1 files changed, 520 insertions, 0 deletions

diff --git a/app/test-crypto-perf/cperf_test_pmd_cyclecount.c b/app/test-crypto-perf/cperf_test_pmd_cyclecount.c
new file mode 100644
index 00000000..9b41724a
--- /dev/null
+++ b/app/test-crypto-perf/cperf_test_pmd_cyclecount.c
@@ -0,0 +1,520 @@
+/*-
+ *   BSD LICENSE
+ *
+ *   Copyright(c) 2017 Intel Corporation. All rights reserved.
+ *
+ *   Redistribution and use in source and binary forms, with or without
+ *   modification, are permitted provided that the following conditions
+ *   are met:
+ *
+ *     * Redistributions of source code must retain the above copyright
+ *       notice, this list of conditions and the following disclaimer.
+ *     * Redistributions in binary form must reproduce the above copyright
+ *       notice, this list of conditions and the following disclaimer in
+ *       the documentation and/or other materials provided with the
+ *       distribution.
+ *     * Neither the name of Intel Corporation nor the names of its
+ *       contributors may be used to endorse or promote products derived
+ *       from this software without specific prior written permission.
+ *
+ *   THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ *   "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ *   LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+ *   A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ *   OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ *   SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+ *   LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ *   DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ *   THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ *   (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ *   OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#include <stdbool.h>
+
+#include <rte_crypto.h>
+#include <rte_cryptodev.h>
+#include <rte_cycles.h>
+#include <rte_malloc.h>
+
+#include "cperf_ops.h"
+#include "cperf_test_pmd_cyclecount.h"
+#include "cperf_test_common.h"
+
+#define PRETTY_HDR_FMT "%12s%12s%12s%12s%12s%12s%12s%12s%12s%12s\n\n"
+#define PRETTY_LINE_FMT "%12u%12u%12u%12u%12u%12u%12u%12.0f%12.0f%12.0f\n"
+#define CSV_HDR_FMT "%s,%s,%s,%s,%s,%s,%s,%s,%s,%s\n"
+#define CSV_LINE_FMT "%10u;%10u;%u;%u;%u;%u;%u;%.f3;%.f3;%.f3\n"
+
+struct cperf_pmd_cyclecount_ctx {
+	uint8_t dev_id;
+	uint16_t qp_id;
+	uint8_t lcore_id;
+
+	struct rte_mempool *pool;
+	struct rte_crypto_op **ops;
+	struct rte_crypto_op **ops_processed;
+
+	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 pmd_cyclecount_state {
+	struct cperf_pmd_cyclecount_ctx *ctx;
+	const struct cperf_options *opts;
+	uint32_t lcore;
+	uint64_t delay;
+	int linearize;
+	uint32_t ops_enqd;
+	uint32_t ops_deqd;
+	uint32_t ops_enq_retries;
+	uint32_t ops_deq_retries;
+	double cycles_per_build;
+	double cycles_per_enq;
+	double cycles_per_deq;
+};
+
+static const uint16_t iv_offset =
+		sizeof(struct rte_crypto_op) + sizeof(struct rte_crypto_sym_op);
+
+static void
+cperf_pmd_cyclecount_test_free(struct cperf_pmd_cyclecount_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);
+
+		if (ctx->ops)
+			rte_free(ctx->ops);
+
+		if (ctx->ops_processed)
+			rte_free(ctx->ops_processed);
+
+		rte_free(ctx);
+	}
+}
+
+void *
+cperf_pmd_cyclecount_test_constructor(struct rte_mempool *sess_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_pmd_cyclecount_ctx *ctx = NULL;
+
+	/* preallocate buffers for crypto ops as they can get quite big */
+	size_t alloc_sz = sizeof(struct rte_crypto_op *) *
+			options->nb_descriptors;
+
+	ctx = rte_malloc(NULL, sizeof(struct cperf_pmd_cyclecount_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);
+
+	ctx->sess = op_fns->sess_create(
+			sess_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, 0,
+			&ctx->src_buf_offset, &ctx->dst_buf_offset,
+			&ctx->pool) < 0)
+		goto err;
+
+	ctx->ops = rte_malloc("ops", alloc_sz, 0);
+	if (!ctx->ops)
+		goto err;
+
+	ctx->ops_processed = rte_malloc("ops_processed", alloc_sz, 0);
+	if (!ctx->ops_processed)
+		goto err;
+
+	return ctx;
+
+err:
+	cperf_pmd_cyclecount_test_free(ctx);
+
+	return NULL;
+}
+
+/* benchmark alloc-build-free of ops */
+static inline int
+pmd_cyclecount_bench_ops(struct pmd_cyclecount_state *state, uint32_t cur_op,
+		uint16_t test_burst_size)
+{
+	uint32_t iter_ops_left = state->opts->total_ops - cur_op;
+	uint32_t iter_ops_needed =
+			RTE_MIN(state->opts->nb_descriptors, iter_ops_left);
+	uint32_t cur_iter_op;
+
+	for (cur_iter_op = 0; cur_iter_op < iter_ops_needed;
+			cur_iter_op += test_burst_size) {
+		uint32_t burst_size = RTE_MIN(state->opts->total_ops - cur_op,
+				test_burst_size);
+		struct rte_crypto_op **ops = &state->ctx->ops[cur_iter_op];
+
+		/* Allocate objects containing crypto operations and mbufs */
+		if (rte_mempool_get_bulk(state->ctx->pool, (void **)ops,
+					burst_size) != 0) {
+			RTE_LOG(ERR, USER1,
+					"Failed to allocate more crypto operations "
+					"from the the crypto operation pool.\n"
+					"Consider increasing the pool size "
+					"with --pool-sz\n");
+				return -1;
+		}
+
+		/* Setup crypto op, attach mbuf etc */
+		(state->ctx->populate_ops)(ops,
+				state->ctx->src_buf_offset,
+				state->ctx->dst_buf_offset,
+				burst_size,
+				state->ctx->sess, state->opts,
+				state->ctx->test_vector, iv_offset);
+
+#ifdef CPERF_LINEARIZATION_ENABLE
+		/* Check if source mbufs require coalescing */
+		if (state->linearize) {
+			uint8_t i;
+			for (i = 0; i < burst_size; i++) {
+				struct rte_mbuf *src = ops[i]->sym->m_src;
+				rte_pktmbuf_linearize(src);
+			}
+		}
+#endif /* CPERF_LINEARIZATION_ENABLE */
+		rte_mempool_put_bulk(state->ctx->pool, (void **)ops,
+				burst_size);
+	}
+
+	return 0;
+}
+
+/* allocate and build ops (no free) */
+static int
+pmd_cyclecount_build_ops(struct pmd_cyclecount_state *state,
+		uint32_t iter_ops_needed, uint16_t test_burst_size)
+{
+	uint32_t cur_iter_op;
+
+	for (cur_iter_op = 0; cur_iter_op < iter_ops_needed;
+			cur_iter_op += test_burst_size) {
+		uint32_t burst_size = RTE_MIN(
+				iter_ops_needed - cur_iter_op, test_burst_size);
+		struct rte_crypto_op **ops = &state->ctx->ops[cur_iter_op];
+
+		/* Allocate objects containing crypto operations and mbufs */
+		if (rte_mempool_get_bulk(state->ctx->pool, (void **)ops,
+					burst_size) != 0) {
+			RTE_LOG(ERR, USER1,
+					"Failed to allocate more crypto operations "
+					"from the the crypto operation pool.\n"
+					"Consider increasing the pool size "
+					"with --pool-sz\n");
+				return -1;
+		}
+
+		/* Setup crypto op, attach mbuf etc */
+		(state->ctx->populate_ops)(ops,
+				state->ctx->src_buf_offset,
+				state->ctx->dst_buf_offset,
+				burst_size,
+				state->ctx->sess, state->opts,
+				state->ctx->test_vector, iv_offset);
+	}
+	return 0;
+}
+
+/* benchmark enqueue, returns number of ops enqueued */
+static uint32_t
+pmd_cyclecount_bench_enq(struct pmd_cyclecount_state *state,
+		uint32_t iter_ops_needed, uint16_t test_burst_size)
+{
+	/* Enqueue full descriptor ring of ops on crypto device */
+	uint32_t cur_iter_op = 0;
+	while (cur_iter_op < iter_ops_needed) {
+		uint32_t burst_size = RTE_MIN(iter_ops_needed - cur_iter_op,
+				test_burst_size);
+		struct rte_crypto_op **ops = &state->ctx->ops[cur_iter_op];
+		uint32_t burst_enqd;
+
+		burst_enqd = rte_cryptodev_enqueue_burst(state->ctx->dev_id,
+				state->ctx->qp_id, ops, burst_size);
+
+		/* if we couldn't enqueue anything, the queue is full */
+		if (!burst_enqd) {
+			/* don't try to dequeue anything we didn't enqueue */
+			return cur_iter_op;
+		}
+
+		if (burst_enqd < burst_size)
+			state->ops_enq_retries++;
+		state->ops_enqd += burst_enqd;
+		cur_iter_op += burst_enqd;
+	}
+	return iter_ops_needed;
+}
+
+/* benchmark dequeue */
+static void
+pmd_cyclecount_bench_deq(struct pmd_cyclecount_state *state,
+		uint32_t iter_ops_needed, uint16_t test_burst_size)
+{
+	/* Dequeue full descriptor ring of ops on crypto device */
+	uint32_t cur_iter_op = 0;
+	while (cur_iter_op < iter_ops_needed) {
+		uint32_t burst_size = RTE_MIN(iter_ops_needed - cur_iter_op,
+				test_burst_size);
+		struct rte_crypto_op **ops_processed =
+				&state->ctx->ops[cur_iter_op];
+		uint32_t burst_deqd;
+
+		burst_deqd = rte_cryptodev_dequeue_burst(state->ctx->dev_id,
+				state->ctx->qp_id, ops_processed, burst_size);
+
+		if (burst_deqd < burst_size)
+			state->ops_deq_retries++;
+		state->ops_deqd += burst_deqd;
+		cur_iter_op += burst_deqd;
+	}
+}
+
+/* run benchmark per burst size */
+static inline int
+pmd_cyclecount_bench_burst_sz(
+		struct pmd_cyclecount_state *state, uint16_t test_burst_size)
+{
+	uint64_t tsc_start;
+	uint64_t tsc_end;
+	uint64_t tsc_op;
+	uint64_t tsc_enq;
+	uint64_t tsc_deq;
+	uint32_t cur_op;
+
+	/* reset all counters */
+	tsc_enq = 0;
+	tsc_deq = 0;
+	state->ops_enqd = 0;
+	state->ops_enq_retries = 0;
+	state->ops_deqd = 0;
+	state->ops_deq_retries = 0;
+
+	/*
+	 * Benchmark crypto op alloc-build-free separately.
+	 */
+	tsc_start = rte_rdtsc_precise();
+
+	for (cur_op = 0; cur_op < state->opts->total_ops;
+			cur_op += state->opts->nb_descriptors) {
+		if (unlikely(pmd_cyclecount_bench_ops(
+				state, cur_op, test_burst_size)))
+			return -1;
+	}
+
+	tsc_end = rte_rdtsc_precise();
+	tsc_op = tsc_end - tsc_start;
+
+
+	/*
+	 * Hardware acceleration cyclecount benchmarking loop.
+	 *
+	 * We're benchmarking raw enq/deq performance by filling up the device
+	 * queue, so we never get any failed enqs unless the driver won't accept
+	 * the exact number of descriptors we requested, or the driver won't
+	 * wrap around the end of the TX ring. However, since we're only
+	 * dequeueing once we've filled up the queue, we have to benchmark it
+	 * piecemeal and then average out the results.
+	 */
+	cur_op = 0;
+	while (cur_op < state->opts->total_ops) {
+		uint32_t iter_ops_left = state->opts->total_ops - cur_op;
+		uint32_t iter_ops_needed = RTE_MIN(
+				state->opts->nb_descriptors, iter_ops_left);
+		uint32_t iter_ops_allocd = iter_ops_needed;
+
+		/* allocate and build ops */
+		if (unlikely(pmd_cyclecount_build_ops(state, iter_ops_needed,
+				test_burst_size)))
+			return -1;
+
+		tsc_start = rte_rdtsc_precise();
+
+		/* fill up TX ring */
+		iter_ops_needed = pmd_cyclecount_bench_enq(state,
+				iter_ops_needed, test_burst_size);
+
+		tsc_end = rte_rdtsc_precise();
+
+		tsc_enq += tsc_end - tsc_start;
+
+		/* allow for HW to catch up */
+		if (state->delay)
+			rte_delay_us_block(state->delay);
+
+		tsc_start = rte_rdtsc_precise();
+
+		/* drain RX ring */
+		pmd_cyclecount_bench_deq(state, iter_ops_needed,
+				test_burst_size);
+
+		tsc_end = rte_rdtsc_precise();
+
+		tsc_deq += tsc_end - tsc_start;
+
+		cur_op += iter_ops_needed;
+
+		/*
+		 * we may not have processed all ops that we allocated, so
+		 * free everything we've allocated.
+		 */
+		rte_mempool_put_bulk(state->ctx->pool,
+				(void **)state->ctx->ops, iter_ops_allocd);
+	}
+
+	state->cycles_per_build = (double)tsc_op / state->opts->total_ops;
+	state->cycles_per_enq = (double)tsc_enq / state->ops_enqd;
+	state->cycles_per_deq = (double)tsc_deq / state->ops_deqd;
+
+	return 0;
+}
+
+int
+cperf_pmd_cyclecount_test_runner(void *test_ctx)
+{
+	struct pmd_cyclecount_state state = {0};
+	const struct cperf_options *opts;
+	uint16_t test_burst_size;
+	uint8_t burst_size_idx = 0;
+
+	state.ctx = test_ctx;
+	opts = state.ctx->options;
+	state.opts = opts;
+	state.lcore = rte_lcore_id();
+	state.linearize = 0;
+
+	static int only_once;
+	static bool warmup = true;
+
+	/*
+	 * We need a small delay to allow for hardware to process all the crypto
+	 * operations. We can't automatically figure out what the delay should
+	 * be, so we leave it up to the user (by default it's 0).
+	 */
+	state.delay = 1000 * opts->pmdcc_delay;
+
+#ifdef CPERF_LINEARIZATION_ENABLE
+	struct rte_cryptodev_info dev_info;
+
+	/* Check if source mbufs require coalescing */
+	if (opts->segments_sz < ctx->options->max_buffer_size) {
+		rte_cryptodev_info_get(state.ctx->dev_id, &dev_info);
+		if ((dev_info.feature_flags &
+				    RTE_CRYPTODEV_FF_MBUF_SCATTER_GATHER) ==
+				0) {
+			state.linearize = 1;
+		}
+	}
+#endif /* CPERF_LINEARIZATION_ENABLE */
+
+	state.ctx->lcore_id = state.lcore;
+
+	/* Get first size from range or list */
+	if (opts->inc_burst_size != 0)
+		test_burst_size = opts->min_burst_size;
+	else
+		test_burst_size = opts->burst_size_list[0];
+
+	while (test_burst_size <= opts->max_burst_size) {
+		/* do a benchmark run */
+		if (pmd_cyclecount_bench_burst_sz(&state, test_burst_size))
+			return -1;
+
+		/*
+		 * First run is always a warm up run.
+		 */
+		if (warmup) {
+			warmup = false;
+			continue;
+		}
+
+		if (!opts->csv) {
+			if (!only_once)
+				printf(PRETTY_HDR_FMT, "lcore id", "Buf Size",
+						"Burst Size", "Enqueued",
+						"Dequeued", "Enq Retries",
+						"Deq Retries", "Cycles/Op",
+						"Cycles/Enq", "Cycles/Deq");
+			only_once = 1;
+
+			printf(PRETTY_LINE_FMT, state.ctx->lcore_id,
+					opts->test_buffer_size, test_burst_size,
+					state.ops_enqd, state.ops_deqd,
+					state.ops_enq_retries,
+					state.ops_deq_retries,
+					state.cycles_per_build,
+					state.cycles_per_enq,
+					state.cycles_per_deq);
+		} else {
+			if (!only_once)
+				printf(CSV_HDR_FMT, "# lcore id", "Buf Size",
+						"Burst Size", "Enqueued",
+						"Dequeued", "Enq Retries",
+						"Deq Retries", "Cycles/Op",
+						"Cycles/Enq", "Cycles/Deq");
+			only_once = 1;
+
+			printf(CSV_LINE_FMT, state.ctx->lcore_id,
+					opts->test_buffer_size, test_burst_size,
+					state.ops_enqd, state.ops_deqd,
+					state.ops_enq_retries,
+					state.ops_deq_retries,
+					state.cycles_per_build,
+					state.cycles_per_enq,
+					state.cycles_per_deq);
+		}
+
+		/* Get next size from range or list */
+		if (opts->inc_burst_size != 0)
+			test_burst_size += opts->inc_burst_size;
+		else {
+			if (++burst_size_idx == opts->burst_size_count)
+				break;
+			test_burst_size = opts->burst_size_list[burst_size_idx];
+		}
+	}
+
+	return 0;
+}
+
+void
+cperf_pmd_cyclecount_test_destructor(void *arg)
+{
+	struct cperf_pmd_cyclecount_ctx *ctx = arg;
+
+	if (ctx == NULL)
+		return;
+
+	cperf_pmd_cyclecount_test_free(ctx);
+}