From 55241750a6ca05cdf88bb3979cb2c991ee2280db Mon Sep 17 00:00:00 2001
From: Dariusz Stojaczyk <dariuszx.stojaczyk@intel.com>
Date: Fri, 2 Mar 2018 16:18:38 +0100
Subject: [PATCH] setup.sh: print hugepage distribution status in `setup.sh
 status`

Current output looks as follows:

$ ./scripts/setup.sh status
Hugepages
node     hugesize     free /    num
node0   1048576kB        7 /      9
node0      2048kB     6144 /   6144
node1   1048576kB        0 /      0
node1      2048kB        0 /  15360
NVMe devices
BDF             Numa Node       Driver name             Device name
0000:0a:00.0    0               nvme                    nvme0
[...]

Change-Id: I8cf019f2b4eaa966633427dd8c3759c979ba456c
Signed-off-by: Pawel Wodkowski <pawelx.wodkowski@intel.com>
Signed-off-by: Dariusz Stojaczyk <dariuszx.stojaczyk@intel.com>
Reviewed-on: https://review.gerrithub.io/402281
Tested-by: SPDK Automated Test System <sys_sgsw@intel.com>
Reviewed-by: Daniel Verkamp <daniel.verkamp@intel.com>
Reviewed-by: Jim Harris <james.r.harris@intel.com>
---
 scripts/setup.sh | 29 +++++++++++++++++++++++++++++
 1 file changed, 29 insertions(+)

diff --git a/scripts/setup.sh b/scripts/setup.sh
index 8bbb42dbb..44e68f2d4 100755
--- a/scripts/setup.sh
+++ b/scripts/setup.sh
@@ -349,6 +349,35 @@ function reset_linux {
 }
 
 function status_linux {
+	echo "Hugepages"
+	printf "%-6s %10s %8s / %6s\n" "node" "hugesize"  "free" "total"
+
+	numa_nodes=0
+	shopt -s nullglob
+	for path in /sys/devices/system/node/node?/hugepages/hugepages-*/; do
+		numa_nodes=$((numa_nodes + 1))
+		free_pages=`cat $path/free_hugepages`
+		all_pages=`cat $path/nr_hugepages`
+
+		[[ $path =~ (node[0-9]+)/hugepages/hugepages-([0-9]+kB) ]]
+
+		node=${BASH_REMATCH[1]}
+		huge_size=${BASH_REMATCH[2]}
+
+		printf "%-6s %10s %8s / %6s\n" $node $huge_size $free_pages $all_pages
+	done
+	shopt -u nullglob
+
+	# fall back to system-wide hugepages
+	if [ "$numa_nodes" = "0" ]; then
+		free_pages=`grep HugePages_Free /proc/meminfo | awk '{ print $2 }'`
+		all_pages=`grep HugePages_Total /proc/meminfo | awk '{ print $2 }'`
+		node="-"
+		huge_size="$HUGEPGSZ"
+
+		printf "%-6s %10s %8s / %6s\n" $node $huge_size $free_pages $all_pages
+	fi
+
 	echo "NVMe devices"
 
 	echo -e "BDF\t\tNuma Node\tDriver name\t\tDevice name"