Function test_bulk_push_pop

dpdk/app/test/test_stack_perf.c:272–295

Measure the cycle cost of bulk pushing and popping on a single lcore. */

/* Measure the cycle cost of bulk pushing and popping on a single lcore. */
static void
test_bulk_push_pop(struct rte_stack *s)
{
	unsigned int iterations = 8000000;
	void *objs[MAX_BURST];
	unsigned int sz, i;

	for (sz = 0; sz < RTE_DIM(bulk_sizes); sz++) {
		uint64_t start = rte_rdtsc();

		for (i = 0; i < iterations; i++) {
			rte_stack_push(s, objs, bulk_sizes[sz]);
			rte_stack_pop(s, objs, bulk_sizes[sz]);
		}

		uint64_t end = rte_rdtsc();

		double avg = ((double)(end - start) /
			      (iterations * bulk_sizes[sz]));

		printf("Average cycles per object push/pop (bulk size: %u): %.2F\n",
		       bulk_sizes[sz], avg);
	}
}

static int
__test_stack_perf(uint32_t flags)