selftests/damon/sysfs.py: test adaptive targets parameter

Add DAMON sysfs interface functionality tests for setup of basic adaptive
targets parameters.

Link: https://lkml.kernel.org/r/20250628160428.53115-6-sj@kernel.org
Signed-off-by: SeongJae Park <sj@kernel.org>
Cc: Shuah Khan <shuah@kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>

diff --git a/tools/testing/selftests/damon/sysfs.py b/tools/testing/selftests/damon/sysfs.py
index a721901a880d6d8e6415bd71cd2d8447b4b2aa20..3b085268f342cadf6607361552bff8bb4f97e726 100755 (executable)
--- a/tools/testing/selftests/damon/sysfs.py
+++ b/tools/testing/selftests/damon/sysfs.py
@@ -27,7 +27,9 @@ def fail(expectation, status):
 
 def main():
     kdamonds = _damon_sysfs.Kdamonds(
-            [_damon_sysfs.Kdamond(contexts=[_damon_sysfs.DamonCtx()])])
+            [_damon_sysfs.Kdamond(
+                contexts=[_damon_sysfs.DamonCtx(
+                    targets=[_damon_sysfs.DamonTarget(pid=-1)])])])
     err = kdamonds.start()
     if err is not None:
         print('kdamond start failed: %s' % err)
@@ -60,8 +62,9 @@ def main():
     if attrs['max_nr_regions'] != 1000:
         fail('max_nr_regions')
 
-    if ctx['adaptive_targets'] != []:
-        fail('adaptive_targets')
+    if ctx['adaptive_targets'] != [
+            { 'pid': 0, 'nr_regions': 0, 'regions_list': []}]:
+        fail('adaptive targets', status)
 
     if ctx['schemes'] != []:
         fail('schemes')