summaryrefslogtreecommitdiff
diff options
context:
space:
mode:
authorJunjie Chen <junjie.j.chen@intel.com>2017-11-29 12:17:13 -0500
committerThomas Monjalon <thomas@monjalon.net>2018-02-01 03:31:52 +0100
commitdeedc8d9913e6dfe8d77a69860290b5e058e44ca (patch)
tree3c42935f8a030dfaee147c81793b44e83350a59a
parente07a3ed786c50e31cbb6e01f9f26cada0c2a4d70 (diff)
downloaddpdk-deedc8d9913e6dfe8d77a69860290b5e058e44ca.zip
dpdk-deedc8d9913e6dfe8d77a69860290b5e058e44ca.tar.gz
dpdk-deedc8d9913e6dfe8d77a69860290b5e058e44ca.tar.xz
doc: add a restriction to multi-process support
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> Acked-by: John McNamara <john.mcnamara@intel.com>
-rw-r--r--doc/guides/prog_guide/multi_proc_support.rst4
-rw-r--r--doc/guides/tools/proc_info.rst4
2 files changed, 8 insertions, 0 deletions
diff --git a/doc/guides/prog_guide/multi_proc_support.rst b/doc/guides/prog_guide/multi_proc_support.rst
index 9a9dca7..4ca3f2c 100644
--- a/doc/guides/prog_guide/multi_proc_support.rst
+++ b/doc/guides/prog_guide/multi_proc_support.rst
@@ -52,6 +52,10 @@ 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.
+.. note::
+
+ Secondary processes should 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 fd17e27..1b81a78 100644
--- a/doc/guides/tools/proc_info.rst
+++ b/doc/guides/tools/proc_info.rst
@@ -38,6 +38,10 @@ statistics, resetting port statistics and printing DPDK memory information.
This application extends the original functionality that was supported by
dump_cfg.
+.. note::
+
+ dpdk-procinfo should run alongside primary process with same DPDK version.
+
Running the Application
-----------------------
The application has a number of command line options: