Fix: enhancing the build scripts

Change-Id: Ibc52debf304335e8a69b4d3d5c5f6478d654ab88
Signed-off-by: sharath <sharathkumarboyanapally@gmail.com>

1 files changed, 41 insertions, 0 deletions

diff --git a/scripts/check_hugepage.sh b/scripts/check_hugepage.sh
new file mode 100755
index 0000000..bde11a9
--- /dev/null
+++ b/scripts/check_hugepage.sh
@@ -0,0 +1,41 @@
+#!/bin/bash -x
+
+set -x
+
+hugepagesize=$(cat /proc/meminfo | grep Hugepagesize | awk -F " " {'print$2'})
+if [ "$hugepagesize" == "2048" ]; then
+    pages=1536
+elif [ "$hugepagesize" == "1048576" ]; then
+    pages=3
+fi
+sudo sysctl -w vm.nr_hugepages=$pages
+HUGEPAGES=`sysctl -n  vm.nr_hugepages`
+if [ $HUGEPAGES != $pages ]; then
+    echo "ERROR: Unable to get $pages hugepages, only got $HUGEPAGES.  Cannot finish."
+    exit 1
+fi
+
+hugepageTotal=$(cat /proc/meminfo | grep -c "HugePages_Total:       0")
+if [ $hugepageTotal -ne 0 ]; then
+    echo "HugePages_Total is zero"
+    exit 1
+fi
+
+hugepageFree=$(cat /proc/meminfo | grep -c "HugePages_Free:        0")
+if [ $hugepageFree -ne 0 ]; then
+    echo "HugePages_Free is zero"
+    exit 1
+fi
+
+hugepageSize=$(cat /proc/meminfo | grep -c "Hugepagesize:          0 kB")
+if [ $hugepageSize -ne 0 ]; then
+    echo "Hugepagesize is zero"
+    exit 1
+fi
+
+sudo mkdir /mnt/nstackhuge -p
+if [ "$hugepagesize" == "2048" ]; then
+    sudo mount -t hugetlbfs -o pagesize=2M none /mnt/nstackhuge/
+elif [ "$hugepagesize" == "1048576" ]; then
+    sudo mount -t hugetlbfs -o pagesize=1G none /mnt/nstackhuge/
+fi