doc: add --external-mbufs option in compress perf guide

This patch documents the new compress perf tool
option --external-mbufs.

Fixes: c02e33b03075 ("app/compress-perf: add --external-mbufs option")

Signed-off-by: Adam Dybkowski <adamx.dybkowski@intel.com>
Acked-by: Fiona Trahe <fiona.trahe@intel.com>

diff --git a/doc/guides/rel_notes/release_19_11.rst b/doc/guides/rel_notes/release_19_11.rst
index 46c1e74..581cb23 100644 (file)
--- a/doc/guides/rel_notes/release_19_11.rst
+++ b/doc/guides/rel_notes/release_19_11.rst
@@ -124,6 +124,12 @@ New Features
   Added stateful decompression support in the Intel QuickAssist Technology PMD.
   Please note that stateful compression is not supported.
 
   Added stateful decompression support in the Intel QuickAssist Technology PMD.
   Please note that stateful compression is not supported.
 

+* **Added external buffers support for dpdk-test-compress-perf tool.**
+
+  Added a command line option to dpdk-test-compress-perf tool to allocate
+  and use memory zones as external buffers instead of keeping the data directly
+  in mbuf areas.
+

 * **Introduced FIFO for NTB PMD.**
 
   Introduced FIFO for NTB (Non-transparent Bridge) PMD to support
 * **Introduced FIFO for NTB PMD.**
 
   Introduced FIFO for NTB (Non-transparent Bridge) PMD to support

diff --git a/doc/guides/tools/comp_perf.rst b/doc/guides/tools/comp_perf.rst
index 118de54..6c59c84 100644 (file)
--- a/doc/guides/tools/comp_perf.rst
+++ b/doc/guides/tools/comp_perf.rst
@@ -82,6 +82,8 @@ Application Options
 
  ``--window-sz N``: base two log value of compression window size (default: max supported by PMD)
 
 
  ``--window-sz N``: base two log value of compression window size (default: max supported by PMD)
 

+ ``--external-mbufs``: allocate and use memzones as external buffers instead of keeping the data directly in mbuf areas
+

  ``-h``: prints this help
 
 
  ``-h``: prints this help