diff options
Diffstat (limited to 'tools/testing/selftests/damon/_damon_sysfs.py')
| -rw-r--r-- | tools/testing/selftests/damon/_damon_sysfs.py | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/tools/testing/selftests/damon/_damon_sysfs.py b/tools/testing/selftests/damon/_damon_sysfs.py index 6e136dc3df19..5b1cb6b3ce4e 100644 --- a/tools/testing/selftests/damon/_damon_sysfs.py +++ b/tools/testing/selftests/damon/_damon_sysfs.py @@ -15,6 +15,10 @@ if sysfs_root is None: print('Seems sysfs not mounted?') exit(ksft_skip) +if not os.path.exists(sysfs_root): + print('Seems DAMON disabled?') + exit(ksft_skip) + def write_file(path, string): "Returns error string if failed, or None otherwise" string = '%s' % string @@ -420,11 +424,16 @@ class Kdamond: tried_regions = [] tried_regions_dir = os.path.join( scheme.sysfs_dir(), 'tried_regions') + region_indices = [] for filename in os.listdir( os.path.join(scheme.sysfs_dir(), 'tried_regions')): tried_region_dir = os.path.join(tried_regions_dir, filename) if not os.path.isdir(tried_region_dir): continue + region_indices.append(int(filename)) + for region_idx in sorted(region_indices): + tried_region_dir = os.path.join(tried_regions_dir, + '%d' % region_idx) region_values = [] for f in ['start', 'end', 'nr_accesses', 'age']: content, err = read_file( |