linux-kernel - [PATCH 10/22] selftests/damon/drgn_dump_damon

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Message-Id: <20250720171652.92309-11-sj@kernel.org>
Date: Sun, 20 Jul 2025 10:16:40 -0700
From: SeongJae Park <sj@...nel.org>
To: Andrew Morton <akpm@...ux-foundation.org>
Cc: SeongJae Park <sj@...nel.org>,
	Shuah Khan <shuah@...nel.org>,
	damon@...ts.linux.dev,
	kernel-team@...a.com,
	linux-kernel@...r.kernel.org,
	linux-kselftest@...r.kernel.org,
	linux-mm@...ck.org
Subject: [PATCH 10/22] selftests/damon/drgn_dump_damon_status: dump ctx->ops.id

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@...nel.org>
---
 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