diff options
Diffstat (limited to 'tools/testing/selftests/damon/_damon_sysfs.py')
| -rw-r--r-- | tools/testing/selftests/damon/_damon_sysfs.py | 13 |
1 files changed, 12 insertions, 1 deletions
diff --git a/tools/testing/selftests/damon/_damon_sysfs.py b/tools/testing/selftests/damon/_damon_sysfs.py index 43239e5b38b2..9682e18dd450 100644 --- a/tools/testing/selftests/damon/_damon_sysfs.py +++ b/tools/testing/selftests/damon/_damon_sysfs.py @@ -2,7 +2,18 @@ import os -sysfs_root = '/sys/kernel/mm/damon/admin' +ksft_skip=4 + +sysfs_root = None +with open('/proc/mounts', 'r') as f: + for line in f: + dev_name, mount_point, dev_fs = line.split()[:3] + if dev_fs == 'sysfs': + sysfs_root = '%s/kernel/mm/damon/admin' % mount_point + break +if sysfs_root is None: + print('Seems sysfs not mounted?') + exit(ksft_skip) def write_file(path, string): "Returns error string if failed, or None otherwise" |