tools/testing/selftests/vm/run_vmtests

   1 #!/bin/bash
   2 # SPDX-License-Identifier: GPL-2.0
   3 #please run as root
   4
   5 # Kselftest framework requirement - SKIP code is 4.
   6 ksft_skip=4
   7
   8 mnt=./huge
   9 exitcode=0
  10
  11 #get huge pagesize and freepages from /proc/meminfo
  12 while read name size unit; do
  13         if [ "$name" = "HugePages_Free:" ]; then
  14                 freepgs=$size
  15         fi
  16         if [ "$name" = "Hugepagesize:" ]; then
  17                 hpgsize_KB=$size
  18         fi
  19 done < /proc/meminfo
  20
  21 # Simple hugetlbfs tests have a hardcoded minimum requirement of
  22 # huge pages totaling 256MB (262144KB) in size.  The userfaultfd
  23 # hugetlb test requires a minimum of 2 * nr_cpus huge pages.  Take
  24 # both of these requirements into account and attempt to increase
  25 # number of huge pages available.
  26 nr_cpus=$(nproc)
  27 hpgsize_MB=$((hpgsize_KB / 1024))
  28 half_ufd_size_MB=$((((nr_cpus * hpgsize_MB + 127) / 128) * 128))
  29 needmem_KB=$((half_ufd_size_MB * 2 * 1024))
  30
  31 #set proper nr_hugepages
  32 if [ -n "$freepgs" ] && [ -n "$hpgsize_KB" ]; then
  33         nr_hugepgs=`cat /proc/sys/vm/nr_hugepages`
  34         needpgs=$((needmem_KB / hpgsize_KB))
  35         tries=2
  36         while [ $tries -gt 0 ] && [ $freepgs -lt $needpgs ]; do
  37                 lackpgs=$(( $needpgs - $freepgs ))
  38                 echo 3 > /proc/sys/vm/drop_caches
  39                 echo $(( $lackpgs + $nr_hugepgs )) > /proc/sys/vm/nr_hugepages
  40                 if [ $? -ne 0 ]; then
  41                         echo "Please run this test as root"
  42                         exit $ksft_skip
  43                 fi
  44                 while read name size unit; do
  45                         if [ "$name" = "HugePages_Free:" ]; then
  46                                 freepgs=$size
  47                         fi
  48                 done < /proc/meminfo
  49                 tries=$((tries - 1))
  50         done
  51         if [ $freepgs -lt $needpgs ]; then
  52                 printf "Not enough huge pages available (%d < %d)\n" \
  53                        $freepgs $needpgs
  54                 exit 1
  55         fi
  56 else
  57         echo "no hugetlbfs support in kernel?"
  58         exit 1
  59 fi
  60
  61 #filter 64bit architectures
  62 ARCH64STR="arm64 ia64 mips64 parisc64 ppc64 riscv64 s390x sh64 sparc64 x86_64"
  63 if [ -z $ARCH ]; then
  64   ARCH=`uname -m 2>/dev/null | sed -e 's/aarch64.*/arm64/'`
  65 fi
  66 VADDR64=0
  67 echo "$ARCH64STR" | grep $ARCH && VADDR64=1
  68
  69 mkdir $mnt
  70 mount -t hugetlbfs none $mnt
  71
  72 echo "---------------------"
  73 echo "running hugepage-mmap"
  74 echo "---------------------"
  75 ./hugepage-mmap
  76 if [ $? -ne 0 ]; then
  77         echo "[FAIL]"
  78         exitcode=1
  79 else
  80         echo "[PASS]"
  81 fi
  82
  83 shmmax=`cat /proc/sys/kernel/shmmax`
  84 shmall=`cat /proc/sys/kernel/shmall`
  85 echo 268435456 > /proc/sys/kernel/shmmax
  86 echo 4194304 > /proc/sys/kernel/shmall
  87 echo "--------------------"
  88 echo "running hugepage-shm"
  89 echo "--------------------"
  90 ./hugepage-shm
  91 if [ $? -ne 0 ]; then
  92         echo "[FAIL]"
  93         exitcode=1
  94 else
  95         echo "[PASS]"
  96 fi
  97 echo $shmmax > /proc/sys/kernel/shmmax
  98 echo $shmall > /proc/sys/kernel/shmall
  99
 100 echo "-------------------"
 101 echo "running map_hugetlb"
 102 echo "-------------------"
 103 ./map_hugetlb
 104 if [ $? -ne 0 ]; then
 105         echo "[FAIL]"
 106         exitcode=1
 107 else
 108         echo "[PASS]"
 109 fi
 110
 111 echo "NOTE: The above hugetlb tests provide minimal coverage.  Use"
 112 echo "      https://github.com/libhugetlbfs/libhugetlbfs.git for"
 113 echo "      hugetlb regression testing."
 114
 115 echo "-------------------"
 116 echo "running userfaultfd"
 117 echo "-------------------"
 118 ./userfaultfd anon 128 32
 119 if [ $? -ne 0 ]; then
 120         echo "[FAIL]"
 121         exitcode=1
 122 else
 123         echo "[PASS]"
 124 fi
 125
 126 echo "---------------------------"
 127 echo "running userfaultfd_hugetlb"
 128 echo "---------------------------"
 129 # Test requires source and destination huge pages.  Size of source
 130 # (half_ufd_size_MB) is passed as argument to test.
 131 ./userfaultfd hugetlb $half_ufd_size_MB 32 $mnt/ufd_test_file
 132 if [ $? -ne 0 ]; then
 133         echo "[FAIL]"
 134         exitcode=1
 135 else
 136         echo "[PASS]"
 137 fi
 138 rm -f $mnt/ufd_test_file
 139
 140 echo "-------------------------"
 141 echo "running userfaultfd_shmem"
 142 echo "-------------------------"
 143 ./userfaultfd shmem 128 32
 144 if [ $? -ne 0 ]; then
 145         echo "[FAIL]"
 146         exitcode=1
 147 else
 148         echo "[PASS]"
 149 fi
 150
 151 #cleanup
 152 umount $mnt
 153 rm -rf $mnt
 154 echo $nr_hugepgs > /proc/sys/vm/nr_hugepages
 155
 156 echo "-----------------------"
 157 echo "running compaction_test"
 158 echo "-----------------------"
 159 ./compaction_test
 160 if [ $? -ne 0 ]; then
 161         echo "[FAIL]"
 162         exitcode=1
 163 else
 164         echo "[PASS]"
 165 fi
 166
 167 echo "----------------------"
 168 echo "running on-fault-limit"
 169 echo "----------------------"
 170 sudo -u nobody ./on-fault-limit
 171 if [ $? -ne 0 ]; then
 172         echo "[FAIL]"
 173         exitcode=1
 174 else
 175         echo "[PASS]"
 176 fi
 177
 178 echo "--------------------"
 179 echo "running map_populate"
 180 echo "--------------------"
 181 ./map_populate
 182 if [ $? -ne 0 ]; then
 183         echo "[FAIL]"
 184         exitcode=1
 185 else
 186         echo "[PASS]"
 187 fi
 188
 189 echo "--------------------"
 190 echo "running mlock2-tests"
 191 echo "--------------------"
 192 ./mlock2-tests
 193 if [ $? -ne 0 ]; then
 194         echo "[FAIL]"
 195         exitcode=1
 196 else
 197         echo "[PASS]"
 198 fi
 199
 200 if [ $VADDR64 -ne 0 ]; then
 201 echo "-----------------------------"
 202 echo "running virtual_address_range"
 203 echo "-----------------------------"
 204 ./virtual_address_range
 205 if [ $? -ne 0 ]; then
 206         echo "[FAIL]"
 207         exitcode=1
 208 else
 209         echo "[PASS]"
 210 fi
 211
 212 echo "-----------------------------"
 213 echo "running virtual address 128TB switch test"
 214 echo "-----------------------------"
 215 ./va_128TBswitch
 216 if [ $? -ne 0 ]; then
 217     echo "[FAIL]"
 218     exitcode=1
 219 else
 220     echo "[PASS]"
 221 fi
 222 fi # VADDR64
 223
 224 echo "------------------------------------"
 225 echo "running vmalloc stability smoke test"
 226 echo "------------------------------------"
 227 ./test_vmalloc.sh smoke
 228 ret_val=$?
 229
 230 if [ $ret_val -eq 0 ]; then
 231         echo "[PASS]"
 232 elif [ $ret_val -eq $ksft_skip ]; then
 233          echo "[SKIP]"
 234          exitcode=$ksft_skip
 235 else
 236         echo "[FAIL]"
 237         exitcode=1
 238 fi
 239
 240 exit $exitcode