#!/bin/bash
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# SPDX-License-Identifier: GPL-2.0
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#please run as root
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# Kselftest framework requirement - SKIP code is 4.
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ksft_skip=4
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mnt=./huge
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exitcode=0
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#get huge pagesize and freepages from /proc/meminfo
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while read name size unit; do
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if [ "$name" = "HugePages_Free:" ]; then
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freepgs=$size
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fi
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if [ "$name" = "Hugepagesize:" ]; then
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hpgsize_KB=$size
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fi
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done < /proc/meminfo
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# Simple hugetlbfs tests have a hardcoded minimum requirement of
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# huge pages totaling 256MB (262144KB) in size. The userfaultfd
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# hugetlb test requires a minimum of 2 * nr_cpus huge pages. Take
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# both of these requirements into account and attempt to increase
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# number of huge pages available.
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nr_cpus=$(nproc)
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hpgsize_MB=$((hpgsize_KB / 1024))
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half_ufd_size_MB=$((((nr_cpus * hpgsize_MB + 127) / 128) * 128))
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needmem_KB=$((half_ufd_size_MB * 2 * 1024))
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#set proper nr_hugepages
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if [ -n "$freepgs" ] && [ -n "$hpgsize_KB" ]; then
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nr_hugepgs=`cat /proc/sys/vm/nr_hugepages`
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needpgs=$((needmem_KB / hpgsize_KB))
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tries=2
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while [ $tries -gt 0 ] && [ $freepgs -lt $needpgs ]; do
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lackpgs=$(( $needpgs - $freepgs ))
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echo 3 > /proc/sys/vm/drop_caches
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echo $(( $lackpgs + $nr_hugepgs )) > /proc/sys/vm/nr_hugepages
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if [ $? -ne 0 ]; then
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echo "Please run this test as root"
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exit $ksft_skip
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fi
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while read name size unit; do
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if [ "$name" = "HugePages_Free:" ]; then
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freepgs=$size
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fi
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done < /proc/meminfo
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tries=$((tries - 1))
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done
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if [ $freepgs -lt $needpgs ]; then
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printf "Not enough huge pages available (%d < %d)\n" \
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$freepgs $needpgs
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exit 1
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fi
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else
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echo "no hugetlbfs support in kernel?"
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exit 1
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fi
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mkdir $mnt
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mount -t hugetlbfs none $mnt
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echo "---------------------"
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echo "running hugepage-mmap"
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echo "---------------------"
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./hugepage-mmap
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if [ $? -ne 0 ]; then
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echo "[FAIL]"
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exitcode=1
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else
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echo "[PASS]"
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fi
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shmmax=`cat /proc/sys/kernel/shmmax`
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shmall=`cat /proc/sys/kernel/shmall`
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echo 268435456 > /proc/sys/kernel/shmmax
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echo 4194304 > /proc/sys/kernel/shmall
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echo "--------------------"
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echo "running hugepage-shm"
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echo "--------------------"
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./hugepage-shm
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if [ $? -ne 0 ]; then
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echo "[FAIL]"
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exitcode=1
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else
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echo "[PASS]"
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fi
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echo $shmmax > /proc/sys/kernel/shmmax
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echo $shmall > /proc/sys/kernel/shmall
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echo "-------------------"
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echo "running map_hugetlb"
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echo "-------------------"
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./map_hugetlb
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if [ $? -ne 0 ]; then
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echo "[FAIL]"
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exitcode=1
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else
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echo "[PASS]"
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fi
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echo "NOTE: The above hugetlb tests provide minimal coverage. Use"
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echo " https://github.com/libhugetlbfs/libhugetlbfs.git for"
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echo " hugetlb regression testing."
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echo "-------------------"
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echo "running userfaultfd"
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echo "-------------------"
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./userfaultfd anon 128 32
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if [ $? -ne 0 ]; then
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echo "[FAIL]"
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exitcode=1
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else
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echo "[PASS]"
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fi
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echo "---------------------------"
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echo "running userfaultfd_hugetlb"
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echo "---------------------------"
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# Test requires source and destination huge pages. Size of source
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# (half_ufd_size_MB) is passed as argument to test.
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./userfaultfd hugetlb $half_ufd_size_MB 32 $mnt/ufd_test_file
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if [ $? -ne 0 ]; then
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echo "[FAIL]"
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exitcode=1
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else
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echo "[PASS]"
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fi
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rm -f $mnt/ufd_test_file
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echo "-------------------------"
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echo "running userfaultfd_shmem"
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echo "-------------------------"
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./userfaultfd shmem 128 32
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if [ $? -ne 0 ]; then
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echo "[FAIL]"
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exitcode=1
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else
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echo "[PASS]"
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fi
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#cleanup
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umount $mnt
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rm -rf $mnt
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echo $nr_hugepgs > /proc/sys/vm/nr_hugepages
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echo "-----------------------"
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echo "running compaction_test"
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echo "-----------------------"
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./compaction_test
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if [ $? -ne 0 ]; then
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echo "[FAIL]"
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exitcode=1
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else
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echo "[PASS]"
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fi
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echo "----------------------"
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echo "running on-fault-limit"
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echo "----------------------"
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sudo -u nobody ./on-fault-limit
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if [ $? -ne 0 ]; then
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echo "[FAIL]"
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exitcode=1
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else
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echo "[PASS]"
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fi
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echo "--------------------"
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echo "running map_populate"
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echo "--------------------"
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./map_populate
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if [ $? -ne 0 ]; then
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echo "[FAIL]"
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exitcode=1
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else
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echo "[PASS]"
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fi
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echo "--------------------"
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echo "running mlock2-tests"
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echo "--------------------"
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./mlock2-tests
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if [ $? -ne 0 ]; then
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echo "[FAIL]"
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exitcode=1
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else
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echo "[PASS]"
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fi
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echo "-----------------------------"
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echo "running virtual_address_range"
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echo "-----------------------------"
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./virtual_address_range
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if [ $? -ne 0 ]; then
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echo "[FAIL]"
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exitcode=1
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else
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echo "[PASS]"
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fi
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echo "-----------------------------"
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echo "running virtual address 128TB switch test"
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echo "-----------------------------"
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./va_128TBswitch
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if [ $? -ne 0 ]; then
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echo "[FAIL]"
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exitcode=1
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else
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echo "[PASS]"
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fi
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exit $exitcode
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