4e5ce33ceb
This verifies virtual address mapping below and above the 128TB range and makes sure that address returned are within the expected range depending upon the hint passed from the user space. Link: http://lkml.kernel.org/r/20170418095252.20533-1-khandual@linux.vnet.ibm.com Signed-off-by: Anshuman Khandual <khandual@linux.vnet.ibm.com> Cc: Michal Suchanek <msuchanek@suse.de> Cc: Aneesh Kumar K.V <aneesh.kumar@linux.vnet.ibm.com> Cc: Shuah Khan <shuahkh@osg.samsung.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
179 lines
3.5 KiB
Bash
Executable file
179 lines
3.5 KiB
Bash
Executable file
#!/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`
|
|
tries=2
|
|
while [ $tries -gt 0 ] && [ $freepgs -lt $needpgs ]; do
|
|
lackpgs=$(( $needpgs - $freepgs ))
|
|
echo 3 > /proc/sys/vm/drop_caches
|
|
echo $(( $lackpgs + $nr_hugepgs )) > /proc/sys/vm/nr_hugepages
|
|
if [ $? -ne 0 ]; then
|
|
echo "Please run this test as root"
|
|
exit 1
|
|
fi
|
|
while read name size unit; do
|
|
if [ "$name" = "HugePages_Free:" ]; then
|
|
freepgs=$size
|
|
fi
|
|
done < /proc/meminfo
|
|
tries=$((tries - 1))
|
|
done
|
|
if [ $freepgs -lt $needpgs ]; then
|
|
printf "Not enough huge pages available (%d < %d)\n" \
|
|
$freepgs $needpgs
|
|
exit 1
|
|
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 "NOTE: The above hugetlb tests provide minimal coverage. Use"
|
|
echo " https://github.com/libhugetlbfs/libhugetlbfs.git for"
|
|
echo " hugetlb regression testing."
|
|
|
|
echo "--------------------"
|
|
echo "running userfaultfd"
|
|
echo "--------------------"
|
|
./userfaultfd anon 128 32
|
|
if [ $? -ne 0 ]; then
|
|
echo "[FAIL]"
|
|
exitcode=1
|
|
else
|
|
echo "[PASS]"
|
|
fi
|
|
|
|
echo "----------------------------"
|
|
echo "running userfaultfd_hugetlb"
|
|
echo "----------------------------"
|
|
# 258MB total huge pages == 128MB src and 128MB dst
|
|
./userfaultfd hugetlb 128 32 $mnt/ufd_test_file
|
|
if [ $? -ne 0 ]; then
|
|
echo "[FAIL]"
|
|
exitcode=1
|
|
else
|
|
echo "[PASS]"
|
|
fi
|
|
rm -f $mnt/ufd_test_file
|
|
|
|
echo "----------------------------"
|
|
echo "running userfaultfd_shmem"
|
|
echo "----------------------------"
|
|
./userfaultfd shmem 128 32
|
|
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
|
|
|
|
echo "-----------------------"
|
|
echo "running compaction_test"
|
|
echo "-----------------------"
|
|
./compaction_test
|
|
if [ $? -ne 0 ]; then
|
|
echo "[FAIL]"
|
|
exitcode=1
|
|
else
|
|
echo "[PASS]"
|
|
fi
|
|
|
|
echo "--------------------"
|
|
echo "running on-fault-limit"
|
|
echo "--------------------"
|
|
sudo -u nobody ./on-fault-limit
|
|
if [ $? -ne 0 ]; then
|
|
echo "[FAIL]"
|
|
exitcode=1
|
|
else
|
|
echo "[PASS]"
|
|
fi
|
|
|
|
echo "--------------------"
|
|
echo "running mlock2-tests"
|
|
echo "--------------------"
|
|
./mlock2-tests
|
|
if [ $? -ne 0 ]; then
|
|
echo "[FAIL]"
|
|
exitcode=1
|
|
else
|
|
echo "[PASS]"
|
|
fi
|
|
|
|
echo "-----------------------------"
|
|
echo "running virtual_address_range"
|
|
echo "-----------------------------"
|
|
./virtual_address_range
|
|
if [ $? -ne 0 ]; then
|
|
echo "[FAIL]"
|
|
exitcode=1
|
|
else
|
|
echo "[PASS]"
|
|
fi
|
|
|
|
exit $exitcode
|