From: Stephen Hemminger <stephen@networkplumber.org>
To: Vipin Varghese <vipin.varghese@amd.com>
Cc: <dev@dpdk.org>, <roretzla@linux.microsoft.com>,
<bruce.richardson@intel.com>, <john.mcnamara@intel.com>,
<dmitry.kozliuk@gmail.com>, <jerinj@marvell.com>,
<ruifeng.wang@arm.com>, <mattias.ronnblom@ericsson.com>,
<anatoly.burakov@intel.com>, <ferruh.yigit@amd.com>,
<honnappa.nagarahalli@arm.com>, <wathsala.vithanage@arm.com>,
<konstantin.ananyev@huawei.com>
Subject: Re: [RFC v3 1/3] eal/lcore: add topology based functions
Date: Wed, 30 Oct 2024 08:47:59 -0700 [thread overview]
Message-ID: <20241030084759.2937bc4e@hermes.local> (raw)
In-Reply-To: <20241030054133.520-2-vipin.varghese@amd.com>
On Wed, 30 Oct 2024 11:11:31 +0530
Vipin Varghese <vipin.varghese@amd.com> wrote:
> +struct topology_config {
> +#ifdef RTE_EAL_HWLOC_TOPOLOGY_PROBE
> + hwloc_topology_t topology;
> +#endif
> +
> + /* domain count */
> + uint16_t l1_count;
> + uint16_t l2_count;
> + uint8_t l3_count;
> + uint8_t io_count;
> +
> + /* total cores under all domain */
> + uint16_t l1_core_count;
> + uint16_t l2_core_count;
> + uint16_t l3_core_count;
> + uint16_t io_core_count;
> +
> + /* two dimensional array for each domain */
> + struct core_domain_mapping **l1;
> + struct core_domain_mapping **l2;
> + struct core_domain_mapping **l3;
> + struct core_domain_mapping **io;
> +};
> +extern struct topology_config topo_cnfg;
> +
To work with primary/secondary process model, it might be better to keep
this info in hugpage/shared memory. I.e put topology_config into space
allocated with rte_malloc() and populated by primary process.
next prev parent reply other threads:[~2024-10-30 15:48 UTC|newest]
Thread overview: 12+ messages / expand[flat|nested] mbox.gz Atom feed top
2024-10-30 5:41 [RFC v3 0/3] Introduce Topology NUMA grouping for lcores Vipin Varghese
2024-10-30 5:41 ` [RFC v3 1/3] eal/lcore: add topology based functions Vipin Varghese
2024-10-30 15:43 ` Stephen Hemminger
2024-10-30 15:44 ` Stephen Hemminger
2024-10-30 15:45 ` Stephen Hemminger
2024-10-30 15:47 ` Stephen Hemminger [this message]
2024-10-30 5:41 ` [RFC v3 2/3] test/lcore: enable tests for topology Vipin Varghese
2024-10-30 11:50 ` [EXTERNAL] " Pavan Nikhilesh Bhagavatula
2024-10-30 5:41 ` [RFC v3 3/3] examples: add lcore topology API calls Vipin Varghese
2024-10-30 11:49 ` [EXTERNAL] " Pavan Nikhilesh Bhagavatula
2024-10-30 12:06 ` Varghese, Vipin
2024-10-30 12:37 ` Varghese, Vipin
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