7e50533d4b
As the confusing naming indicates, this test has some overlap with pre-existing tests. Would be nice to merge them eventually. But since it is only test code, cleanliness is much less important than mere existence. Signed-off-by: Joern Engel <joern@logfs.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
93 lines
1.8 KiB
Bash
93 lines
1.8 KiB
Bash
#!/bin/bash
|
|
#please run as root
|
|
|
|
#we need 256M, below is the size in kB
|
|
needmem=262144
|
|
mnt=./huge
|
|
exitcode=0
|
|
|
|
#get pagesize and freepages from /proc/meminfo
|
|
while read name size unit; do
|
|
if [ "$name" = "HugePages_Free:" ]; then
|
|
freepgs=$size
|
|
fi
|
|
if [ "$name" = "Hugepagesize:" ]; then
|
|
pgsize=$size
|
|
fi
|
|
done < /proc/meminfo
|
|
|
|
#set proper nr_hugepages
|
|
if [ -n "$freepgs" ] && [ -n "$pgsize" ]; then
|
|
nr_hugepgs=`cat /proc/sys/vm/nr_hugepages`
|
|
needpgs=`expr $needmem / $pgsize`
|
|
if [ $freepgs -lt $needpgs ]; then
|
|
lackpgs=$(( $needpgs - $freepgs ))
|
|
echo $(( $lackpgs + $nr_hugepgs )) > /proc/sys/vm/nr_hugepages
|
|
if [ $? -ne 0 ]; then
|
|
echo "Please run this test as root"
|
|
exit 1
|
|
fi
|
|
fi
|
|
else
|
|
echo "no hugetlbfs support in kernel?"
|
|
exit 1
|
|
fi
|
|
|
|
mkdir $mnt
|
|
mount -t hugetlbfs none $mnt
|
|
|
|
echo "--------------------"
|
|
echo "running hugepage-mmap"
|
|
echo "--------------------"
|
|
./hugepage-mmap
|
|
if [ $? -ne 0 ]; then
|
|
echo "[FAIL]"
|
|
exitcode=1
|
|
else
|
|
echo "[PASS]"
|
|
fi
|
|
|
|
shmmax=`cat /proc/sys/kernel/shmmax`
|
|
shmall=`cat /proc/sys/kernel/shmall`
|
|
echo 268435456 > /proc/sys/kernel/shmmax
|
|
echo 4194304 > /proc/sys/kernel/shmall
|
|
echo "--------------------"
|
|
echo "running hugepage-shm"
|
|
echo "--------------------"
|
|
./hugepage-shm
|
|
if [ $? -ne 0 ]; then
|
|
echo "[FAIL]"
|
|
exitcode=1
|
|
else
|
|
echo "[PASS]"
|
|
fi
|
|
echo $shmmax > /proc/sys/kernel/shmmax
|
|
echo $shmall > /proc/sys/kernel/shmall
|
|
|
|
echo "--------------------"
|
|
echo "running map_hugetlb"
|
|
echo "--------------------"
|
|
./map_hugetlb
|
|
if [ $? -ne 0 ]; then
|
|
echo "[FAIL]"
|
|
exitcode=1
|
|
else
|
|
echo "[PASS]"
|
|
fi
|
|
|
|
echo "--------------------"
|
|
echo "running hugetlbfstest"
|
|
echo "--------------------"
|
|
./hugetlbfstest
|
|
if [ $? -ne 0 ]; then
|
|
echo "[FAIL]"
|
|
exitcode=1
|
|
else
|
|
echo "[PASS]"
|
|
fi
|
|
|
|
#cleanup
|
|
umount $mnt
|
|
rm -rf $mnt
|
|
echo $nr_hugepgs > /proc/sys/vm/nr_hugepages
|
|
exit $exitcode
|