From: Honnappa Nagarahalli <Honnappa.Nagarahalli@arm.com>
To: Joyce Kong <Joyce.Kong@arm.com>,
"thomas@monjalon.net" <thomas@monjalon.net>,
"david.marchand@redhat.com" <david.marchand@redhat.com>,
Ruifeng Wang <Ruifeng.Wang@arm.com>,
"konstantin.ananyev@intel.com" <konstantin.ananyev@intel.com>,
"rsanford@akamai.com" <rsanford@akamai.com>,
"erik.g.carrillo@intel.com" <erik.g.carrillo@intel.com>,
"olivier.matz@6wind.com" <olivier.matz@6wind.com>,
"yipeng1.wang@intel.com" <yipeng1.wang@intel.com>,
"sameh.gobriel@intel.com" <sameh.gobriel@intel.com>,
"bruce.richardson@intel.com" <bruce.richardson@intel.com>,
"vladimir.medvedkin@intel.com" <vladimir.medvedkin@intel.com>,
"anatoly.burakov@intel.com" <anatoly.burakov@intel.com>,
"andrew.rybchenko@oktetlabs.ru" <andrew.rybchenko@oktetlabs.ru>,
"jerinj@marvell.com" <jerinj@marvell.com>,
"declan.doherty@intel.com" <declan.doherty@intel.com>,
"ciara.power@intel.com" <ciara.power@intel.com>,
"xiaoyun.li@intel.com" <xiaoyun.li@intel.com>,
"nicolas.chautru@intel.com" <nicolas.chautru@intel.com>,
"maryam.tahhan@intel.com" <maryam.tahhan@intel.com>,
"reshma.pattan@intel.com" <reshma.pattan@intel.com>,
"cristian.dumitrescu@intel.com" <cristian.dumitrescu@intel.com>
Cc: "dev@dpdk.org" <dev@dpdk.org>, nd <nd@arm.com>, nd <nd@arm.com>
Subject: RE: [PATCH v1 07/12] app/eventdev: use compiler atomic builtins for packets sync
Date: Wed, 10 Nov 2021 23:19:04 +0000 [thread overview]
Message-ID: <DBAPR08MB58144A3A47FF568CCCDB219B98939@DBAPR08MB5814.eurprd08.prod.outlook.com> (raw)
In-Reply-To: <20210802101847.3462-8-joyce.kong@arm.com>
<snip>
> Subject: [PATCH v1 07/12] app/eventdev: use compiler atomic builtins for
> packets sync
How about the following:
app/eventdev: use compiler atomic builtins for shared data synchronization
>
> Convert rte_atomic usages to compiler atomic built-ins for outstanding_pkts
> sync in eventdev cases.
>
> Signed-off-by: Joyce Kong <joyce.kong@arm.com>
> Reviewed-by: Ruifeng Wang <ruifeng.wang@arm.com>
> ---
> app/test-eventdev/evt_main.c | 1 -
> app/test-eventdev/test_order_atq.c | 4 ++--
> app/test-eventdev/test_order_common.c | 4 ++-- app/test-
> eventdev/test_order_common.h | 8 ++++---- app/test-
> eventdev/test_order_queue.c | 4 ++--
> 5 files changed, 10 insertions(+), 11 deletions(-)
>
<snip>
> diff --git a/app/test-eventdev/test_order_common.h b/app/test-
> eventdev/test_order_common.h
> index cd9d6009ec..1507265928 100644
> --- a/app/test-eventdev/test_order_common.h
> +++ b/app/test-eventdev/test_order_common.h
> @@ -48,7 +48,7 @@ struct test_order {
> * The atomic_* is an expensive operation,Since it is a functional test,
> * We are using the atomic_ operation to reduce the code complexity.
> */
> - rte_atomic64_t outstand_pkts;
> + uint64_t outstand_pkts;
> enum evt_test_result result;
> uint32_t nb_flows;
> uint64_t nb_pkts;
> @@ -95,7 +95,7 @@ static __rte_always_inline void
> order_process_stage_1(struct test_order *const t,
> struct rte_event *const ev, const uint32_t nb_flows,
> uint32_t *const expected_flow_seq,
> - rte_atomic64_t *const outstand_pkts)
> + uint64_t *const outstand_pkts)
> {
> const uint32_t flow = (uintptr_t)ev->mbuf % nb_flows;
> /* compare the seqn against expected value */ @@ -113,7 +113,7
> @@ order_process_stage_1(struct test_order *const t,
> */
> expected_flow_seq[flow]++;
> rte_pktmbuf_free(ev->mbuf);
> - rte_atomic64_sub(outstand_pkts, 1);
> + __atomic_fetch_sub(outstand_pkts, 1, __ATOMIC_RELAXED);
> }
>
> static __rte_always_inline void
> @@ -132,7 +132,7 @@ order_process_stage_invalid(struct test_order *const
> t,
> const uint8_t port = w->port_id;\
> const uint32_t nb_flows = t->nb_flows;\
> uint32_t *expected_flow_seq = t->expected_flow_seq;\
> - rte_atomic64_t *outstand_pkts = &t->outstand_pkts;\
> + uint64_t *outstand_pkts = &t->outstand_pkts;\
We could use the atomic built-in to set this? We have been doing that in other places.
> if (opt->verbose_level > 1)\
> printf("%s(): lcore %d dev_id %d port=%d\n",\
> __func__, rte_lcore_id(), dev_id, port) diff --git
<snip>
next prev parent reply other threads:[~2021-11-10 23:19 UTC|newest]
Thread overview: 28+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-08-02 10:18 [dpdk-dev] [PATCH v1 00/12] use compiler atomic builtins for app Joyce Kong
2021-08-02 10:18 ` [dpdk-dev] [PATCH v1 01/12] test/pmd_perf: use compiler atomic builtins for polling sync Joyce Kong
2021-11-08 22:50 ` Honnappa Nagarahalli
2021-11-10 6:10 ` Joyce Kong
2021-08-02 10:18 ` [dpdk-dev] [PATCH v1 02/12] test/ring_perf: use compiler atomic builtins for lcores sync Joyce Kong
2021-11-09 5:43 ` Honnappa Nagarahalli
2021-08-02 10:18 ` [dpdk-dev] [PATCH v1 03/12] test/timer: use compiler atomic builtins for sync Joyce Kong
2021-11-09 20:59 ` Honnappa Nagarahalli
2021-08-02 10:18 ` [dpdk-dev] [PATCH v1 04/12] test/stack_perf: use compiler atomics for lcore sync Joyce Kong
2021-11-09 21:12 ` Honnappa Nagarahalli
2021-08-02 10:18 ` [dpdk-dev] [PATCH v1 05/12] test/bpf: use compiler atomics for calculation Joyce Kong
2021-08-02 10:18 ` [dpdk-dev] [PATCH v1 06/12] test/func_reentrancy: use compiler atomic for data sync Joyce Kong
2021-11-09 21:54 ` Honnappa Nagarahalli
2021-08-02 10:18 ` [dpdk-dev] [PATCH v1 07/12] app/eventdev: use compiler atomic builtins for packets sync Joyce Kong
2021-11-10 23:19 ` Honnappa Nagarahalli [this message]
2021-11-11 7:27 ` Joyce Kong
2021-08-02 10:18 ` [dpdk-dev] [PATCH v1 08/12] app/crypto: use compiler atomic builtins for display sync Joyce Kong
2021-11-09 22:11 ` Honnappa Nagarahalli
2021-08-02 10:18 ` [dpdk-dev] [PATCH v1 09/12] app/compress: " Joyce Kong
2021-11-09 22:59 ` Honnappa Nagarahalli
2021-11-11 8:13 ` Joyce Kong
2021-08-02 10:18 ` [dpdk-dev] [PATCH v1 10/12] app/testpmd: use compiler atomic builtins for port sync Joyce Kong
2021-11-09 23:14 ` Honnappa Nagarahalli
2021-11-11 8:51 ` Joyce Kong
2021-08-02 10:18 ` [dpdk-dev] [PATCH v1 11/12] app/bbdev: use compiler atomics for thread sync Joyce Kong
2021-11-10 21:25 ` Honnappa Nagarahalli
2021-08-02 10:18 ` [dpdk-dev] [PATCH v1 12/12] app: remove unnecessary include of atomic Joyce Kong
2021-10-21 6:35 ` [dpdk-dev] [PATCH v1 00/12] use compiler atomic builtins for app Joyce Kong
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