tools/testing/selftests/vm/run_vmtests

#!/bin/bash
# SPDX-License-Identifier: GPL-2.0
#please run as root

# Kselftest framework requirement - SKIP code is 4.
ksft_skip=4

mnt=./huge
exitcode=0

##get huge pagesize and freepages from /proc/meminfo
#while read name size unit; do
#	if [ "$name" = "HugePages_Free:" ]; then
#		freepgs=$size
#	fi
#	if [ "$name" = "Hugepagesize:" ]; then
#		hpgsize_KB=$size
#	fi
#done < /proc/meminfo
#
## Simple hugetlbfs tests have a hardcoded minimum requirement of
## huge pages totaling 256MB (262144KB) in size.  The userfaultfd
## hugetlb test requires a minimum of 2 * nr_cpus huge pages.  Take
## both of these requirements into account and attempt to increase
## number of huge pages available.
#nr_cpus=$(nproc)
#hpgsize_MB=$((hpgsize_KB / 1024))
#half_ufd_size_MB=$((((nr_cpus * hpgsize_MB + 127) / 128) * 128))
#needmem_KB=$((half_ufd_size_MB * 2 * 1024))
#
##set proper nr_hugepages
#if [ -n "$freepgs" ] && [ -n "$hpgsize_KB" ]; then
#	nr_hugepgs=`cat /proc/sys/vm/nr_hugepages`
#	needpgs=$((needmem_KB / hpgsize_KB))
#	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 $ksft_skip
#		fi
#		while read name size unit; do
#			if [ "$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
#
##filter 64bit architectures
#ARCH64STR="arm64 ia64 mips64 parisc64 ppc64 riscv64 s390x sh64 sparc64 x86_64"
#if [ -z $ARCH ]; then
#  ARCH=`uname -m 2>/dev/null | sed -e 's/aarch64.*/arm64/'`
#fi
#VADDR64=0
#echo "$ARCH64STR" | grep $ARCH && VADDR64=1
#
#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 "---------------------------"
## Test requires source and destination huge pages.  Size of source
## (half_ufd_size_MB) is passed as argument to test.
#./userfaultfd hugetlb $half_ufd_size_MB 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 map_populate"
echo "--------------------"
./map_populate
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

if [ $VADDR64 -ne 0 ]; then
echo "-----------------------------"
echo "running virtual_address_range"
echo "-----------------------------"
./virtual_address_range
if [ $? -ne 0 ]; then
	echo "[FAIL]"
	exitcode=1
else
	echo "[PASS]"
fi

echo "-----------------------------"
echo "running virtual address 128TB switch test"
echo "-----------------------------"
./va_128TBswitch
if [ $? -ne 0 ]; then
    echo "[FAIL]"
    exitcode=1
else
    echo "[PASS]"
fi
fi # VADDR64

echo "------------------------------------"
echo "running vmalloc stability smoke test"
echo "------------------------------------"
./test_vmalloc.sh smoke
ret_val=$?

if [ $ret_val -eq 0 ]; then
	echo "[PASS]"
elif [ $ret_val -eq $ksft_skip ]; then
	 echo "[SKIP]"
	 exitcode=$ksft_skip
else
	echo "[FAIL]"
	exitcode=1
fi

exit $exitcode