diff options
Diffstat (limited to 'scripts/csit/setup_hugepage.sh')
-rwxr-xr-x | scripts/csit/setup_hugepage.sh | 38 |
1 files changed, 38 insertions, 0 deletions
diff --git a/scripts/csit/setup_hugepage.sh b/scripts/csit/setup_hugepage.sh new file mode 100755 index 0000000..b03c100 --- /dev/null +++ b/scripts/csit/setup_hugepage.sh @@ -0,0 +1,38 @@ +#!/bin/bash -x + +# check and setup the hugepages +SYS_HUGEPAGE=$(cat /sys/kernel/mm/hugepages/hugepages-2048kB/nr_hugepages) +hugepageFree=$(cat /sys/kernel/mm/hugepages/hugepages-2048kB/free_hugepages) + +MOUNT=$(mount | grep /mnt/nstackhuge) +count=$(mount | grep /mnt/nstackhuge | wc -l) + +while [ "${MOUNT}" != "" ] || [ "${count}" -ne 0 ] +do + sudo umount /mnt/nstackhuge + sleep 1 + MOUNT=$(mount | grep /mnt/nstackhuge) + count=$[$count -1] +done + +if [ ${SYS_HUGEPAGE} -lt 1536 ] || [ $hugepageFree -eq 0 ]; then + + sock_count=$(lscpu | grep 'Socket(s):' | head -1 | awk '{print $2}') + ls -l /sys/devices/system/node/ + + while [ "${sock_count}" -ne 0 ] + do + sock_count=$[$sock_count - 1] + echo 1536 | sudo tee /sys/devices/system/node/node"$sock_count"/hugepages/hugepages-2048kB/nr_hugepages + done + + sudo mkdir -p /mnt/nstackhuge + sudo mount -t hugetlbfs -o pagesize=2M none /mnt/nstackhuge/ + test $? -eq 0 || exit 1 +else + sudo mkdir -p /mnt/nstackhuge + sudo mount -t hugetlbfs -o pagesize=2M none /mnt/nstackhuge/ +fi + +cat /proc/meminfo +exit 0 |