* [PATCH v6 1/7] test/ring: fix failure with custom number of lcores [not found] ` <20241021160823.1072-1-konstantin.v.ananyev@yandex.ru> @ 2024-10-21 16:08 ` Konstantin Ananyev 0 siblings, 0 replies; 5+ messages in thread From: Konstantin Ananyev @ 2024-10-21 16:08 UTC (permalink / raw) To: dev Cc: honnappa.nagarahalli, jerinj, hemant.agrawal, drc, ruifeng.wang, mb, eimear.morrissey, stephen, Konstantin Ananyev, stable, Phanendra Vukkisala From: Konstantin Ananyev <konstantin.ananyev@huawei.com> ring_stress_autotest fails to initialize the ring when RTE_MAX_LCORE value is not a number of 2. There is a flaw in calculation required number of elements in the ring. Fix it by aligning number of elements to next power of 2. Fixes: bf28df24e915 ("test/ring: add contention stress test") Cc: stable@dpdk.org Reported-by: Phanendra Vukkisala <pvukkisala@marvell.com> Signed-off-by: Konstantin Ananyev <konstantin.ananyev@huawei.com> --- app/test/test_ring_stress_impl.h | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/app/test/test_ring_stress_impl.h b/app/test/test_ring_stress_impl.h index 8b0bfb11fe..ee5274aeef 100644 --- a/app/test/test_ring_stress_impl.h +++ b/app/test/test_ring_stress_impl.h @@ -297,7 +297,7 @@ mt1_init(struct rte_ring **rng, void **data, uint32_t num) *data = elm; /* alloc ring */ - nr = 2 * num; + nr = rte_align32pow2(2 * num); sz = rte_ring_get_memsize(nr); r = rte_zmalloc(NULL, sz, alignof(typeof(*r))); if (r == NULL) { -- 2.35.3 ^ permalink raw reply [flat|nested] 5+ messages in thread
[parent not found: <20241021174745.1843-1-konstantin.ananyev@huawei.com>]
* [PATCH v6 1/7] test/ring: fix failure with custom number of lcores [not found] ` <20241021174745.1843-1-konstantin.ananyev@huawei.com> @ 2024-10-21 17:47 ` Konstantin Ananyev [not found] ` <20241030212304.104180-1-konstantin.ananyev@huawei.com> 1 sibling, 0 replies; 5+ messages in thread From: Konstantin Ananyev @ 2024-10-21 17:47 UTC (permalink / raw) To: dev Cc: honnappa.nagarahalli, jerinj, hemant.agrawal, drc, ruifeng.wang, mb, eimear.morrissey, stephen, stable, Phanendra Vukkisala ring_stress_autotest fails to initialize the ring when RTE_MAX_LCORE value is not a number of 2. There is a flaw in calculation required number of elements in the ring. Fix it by aligning number of elements to next power of 2. Fixes: bf28df24e915 ("test/ring: add contention stress test") Cc: stable@dpdk.org Reported-by: Phanendra Vukkisala <pvukkisala@marvell.com> Signed-off-by: Konstantin Ananyev <konstantin.ananyev@huawei.com> --- app/test/test_ring_stress_impl.h | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/app/test/test_ring_stress_impl.h b/app/test/test_ring_stress_impl.h index 8b0bfb11fe..ee5274aeef 100644 --- a/app/test/test_ring_stress_impl.h +++ b/app/test/test_ring_stress_impl.h @@ -297,7 +297,7 @@ mt1_init(struct rte_ring **rng, void **data, uint32_t num) *data = elm; /* alloc ring */ - nr = 2 * num; + nr = rte_align32pow2(2 * num); sz = rte_ring_get_memsize(nr); r = rte_zmalloc(NULL, sz, alignof(typeof(*r))); if (r == NULL) { -- 2.35.3 ^ permalink raw reply [flat|nested] 5+ messages in thread
[parent not found: <20241030212304.104180-1-konstantin.ananyev@huawei.com>]
* [PATCH v7 1/7] test/ring: fix failure with custom number of lcores [not found] ` <20241030212304.104180-1-konstantin.ananyev@huawei.com> @ 2024-10-30 21:22 ` Konstantin Ananyev 2024-11-07 11:50 ` Morten Brørup [not found] ` <20241107182429.60406-1-konstantin.ananyev@huawei.com> 1 sibling, 1 reply; 5+ messages in thread From: Konstantin Ananyev @ 2024-10-30 21:22 UTC (permalink / raw) To: dev Cc: honnappa.nagarahalli, jerinj, hemant.agrawal, bruce.richardson, drc, ruifeng.wang, mb, eimear.morrissey, stephen, stable ring_stress_autotest fails to initialize the ring when RTE_MAX_LCORE value is not a number of 2. There is a flaw in calculation required number of elements in the ring. Fix it by aligning number of elements to next power of 2. Fixes: bf28df24e915 ("test/ring: add contention stress test") Cc: stable@dpdk.org Signed-off-by: Konstantin Ananyev <konstantin.ananyev@huawei.com> --- app/test/test_ring_stress_impl.h | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/app/test/test_ring_stress_impl.h b/app/test/test_ring_stress_impl.h index 8b0bfb11fe..ee5274aeef 100644 --- a/app/test/test_ring_stress_impl.h +++ b/app/test/test_ring_stress_impl.h @@ -297,7 +297,7 @@ mt1_init(struct rte_ring **rng, void **data, uint32_t num) *data = elm; /* alloc ring */ - nr = 2 * num; + nr = rte_align32pow2(2 * num); sz = rte_ring_get_memsize(nr); r = rte_zmalloc(NULL, sz, alignof(typeof(*r))); if (r == NULL) { -- 2.35.3 ^ permalink raw reply [flat|nested] 5+ messages in thread
* RE: [PATCH v7 1/7] test/ring: fix failure with custom number of lcores 2024-10-30 21:22 ` [PATCH v7 " Konstantin Ananyev @ 2024-11-07 11:50 ` Morten Brørup 0 siblings, 0 replies; 5+ messages in thread From: Morten Brørup @ 2024-11-07 11:50 UTC (permalink / raw) To: Konstantin Ananyev, dev Cc: honnappa.nagarahalli, jerinj, hemant.agrawal, bruce.richardson, drc, ruifeng.wang, eimear.morrissey, stephen, stable Simple change, Acked-by: Morten Brørup <mb@smartsharesystems.com> ^ permalink raw reply [flat|nested] 5+ messages in thread
[parent not found: <20241107182429.60406-1-konstantin.ananyev@huawei.com>]
* [PATCH v8 1/7] test/ring: fix failure with custom number of lcores [not found] ` <20241107182429.60406-1-konstantin.ananyev@huawei.com> @ 2024-11-07 18:24 ` Konstantin Ananyev 0 siblings, 0 replies; 5+ messages in thread From: Konstantin Ananyev @ 2024-11-07 18:24 UTC (permalink / raw) To: dev Cc: honnappa.nagarahalli, jerinj, hemant.agrawal, bruce.richardson, drc, ruifeng.wang, mb, eimear.morrissey, stephen, stable, Phanendra Vukkisala ring_stress_autotest fails to initialize the ring when RTE_MAX_LCORE value is not a number of 2. There is a flaw in calculation required number of elements in the ring. Fix it by aligning number of elements to next power of 2. Fixes: bf28df24e915 ("test/ring: add contention stress test") Cc: stable@dpdk.org Reported-by: Phanendra Vukkisala <pvukkisala@marvell.com> Signed-off-by: Konstantin Ananyev <konstantin.ananyev@huawei.com> Acked-by: Morten Brørup <mb@smartsharesystems.com> Acked-by: Stephen Hemminger <stephen@networkplumber.org> --- app/test/test_ring_stress_impl.h | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/app/test/test_ring_stress_impl.h b/app/test/test_ring_stress_impl.h index 8b0bfb11fe..ee5274aeef 100644 --- a/app/test/test_ring_stress_impl.h +++ b/app/test/test_ring_stress_impl.h @@ -297,7 +297,7 @@ mt1_init(struct rte_ring **rng, void **data, uint32_t num) *data = elm; /* alloc ring */ - nr = 2 * num; + nr = rte_align32pow2(2 * num); sz = rte_ring_get_memsize(nr); r = rte_zmalloc(NULL, sz, alignof(typeof(*r))); if (r == NULL) { -- 2.35.3 ^ permalink raw reply [flat|nested] 5+ messages in thread
end of thread, other threads:[~2024-11-07 17:34 UTC | newest]
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[not found] ` <20241021160823.1072-1-konstantin.v.ananyev@yandex.ru>
2024-10-21 16:08 ` [PATCH v6 1/7] test/ring: fix failure with custom number of lcores Konstantin Ananyev
[not found] ` <20241021174745.1843-1-konstantin.ananyev@huawei.com>
2024-10-21 17:47 ` Konstantin Ananyev
[not found] ` <20241030212304.104180-1-konstantin.ananyev@huawei.com>
2024-10-30 21:22 ` [PATCH v7 " Konstantin Ananyev
2024-11-07 11:50 ` Morten Brørup
[not found] ` <20241107182429.60406-1-konstantin.ananyev@huawei.com>
2024-11-07 18:24 ` [PATCH v8 " Konstantin Ananyev
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