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From: "Min Hu (Connor)" <humin29@huawei.com>
To: "Iremonger, Bernard" <bernard.iremonger@intel.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: Thu, 29 Apr 2021 08:51:25 +0800
Message-ID: <9202296b-3294-8f91-32f8-7fdf966b7cfd@huawei.com> (raw)
In-Reply-To: <DM6PR11MB289044856D969E37344618A3EF409@DM6PR11MB2890.namprd11.prod.outlook.com>



在 2021/4/28 21:29, Iremonger, Bernard 写道:
> 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 The EAL option "-w" has been replaced by the "-a" option  in dpdk-20.05
> 
Hi, thanks Iremonger, fixed in v3.
>> 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>
> .
> 

  reply	other threads:[~2021-04-29  0:51 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
2021-04-29  0:51       ` Min Hu (Connor) [this message]
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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