(ctx->pool, + (void **)&ops[ops_enqd], + burst_size - ops_enqd); + + for (i = 0; i < ops_enqd; i++) { + ctx->res[tsc_idx].tsc_start = tsc_start; + /* + * Private data structure starts after the end of the + * rte_crypto_sym_op structure. + */ + priv_data = (struct priv_op_data *) (ops[i]->sym + 1); + priv_data->result = (void *)&ctx->res[tsc_idx]; + tsc_idx++; + } + + if (likely(ops_deqd)) { + /* Free crypto ops so they can be reused. */ + for (i = 0; i < ops_deqd; i++) + store_timestamp(ops_processed[i], tsc_end); + + rte_mempool_put_bulk(ctx->pool, + (void **)ops_processed, ops_deqd); + + deqd_tot += ops_deqd; + deqd_max = RTE_MAX(ops_deqd, deqd_max); + deqd_min = RTE_MIN(ops_deqd, deqd_min); + } + + enqd_tot += ops_enqd; + enqd_max = RTE_MAX(ops_enqd, enqd_max); + enqd_min = RTE_MIN(ops_enqd, enqd_min); + + b_idx++; + } + + /* Dequeue any operations still in the crypto device */ + while (deqd_tot < ctx->options->total_ops) { + /* Sending 0 length burst to flush sw crypto device */ + rte_cryptodev_enqueue_burst(ctx->dev_id, ctx->qp_id, NULL, 0); + + /* dequeue burst */ + ops_deqd = rte_cryptodev_dequeue_burst(ctx->dev_id, ctx->qp_id, + ops_processed, test_burst_size); + + tsc_end = rte_rdtsc_precise(); + + if (ops_deqd != 0) { + for (i = 0; i < ops_deqd; i++) + store_timestamp(ops_processed[i], tsc_end); + + rte_mempool_put_bulk(ctx->pool, + (void **)ops_processed, ops_deqd); + + deqd_tot += ops_deqd; + deqd_max = RTE_MAX(ops_deqd, deqd_max); + deqd_min = RTE_MIN(ops_deqd, deqd_min); + } + } + + for (i = 0; i < tsc_idx; i++) { + tsc_val = ctx->res[i].tsc_end - ctx->res[i].tsc_start; + tsc_max = RTE_MAX(tsc_val, tsc_max); + tsc_min = RTE_MIN(tsc_val, tsc_min); + tsc_tot += tsc_val; + } + + double time_tot, time_avg, time_max, time_min; + + const uint64_t tunit = 1000000; /* us */ + const uint64_t tsc_hz = rte_get_tsc_hz(); + + uint64_t enqd_avg = enqd_tot / b_idx; + uint64_t deqd_avg = deqd_tot / b_idx; + uint64_t tsc_avg = tsc_tot / tsc_idx; + + time_tot = tunit*(double)(tsc_tot) / tsc_hz; + time_avg = tunit*(double)(tsc_avg) / tsc_hz; + time_max = tunit*(double)(tsc_max) / tsc_hz; + time_min = tunit*(double)(tsc_min) / tsc_hz; + + if (ctx->options->csv) { + if (rte_atomic16_test_and_set(&display_once)) + printf("\n# lcore, Buffer Size, Burst Size, Pakt Seq #, " + "Packet Size, cycles, time (us)"); + + for (i = 0; i < ctx->options->total_ops; i++) { + + printf("\n%u;%u;%u;%"PRIu64";%"PRIu64";%.3f", + ctx->lcore_id, ctx->options->test_buffer_size, + test_burst_size, i + 1, + ctx->res[i].tsc_end - ctx->res[i].tsc_start, + tunit * (double) (ctx->res[i].tsc_end + - ctx->res[i].tsc_start) + / tsc_hz); + + } + } else { + printf("\n# Device %d on lcore %u\n", ctx->dev_id, + ctx->lcore_id); + printf("\n# total operations: %u", ctx->options->total_ops); + printf("\n# Buffer size: %u", ctx->options->test_buffer_size); + printf("\n# Burst size: %u", test_burst_size); + printf("\n# Number of bursts: %"PRIu64, + b_idx); + + printf("\n#"); + printf("\n# \t Total\t Average\t " + "Maximum\t Minimum"); + printf("\n# enqueued\t%12"PRIu64"\t%10"PRIu64"\t" + "%10"PRIu64"\t%10"PRIu64, enqd_tot, + enqd_avg, enqd_max, enqd_min); + printf("\n# dequeued\t%12"PRIu64"\t%10"PRIu64"\t" + "%10"PRIu64"\t%10"PRIu64, deqd_tot, + deqd_avg, deqd_max, deqd_min); + printf("\n# cycles\t%12"PRIu64"\t%10"PRIu64"\t" + "%10"PRIu64"\t%10"PRIu64, tsc_tot, + tsc_avg, tsc_max, tsc_min); + printf("\n# time [us]\t%12.0f\t%10.3f\t%10.3f\t%10.3f", + time_tot, time_avg, time_max, time_min); + printf("\n\n"); + + } + + /* Get next size from range or list */ + if (ctx->options->inc_burst_size != 0) + test_burst_size += ctx->options->inc_burst_size; + else { + if (++burst_size_idx == ctx->options->burst_size_count) + break; + test_burst_size = + ctx->options->burst_size_list[burst_size_idx]; + } + } + + return 0; +} + +void +cperf_latency_test_destructor(void *arg) +{ + struct cperf_latency_ctx *ctx = arg; + + if (ctx == NULL) + return; + + cperf_latency_test_free(ctx); +} |