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1#!/bin/bash
2#please run as root
3
4#we need 256M, below is the size in kB
5needmem=262144
6mnt=./huge
7exitcode=0
8
9#get pagesize and freepages from /proc/meminfo
10while read name size unit; do
11 if [ "$name" = "HugePages_Free:" ]; then
12 freepgs=$size
13 fi
14 if [ "$name" = "Hugepagesize:" ]; then
15 pgsize=$size
16 fi
17done < /proc/meminfo
18
19#set proper nr_hugepages
20if [ -n "$freepgs" ] && [ -n "$pgsize" ]; then
21 nr_hugepgs=`cat /proc/sys/vm/nr_hugepages`
22 needpgs=`expr $needmem / $pgsize`
23 if [ $freepgs -lt $needpgs ]; then
24 lackpgs=$(( $needpgs - $freepgs ))
25 echo $(( $lackpgs + $nr_hugepgs )) > /proc/sys/vm/nr_hugepages
26 if [ $? -ne 0 ]; then
27 echo "Please run this test as root"
28 exit 1
29 fi
30 fi
31else
32 echo "no hugetlbfs support in kernel?"
33 exit 1
34fi
35
36mkdir $mnt
37mount -t hugetlbfs none $mnt
38
39echo "--------------------"
40echo "running hugepage-mmap"
41echo "--------------------"
42./hugepage-mmap
43if [ $? -ne 0 ]; then
44 echo "[FAIL]"
45 exitcode=1
46else
47 echo "[PASS]"
48fi
49
50shmmax=`cat /proc/sys/kernel/shmmax`
51shmall=`cat /proc/sys/kernel/shmall`
52echo 268435456 > /proc/sys/kernel/shmmax
53echo 4194304 > /proc/sys/kernel/shmall
54echo "--------------------"
55echo "running hugepage-shm"
56echo "--------------------"
57./hugepage-shm
58if [ $? -ne 0 ]; then
59 echo "[FAIL]"
60 exitcode=1
61else
62 echo "[PASS]"
63fi
64echo $shmmax > /proc/sys/kernel/shmmax
65echo $shmall > /proc/sys/kernel/shmall
66
67echo "--------------------"
68echo "running map_hugetlb"
69echo "--------------------"
70./map_hugetlb
71if [ $? -ne 0 ]; then
72 echo "[FAIL]"
73 exitcode=1
74else
75 echo "[PASS]"
76fi
77
78echo "--------------------"
79echo "running hugetlbfstest"
80echo "--------------------"
81./hugetlbfstest
82if [ $? -ne 0 ]; then
83 echo "[FAIL]"
84 exitcode=1
85else
86 echo "[PASS]"
87fi
88
89#cleanup
90umount $mnt
91rm -rf $mnt
92echo $nr_hugepgs > /proc/sys/vm/nr_hugepages
93exit $exitcode
1#!/bin/bash
2# SPDX-License-Identifier: GPL-2.0
3#please run as root
4
5# Kselftest framework requirement - SKIP code is 4.
6ksft_skip=4
7
8mnt=./huge
9exitcode=0
10
11#get huge pagesize and freepages from /proc/meminfo
12while read name size unit; do
13 if [ "$name" = "HugePages_Free:" ]; then
14 freepgs=$size
15 fi
16 if [ "$name" = "Hugepagesize:" ]; then
17 hpgsize_KB=$size
18 fi
19done < /proc/meminfo
20
21# Simple hugetlbfs tests have a hardcoded minimum requirement of
22# huge pages totaling 256MB (262144KB) in size. The userfaultfd
23# hugetlb test requires a minimum of 2 * nr_cpus huge pages. Take
24# both of these requirements into account and attempt to increase
25# number of huge pages available.
26nr_cpus=$(nproc)
27hpgsize_MB=$((hpgsize_KB / 1024))
28half_ufd_size_MB=$((((nr_cpus * hpgsize_MB + 127) / 128) * 128))
29needmem_KB=$((half_ufd_size_MB * 2 * 1024))
30
31#set proper nr_hugepages
32if [ -n "$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
56else
57 echo "no hugetlbfs support in kernel?"
58 exit 1
59fi
60
61mkdir $mnt
62mount -t hugetlbfs none $mnt
63
64echo "---------------------"
65echo "running hugepage-mmap"
66echo "---------------------"
67./hugepage-mmap
68if [ $? -ne 0 ]; then
69 echo "[FAIL]"
70 exitcode=1
71else
72 echo "[PASS]"
73fi
74
75shmmax=`cat /proc/sys/kernel/shmmax`
76shmall=`cat /proc/sys/kernel/shmall`
77echo 268435456 > /proc/sys/kernel/shmmax
78echo 4194304 > /proc/sys/kernel/shmall
79echo "--------------------"
80echo "running hugepage-shm"
81echo "--------------------"
82./hugepage-shm
83if [ $? -ne 0 ]; then
84 echo "[FAIL]"
85 exitcode=1
86else
87 echo "[PASS]"
88fi
89echo $shmmax > /proc/sys/kernel/shmmax
90echo $shmall > /proc/sys/kernel/shmall
91
92echo "-------------------"
93echo "running map_hugetlb"
94echo "-------------------"
95./map_hugetlb
96if [ $? -ne 0 ]; then
97 echo "[FAIL]"
98 exitcode=1
99else
100 echo "[PASS]"
101fi
102
103echo "NOTE: The above hugetlb tests provide minimal coverage. Use"
104echo " https://github.com/libhugetlbfs/libhugetlbfs.git for"
105echo " hugetlb regression testing."
106
107echo "-------------------"
108echo "running userfaultfd"
109echo "-------------------"
110./userfaultfd anon 128 32
111if [ $? -ne 0 ]; then
112 echo "[FAIL]"
113 exitcode=1
114else
115 echo "[PASS]"
116fi
117
118echo "---------------------------"
119echo "running userfaultfd_hugetlb"
120echo "---------------------------"
121# Test requires source and destination huge pages. Size of source
122# (half_ufd_size_MB) is passed as argument to test.
123./userfaultfd hugetlb $half_ufd_size_MB 32 $mnt/ufd_test_file
124if [ $? -ne 0 ]; then
125 echo "[FAIL]"
126 exitcode=1
127else
128 echo "[PASS]"
129fi
130rm -f $mnt/ufd_test_file
131
132echo "-------------------------"
133echo "running userfaultfd_shmem"
134echo "-------------------------"
135./userfaultfd shmem 128 32
136if [ $? -ne 0 ]; then
137 echo "[FAIL]"
138 exitcode=1
139else
140 echo "[PASS]"
141fi
142
143#cleanup
144umount $mnt
145rm -rf $mnt
146echo $nr_hugepgs > /proc/sys/vm/nr_hugepages
147
148echo "-----------------------"
149echo "running compaction_test"
150echo "-----------------------"
151./compaction_test
152if [ $? -ne 0 ]; then
153 echo "[FAIL]"
154 exitcode=1
155else
156 echo "[PASS]"
157fi
158
159echo "----------------------"
160echo "running on-fault-limit"
161echo "----------------------"
162sudo -u nobody ./on-fault-limit
163if [ $? -ne 0 ]; then
164 echo "[FAIL]"
165 exitcode=1
166else
167 echo "[PASS]"
168fi
169
170echo "--------------------"
171echo "running map_populate"
172echo "--------------------"
173./map_populate
174if [ $? -ne 0 ]; then
175 echo "[FAIL]"
176 exitcode=1
177else
178 echo "[PASS]"
179fi
180
181echo "--------------------"
182echo "running mlock2-tests"
183echo "--------------------"
184./mlock2-tests
185if [ $? -ne 0 ]; then
186 echo "[FAIL]"
187 exitcode=1
188else
189 echo "[PASS]"
190fi
191
192echo "-----------------------------"
193echo "running virtual_address_range"
194echo "-----------------------------"
195./virtual_address_range
196if [ $? -ne 0 ]; then
197 echo "[FAIL]"
198 exitcode=1
199else
200 echo "[PASS]"
201fi
202
203echo "-----------------------------"
204echo "running virtual address 128TB switch test"
205echo "-----------------------------"
206./va_128TBswitch
207if [ $? -ne 0 ]; then
208 echo "[FAIL]"
209 exitcode=1
210else
211 echo "[PASS]"
212fi
213
214echo "------------------------------------"
215echo "running vmalloc stability smoke test"
216echo "------------------------------------"
217./test_vmalloc.sh smoke
218ret_val=$?
219
220if [ $ret_val -eq 0 ]; then
221 echo "[PASS]"
222elif [ $ret_val -eq $ksft_skip ]; then
223 echo "[SKIP]"
224 exitcode=$ksft_skip
225else
226 echo "[FAIL]"
227 exitcode=1
228fi
229
230exit $exitcode