blob: de86983b8a0f35839cbff9e529cff6863fb8aecc (
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
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
|
#!/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
run_test ./userfaultfd anon 20 16
# Test requires source and destination huge pages. Size of source
# (half_ufd_size_MB) is passed as argument to test.
run_test ./userfaultfd hugetlb "$half_ufd_size_MB" 32
run_test ./userfaultfd shmem 20 16
#cleanup
umount "$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
|
