[PATCH 10/22] selftests/damon/drgn_dump_damon_status: dump ctx->ops.id

From: SeongJae Park
Date: Sun Jul 20 2025 - 13:18:53 EST


drgn_dump_damon_status.py is a script for dumping DAMON internal status
in json format. It is being used for seeing if DAMON parameters that
are set using _damon_sysfs.py are actually passed to DAMON in the kernel
space. It is, however, not dumping full DAMON internal status, and it
makes increasing test coverage difficult. Add ctx->ops.id dumping for
more tests.

Signed-off-by: SeongJae Park <sj@xxxxxxxxxx>
---
tools/testing/selftests/damon/drgn_dump_damon_status.py | 6 ++++++
1 file changed, 6 insertions(+)

diff --git a/tools/testing/selftests/damon/drgn_dump_damon_status.py b/tools/testing/selftests/damon/drgn_dump_damon_status.py
index 8db081f965f5..cf5d492670d8 100755
--- a/tools/testing/selftests/damon/drgn_dump_damon_status.py
+++ b/tools/testing/selftests/damon/drgn_dump_damon_status.py
@@ -25,6 +25,11 @@ def to_dict(object, attr_name_converter):
d[attr_name] = converter(getattr(object, attr_name))
return d

+def ops_to_dict(ops):
+ return to_dict(ops, [
+ ['id', int],
+ ])
+
def intervals_goal_to_dict(goal):
return to_dict(goal, [
['access_bp', int],
@@ -148,6 +153,7 @@ def schemes_to_list(schemes):

def damon_ctx_to_dict(ctx):
return to_dict(ctx, [
+ ['ops', ops_to_dict],
['attrs', attrs_to_dict],
['adaptive_targets', targets_to_list],
['schemes', schemes_to_list],
--
2.39.5