* [PATCH] doc: add a restriction to multi-process support @ 2017-11-28 9:56 junjie.j.chen 2017-11-28 11:22 ` Bruce Richardson 0 siblings, 1 reply; 3+ messages in thread From: junjie.j.chen @ 2017-11-28 9:56 UTC (permalink / raw) To: sergio.gonzalez.monroy, john.mcnamara, maryam.tahhan, reshma.pattan, dev Cc: Junjie Chen 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 ----------------------- -- 2.15.0 ^ permalink raw reply related [flat|nested] 3+ messages in thread
* Re: [PATCH] doc: add a restriction to multi-process support 2017-11-28 9:56 [PATCH] doc: add a restriction to multi-process support junjie.j.chen @ 2017-11-28 11:22 ` Bruce Richardson 2017-11-29 9:38 ` Chen, Junjie J 0 siblings, 1 reply; 3+ messages in thread From: Bruce Richardson @ 2017-11-28 11:22 UTC (permalink / raw) To: junjie.j.chen Cc: sergio.gonzalez.monroy, john.mcnamara, maryam.tahhan, reshma.pattan, dev 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 ^ permalink raw reply [flat|nested] 3+ messages in thread
* Re: [PATCH] doc: add a restriction to multi-process support 2017-11-28 11:22 ` Bruce Richardson @ 2017-11-29 9:38 ` Chen, Junjie J 0 siblings, 0 replies; 3+ messages in thread From: Chen, Junjie J @ 2017-11-29 9:38 UTC (permalink / raw) To: Richardson, Bruce Cc: Gonzalez Monroy, Sergio, Mcnamara, John, Tahhan, Maryam, Pattan, Reshma, dev > -----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 ^ permalink raw reply [flat|nested] 3+ messages in thread
end of thread, other threads:[~2017-11-29 9:39 UTC | newest] Thread overview: 3+ messages (download: mbox.gz / follow: Atom feed) -- links below jump to the message on this page -- 2017-11-28 9:56 [PATCH] doc: add a restriction to multi-process support junjie.j.chen 2017-11-28 11:22 ` Bruce Richardson 2017-11-29 9:38 ` Chen, Junjie J
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