From mboxrd@z Thu Jan 1 00:00:00 1970 From: "Chen, Junjie J" Subject: Re: [PATCH] doc: add a restriction to multi-process support Date: Wed, 29 Nov 2017 09:38:57 +0000 Message-ID: References: <20171128095654.6452-1-junjie.j.chen@intel.com> <20171128112224.GA5724@bricha3-MOBL3.ger.corp.intel.com> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: quoted-printable Cc: "Gonzalez Monroy, Sergio" , "Mcnamara, John" , "Tahhan, Maryam" , "Pattan, Reshma" , "dev@dpdk.org" To: "Richardson, Bruce" Return-path: Received: from mga14.intel.com (mga14.intel.com [192.55.52.115]) by dpdk.org (Postfix) with ESMTP id CF78C2661 for ; Wed, 29 Nov 2017 10:39:01 +0100 (CET) In-Reply-To: <20171128112224.GA5724@bricha3-MOBL3.ger.corp.intel.com> Content-Language: en-US List-Id: DPDK patches and discussions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dev-bounces@dpdk.org Sender: "dev" > -----Original Message----- > From: Richardson, Bruce > Sent: Tuesday, November 28, 2017 7:22 PM > To: Chen, Junjie J > Cc: Gonzalez Monroy, Sergio ; Mcnamara, > John ; Tahhan, Maryam > ; Pattan, Reshma ; > dev@dpdk.org > Subject: Re: [dpdk-dev] [PATCH] doc: add a restriction to multi-process s= upport >=20 > On Tue, Nov 28, 2017 at 04:56:54AM -0500, junjie.j.chen@intel.com wrote: > > From: Junjie Chen > > > > 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 > > --- > > doc/guides/prog_guide/multi_proc_support.rst | 1 + > > doc/guides/tools/proc_info.rst | 3 ++- > > 2 files changed, 3 insertions(+), 1 deletion(-) > > > > diff --git a/doc/guides/prog_guide/multi_proc_support.rst > > b/doc/guides/prog_guide/multi_proc_support.rst > > index 9a9dca7fe..0cd67ae2d 100644 > > --- a/doc/guides/prog_guide/multi_proc_support.rst > > +++ b/doc/guides/prog_guide/multi_proc_support.rst > > @@ -51,6 +51,7 @@ For now, there are two types of process specified: > > 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. > > +And secondary processes should only 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..512fd3263 100644 > > --- a/doc/guides/tools/proc_info.rst > > +++ b/doc/guides/tools/proc_info.rst > > @@ -36,7 +36,8 @@ The dpdk-procinfo application is a Data Plane > > Development Kit (DPDK) application that runs as a DPDK secondary > > process and is capable of retrieving port statistics, resetting port s= tatistics > and printing DPDK memory information. > > This application extends the original functionality that was > > supported by -dump_cfg. > > +dump_cfg. Note that dpdk-procinfo can only run alongside primary > > +process with same DPDK version. > > > > Running the Application > > ----------------------- > > -- > Good to add to the docs. I suggest that you add them using the proper "no= te" > markup to make it clearer in the docs. > /Bruce Thanks, done. Junjie