[PATCH 22/22] selftests/damon/sysfs.py: test runtime reduction of DAMON parameters

From: SeongJae Park
Date: Sun Jul 20 2025 - 13:20:55 EST


sysfs.py is testing if non-default additional parameters can be
committed. Add a test case for further reducing the parameters to the
default set.

Signed-off-by: SeongJae Park <sj@xxxxxxxxxx>
---
tools/testing/selftests/damon/sysfs.py | 14 ++++++++++++++
1 file changed, 14 insertions(+)

diff --git a/tools/testing/selftests/damon/sysfs.py b/tools/testing/selftests/damon/sysfs.py
index b2cb178dda15..e0753ed92a98 100755
--- a/tools/testing/selftests/damon/sysfs.py
+++ b/tools/testing/selftests/damon/sysfs.py
@@ -247,6 +247,20 @@ def main():

assert_ctxs_committed(kdamonds.kdamonds[0].contexts, status['contexts'])

+ # test online commitment of minimum context.
+ context = _damon_sysfs.DamonCtx()
+ context.idx = 0
+ context.kdamond = kdamonds.kdamonds[0]
+ kdamonds.kdamonds[0].contexts = [context]
+ kdamonds.kdamonds[0].commit()
+
+ status, err = dump_damon_status_dict(kdamonds.kdamonds[0].pid)
+ if err is not None:
+ print(err)
+ exit(1)
+
+ assert_ctxs_committed(kdamonds.kdamonds[0].contexts, status['contexts'])
+
kdamonds.stop()

if __name__ == '__main__':
--
2.39.5