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Function latency_test_fft

dpdk/app/test-bbdev/test_bbdev_perf.c:5452–5523  ·  view source on GitHub ↗

Source from the content-addressed store, hash-verified

5450
5451
5452static int
5453latency_test_fft(struct rte_mempool *mempool,
5454 struct test_buffers *bufs, struct rte_bbdev_fft_op *ref_op,
5455 uint16_t dev_id, uint16_t queue_id,
5456 const uint16_t num_to_process, uint16_t burst_sz,
5457 uint64_t *total_time, uint64_t *min_time, uint64_t *max_time)
5458{
5459 int ret = TEST_SUCCESS;
5460 uint16_t i, j, dequeued;
5461 struct rte_bbdev_fft_op *ops_enq[MAX_BURST], *ops_deq[MAX_BURST];
5462 uint64_t start_time = 0, last_time = 0;
5463
5464 for (i = 0, dequeued = 0; dequeued < num_to_process; ++i) {
5465 uint16_t enq = 0, deq = 0;
5466 uint32_t time_out = 0;
5467 bool first_time = true;
5468 last_time = 0;
5469
5470 if (unlikely(num_to_process - dequeued < burst_sz))
5471 burst_sz = num_to_process - dequeued;
5472
5473 ret = rte_bbdev_fft_op_alloc_bulk(mempool, ops_enq, burst_sz);
5474 TEST_ASSERT_SUCCESS(ret,
5475 "rte_bbdev_fft_op_alloc_bulk() failed");
5476 if (test_vector.op_type != RTE_BBDEV_OP_NONE)
5477 copy_reference_fft_op(ops_enq, burst_sz, dequeued,
5478 bufs->inputs,
5479 bufs->hard_outputs, bufs->soft_outputs, bufs->harq_inputs,
5480 ref_op);
5481
5482 /* Set counter to validate the ordering */
5483 for (j = 0; j < burst_sz; ++j)
5484 ops_enq[j]->opaque_data = (void *)(uintptr_t)j;
5485
5486 start_time = rte_rdtsc_precise();
5487
5488 enq = rte_bbdev_enqueue_fft_ops(dev_id, queue_id,
5489 &ops_enq[enq], burst_sz);
5490 TEST_ASSERT(enq == burst_sz,
5491 "Error enqueueing burst, expected %u, got %u",
5492 burst_sz, enq);
5493
5494 /* Dequeue */
5495 do {
5496 deq += rte_bbdev_dequeue_fft_ops(dev_id, queue_id,
5497 &ops_deq[deq], burst_sz - deq);
5498 if (likely(first_time && (deq > 0))) {
5499 last_time += rte_rdtsc_precise() - start_time;
5500 first_time = false;
5501 }
5502 time_out++;
5503 if (time_out >= TIME_OUT_POLL) {
5504 timeout_exit(dev_id);
5505 TEST_ASSERT_SUCCESS(TEST_FAILED, "Dequeue timeout!");
5506 }
5507 } while (unlikely(burst_sz != deq));
5508
5509 *max_time = RTE_MAX(*max_time, last_time);

Callers 1

validation_latency_testFunction · 0.85

Calls 8

copy_reference_fft_opFunction · 0.85
timeout_exitFunction · 0.85
validate_fft_opFunction · 0.85
rte_rdtsc_preciseFunction · 0.50

Tested by

no test coverage detected