From mboxrd@z Thu Jan 1 00:00:00 1970 From: Keith Wiles Subject: [PATCH v2 02/11] doc/faq: use corelist instead of coremask Date: Thu, 9 Feb 2017 17:42:24 -0600 Message-ID: <20170209234233.63333-3-keith.wiles@intel.com> References: <20170209234233.63333-1-keith.wiles@intel.com> Cc: iryzhov@nfware.com To: dev@dpdk.org Return-path: Received: from mga05.intel.com (mga05.intel.com [192.55.52.43]) by dpdk.org (Postfix) with ESMTP id D4B9FF92F for ; Fri, 10 Feb 2017 00:42:43 +0100 (CET) In-Reply-To: <20170209234233.63333-1-keith.wiles@intel.com> In-Reply-To: <20170209181450.58466-1-keith.wiles@intel.com> References: <20170209181450.58466-1-keith.wiles@intel.com> List-Id: DPDK patches and discussions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dev-bounces@dpdk.org Sender: "dev" Signed-off-by: Keith Wiles --- doc/guides/faq/faq.rst | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) diff --git a/doc/guides/faq/faq.rst b/doc/guides/faq/faq.rst index 5a324b2..98c1e33 100644 --- a/doc/guides/faq/faq.rst +++ b/doc/guides/faq/faq.rst @@ -54,7 +54,7 @@ If you need to change the number of pages, it is easier to first remove the page See the "Quick Start Setup Script" section in the :ref:`DPDK Getting Started Guide ` for more information. -If I execute "l2fwd -c f -m 64 -n 3 -- -p 3", I get the following output, indicating that there are no socket 0 hugepages to allocate the mbuf and ring structures to? +If I execute "l2fwd -l 0-3 -m 64 -n 3 -- -p 3", I get the following output, indicating that there are no socket 0 hugepages to allocate the mbuf and ring structures to? ---------------------------------------------------------------------------------------------------------------------------------------------------------------------- I have set up a total of 1024 Hugepages (that is, allocated 512 2M pages to each NUMA node). @@ -80,6 +80,8 @@ For example, if your EAL coremask is 0xff0, the master core will usually be the taskset 0x10 ./l2fwd -c 0xff0 -n 2 +.. Note: Instead of '-c 0xff0' use the '-l 4-11' as a cleaner way to define lcores. + In this way, the hugepages have a greater chance of being allocated to the correct socket. Additionally, a ``--socket-mem`` option could be used to ensure the availability of memory for each socket, so that if hugepages were allocated on the wrong socket, the application simply will not start. -- 2.8.0.GIT