From: "Chen, Junjie J" <junjie.j.chen@intel.com>
To: "Richardson, Bruce" <bruce.richardson@intel.com>
Cc: "Gonzalez Monroy, Sergio" <sergio.gonzalez.monroy@intel.com>,
"Mcnamara, John" <john.mcnamara@intel.com>,
"Tahhan, Maryam" <maryam.tahhan@intel.com>,
"Pattan, Reshma" <reshma.pattan@intel.com>,
"dev@dpdk.org" <dev@dpdk.org>
Subject: Re: [dpdk-dev] [PATCH] doc: add a restriction to multi-process support
Date: Wed, 29 Nov 2017 09:38:57 +0000 [thread overview]
Message-ID: <AA85A5A5E706C44BACB0BEFD5AC08BF63131D085@SHSMSX101.ccr.corp.intel.com> (raw)
In-Reply-To: <20171128112224.GA5724@bricha3-MOBL3.ger.corp.intel.com>
> -----Original Message-----
> From: Richardson, Bruce
> Sent: Tuesday, November 28, 2017 7:22 PM
> To: Chen, Junjie J <junjie.j.chen@intel.com>
> Cc: Gonzalez Monroy, Sergio <sergio.gonzalez.monroy@intel.com>; Mcnamara,
> John <john.mcnamara@intel.com>; Tahhan, Maryam
> <maryam.tahhan@intel.com>; Pattan, Reshma <reshma.pattan@intel.com>;
> dev@dpdk.org
> Subject: Re: [dpdk-dev] [PATCH] doc: add a restriction to multi-process support
>
> On Tue, Nov 28, 2017 at 04:56:54AM -0500, junjie.j.chen@intel.com wrote:
> > From: Junjie Chen <junjie.j.chen@intel.com>
> >
> > 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 <junjie.j.chen@intel.com>
> > ---
> > 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 statistics
> 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 "note"
> markup to make it clearer in the docs.
> /Bruce
Thanks, done.
Junjie
prev parent reply other threads:[~2017-11-29 9:39 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-11-28 9:56 junjie.j.chen
2017-11-28 11:22 ` Bruce Richardson
2017-11-29 9:38 ` Chen, Junjie J [this message]
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