From mboxrd@z Thu Jan 1 00:00:00 1970 From: Junjie Chen Subject: [PATCH v3] doc: add a restriction to multi-process support Date: Wed, 29 Nov 2017 12:17:13 -0500 Message-ID: <20171129171713.125795-1-junjie.j.chen@intel.com> References: <20171128111050.60240-1-junjie.j.chen@intel.com> Cc: Junjie Chen To: sergio.gonzalez.monroy@intel.com, john.mcnamara@intel.com, maryam.tahhan@intel.com, dev@dpdk.org Return-path: Received: from mga14.intel.com (mga14.intel.com [192.55.52.115]) by dpdk.org (Postfix) with ESMTP id AE7FB2661 for ; Wed, 29 Nov 2017 10:35:40 +0100 (CET) In-Reply-To: <20171128111050.60240-1-junjie.j.chen@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" This patch add a restriction to multi-process support: secondary processes should only run alongside primary process with same DPDK version, so that secondary processes can use the same hugepage mmap layout as primary process. Signed-off-by: Junjie Chen --- v3 changes: Use 'note' marker to make it clearer. doc/guides/prog_guide/multi_proc_support.rst | 4 ++++ doc/guides/tools/proc_info.rst | 4 ++++ 2 files changed, 8 insertions(+) diff --git a/doc/guides/prog_guide/multi_proc_support.rst b/doc/guides/prog_guide/multi_proc_support.rst index 9a9dca7fe..4ca3f2c22 100644 --- a/doc/guides/prog_guide/multi_proc_support.rst +++ b/doc/guides/prog_guide/multi_proc_support.rst @@ -52,6 +52,10 @@ Standalone DPDK processes are primary processes, while secondary processes can only run alongside a primary process or after a primary process has already configured the hugepage shared memory for them. +.. note:: + + Secondary processes should run alongside primary process with same DPDK version. + To support these two process types, and other multi-process setups described later, two additional command-line parameters are available to the EAL: diff --git a/doc/guides/tools/proc_info.rst b/doc/guides/tools/proc_info.rst index fd17e278c..1b81a7891 100644 --- a/doc/guides/tools/proc_info.rst +++ b/doc/guides/tools/proc_info.rst @@ -38,6 +38,10 @@ statistics, resetting port statistics and printing DPDK memory information. This application extends the original functionality that was supported by dump_cfg. +.. note:: + + dpdk-procinfo should run alongside primary process with same DPDK version. + Running the Application ----------------------- The application has a number of command line options: -- 2.15.0