From: Junjie Chen <junjie.j.c...@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.c...@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
