>
> Add test cases to test rte_ring_xxx_elem APIs for single
> element enqueue/dequeue test cases.
>
> Signed-off-by: Honnappa Nagarahalli <honnappa.nagaraha...@arm.com>
> Reviewed-by: Gavin Hu <gavin...@arm.com>
> ---
> app/test/test_ring_perf.c | 100 ++++++++++++++++++++++++++++++--------
> 1 file changed, 80 insertions(+), 20 deletions(-)
>
> diff --git a/app/test/test_ring_perf.c b/app/test/test_ring_perf.c
> index 6c2aca483..5829718c1 100644
> --- a/app/test/test_ring_perf.c
> +++ b/app/test/test_ring_perf.c
> @@ -13,6 +13,7 @@
> #include <string.h>
>
> #include "test.h"
> +#include "test_ring.h"
>
> /*
> * Ring
> @@ -41,6 +42,35 @@ struct lcore_pair {
>
> static volatile unsigned lcore_count = 0;
>
> +static void
> +test_ring_print_test_string(unsigned int api_type, int esize,
> + unsigned int bsz, double value)
> +{
> + if (esize == -1)
> + printf("legacy APIs");
> + else
> + printf("elem APIs: element size %dB", esize);
> +
> + if (api_type == TEST_RING_IGNORE_API_TYPE)
> + return;
> +
> + if ((api_type & TEST_RING_N) == TEST_RING_N)
> + printf(": default enqueue/dequeue: ");
> + else if ((api_type & TEST_RING_S) == TEST_RING_S)
> + printf(": SP/SC: ");
> + else if ((api_type & TEST_RING_M) == TEST_RING_M)
> + printf(": MP/MC: ");
> +
> + if ((api_type & TEST_RING_SL) == TEST_RING_SL)
> + printf("single: ");
> + else if ((api_type & TEST_RING_BL) == TEST_RING_BL)
> + printf("bulk (size: %u): ", bsz);
> + else if ((api_type & TEST_RING_BR) == TEST_RING_BR)
> + printf("burst (size: %u): ", bsz);
> +
> + printf("%.2F\n", value);
> +}
> +
> /**** Functions to analyse our core mask to get cores for different tests
> ***/
>
> static int
> @@ -335,32 +365,35 @@ run_on_all_cores(struct rte_ring *r)
> * Test function that determines how long an enqueue + dequeue of a single
> item
> * takes on a single lcore. Result is for comparison with the bulk enq+deq.
> */
> -static void
> -test_single_enqueue_dequeue(struct rte_ring *r)
> +static int
> +test_single_enqueue_dequeue(struct rte_ring *r, const int esize,
> + const unsigned int api_type)
> {
> - const unsigned iter_shift = 24;
> - const unsigned iterations = 1<<iter_shift;
> - unsigned i = 0;
> + int ret;
> + const unsigned int iter_shift = 24;
> + const unsigned int iterations = 1 << iter_shift;
> + unsigned int i = 0;
> void *burst = NULL;
>
> - const uint64_t sc_start = rte_rdtsc();
> - for (i = 0; i < iterations; i++) {
> - rte_ring_sp_enqueue(r, burst);
> - rte_ring_sc_dequeue(r, &burst);
> - }
> - const uint64_t sc_end = rte_rdtsc();
> + (void)ret;
Here, and in few other places, looks redundant.
> + /* alloc dummy object pointers */
> + burst = test_ring_calloc(1, esize);
> + if (burst == NULL)
> + return -1;
>
> - const uint64_t mc_start = rte_rdtsc();
> + const uint64_t start = rte_rdtsc();
> for (i = 0; i < iterations; i++) {
> - rte_ring_mp_enqueue(r, burst);
> - rte_ring_mc_dequeue(r, &burst);
> + TEST_RING_ENQUEUE(r, burst, esize, 1, ret, api_type);
> + TEST_RING_DEQUEUE(r, burst, esize, 1, ret, api_type);
> }
> - const uint64_t mc_end = rte_rdtsc();
> + const uint64_t end = rte_rdtsc();
> +
> + test_ring_print_test_string(api_type, esize, 1,
> + ((double)(end - start)) / iterations);
> +
> + rte_free(burst);
>
> - printf("SP/SC single enq/dequeue: %.2F\n",
> - ((double)(sc_end-sc_start)) / iterations);
> - printf("MP/MC single enq/dequeue: %.2F\n",
> - ((double)(mc_end-mc_start)) / iterations);
> + return 0;
> }
>
> /*
