Hi Konstantin,
It looks fine overall, few comments inline.
> Subject: [PATCH] test/ring: add stress test for ST peek API
>
> Introduce new test case to test ST peek API.
>
> Signed-off-by: Konstantin Ananyev
> ---
>
> This patch depends on the following patch:
> "ring: fix error vlaue of tail in the peek API for ST mode"
> (http://patches.dpdk.org/patch/72374/)
> to run successfully.
>
> app/test/Makefile | 1 +
> app/test/meson.build| 1 +
> app/test/test_ring_st_peek_stress.c | 54 +
> app/test/test_ring_stress.c | 3 ++
> app/test/test_ring_stress.h | 1 +
> 5 files changed, 60 insertions(+)
> create mode 100644 app/test/test_ring_st_peek_stress.c
>
> diff --git a/app/test/Makefile b/app/test/Makefile index
> 7b96a03a6..37bdaf891 100644
> --- a/app/test/Makefile
> +++ b/app/test/Makefile
> @@ -83,6 +83,7 @@ SRCS-y += test_ring_hts_stress.c SRCS-y +=
> test_ring_perf.c SRCS-y += test_ring_peek_stress.c SRCS-y +=
> test_ring_rts_stress.c
> +SRCS-y += test_ring_st_peek_stress.c
> SRCS-y += test_ring_stress.c
> SRCS-y += test_pmd_perf.c
>
> diff --git a/app/test/meson.build b/app/test/meson.build index
> 5233ead46..4ec7da6b2 100644
> --- a/app/test/meson.build
> +++ b/app/test/meson.build
> @@ -108,6 +108,7 @@ test_sources = files('commands.c',
> 'test_ring_peek_stress.c',
> 'test_ring_perf.c',
> 'test_ring_rts_stress.c',
> + 'test_ring_st_peek_stress.c',
I think we should rename test_ring_peek_stress.c to
test_ring_mpmc_hts_peek_stress.c to be consistent with this?
> 'test_ring_stress.c',
> 'test_rwlock.c',
> 'test_sched.c',
> diff --git a/app/test/test_ring_st_peek_stress.c
> b/app/test/test_ring_st_peek_stress.c
> new file mode 100644
> index 0..bc573de47
> --- /dev/null
> +++ b/app/test/test_ring_st_peek_stress.c
> @@ -0,0 +1,54 @@
> +/* SPDX-License-Identifier: BSD-3-Clause
> + * Copyright(c) 2020 Intel Corporation
> + */
> +
> +#include "test_ring_stress_impl.h"
> +#include
> +
> +static inline uint32_t
> +_st_ring_dequeue_bulk(struct rte_ring *r, void **obj, uint32_t n,
> + uint32_t *avail)
> +{
> + uint32_t m;
> +
> + static rte_spinlock_t lck = RTE_SPINLOCK_INITIALIZER;
> +
> + rte_spinlock_lock(&lck);
> +
> + m = rte_ring_dequeue_bulk_start(r, obj, n, avail);
> + n = (m == n) ? n : 0;
> + rte_ring_dequeue_finish(r, n);
> +
> + rte_spinlock_unlock(&lck);
> + return n;
> +}
> +
> +static inline uint32_t
> +_st_ring_enqueue_bulk(struct rte_ring *r, void * const *obj, uint32_t n,
> + uint32_t *free)
> +{
> + uint32_t m;
> +
> + static rte_spinlock_t lck = RTE_SPINLOCK_INITIALIZER;
> +
> + rte_spinlock_lock(&lck);
> +
> + m = rte_ring_enqueue_bulk_start(r, n, free);
> + n = (m == n) ? n : 0;
> + rte_ring_enqueue_finish(r, obj, n);
> +
> + rte_spinlock_unlock(&lck);
> + return n;
> +}
> +
> +static int
> +_st_ring_init(struct rte_ring *r, const char *name, uint32_t num) {
> + return rte_ring_init(r, name, num, RING_F_SP_ENQ |
> RING_F_SC_DEQ); }
> +
> +const struct test test_ring_st_peek_stress = {
> + .name = "ST_PEEK",
> + .nb_case = RTE_DIM(tests),
> + .cases = tests,
> +};
> diff --git a/app/test/test_ring_stress.c b/app/test/test_ring_stress.c index
> 853fcc190..387cfa747 100644
> --- a/app/test/test_ring_stress.c
> +++ b/app/test/test_ring_stress.c
> @@ -49,6 +49,9 @@ test_ring_stress(void)
> n += test_ring_peek_stress.nb_case;
> k += run_test(&test_ring_peek_stress);
>
> + n += test_ring_st_peek_stress.nb_case;
> + k += run_test(&test_ring_st_peek_stress);
> +
> printf("Number of tests:\t%u\nSuccess:\t%u\nFailed:\t%u\n",
> n, k, n - k);
> return (k != n);
> diff --git a/app/test/test_ring_stress.h b/app/test/test_ring_stress.h index
> 60953ce47..a9a390341 100644
> --- a/app/test/test_ring_stress.h
> +++ b/app/test/test_ring_stress.h
> @@ -36,3 +36,4 @@ extern const struct test test_ring_mpmc_stress; extern
> const struct test test_ring_rts_stress; extern const struct test
> test_ring_hts_stress; extern const struct test test_ring_peek_stress;
> +extern const struct test test_ring_st_peek_stress;
> --
> 2.17.1
