commit c795b8836d83b4b062aa21423f842aa765269c2c
author Junfeng Wang <drenfong.wang@intel.com> Fri Aug 12 16:24:46 2022 +0800
committer Florin Coras <florin.coras@gmail.com> Thu Sep 15 23:15:26 2022 +0000
tree 9c7f9835da485443b4a43477e706178661399bdd
parent 0654242d1ef51566f0d58445a16053cf376e5a6e

vcl: add hugepage for vcl configure and svm

add hugepage for vcl configure and svm

Type: feature

Signed-off-by: Junfeng Wang <drenfong.wang@intel.com>
Change-Id: I6a8905e3fec23d840e629114b1e5a403d0a258ef

src/vnet/session/application.c

diff --git a/src/vnet/session/application.c b/src/vnet/session/application.c
index 67dc7d6..3b2c7cd 100644
--- a/src/vnet/session/application.c
+++ b/src/vnet/session/application.c
@@ -819,6 +819,8 @@
       props->add_segment_size = opts[APP_OPTIONS_ADD_SEGMENT_SIZE];
       props->add_segment = 1;
     }
+  if (opts[APP_OPTIONS_FLAGS] & APP_OPTIONS_FLAGS_USE_HUGE_PAGE)
+    props->huge_page = 1;
   if (opts[APP_OPTIONS_RX_FIFO_SIZE])
     props->rx_fifo_size = opts[APP_OPTIONS_RX_FIFO_SIZE];
   if (opts[APP_OPTIONS_TX_FIFO_SIZE])

src/vnet/session/application_interface.h

diff --git a/src/vnet/session/application_interface.h b/src/vnet/session/application_interface.h
index b1dab32..9fc03a0 100644
--- a/src/vnet/session/application_interface.h
+++ b/src/vnet/session/application_interface.h
@@ -232,7 +232,8 @@
   _ (USE_GLOBAL_SCOPE, "App can use global session scope")                    \
   _ (USE_LOCAL_SCOPE, "App can use local session scope")                      \
   _ (EVT_MQ_USE_EVENTFD, "Use eventfds for signaling")                        \
-  _ (MEMFD_FOR_BUILTIN, "Use memfd for builtin app segs")
+  _ (MEMFD_FOR_BUILTIN, "Use memfd for builtin app segs")                     \
+  _ (USE_HUGE_PAGE, "Use huge page for FIFO")
 
 typedef enum _app_options
 {

src/vnet/session/segment_manager.c

diff --git a/src/vnet/session/segment_manager.c b/src/vnet/session/segment_manager.c
index 14e4e21..c14cffa 100644
--- a/src/vnet/session/segment_manager.c
+++ b/src/vnet/session/segment_manager.c
@@ -127,7 +127,15 @@
     sizeof (fifo_segment_header_t) +
     vlib_thread_main.n_vlib_mains * sizeof (fifo_segment_slice_t) +
     FIFO_SEGMENT_ALLOC_OVERHEAD;
-  segment_size = round_pow2 (segment_size, clib_mem_get_page_size ());
+
+  if (props->huge_page)
+    {
+      uword hugepage_size = clib_mem_get_default_hugepage_size ();
+      segment_size = round_pow2 (segment_size, hugepage_size);
+      fs->ssvm.huge_page = 1;
+    }
+  else
+    segment_size = round_pow2 (segment_size, clib_mem_get_page_size ());
 
   seg_name = format (0, "seg-%u-%u-%u%c", app_wrk->app_index,
 		     app_wrk->wrk_index, smm->seg_name_counter++, 0);

src/vnet/session/segment_manager.h

diff --git a/src/vnet/session/segment_manager.h b/src/vnet/session/segment_manager.h
index 8b722a0..e786b31 100644
--- a/src/vnet/session/segment_manager.h
+++ b/src/vnet/session/segment_manager.h
@@ -40,6 +40,7 @@
   u8 high_watermark;			/**< memory usage high watermark % */
   u8 low_watermark;			/**< memory usage low watermark % */
   u8 pct_first_alloc;			/**< pct of fifo size to alloc */
+  u8 huge_page;				/**< use hugepage */
 } segment_manager_props_t;
 
 typedef enum seg_manager_flag_