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-rwxr-xr-xtools/testing/selftests/mm/run_vmtests.sh54
1 files changed, 50 insertions, 4 deletions
diff --git a/tools/testing/selftests/mm/run_vmtests.sh b/tools/testing/selftests/mm/run_vmtests.sh
index 246d53a5d7..4bdb3a0c7a 100755
--- a/tools/testing/selftests/mm/run_vmtests.sh
+++ b/tools/testing/selftests/mm/run_vmtests.sh
@@ -15,10 +15,11 @@ usage() {
cat <<EOF
usage: ${BASH_SOURCE[0]:-$0} [ options ]
- -a: run all tests, including extra ones
+ -a: run all tests, including extra ones (other than destructive ones)
-t: specify specific categories to tests to run
-h: display this message
-n: disable TAP output
+ -d: run destructive tests
The default behavior is to run required tests only. If -a is specified,
will run all tests.
@@ -64,6 +65,8 @@ separated by spaces:
test copy-on-write semantics
- thp
test transparent huge pages
+- hugetlb
+ test hugetlbfs huge pages
- migration
invoke move_pages(2) to exercise the migration entry code
paths in the kernel
@@ -79,6 +82,7 @@ EOF
}
RUN_ALL=false
+RUN_DESTRUCTIVE=false
TAP_PREFIX="# "
while getopts "aht:n" OPT; do
@@ -87,6 +91,7 @@ while getopts "aht:n" OPT; do
"h") usage ;;
"t") VM_SELFTEST_ITEMS=${OPTARG} ;;
"n") TAP_PREFIX= ;;
+ "d") RUN_DESTRUCTIVE=true ;;
esac
done
shift $((OPTIND -1))
@@ -173,7 +178,6 @@ if [ -n "$freepgs" ] && [ -n "$hpgsize_KB" ]; then
if [ "$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?"
@@ -206,6 +210,15 @@ pretty_name() {
# Usage: run_test [test binary] [arbitrary test arguments...]
run_test() {
if test_selected ${CATEGORY}; then
+ # On memory constrainted systems some tests can fail to allocate hugepages.
+ # perform some cleanup before the test for a higher success rate.
+ if [ ${CATEGORY} == "thp" ] | [ ${CATEGORY} == "hugetlb" ]; then
+ echo 3 > /proc/sys/vm/drop_caches
+ sleep 2
+ echo 1 > /proc/sys/vm/compact_memory
+ sleep 2
+ fi
+
local test=$(pretty_name "$*")
local title="running $*"
local sep=$(echo -n "$title" | tr "[:graph:][:space:]" -)
@@ -253,6 +266,7 @@ nr_hugepages_tmp=$(cat /proc/sys/vm/nr_hugepages)
# For this test, we need one and just one huge page
echo 1 > /proc/sys/vm/nr_hugepages
CATEGORY="hugetlb" run_test ./hugetlb_fault_after_madv
+CATEGORY="hugetlb" run_test ./hugetlb_madv_vs_map
# Restore the previous number of huge pages, since further tests rely on it
echo "$nr_hugepages_tmp" > /proc/sys/vm/nr_hugepages
@@ -291,7 +305,12 @@ echo "$nr_hugepgs" > /proc/sys/vm/nr_hugepages
CATEGORY="compaction" run_test ./compaction_test
-CATEGORY="mlock" run_test sudo -u nobody ./on-fault-limit
+if command -v sudo &> /dev/null;
+then
+ CATEGORY="mlock" run_test sudo -u nobody ./on-fault-limit
+else
+ echo "# SKIP ./on-fault-limit"
+fi
CATEGORY="mmap" run_test ./map_populate
@@ -304,6 +323,11 @@ CATEGORY="process_mrelease" run_test ./mrelease_test
CATEGORY="mremap" run_test ./mremap_test
CATEGORY="hugetlb" run_test ./thuge-gen
+CATEGORY="hugetlb" run_test ./charge_reserved_hugetlb.sh -cgroup-v2
+CATEGORY="hugetlb" run_test ./hugetlb_reparenting_test.sh -cgroup-v2
+if $RUN_DESTRUCTIVE; then
+CATEGORY="hugetlb" run_test ./hugetlb-read-hwpoison
+fi
if [ $VADDR64 -ne 0 ]; then
@@ -361,6 +385,7 @@ CATEGORY="ksm_numa" run_test ./ksm_tests -N -m 0
CATEGORY="ksm" run_test ./ksm_functional_tests
# protection_keys tests
+nr_hugepgs=$(cat /proc/sys/vm/nr_hugepages)
if [ -x ./protection_keys_32 ]
then
CATEGORY="pkey" run_test ./protection_keys_32
@@ -370,6 +395,7 @@ if [ -x ./protection_keys_64 ]
then
CATEGORY="pkey" run_test ./protection_keys_64
fi
+echo "$nr_hugepgs" > /proc/sys/vm/nr_hugepages
if [ -x ./soft-dirty ]
then
@@ -387,7 +413,27 @@ CATEGORY="thp" run_test ./khugepaged -s 2
CATEGORY="thp" run_test ./transhuge-stress -d 20
-CATEGORY="thp" run_test ./split_huge_page_test
+# Try to create XFS if not provided
+if [ -z "${SPLIT_HUGE_PAGE_TEST_XFS_PATH}" ]; then
+ if test_selected "thp"; then
+ if grep xfs /proc/filesystems &>/dev/null; then
+ XFS_IMG=$(mktemp /tmp/xfs_img_XXXXXX)
+ SPLIT_HUGE_PAGE_TEST_XFS_PATH=$(mktemp -d /tmp/xfs_dir_XXXXXX)
+ truncate -s 314572800 ${XFS_IMG}
+ mkfs.xfs -q ${XFS_IMG}
+ mount -o loop ${XFS_IMG} ${SPLIT_HUGE_PAGE_TEST_XFS_PATH}
+ MOUNTED_XFS=1
+ fi
+ fi
+fi
+
+CATEGORY="thp" run_test ./split_huge_page_test ${SPLIT_HUGE_PAGE_TEST_XFS_PATH}
+
+if [ -n "${MOUNTED_XFS}" ]; then
+ umount ${SPLIT_HUGE_PAGE_TEST_XFS_PATH}
+ rmdir ${SPLIT_HUGE_PAGE_TEST_XFS_PATH}
+ rm -f ${XFS_IMG}
+fi
CATEGORY="migration" run_test ./migration