From: Bruce Richardson <bruce.richardson@intel.com>
To: junjie.j.chen@intel.com
Cc: sergio.gonzalez.monroy@intel.com, john.mcnamara@intel.com,
maryam.tahhan@intel.com, reshma.pattan@intel.com, dev@dpdk.org
Subject: Re: [dpdk-dev] [PATCH] doc: add a restriction to multi-process support
Date: Tue, 28 Nov 2017 11:22:24 +0000 [thread overview]
Message-ID: <20171128112224.GA5724@bricha3-MOBL3.ger.corp.intel.com> (raw)
In-Reply-To: <20171128095654.6452-1-junjie.j.chen@intel.com>
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
next prev parent reply other threads:[~2017-11-28 11:22 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 [this message]
2017-11-29 9:38 ` Chen, Junjie J
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