From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mga14.intel.com (mga14.intel.com [192.55.52.115]) by dpdk.org (Postfix) with ESMTP id 647A8A493 for ; Thu, 1 Feb 2018 17:53:03 +0100 (CET) X-Amp-Result: SKIPPED(no attachment in message) X-Amp-File-Uploaded: False Received: from fmsmga002.fm.intel.com ([10.253.24.26]) by fmsmga103.fm.intel.com with ESMTP/TLS/DHE-RSA-AES256-GCM-SHA384; 01 Feb 2018 08:53:02 -0800 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.46,444,1511856000"; d="scan'208";a="16243678" Received: from silpixa00399502.ir.intel.com (HELO silpixa00399502.ger.corp.intel.com) ([10.237.223.218]) by fmsmga002.fm.intel.com with ESMTP; 01 Feb 2018 08:53:01 -0800 From: Marko Kovacevic To: dev@dpdk.org Cc: john.mcnamara@intel.com, vipin.varghese@intel.com, bruce.richardson@intel.com, Marko Kovacevic Date: Thu, 1 Feb 2018 16:52:40 +0000 Message-Id: <20180201165240.15602-1-marko.kovacevic@intel.com> X-Mailer: git-send-email 2.9.5 Subject: [dpdk-dev] [PATCH v2] doc: update definition of lcore id and lcore index 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: , X-List-Received-Date: Thu, 01 Feb 2018 16:53:03 -0000 Added examples in lcore index for better explanation on various examples, Sited examples for lcore id. Signed-off-by: Marko Kovacevic --- V2: - Added clearer description to lcore id - Bruce - Reframed examples for lcore index - Bruce --- lib/librte_eal/common/include/rte_lcore.h | 14 ++++++++++++-- 1 file changed, 12 insertions(+), 2 deletions(-) diff --git a/lib/librte_eal/common/include/rte_lcore.h b/lib/librte_eal/common/include/rte_lcore.h index d84bcff..44c5780 100644 --- a/lib/librte_eal/common/include/rte_lcore.h +++ b/lib/librte_eal/common/include/rte_lcore.h @@ -57,7 +57,12 @@ RTE_DECLARE_PER_LCORE(unsigned, _lcore_id); /**< Per thread "lcore id". */ RTE_DECLARE_PER_LCORE(rte_cpuset_t, _cpuset); /**< Per thread "cpuset". */ /** - * Return the ID of the execution unit we are running on. + * Return the Application thread ID of the execution unit. + * + * If option '-l' or '-c' is provided the lcore ID is the actual + * CPU ID. If option '--lcore' is provided the lcore ID is the + * index starting from 0. + * * @return * Logical core ID (in EAL thread) or LCORE_ID_ANY (in non-EAL thread) */ @@ -94,7 +99,12 @@ rte_lcore_count(void) /** * Return the index of the lcore starting from zero. - * The order is physical or given by command line (-l option). + * + * When option -c or -l is given, the index corresponds + * to the order in the list. + * For example: + * -c 0x30, lcore 4 has index 0, and 5 has index 1. + * -l 22,18 lcore 22 has index 0, and 18 has index 1. * * @param lcore_id * The targeted lcore, or -1 for the current one. -- 2.9.5