From patchwork Wed May 17 13:49:56 2017 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Wei Dai X-Patchwork-Id: 24341 Return-Path: X-Original-To: patchwork@dpdk.org Delivered-To: patchwork@dpdk.org Received: from [92.243.14.124] (localhost [IPv6:::1]) by dpdk.org (Postfix) with ESMTP id 7C63D2C6D; Wed, 17 May 2017 15:50:29 +0200 (CEST) Received: from mga02.intel.com (mga02.intel.com [134.134.136.20]) by dpdk.org (Postfix) with ESMTP id CD9422C2F for ; Wed, 17 May 2017 15:50:27 +0200 (CEST) Received: from orsmga002.jf.intel.com ([10.7.209.21]) by orsmga101.jf.intel.com with ESMTP/TLS/DHE-RSA-AES256-GCM-SHA384; 17 May 2017 06:50:26 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.38,354,1491289200"; d="scan'208";a="87931549" Received: from dpdk6.bj.intel.com ([172.16.182.81]) by orsmga002.jf.intel.com with ESMTP; 17 May 2017 06:50:25 -0700 From: Wei Dai To: bruce.richardson@intel.com, john.mcnamara@intel.com Cc: dev@dpdk.org, Wei Dai Date: Wed, 17 May 2017 21:49:56 +0800 Message-Id: <1495028996-55146-1-git-send-email-wei.dai@intel.com> X-Mailer: git-send-email 2.7.4 Subject: [dpdk-dev] [PATCH] examples/helloworld: add output of core id and socket id X-BeenThere: dev@dpdk.org X-Mailman-Version: 2.1.15 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" Adding output of core id and socket id of each lcore/pthread can help to understand their relationship. And this can also help to examine the usage of the EAL lcore settings like -c, -l and --lcore . Signed-off-by: Wei Dai --- examples/helloworld/main.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) diff --git a/examples/helloworld/main.c b/examples/helloworld/main.c index 8b7a2de..fdd8818 100644 --- a/examples/helloworld/main.c +++ b/examples/helloworld/main.c @@ -50,7 +50,9 @@ lcore_hello(__attribute__((unused)) void *arg) { unsigned lcore_id; lcore_id = rte_lcore_id(); - printf("hello from core %u\n", lcore_id); + printf("hello from core %2u at core_id = %2u on socket_id = %2u\n", + lcore_id, lcore_config[lcore_id].core_id, + lcore_config[lcore_id].socket_id); return 0; }