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 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

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