From: Kamil Chalupnik Date: Wed, 9 May 2018 14:30:02 +0000 (+0200) Subject: bbdev: measure offload cost X-Git-Url: http://git.droids-corp.org/?a=commitdiff_plain;h=864edd6935124c8b1cfceba726b9be715d45be90;p=dpdk.git bbdev: measure offload cost New test created to measure offload cost. Changes were introduced in API, turbo software driver and test application Signed-off-by: Kamil Chalupnik Acked-by: Amr Mokhtar --- diff --git a/app/test-bbdev/test_bbdev_perf.c b/app/test-bbdev/test_bbdev_perf.c index f358083c66..ca162d9af5 100644 --- a/app/test-bbdev/test_bbdev_perf.c +++ b/app/test-bbdev/test_bbdev_perf.c @@ -84,6 +84,30 @@ struct thread_params { struct test_op_params *op_params; }; +#ifdef RTE_BBDEV_OFFLOAD_COST +/* Stores time statistics */ +struct test_time_stats { + /* Stores software enqueue total working time */ + uint64_t enq_sw_tot_time; + /* Stores minimum value of software enqueue working time */ + uint64_t enq_sw_min_time; + /* Stores maximum value of software enqueue working time */ + uint64_t enq_sw_max_time; + /* Stores turbo enqueue total working time */ + uint64_t enq_tur_tot_time; + /* Stores minimum value of turbo enqueue working time */ + uint64_t enq_tur_min_time; + /* Stores maximum value of turbo enqueue working time */ + uint64_t enq_tur_max_time; + /* Stores dequeue total working time */ + uint64_t deq_tot_time; + /* Stores minimum value of dequeue working time */ + uint64_t deq_min_time; + /* Stores maximum value of dequeue working time */ + uint64_t deq_max_time; +}; +#endif + typedef int (test_case_function)(struct active_device *ad, struct test_op_params *op_params); @@ -1144,7 +1168,6 @@ dequeue_event_callback(uint16_t dev_id, double in_len; struct thread_params *tp = cb_arg; - RTE_SET_USED(ret_param); queue_id = tp->queue_id; @@ -1689,20 +1712,21 @@ throughput_test(struct active_device *ad, } static int -operation_latency_test_dec(struct rte_mempool *mempool, +latency_test_dec(struct rte_mempool *mempool, struct test_buffers *bufs, struct rte_bbdev_dec_op *ref_op, int vector_mask, uint16_t dev_id, uint16_t queue_id, const uint16_t num_to_process, uint16_t burst_sz, - uint64_t *total_time) + uint64_t *total_time, uint64_t *min_time, uint64_t *max_time) { int ret = TEST_SUCCESS; uint16_t i, j, dequeued; struct rte_bbdev_dec_op *ops_enq[MAX_BURST], *ops_deq[MAX_BURST]; - uint64_t start_time = 0; + uint64_t start_time = 0, last_time = 0; for (i = 0, dequeued = 0; dequeued < num_to_process; ++i) { uint16_t enq = 0, deq = 0; bool first_time = true; + last_time = 0; if (unlikely(num_to_process - dequeued < burst_sz)) burst_sz = num_to_process - dequeued; @@ -1732,11 +1756,15 @@ operation_latency_test_dec(struct rte_mempool *mempool, deq += rte_bbdev_dequeue_dec_ops(dev_id, queue_id, &ops_deq[deq], burst_sz - deq); if (likely(first_time && (deq > 0))) { - *total_time += rte_rdtsc_precise() - start_time; + last_time = rte_rdtsc_precise() - start_time; first_time = false; } } while (unlikely(burst_sz != deq)); + *max_time = RTE_MAX(*max_time, last_time); + *min_time = RTE_MIN(*min_time, last_time); + *total_time += last_time; + if (test_vector.op_type != RTE_BBDEV_OP_NONE) { ret = validate_dec_op(ops_deq, burst_sz, ref_op, vector_mask); @@ -1751,20 +1779,21 @@ operation_latency_test_dec(struct rte_mempool *mempool, } static int -operation_latency_test_enc(struct rte_mempool *mempool, +latency_test_enc(struct rte_mempool *mempool, struct test_buffers *bufs, struct rte_bbdev_enc_op *ref_op, uint16_t dev_id, uint16_t queue_id, const uint16_t num_to_process, uint16_t burst_sz, - uint64_t *total_time) + uint64_t *total_time, uint64_t *min_time, uint64_t *max_time) { int ret = TEST_SUCCESS; uint16_t i, j, dequeued; struct rte_bbdev_enc_op *ops_enq[MAX_BURST], *ops_deq[MAX_BURST]; - uint64_t start_time = 0; + uint64_t start_time = 0, last_time = 0; for (i = 0, dequeued = 0; dequeued < num_to_process; ++i) { uint16_t enq = 0, deq = 0; bool first_time = true; + last_time = 0; if (unlikely(num_to_process - dequeued < burst_sz)) burst_sz = num_to_process - dequeued; @@ -1793,11 +1822,15 @@ operation_latency_test_enc(struct rte_mempool *mempool, deq += rte_bbdev_dequeue_enc_ops(dev_id, queue_id, &ops_deq[deq], burst_sz - deq); if (likely(first_time && (deq > 0))) { - *total_time += rte_rdtsc_precise() - start_time; + last_time += rte_rdtsc_precise() - start_time; first_time = false; } } while (unlikely(burst_sz != deq)); + *max_time = RTE_MAX(*max_time, last_time); + *min_time = RTE_MIN(*min_time, last_time); + *total_time += last_time; + if (test_vector.op_type != RTE_BBDEV_OP_NONE) { ret = validate_enc_op(ops_deq, burst_sz, ref_op); TEST_ASSERT_SUCCESS(ret, "Validation failed!"); @@ -1811,7 +1844,7 @@ operation_latency_test_enc(struct rte_mempool *mempool, } static int -operation_latency_test(struct active_device *ad, +latency_test(struct active_device *ad, struct test_op_params *op_params) { int iter; @@ -1821,9 +1854,12 @@ operation_latency_test(struct active_device *ad, const uint16_t queue_id = ad->queue_ids[0]; struct test_buffers *bufs = NULL; struct rte_bbdev_info info; - uint64_t total_time = 0; + uint64_t total_time, min_time, max_time; const char *op_type_str; + total_time = max_time = 0; + min_time = UINT64_MAX; + TEST_ASSERT_SUCCESS((burst_sz > MAX_BURST), "BURST_SIZE should be <= %u", MAX_BURST); @@ -1838,36 +1874,66 @@ operation_latency_test(struct active_device *ad, info.dev_name, burst_sz, num_to_process, op_type_str); if (op_type == RTE_BBDEV_OP_TURBO_DEC) - iter = operation_latency_test_dec(op_params->mp, bufs, + iter = latency_test_dec(op_params->mp, bufs, op_params->ref_dec_op, op_params->vector_mask, ad->dev_id, queue_id, num_to_process, - burst_sz, &total_time); + burst_sz, &total_time, &min_time, &max_time); else - iter = operation_latency_test_enc(op_params->mp, bufs, + iter = latency_test_enc(op_params->mp, bufs, op_params->ref_enc_op, ad->dev_id, queue_id, - num_to_process, burst_sz, &total_time); + num_to_process, burst_sz, &total_time, + &min_time, &max_time); if (iter <= 0) return TEST_FAILED; - printf("\toperation avg. latency: %lg cycles, %lg us\n", + printf("\toperation latency:\n" + "\t\tavg latency: %lg cycles, %lg us\n" + "\t\tmin latency: %lg cycles, %lg us\n" + "\t\tmax latency: %lg cycles, %lg us\n", (double)total_time / (double)iter, (double)(total_time * 1000000) / (double)iter / + (double)rte_get_tsc_hz(), (double)min_time, + (double)(min_time * 1000000) / (double)rte_get_tsc_hz(), + (double)max_time, (double)(max_time * 1000000) / (double)rte_get_tsc_hz()); return TEST_SUCCESS; } +#ifdef RTE_BBDEV_OFFLOAD_COST +static int +get_bbdev_queue_stats(uint16_t dev_id, uint16_t queue_id, + struct rte_bbdev_stats *stats) +{ + struct rte_bbdev *dev = &rte_bbdev_devices[dev_id]; + struct rte_bbdev_stats *q_stats; + + if (queue_id >= dev->data->num_queues) + return -1; + + q_stats = &dev->data->queues[queue_id].queue_stats; + + stats->enqueued_count = q_stats->enqueued_count; + stats->dequeued_count = q_stats->dequeued_count; + stats->enqueue_err_count = q_stats->enqueue_err_count; + stats->dequeue_err_count = q_stats->dequeue_err_count; + stats->offload_time = q_stats->offload_time; + + return 0; +} + static int offload_latency_test_dec(struct rte_mempool *mempool, struct test_buffers *bufs, struct rte_bbdev_dec_op *ref_op, uint16_t dev_id, uint16_t queue_id, const uint16_t num_to_process, - uint16_t burst_sz, uint64_t *enq_total_time, - uint64_t *deq_total_time) + uint16_t burst_sz, struct test_time_stats *time_st) { - int i, dequeued; + int i, dequeued, ret; struct rte_bbdev_dec_op *ops_enq[MAX_BURST], *ops_deq[MAX_BURST]; uint64_t enq_start_time, deq_start_time; + uint64_t enq_sw_last_time, deq_last_time; + struct rte_bbdev_stats stats; for (i = 0, dequeued = 0; dequeued < num_to_process; ++i) { uint16_t enq = 0, deq = 0; @@ -1883,24 +1949,54 @@ offload_latency_test_dec(struct rte_mempool *mempool, struct test_buffers *bufs, bufs->soft_outputs, ref_op); - /* Start time measurment for enqueue function offload latency */ - enq_start_time = rte_rdtsc(); + /* Start time meas for enqueue function offload latency */ + enq_start_time = rte_rdtsc_precise(); do { enq += rte_bbdev_enqueue_dec_ops(dev_id, queue_id, &ops_enq[enq], burst_sz - enq); } while (unlikely(burst_sz != enq)); - *enq_total_time += rte_rdtsc() - enq_start_time; + + ret = get_bbdev_queue_stats(dev_id, queue_id, &stats); + TEST_ASSERT_SUCCESS(ret, + "Failed to get stats for queue (%u) of device (%u)", + queue_id, dev_id); + + enq_sw_last_time = rte_rdtsc_precise() - enq_start_time - + stats.offload_time; + time_st->enq_sw_max_time = RTE_MAX(time_st->enq_sw_max_time, + enq_sw_last_time); + time_st->enq_sw_min_time = RTE_MIN(time_st->enq_sw_min_time, + enq_sw_last_time); + time_st->enq_sw_tot_time += enq_sw_last_time; + + time_st->enq_tur_max_time = RTE_MAX(time_st->enq_tur_max_time, + stats.offload_time); + time_st->enq_tur_min_time = RTE_MIN(time_st->enq_tur_min_time, + stats.offload_time); + time_st->enq_tur_tot_time += stats.offload_time; /* ensure enqueue has been completed */ rte_delay_ms(10); - /* Start time measurment for dequeue function offload latency */ - deq_start_time = rte_rdtsc(); + /* Start time meas for dequeue function offload latency */ + deq_start_time = rte_rdtsc_precise(); + /* Dequeue one operation */ do { + deq += rte_bbdev_dequeue_dec_ops(dev_id, queue_id, + &ops_deq[deq], 1); + } while (unlikely(deq != 1)); + + deq_last_time = rte_rdtsc_precise() - deq_start_time; + time_st->deq_max_time = RTE_MAX(time_st->deq_max_time, + deq_last_time); + time_st->deq_min_time = RTE_MIN(time_st->deq_min_time, + deq_last_time); + time_st->deq_tot_time += deq_last_time; + + /* Dequeue remaining operations if needed*/ + while (burst_sz != deq) deq += rte_bbdev_dequeue_dec_ops(dev_id, queue_id, &ops_deq[deq], burst_sz - deq); - } while (unlikely(burst_sz != deq)); - *deq_total_time += rte_rdtsc() - deq_start_time; rte_bbdev_dec_op_free_bulk(ops_enq, deq); dequeued += deq; @@ -1913,12 +2009,13 @@ static int offload_latency_test_enc(struct rte_mempool *mempool, struct test_buffers *bufs, struct rte_bbdev_enc_op *ref_op, uint16_t dev_id, uint16_t queue_id, const uint16_t num_to_process, - uint16_t burst_sz, uint64_t *enq_total_time, - uint64_t *deq_total_time) + uint16_t burst_sz, struct test_time_stats *time_st) { - int i, dequeued; + int i, dequeued, ret; struct rte_bbdev_enc_op *ops_enq[MAX_BURST], *ops_deq[MAX_BURST]; uint64_t enq_start_time, deq_start_time; + uint64_t enq_sw_last_time, deq_last_time; + struct rte_bbdev_stats stats; for (i = 0, dequeued = 0; dequeued < num_to_process; ++i) { uint16_t enq = 0, deq = 0; @@ -1933,24 +2030,53 @@ offload_latency_test_enc(struct rte_mempool *mempool, struct test_buffers *bufs, bufs->hard_outputs, ref_op); - /* Start time measurment for enqueue function offload latency */ - enq_start_time = rte_rdtsc(); + /* Start time meas for enqueue function offload latency */ + enq_start_time = rte_rdtsc_precise(); do { enq += rte_bbdev_enqueue_enc_ops(dev_id, queue_id, &ops_enq[enq], burst_sz - enq); } while (unlikely(burst_sz != enq)); - *enq_total_time += rte_rdtsc() - enq_start_time; + + ret = get_bbdev_queue_stats(dev_id, queue_id, &stats); + TEST_ASSERT_SUCCESS(ret, + "Failed to get stats for queue (%u) of device (%u)", + queue_id, dev_id); + + enq_sw_last_time = rte_rdtsc_precise() - enq_start_time - + stats.offload_time; + time_st->enq_sw_max_time = RTE_MAX(time_st->enq_sw_max_time, + enq_sw_last_time); + time_st->enq_sw_min_time = RTE_MIN(time_st->enq_sw_min_time, + enq_sw_last_time); + time_st->enq_sw_tot_time += enq_sw_last_time; + + time_st->enq_tur_max_time = RTE_MAX(time_st->enq_tur_max_time, + stats.offload_time); + time_st->enq_tur_min_time = RTE_MIN(time_st->enq_tur_min_time, + stats.offload_time); + time_st->enq_tur_tot_time += stats.offload_time; /* ensure enqueue has been completed */ rte_delay_ms(10); - /* Start time measurment for dequeue function offload latency */ - deq_start_time = rte_rdtsc(); + /* Start time meas for dequeue function offload latency */ + deq_start_time = rte_rdtsc_precise(); + /* Dequeue one operation */ do { + deq += rte_bbdev_dequeue_enc_ops(dev_id, queue_id, + &ops_deq[deq], 1); + } while (unlikely(deq != 1)); + + deq_last_time = rte_rdtsc_precise() - deq_start_time; + time_st->deq_max_time = RTE_MAX(time_st->deq_max_time, + deq_last_time); + time_st->deq_min_time = RTE_MIN(time_st->deq_min_time, + deq_last_time); + time_st->deq_tot_time += deq_last_time; + + while (burst_sz != deq) deq += rte_bbdev_dequeue_enc_ops(dev_id, queue_id, &ops_deq[deq], burst_sz - deq); - } while (unlikely(burst_sz != deq)); - *deq_total_time += rte_rdtsc() - deq_start_time; rte_bbdev_enc_op_free_bulk(ops_enq, deq); dequeued += deq; @@ -1958,13 +2084,20 @@ offload_latency_test_enc(struct rte_mempool *mempool, struct test_buffers *bufs, return i; } +#endif static int -offload_latency_test(struct active_device *ad, +offload_cost_test(struct active_device *ad, struct test_op_params *op_params) { +#ifndef RTE_BBDEV_OFFLOAD_COST + RTE_SET_USED(ad); + RTE_SET_USED(op_params); + printf("Offload latency test is disabled.\n"); + printf("Set RTE_BBDEV_OFFLOAD_COST to 'y' to turn the test on.\n"); + return TEST_SKIPPED; +#else int iter; - uint64_t enq_total_time = 0, deq_total_time = 0; uint16_t burst_sz = op_params->burst_sz; const uint16_t num_to_process = op_params->num_to_process; const enum rte_bbdev_op_type op_type = test_vector.op_type; @@ -1972,6 +2105,12 @@ offload_latency_test(struct active_device *ad, struct test_buffers *bufs = NULL; struct rte_bbdev_info info; const char *op_type_str; + struct test_time_stats time_st; + + memset(&time_st, 0, sizeof(struct test_time_stats)); + time_st.enq_sw_min_time = UINT64_MAX; + time_st.enq_tur_min_time = UINT64_MAX; + time_st.deq_min_time = UINT64_MAX; TEST_ASSERT_SUCCESS((burst_sz > MAX_BURST), "BURST_SIZE should be <= %u", MAX_BURST); @@ -1989,48 +2128,82 @@ offload_latency_test(struct active_device *ad, if (op_type == RTE_BBDEV_OP_TURBO_DEC) iter = offload_latency_test_dec(op_params->mp, bufs, op_params->ref_dec_op, ad->dev_id, queue_id, - num_to_process, burst_sz, &enq_total_time, - &deq_total_time); + num_to_process, burst_sz, &time_st); else iter = offload_latency_test_enc(op_params->mp, bufs, op_params->ref_enc_op, ad->dev_id, queue_id, - num_to_process, burst_sz, &enq_total_time, - &deq_total_time); + num_to_process, burst_sz, &time_st); if (iter <= 0) return TEST_FAILED; - printf("\tenq offload avg. latency: %lg cycles, %lg us\n", - (double)enq_total_time / (double)iter, - (double)(enq_total_time * 1000000) / (double)iter / - (double)rte_get_tsc_hz()); - - printf("\tdeq offload avg. latency: %lg cycles, %lg us\n", - (double)deq_total_time / (double)iter, - (double)(deq_total_time * 1000000) / (double)iter / - (double)rte_get_tsc_hz()); + printf("\tenq offload cost latency:\n" + "\t\tsoftware avg %lg cycles, %lg us\n" + "\t\tsoftware min %lg cycles, %lg us\n" + "\t\tsoftware max %lg cycles, %lg us\n" + "\t\tturbo avg %lg cycles, %lg us\n" + "\t\tturbo min %lg cycles, %lg us\n" + "\t\tturbo max %lg cycles, %lg us\n", + (double)time_st.enq_sw_tot_time / (double)iter, + (double)(time_st.enq_sw_tot_time * 1000000) / + (double)iter / (double)rte_get_tsc_hz(), + (double)time_st.enq_sw_min_time, + (double)(time_st.enq_sw_min_time * 1000000) / + rte_get_tsc_hz(), (double)time_st.enq_sw_max_time, + (double)(time_st.enq_sw_max_time * 1000000) / + rte_get_tsc_hz(), (double)time_st.enq_tur_tot_time / + (double)iter, + (double)(time_st.enq_tur_tot_time * 1000000) / + (double)iter / (double)rte_get_tsc_hz(), + (double)time_st.enq_tur_min_time, + (double)(time_st.enq_tur_min_time * 1000000) / + rte_get_tsc_hz(), (double)time_st.enq_tur_max_time, + (double)(time_st.enq_tur_max_time * 1000000) / + rte_get_tsc_hz()); + + printf("\tdeq offload cost latency - one op:\n" + "\t\tavg %lg cycles, %lg us\n" + "\t\tmin %lg cycles, %lg us\n" + "\t\tmax %lg cycles, %lg us\n", + (double)time_st.deq_tot_time / (double)iter, + (double)(time_st.deq_tot_time * 1000000) / + (double)iter / (double)rte_get_tsc_hz(), + (double)time_st.deq_min_time, + (double)(time_st.deq_min_time * 1000000) / + rte_get_tsc_hz(), (double)time_st.deq_max_time, + (double)(time_st.deq_max_time * 1000000) / + rte_get_tsc_hz()); return TEST_SUCCESS; +#endif } +#ifdef RTE_BBDEV_OFFLOAD_COST static int offload_latency_empty_q_test_dec(uint16_t dev_id, uint16_t queue_id, const uint16_t num_to_process, uint16_t burst_sz, - uint64_t *deq_total_time) + uint64_t *deq_tot_time, uint64_t *deq_min_time, + uint64_t *deq_max_time) { int i, deq_total; struct rte_bbdev_dec_op *ops[MAX_BURST]; - uint64_t deq_start_time; + uint64_t deq_start_time, deq_last_time; /* Test deq offload latency from an empty queue */ - deq_start_time = rte_rdtsc_precise(); + for (i = 0, deq_total = 0; deq_total < num_to_process; ++i, deq_total += burst_sz) { + deq_start_time = rte_rdtsc_precise(); + if (unlikely(num_to_process - deq_total < burst_sz)) burst_sz = num_to_process - deq_total; rte_bbdev_dequeue_dec_ops(dev_id, queue_id, ops, burst_sz); + + deq_last_time = rte_rdtsc_precise() - deq_start_time; + *deq_max_time = RTE_MAX(*deq_max_time, deq_last_time); + *deq_min_time = RTE_MIN(*deq_min_time, deq_last_time); + *deq_tot_time += deq_last_time; } - *deq_total_time = rte_rdtsc_precise() - deq_start_time; return i; } @@ -2038,31 +2211,45 @@ offload_latency_empty_q_test_dec(uint16_t dev_id, uint16_t queue_id, static int offload_latency_empty_q_test_enc(uint16_t dev_id, uint16_t queue_id, const uint16_t num_to_process, uint16_t burst_sz, - uint64_t *deq_total_time) + uint64_t *deq_tot_time, uint64_t *deq_min_time, + uint64_t *deq_max_time) { int i, deq_total; struct rte_bbdev_enc_op *ops[MAX_BURST]; - uint64_t deq_start_time; + uint64_t deq_start_time, deq_last_time; /* Test deq offload latency from an empty queue */ - deq_start_time = rte_rdtsc_precise(); for (i = 0, deq_total = 0; deq_total < num_to_process; ++i, deq_total += burst_sz) { + deq_start_time = rte_rdtsc_precise(); + if (unlikely(num_to_process - deq_total < burst_sz)) burst_sz = num_to_process - deq_total; rte_bbdev_dequeue_enc_ops(dev_id, queue_id, ops, burst_sz); + + deq_last_time = rte_rdtsc_precise() - deq_start_time; + *deq_max_time = RTE_MAX(*deq_max_time, deq_last_time); + *deq_min_time = RTE_MIN(*deq_min_time, deq_last_time); + *deq_tot_time += deq_last_time; } - *deq_total_time = rte_rdtsc_precise() - deq_start_time; return i; } +#endif static int offload_latency_empty_q_test(struct active_device *ad, struct test_op_params *op_params) { +#ifndef RTE_BBDEV_OFFLOAD_COST + RTE_SET_USED(ad); + RTE_SET_USED(op_params); + printf("Offload latency empty dequeue test is disabled.\n"); + printf("Set RTE_BBDEV_OFFLOAD_COST to 'y' to turn the test on.\n"); + return TEST_SKIPPED; +#else int iter; - uint64_t deq_total_time = 0; + uint64_t deq_tot_time, deq_min_time, deq_max_time; uint16_t burst_sz = op_params->burst_sz; const uint16_t num_to_process = op_params->num_to_process; const enum rte_bbdev_op_type op_type = test_vector.op_type; @@ -2070,6 +2257,9 @@ offload_latency_empty_q_test(struct active_device *ad, struct rte_bbdev_info info; const char *op_type_str; + deq_tot_time = deq_max_time = 0; + deq_min_time = UINT64_MAX; + TEST_ASSERT_SUCCESS((burst_sz > MAX_BURST), "BURST_SIZE should be <= %u", MAX_BURST); @@ -2084,20 +2274,29 @@ offload_latency_empty_q_test(struct active_device *ad, if (op_type == RTE_BBDEV_OP_TURBO_DEC) iter = offload_latency_empty_q_test_dec(ad->dev_id, queue_id, - num_to_process, burst_sz, &deq_total_time); + num_to_process, burst_sz, &deq_tot_time, + &deq_min_time, &deq_max_time); else iter = offload_latency_empty_q_test_enc(ad->dev_id, queue_id, - num_to_process, burst_sz, &deq_total_time); + num_to_process, burst_sz, &deq_tot_time, + &deq_min_time, &deq_max_time); if (iter <= 0) return TEST_FAILED; - printf("\tempty deq offload avg. latency: %lg cycles, %lg us\n", - (double)deq_total_time / (double)iter, - (double)(deq_total_time * 1000000) / (double)iter / - (double)rte_get_tsc_hz()); + printf("\tempty deq offload\n" + "\t\tavg. latency: %lg cycles, %lg us\n" + "\t\tmin. latency: %lg cycles, %lg us\n" + "\t\tmax. latency: %lg cycles, %lg us\n", + (double)deq_tot_time / (double)iter, + (double)(deq_tot_time * 1000000) / (double)iter / + (double)rte_get_tsc_hz(), (double)deq_min_time, + (double)(deq_min_time * 1000000) / rte_get_tsc_hz(), + (double)deq_max_time, (double)(deq_max_time * 1000000) / + rte_get_tsc_hz()); return TEST_SUCCESS; +#endif } static int @@ -2107,9 +2306,9 @@ throughput_tc(void) } static int -offload_latency_tc(void) +offload_cost_tc(void) { - return run_test_case(offload_latency_test); + return run_test_case(offload_cost_test); } static int @@ -2119,9 +2318,9 @@ offload_latency_empty_q_tc(void) } static int -operation_latency_tc(void) +latency_tc(void) { - return run_test_case(operation_latency_test); + return run_test_case(latency_test); } static int @@ -2145,7 +2344,7 @@ static struct unit_test_suite bbdev_validation_testsuite = { .setup = testsuite_setup, .teardown = testsuite_teardown, .unit_test_cases = { - TEST_CASE_ST(ut_setup, ut_teardown, operation_latency_tc), + TEST_CASE_ST(ut_setup, ut_teardown, latency_tc), TEST_CASES_END() /**< NULL terminate unit test array */ } }; @@ -2155,9 +2354,18 @@ static struct unit_test_suite bbdev_latency_testsuite = { .setup = testsuite_setup, .teardown = testsuite_teardown, .unit_test_cases = { - TEST_CASE_ST(ut_setup, ut_teardown, offload_latency_tc), + TEST_CASE_ST(ut_setup, ut_teardown, latency_tc), + TEST_CASES_END() /**< NULL terminate unit test array */ + } +}; + +static struct unit_test_suite bbdev_offload_cost_testsuite = { + .suite_name = "BBdev Offload Cost Tests", + .setup = testsuite_setup, + .teardown = testsuite_teardown, + .unit_test_cases = { + TEST_CASE_ST(ut_setup, ut_teardown, offload_cost_tc), TEST_CASE_ST(ut_setup, ut_teardown, offload_latency_empty_q_tc), - TEST_CASE_ST(ut_setup, ut_teardown, operation_latency_tc), TEST_CASES_END() /**< NULL terminate unit test array */ } }; @@ -2175,4 +2383,5 @@ static struct unit_test_suite bbdev_interrupt_testsuite = { REGISTER_TEST_COMMAND(throughput, bbdev_throughput_testsuite); REGISTER_TEST_COMMAND(validation, bbdev_validation_testsuite); REGISTER_TEST_COMMAND(latency, bbdev_latency_testsuite); +REGISTER_TEST_COMMAND(offload, bbdev_offload_cost_testsuite); REGISTER_TEST_COMMAND(interrupt, bbdev_interrupt_testsuite); diff --git a/config/common_base b/config/common_base index 0a5a105714..5ba67d8ef8 100644 --- a/config/common_base +++ b/config/common_base @@ -440,6 +440,7 @@ CONFIG_RTE_PMD_PACKET_PREFETCH=y # CONFIG_RTE_LIBRTE_BBDEV=y CONFIG_RTE_BBDEV_MAX_DEVS=128 +CONFIG_RTE_BBDEV_OFFLOAD_COST=n # # Compile PMD for NULL bbdev device diff --git a/drivers/baseband/turbo_sw/bbdev_turbo_software.c b/drivers/baseband/turbo_sw/bbdev_turbo_software.c index b9bb37ca35..f9fa6dda82 100644 --- a/drivers/baseband/turbo_sw/bbdev_turbo_software.c +++ b/drivers/baseband/turbo_sw/bbdev_turbo_software.c @@ -9,6 +9,7 @@ #include #include #include +#include #include #include @@ -455,7 +456,8 @@ static inline void process_enc_cb(struct turbo_sw_queue *q, struct rte_bbdev_enc_op *op, uint8_t r, uint8_t c, uint16_t k, uint16_t ncb, uint32_t e, struct rte_mbuf *m_in, struct rte_mbuf *m_out, - uint16_t in_offset, uint16_t out_offset, uint16_t total_left) + uint16_t in_offset, uint16_t out_offset, uint16_t total_left, + struct rte_bbdev_stats *q_stats) { int ret; int16_t k_idx; @@ -469,6 +471,11 @@ process_enc_cb(struct turbo_sw_queue *q, struct rte_bbdev_enc_op *op, struct bblib_turbo_encoder_response turbo_resp; struct bblib_rate_match_dl_request rm_req; struct bblib_rate_match_dl_response rm_resp; +#ifdef RTE_BBDEV_OFFLOAD_COST + uint64_t start_time; +#else + RTE_SET_USED(q_stats); +#endif k_idx = compute_idx(k); in = rte_pktmbuf_mtod_offset(m_in, uint8_t *, in_offset); @@ -499,7 +506,13 @@ process_enc_cb(struct turbo_sw_queue *q, struct rte_bbdev_enc_op *op, } crc_resp.data = in; +#ifdef RTE_BBDEV_OFFLOAD_COST + start_time = rte_rdtsc_precise(); +#endif bblib_lte_crc24a_gen(&crc_req, &crc_resp); +#ifdef RTE_BBDEV_OFFLOAD_COST + q_stats->offload_time += rte_rdtsc_precise() - start_time; +#endif } else if (enc->op_flags & RTE_BBDEV_TURBO_CRC_24B_ATTACH) { /* CRC24B */ ret = is_enc_input_valid(k - 24, k_idx, total_left); @@ -525,7 +538,13 @@ process_enc_cb(struct turbo_sw_queue *q, struct rte_bbdev_enc_op *op, } crc_resp.data = in; +#ifdef RTE_BBDEV_OFFLOAD_COST + start_time = rte_rdtsc_precise(); +#endif bblib_lte_crc24b_gen(&crc_req, &crc_resp); +#ifdef RTE_BBDEV_OFFLOAD_COST + q_stats->offload_time += rte_rdtsc_precise() - start_time; +#endif } else { ret = is_enc_input_valid(k, k_idx, total_left); if (ret != 0) { @@ -572,12 +591,21 @@ process_enc_cb(struct turbo_sw_queue *q, struct rte_bbdev_enc_op *op, turbo_resp.output_win_0 = out0; turbo_resp.output_win_1 = out1; turbo_resp.output_win_2 = out2; + +#ifdef RTE_BBDEV_OFFLOAD_COST + start_time = rte_rdtsc_precise(); +#endif + if (bblib_turbo_encoder(&turbo_req, &turbo_resp) != 0) { op->status |= 1 << RTE_BBDEV_DRV_ERROR; rte_bbdev_log(ERR, "Turbo Encoder failed"); return; } +#ifdef RTE_BBDEV_OFFLOAD_COST + q_stats->offload_time += rte_rdtsc_precise() - start_time; +#endif + /* Restore 3 first bytes of next CB if they were overwritten by CRC*/ if (first_3_bytes != 0) *((uint64_t *)&in[(k - 32) >> 3]) = first_3_bytes; @@ -639,6 +667,10 @@ process_enc_cb(struct turbo_sw_queue *q, struct rte_bbdev_enc_op *op, else rm_req.bypass_rvidx = 0; +#ifdef RTE_BBDEV_OFFLOAD_COST + start_time = rte_rdtsc_precise(); +#endif + if (bblib_rate_match_dl(&rm_req, &rm_resp) != 0) { op->status |= 1 << RTE_BBDEV_DRV_ERROR; rte_bbdev_log(ERR, "Rate matching failed"); @@ -651,6 +683,10 @@ process_enc_cb(struct turbo_sw_queue *q, struct rte_bbdev_enc_op *op, mask_id = (e & 7) >> 1; rm_out[out_len - 1] &= mask_out[mask_id]; +#ifdef RTE_BBDEV_OFFLOAD_COST + q_stats->offload_time += rte_rdtsc_precise() - start_time; +#endif + enc->output.length += rm_resp.OutputLen; } else { /* Rate matching is bypassed */ @@ -678,7 +714,8 @@ process_enc_cb(struct turbo_sw_queue *q, struct rte_bbdev_enc_op *op, } static inline void -enqueue_enc_one_op(struct turbo_sw_queue *q, struct rte_bbdev_enc_op *op) +enqueue_enc_one_op(struct turbo_sw_queue *q, struct rte_bbdev_enc_op *op, + struct rte_bbdev_stats *queue_stats) { uint8_t c, r, crc24_bits = 0; uint16_t k, ncb; @@ -733,7 +770,8 @@ enqueue_enc_one_op(struct turbo_sw_queue *q, struct rte_bbdev_enc_op *op) } process_enc_cb(q, op, r, c, k, ncb, e, m_in, - m_out, in_offset, out_offset, total_left); + m_out, in_offset, out_offset, total_left, + queue_stats); /* Update total_left */ total_left -= (k - crc24_bits) >> 3; /* Update offsets for next CBs (if exist) */ @@ -755,12 +793,15 @@ enqueue_enc_one_op(struct turbo_sw_queue *q, struct rte_bbdev_enc_op *op) static inline uint16_t enqueue_enc_all_ops(struct turbo_sw_queue *q, struct rte_bbdev_enc_op **ops, - uint16_t nb_ops) + uint16_t nb_ops, struct rte_bbdev_stats *queue_stats) { uint16_t i; +#ifdef RTE_BBDEV_OFFLOAD_COST + queue_stats->offload_time = 0; +#endif for (i = 0; i < nb_ops; ++i) - enqueue_enc_one_op(q, ops[i]); + enqueue_enc_one_op(q, ops[i], queue_stats); return rte_ring_enqueue_burst(q->processed_pkts, (void **)ops, nb_ops, NULL); @@ -939,6 +980,8 @@ process_dec_cb(struct turbo_sw_queue *q, struct rte_bbdev_dec_op *op, turbo_req.k = k; turbo_req.k_idx = k_idx; turbo_req.max_iter_num = dec->iter_max; + turbo_req.early_term_disable = !check_bit(dec->op_flags, + RTE_BBDEV_TURBO_EARLY_TERMINATION); turbo_resp.ag_buf = q->ag; turbo_resp.cb_buf = q->code_block; turbo_resp.output = out; @@ -1051,7 +1094,7 @@ enqueue_enc_ops(struct rte_bbdev_queue_data *q_data, struct turbo_sw_queue *q = queue; uint16_t nb_enqueued = 0; - nb_enqueued = enqueue_enc_all_ops(q, ops, nb_ops); + nb_enqueued = enqueue_enc_all_ops(q, ops, nb_ops, &q_data->queue_stats); q_data->queue_stats.enqueue_err_count += nb_ops - nb_enqueued; q_data->queue_stats.enqueued_count += nb_enqueued; diff --git a/lib/librte_bbdev/rte_bbdev.h b/lib/librte_bbdev/rte_bbdev.h index 5e7e4954d8..a227366c60 100644 --- a/lib/librte_bbdev/rte_bbdev.h +++ b/lib/librte_bbdev/rte_bbdev.h @@ -239,6 +239,8 @@ struct rte_bbdev_stats { uint64_t enqueue_err_count; /** Total error count on operations dequeued */ uint64_t dequeue_err_count; + /** Offload time */ + uint64_t offload_time; }; /**