From: "Iremonger, Bernard" <bernard.iremonger@intel.com>
To: "Min Hu (Connor)" <humin29@huawei.com>, "dev@dpdk.org" <dev@dpdk.org>
Cc: "Yigit, Ferruh" <ferruh.yigit@intel.com>,
"Kantecki, Tomasz" <tomasz.kantecki@intel.com>,
"Richardson, Bruce" <bruce.richardson@intel.com>,
"thomas@monjalon.net" <thomas@monjalon.net>
Subject: Re: [dpdk-dev] [PATCH v2 1/3] examples/flow_classify: fix check of port and core
Date: Wed, 28 Apr 2021 13:29:30 +0000 [thread overview]
Message-ID: <DM6PR11MB289044856D969E37344618A3EF409@DM6PR11MB2890.namprd11.prod.outlook.com> (raw)
In-Reply-To: <1618988423-5034-2-git-send-email-humin29@huawei.com>
Hi Min,
> -----Original Message-----
> From: Min Hu (Connor) <humin29@huawei.com>
> Sent: Wednesday, April 21, 2021 8:00 AM
> To: dev@dpdk.org
> Cc: Yigit, Ferruh <ferruh.yigit@intel.com>; Iremonger, Bernard
> <bernard.iremonger@intel.com>; Kantecki, Tomasz
> <tomasz.kantecki@intel.com>; Richardson, Bruce
> <bruce.richardson@intel.com>; thomas@monjalon.net
> Subject: [PATCH v2 1/3] examples/flow_classify: fix check of port and core
>
> According to the comments and logging, the author just hope user to use the
> core and device which are in the same numa node for optimal performance.
> If not, A warning gives out.
>
> For example in flow_classify:
> ./build/flow_classify -w 0000:7d:00.1 -l 93
The EAL option "-w" has been replaced by the "-a" option in dpdk-20.05
> Here:
> 0000:7d:00.1 is on numa node 0.
> core 93 is on numa node 3.
>
> The two are not in same numa node, but no warning gives out in old codes.
>
> This patch can fix it.
>
> Fixes: bab16ddaf2c1 ("examples/flow_classify: add sample application")
> Cc: stable@dpdk.org
>
> Signed-off-by: Min Hu (Connor) <humin29@huawei.com>
> ---
> examples/flow_classify/flow_classify.c | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/examples/flow_classify/flow_classify.c
> b/examples/flow_classify/flow_classify.c
> index 335d7d2..277a2f5 100644
> --- a/examples/flow_classify/flow_classify.c
> +++ b/examples/flow_classify/flow_classify.c
> @@ -284,7 +284,7 @@ lcore_main(struct flow_classifier *cls_app)
> * for best performance.
> */
> RTE_ETH_FOREACH_DEV(port)
> - if (rte_eth_dev_socket_id(port) > 0 &&
> + if (rte_eth_dev_socket_id(port) >= 0 &&
> rte_eth_dev_socket_id(port) != (int)rte_socket_id())
> {
> printf("\n\n");
> printf("WARNING: port %u is on remote NUMA
> node\n",
> --
> 2.7.4
Tested-by: Bernard Iremonger <bernard.iremonger@intel.com>
next prev parent reply other threads:[~2021-04-28 13:29 UTC|newest]
Thread overview: 29+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-03-27 7:40 [dpdk-dev] [PATCH 0/3] " Min Hu (Connor)
2021-03-27 7:40 ` [dpdk-dev] [PATCH 1/3] examples/flow_classify: " Min Hu (Connor)
2021-04-20 1:08 ` Thomas Monjalon
2021-04-20 2:26 ` Min Hu (Connor)
2021-04-20 9:40 ` Thomas Monjalon
2021-04-27 11:51 ` Iremonger, Bernard
2021-04-27 12:23 ` Min Hu (Connor)
2021-04-27 13:06 ` Iremonger, Bernard
2021-04-28 9:26 ` Iremonger, Bernard
2021-03-27 7:40 ` [dpdk-dev] [PATCH 2/3] examples/l2fwd-cat: " Min Hu (Connor)
2021-03-27 7:40 ` [dpdk-dev] [PATCH 3/3] examples/skeleton: " Min Hu (Connor)
2021-04-10 9:14 ` [dpdk-dev] [PATCH 0/3] " Min Hu (Connor)
2021-04-19 7:44 ` Min Hu (Connor)
2021-04-21 7:00 ` [dpdk-dev] [PATCH v2 " Min Hu (Connor)
2021-04-21 7:00 ` [dpdk-dev] [PATCH v2 1/3] examples/flow_classify: " Min Hu (Connor)
2021-04-28 13:29 ` Iremonger, Bernard [this message]
2021-04-29 0:51 ` Min Hu (Connor)
2021-04-21 7:00 ` [dpdk-dev] [PATCH v2 2/3] examples/l2fwd-cat: " Min Hu (Connor)
2021-04-21 7:00 ` [dpdk-dev] [PATCH v2 3/3] examples/skeleton: " Min Hu (Connor)
2021-04-29 0:50 ` [dpdk-dev] [PATCH v3 0/3] " Min Hu (Connor)
2021-04-29 0:50 ` [dpdk-dev] [PATCH v3 1/3] examples/flow_classify: " Min Hu (Connor)
2021-04-29 9:07 ` Iremonger, Bernard
2021-04-29 9:37 ` Min Hu (Connor)
2021-04-29 11:44 ` Thomas Monjalon
2021-04-29 12:15 ` Min Hu (Connor)
2021-04-29 0:50 ` [dpdk-dev] [PATCH v3 2/3] examples/l2fwd-cat: " Min Hu (Connor)
2021-04-29 0:50 ` [dpdk-dev] [PATCH v3 3/3] examples/skeleton: " Min Hu (Connor)
2021-05-12 16:52 ` [dpdk-dev] [PATCH v3 0/3] " Ferruh Yigit
2021-05-12 19:16 ` Thomas Monjalon
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