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#!/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 -r 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
# if ! echo $((lackpgs + nr_hugepgs)) > /proc/sys/vm/nr_hugepages; then
# echo "Please run this test as root"
# exit $ksft_skip
# fi
# while read -r name size unit; do
# if [ "$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 ppc64le 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
# Usage: run_test [test binary] [arbitrary test arguments...]
run_test() {
local title="running $*"
local sep=$(echo -n "$title" | tr "[:graph:][:space:]" -)
printf "%s\n%s\n%s\n" "$sep" "$title" "$sep"
"$@"
local ret=$?
if [ $ret -eq 0 ]; then
echo "[PASS]"
elif [ $ret -eq $ksft_skip ]; then
echo "[SKIP]"
exitcode=$ksft_skip
else
echo "[FAIL]"
exitcode=1
fi
}
#mkdir "$mnt"
#mount -t hugetlbfs none "$mnt"
#
#run_test ./hugepage-mmap
#
#shmmax=$(cat /proc/sys/kernel/shmmax)
#shmall=$(cat /proc/sys/kernel/shmall)
#echo 268435456 > /proc/sys/kernel/shmmax
#echo 4194304 > /proc/sys/kernel/shmall
#run_test ./hugepage-shm
#echo "$shmmax" > /proc/sys/kernel/shmmax
#echo "$shmall" > /proc/sys/kernel/shmall
#
#run_test ./map_hugetlb
#
#run_test ./hugepage-mremap "$mnt"/huge_mremap
#rm -f "$mnt"/huge_mremap
#
#run_test ./hugepage-vmemmap
#
#run_test ./hugetlb-madvise "$mnt"/madvise-test
#rm -f "$mnt"/madvise-test
#
#echo "NOTE: The above hugetlb tests provide minimal coverage. Use"
#echo " https://github.com/libhugetlbfs/libhugetlbfs.git for"
#echo " hugetlb regression testing."
#
#run_test ./map_fixed_noreplace
#
## get_user_pages_fast() benchmark
#run_test ./gup_test -u
## pin_user_pages_fast() benchmark
#run_test ./gup_test -a
## Dump pages 0, 19, and 4096, using pin_user_pages:
#run_test ./gup_test -ct -F 0x1 0 19 0x1000
#
#uffd_mods=("" ":dev")
#for mod in "${uffd_mods[@]}"; do
# run_test ./userfaultfd anon${mod} 20 16
# # Hugetlb tests require source and destination huge pages. Pass in half
# # the size ($half_ufd_size_MB), which is used for *each*.
# run_test ./userfaultfd hugetlb${mod} "$half_ufd_size_MB" 32
# run_test ./userfaultfd hugetlb_shared${mod} "$half_ufd_size_MB" 32 "$mnt"/uffd-test
# rm -f "$mnt"/uffd-test
# run_test ./userfaultfd shmem${mod} 20 16
#done
#
##cleanup
#umount "$mnt"
#rm -rf "$mnt"
#echo "$nr_hugepgs" > /proc/sys/vm/nr_hugepages
#
#run_test ./compaction_test
run_test sudo -u nobody ./on-fault-limit
#run_test ./map_populate
run_test ./mlock-random-test
run_test ./mlock2-tests
run_test ./mrelease_test
run_test ./mremap_test
run_test ./thuge-gen
#if [ $VADDR64 -ne 0 ]; then
# run_test ./virtual_address_range
#
# # virtual address 128TB switch test
# run_test ./va_128TBswitch.sh
#fi # VADDR64
# vmalloc stability smoke test
#run_test ./test_vmalloc.sh smoke
run_test ./mremap_dontunmap
#run_test ./test_hmm.sh smoke
## MADV_POPULATE_READ and MADV_POPULATE_WRITE tests
#run_test ./madv_populate
#
#run_test ./memfd_secret
## KSM MADV_MERGEABLE test with 10 identical pages
#run_test ./ksm_tests -M -p 10
## KSM unmerge test
#run_test ./ksm_tests -U
## KSM test with 10 zero pages and use_zero_pages = 0
#run_test ./ksm_tests -Z -p 10 -z 0
## KSM test with 10 zero pages and use_zero_pages = 1
#run_test ./ksm_tests -Z -p 10 -z 1
## KSM test with 2 NUMA nodes and merge_across_nodes = 1
#run_test ./ksm_tests -N -m 1
## KSM test with 2 NUMA nodes and merge_across_nodes = 0
#run_test ./ksm_tests -N -m 0
## protection_keys tests
#if [ -x ./protection_keys_32 ]
#then
# run_test ./protection_keys_32
#fi
#
#if [ -x ./protection_keys_64 ]
#then
# run_test ./protection_keys_64
#fi
#
#run_test ./soft-dirty
exit $exitcode
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