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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
61#filter 64bit architectures
62ARCH64STR="arm64 ia64 mips64 parisc64 ppc64 ppc64le riscv64 s390x sh64 sparc64 x86_64"
63if [ -z $ARCH ]; then
64  ARCH=`uname -m 2>/dev/null | sed -e 's/aarch64.*/arm64/'`
65fi
66VADDR64=0
67echo "$ARCH64STR" | grep $ARCH && VADDR64=1
68
69mkdir $mnt
70mount -t hugetlbfs none $mnt
71
72echo "---------------------"
73echo "running hugepage-mmap"
74echo "---------------------"
75./hugepage-mmap
76if [ $? -ne 0 ]; then
77	echo "[FAIL]"
78	exitcode=1
79else
80	echo "[PASS]"
81fi
82
83shmmax=`cat /proc/sys/kernel/shmmax`
84shmall=`cat /proc/sys/kernel/shmall`
85echo 268435456 > /proc/sys/kernel/shmmax
86echo 4194304 > /proc/sys/kernel/shmall
87echo "--------------------"
88echo "running hugepage-shm"
89echo "--------------------"
90./hugepage-shm
91if [ $? -ne 0 ]; then
92	echo "[FAIL]"
93	exitcode=1
94else
95	echo "[PASS]"
96fi
97echo $shmmax > /proc/sys/kernel/shmmax
98echo $shmall > /proc/sys/kernel/shmall
99
100echo "-------------------"
101echo "running map_hugetlb"
102echo "-------------------"
103./map_hugetlb
104if [ $? -ne 0 ]; then
105	echo "[FAIL]"
106	exitcode=1
107else
108	echo "[PASS]"
109fi
110
111echo "NOTE: The above hugetlb tests provide minimal coverage.  Use"
112echo "      https://github.com/libhugetlbfs/libhugetlbfs.git for"
113echo "      hugetlb regression testing."
114
115echo "---------------------------"
116echo "running map_fixed_noreplace"
117echo "---------------------------"
118./map_fixed_noreplace
119if [ $? -ne 0 ]; then
120	echo "[FAIL]"
121	exitcode=1
122else
123	echo "[PASS]"
124fi
125
126echo "--------------------------------------------"
127echo "running 'gup_benchmark -U' (normal/slow gup)"
128echo "--------------------------------------------"
129./gup_benchmark -U
130if [ $? -ne 0 ]; then
131	echo "[FAIL]"
132	exitcode=1
133else
134	echo "[PASS]"
135fi
136
137echo "------------------------------------------"
138echo "running gup_benchmark -b (pin_user_pages)"
139echo "------------------------------------------"
140./gup_benchmark -b
141if [ $? -ne 0 ]; then
142	echo "[FAIL]"
143	exitcode=1
144else
145	echo "[PASS]"
146fi
147
148echo "-------------------"
149echo "running userfaultfd"
150echo "-------------------"
151./userfaultfd anon 128 32
152if [ $? -ne 0 ]; then
153	echo "[FAIL]"
154	exitcode=1
155else
156	echo "[PASS]"
157fi
158
159echo "---------------------------"
160echo "running userfaultfd_hugetlb"
161echo "---------------------------"
162# Test requires source and destination huge pages.  Size of source
163# (half_ufd_size_MB) is passed as argument to test.
164./userfaultfd hugetlb $half_ufd_size_MB 32 $mnt/ufd_test_file
165if [ $? -ne 0 ]; then
166	echo "[FAIL]"
167	exitcode=1
168else
169	echo "[PASS]"
170fi
171rm -f $mnt/ufd_test_file
172
173echo "-------------------------"
174echo "running userfaultfd_shmem"
175echo "-------------------------"
176./userfaultfd shmem 128 32
177if [ $? -ne 0 ]; then
178	echo "[FAIL]"
179	exitcode=1
180else
181	echo "[PASS]"
182fi
183
184#cleanup
185umount $mnt
186rm -rf $mnt
187echo $nr_hugepgs > /proc/sys/vm/nr_hugepages
188
189echo "-----------------------"
190echo "running compaction_test"
191echo "-----------------------"
192./compaction_test
193if [ $? -ne 0 ]; then
194	echo "[FAIL]"
195	exitcode=1
196else
197	echo "[PASS]"
198fi
199
200echo "----------------------"
201echo "running on-fault-limit"
202echo "----------------------"
203sudo -u nobody ./on-fault-limit
204if [ $? -ne 0 ]; then
205	echo "[FAIL]"
206	exitcode=1
207else
208	echo "[PASS]"
209fi
210
211echo "--------------------"
212echo "running map_populate"
213echo "--------------------"
214./map_populate
215if [ $? -ne 0 ]; then
216	echo "[FAIL]"
217	exitcode=1
218else
219	echo "[PASS]"
220fi
221
222echo "-------------------------"
223echo "running mlock-random-test"
224echo "-------------------------"
225./mlock-random-test
226if [ $? -ne 0 ]; then
227	echo "[FAIL]"
228	exitcode=1
229else
230	echo "[PASS]"
231fi
232
233echo "--------------------"
234echo "running mlock2-tests"
235echo "--------------------"
236./mlock2-tests
237if [ $? -ne 0 ]; then
238	echo "[FAIL]"
239	exitcode=1
240else
241	echo "[PASS]"
242fi
243
244echo "-----------------"
245echo "running thuge-gen"
246echo "-----------------"
247./thuge-gen
248if [ $? -ne 0 ]; then
249	echo "[FAIL]"
250	exitcode=1
251else
252	echo "[PASS]"
253fi
254
255if [ $VADDR64 -ne 0 ]; then
256echo "-----------------------------"
257echo "running virtual_address_range"
258echo "-----------------------------"
259./virtual_address_range
260if [ $? -ne 0 ]; then
261	echo "[FAIL]"
262	exitcode=1
263else
264	echo "[PASS]"
265fi
266
267echo "-----------------------------"
268echo "running virtual address 128TB switch test"
269echo "-----------------------------"
270./va_128TBswitch
271if [ $? -ne 0 ]; then
272    echo "[FAIL]"
273    exitcode=1
274else
275    echo "[PASS]"
276fi
277fi # VADDR64
278
279echo "------------------------------------"
280echo "running vmalloc stability smoke test"
281echo "------------------------------------"
282./test_vmalloc.sh smoke
283ret_val=$?
284
285if [ $ret_val -eq 0 ]; then
286	echo "[PASS]"
287elif [ $ret_val -eq $ksft_skip ]; then
288	 echo "[SKIP]"
289	 exitcode=$ksft_skip
290else
291	echo "[FAIL]"
292	exitcode=1
293fi
294
295echo "------------------------------------"
296echo "running MREMAP_DONTUNMAP smoke test"
297echo "------------------------------------"
298./mremap_dontunmap
299ret_val=$?
300
301if [ $ret_val -eq 0 ]; then
302	echo "[PASS]"
303elif [ $ret_val -eq $ksft_skip ]; then
304	 echo "[SKIP]"
305	 exitcode=$ksft_skip
306else
307	echo "[FAIL]"
308	exitcode=1
309fi
310
311echo "running HMM smoke test"
312echo "------------------------------------"
313./test_hmm.sh smoke
314ret_val=$?
315
316if [ $ret_val -eq 0 ]; then
317	echo "[PASS]"
318elif [ $ret_val -eq $ksft_skip ]; then
319	echo "[SKIP]"
320	exitcode=$ksft_skip
321else
322	echo "[FAIL]"
323	exitcode=1
324fi
325
326exit $exitcode
327