summaryrefslogtreecommitdiffstats
path: root/kernel/tools/testing/selftests/vm/run_vmtests
blob: e11968b3677ee9e8e229a8cbb7b39878afbc9485 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
#!/bin/bash
#please run as root

#we need 256M, below is the size in kB
needmem=262144
mnt=./huge
exitcode=0

#get pagesize and freepages from /proc/meminfo
while read name size unit; do
	if [ "$name" = "HugePages_Free:" ]; then
		freepgs=$size
	fi
	if [ "$name" = "Hugepagesize:" ]; then
		pgsize=$size
	fi
done < /proc/meminfo

#set proper nr_hugepages
if [ -n "$freepgs" ] && [ -n "$pgsize" ]; then
	nr_hugepgs=`cat /proc/sys/vm/nr_hugepages`
	needpgs=`expr $needmem / $pgsize`
	tries=2
	while [ $tries -gt 0 ] && [ $freepgs -lt $needpgs ]; do
		lackpgs=$(( $needpgs - $freepgs ))
		echo 3 > /proc/sys/vm/drop_caches
		echo $(( $lackpgs + $nr_hugepgs )) > /proc/sys/vm/nr_hugepages
		if [ $? -ne 0 ]; then
			echo "Please run this test as root"
			exit 1
		fi
		while read name size unit; do
			if [ "$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

mkdir $mnt
mount -t hugetlbfs none $mnt

echo "--------------------"
echo "running hugepage-mmap"
echo "--------------------"
./hugepage-mmap
if [ $? -ne 0 ]; then
	echo "[FAIL]"
	exitcode=1
else
	echo "[PASS]"
fi

shmmax=`cat /proc/sys/kernel/shmmax`
shmall=`cat /proc/sys/kernel/shmall`
echo 268435456 > /proc/sys/kernel/shmmax
echo 4194304 > /proc/sys/kernel/shmall
echo "--------------------"
echo "running hugepage-shm"
echo "--------------------"
./hugepage-shm
if [ $? -ne 0 ]; then
	echo "[FAIL]"
	exitcode=1
else
	echo "[PASS]"
fi
echo $shmmax > /proc/sys/kernel/shmmax
echo $shmall > /proc/sys/kernel/shmall

echo "--------------------"
echo "running map_hugetlb"
echo "--------------------"
./map_hugetlb
if [ $? -ne 0 ]; then
	echo "[FAIL]"
	exitcode=1
else
	echo "[PASS]"
fi

echo "NOTE: The above hugetlb tests provide minimal coverage.  Use"
echo "      https://github.com/libhugetlbfs/libhugetlbfs.git for"
echo "      hugetlb regression testing."

echo "--------------------"
echo "running userfaultfd"
echo "--------------------"
./userfaultfd 128 32
if [ $? -ne 0 ]; then
	echo "[FAIL]"
	exitcode=1
else
	echo "[PASS]"
fi

#cleanup
umount $mnt
rm -rf $mnt
echo $nr_hugepgs > /proc/sys/vm/nr_hugepages

echo "-----------------------"
echo "running compaction_test"
echo "-----------------------"
./compaction_test
if [ $? -ne 0 ]; then
	echo "[FAIL]"
	exitcode=1
else
	echo "[PASS]"
fi

echo "--------------------"
echo "running on-fault-limit"
echo "--------------------"
sudo -u nobody ./on-fault-limit
if [ $? -ne 0 ]; then
	echo "[FAIL]"
	exitcode=1
else
	echo "[PASS]"
fi

echo "--------------------"
echo "running mlock2-tests"
echo "--------------------"
./mlock2-tests
if [ $? -ne 0 ]; then
	echo "[FAIL]"
	exitcode=1
else
	echo "[PASS]"
fi

exit $exitcode