selftests/damon/sysfs.py: test goal_tuner commit

Extend the near-full DAMON parameters commit selftest to commit goal_tuner
and confirm the internal status is updated as expected.

Link: https://lkml.kernel.org/r/20260310010529.91162-12-sj@kernel.org
Signed-off-by: SeongJae Park <sj@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 9cca71eb0325ebb01baf7e8a6fc2396b54f56767..3aa5c91548a53e06ecb22af6340e868c9f1aeeac 100755 (executable)
--- a/tools/testing/selftests/damon/sysfs.py
+++ b/tools/testing/selftests/damon/sysfs.py
@@ -67,6 +67,12 @@ def assert_quota_committed(quota, dump):
     assert_true(dump['sz'] == quota.sz, 'sz', dump)
     for idx, qgoal in enumerate(quota.goals):
         assert_quota_goal_committed(qgoal, dump['goals'][idx])
+    tuner_val = {
+            'consist': 0,
+            'temporal': 1,
+            }
+    assert_true(dump['goal_tuner'] == tuner_val[quota.goal_tuner],
+                'goal_tuner', dump)
     assert_true(dump['weight_sz'] == quota.weight_sz_permil, 'weight_sz', dump)
     assert_true(dump['weight_nr_accesses'] == quota.weight_nr_accesses_permil,
                 'weight_nr_accesses', dump)
@@ -231,6 +237,7 @@ def main():
                         metric='node_mem_used_bp',
                         target_value=9950,
                         nid=1)],
+                    goal_tuner='temporal',
                     reset_interval_ms=1500,
                     weight_sz_permil=20,
                     weight_nr_accesses_permil=200,