From patchwork Wed Apr 21 07:00:23 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: "humin (Q)" X-Patchwork-Id: 91925 X-Patchwork-Delegate: thomas@monjalon.net Return-Path: X-Original-To: patchwork@inbox.dpdk.org Delivered-To: patchwork@inbox.dpdk.org Received: from mails.dpdk.org (mails.dpdk.org [217.70.189.124]) by inbox.dpdk.org (Postfix) with ESMTP id 4E7B1A0548; Wed, 21 Apr 2021 09:00:35 +0200 (CEST) Received: from [217.70.189.124] (localhost [127.0.0.1]) by mails.dpdk.org (Postfix) with ESMTP id E3EEA4198D; Wed, 21 Apr 2021 09:00:19 +0200 (CEST) Received: from szxga06-in.huawei.com (szxga06-in.huawei.com [45.249.212.32]) by mails.dpdk.org (Postfix) with ESMTP id 8F1EB4197C for ; Wed, 21 Apr 2021 09:00:15 +0200 (CEST) Received: from DGGEMS412-HUB.china.huawei.com (unknown [172.30.72.58]) by szxga06-in.huawei.com (SkyGuard) with ESMTP id 4FQBGJ3hgwzklJ9; Wed, 21 Apr 2021 14:58:16 +0800 (CST) Received: from localhost.localdomain (10.69.192.56) by DGGEMS412-HUB.china.huawei.com (10.3.19.212) with Microsoft SMTP Server id 14.3.498.0; Wed, 21 Apr 2021 15:00:10 +0800 From: "Min Hu (Connor)" To: CC: , , , , Date: Wed, 21 Apr 2021 15:00:23 +0800 Message-ID: <1618988423-5034-4-git-send-email-humin29@huawei.com> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1618988423-5034-1-git-send-email-humin29@huawei.com> References: <1616830818-3127-1-git-send-email-humin29@huawei.com> <1618988423-5034-1-git-send-email-humin29@huawei.com> MIME-Version: 1.0 X-Originating-IP: [10.69.192.56] X-CFilter-Loop: Reflected Subject: [dpdk-dev] [PATCH v2 3/3] examples/skeleton: fix check of port and core X-BeenThere: dev@dpdk.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: DPDK patches and discussions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dev-bounces@dpdk.org Sender: "dev" 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 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: 7107e471a6c7 ("examples/skeleton: very simple code for packet forwarding") Cc: stable@dpdk.org Signed-off-by: Min Hu (Connor) --- examples/skeleton/basicfwd.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/examples/skeleton/basicfwd.c b/examples/skeleton/basicfwd.c index 4b2b6ab..bea0e55 100644 --- a/examples/skeleton/basicfwd.c +++ b/examples/skeleton/basicfwd.c @@ -122,7 +122,7 @@ lcore_main(void) * 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("WARNING, port %u is on remote NUMA node to "