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From: SeongJae Park <sj@kernel.org>
Cc: SeongJae Park <sj@kernel.org>, Shuah Khan <shuah@kernel.org>,
	damon@lists.linux.dev, linux-kernel@vger.kernel.org,
	linux-kselftest@vger.kernel.org, linux-mm@kvack.org
Subject: [RFC PATCH v4 11/11] selftests/damon/sysfs.py: test failed region quota charge ratio
Date: Thu,  9 Apr 2026 07:21:46 -0700	[thread overview]
Message-ID: <20260409142148.60652-12-sj@kernel.org> (raw)
In-Reply-To: <20260409142148.60652-1-sj@kernel.org>

Extend sysfs.py DAMON selftest to setup DAMOS action failed region quota
charge ratio and assert the setup is made into DAMON internal state.

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

diff --git a/tools/testing/selftests/damon/sysfs.py b/tools/testing/selftests/damon/sysfs.py
index b8d6e0f8fd906..d8d4717128898 100755
--- a/tools/testing/selftests/damon/sysfs.py
+++ b/tools/testing/selftests/damon/sysfs.py
@@ -73,6 +73,10 @@ def assert_quota_committed(quota, dump):
             }
     assert_true(dump['goal_tuner'] == tuner_val[quota.goal_tuner],
                 'goal_tuner', dump)
+    assert_true(dump['fail_charge_num'] == quota.fail_charge_num,
+                'fail_charge_num', dump)
+    assert_true(dump['fail_charge_denom'] == quota.fail_charge_denom,
+                'fail_charge_denom', 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)
@@ -277,6 +281,8 @@ def main():
                         nid=1)],
                     goal_tuner='temporal',
                     reset_interval_ms=1500,
+                    fail_charge_num=1,
+                    fail_charge_denom=4096,
                     weight_sz_permil=20,
                     weight_nr_accesses_permil=200,
                     weight_age_permil=1000),
-- 
2.47.3

      parent reply	other threads:[~2026-04-09 14:22 UTC|newest]

Thread overview: 14+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2026-04-09 14:21 [RFC PATCH v4 00/11] mm/damon: introduce DAMOS failed region quota charge ratio SeongJae Park
2026-04-09 14:21 ` [RFC PATCH v4 01/11] mm/damon/core: handle <min_region_sz remaining quota as empty SeongJae Park
2026-04-09 14:21 ` [RFC PATCH v4 02/11] mm/damon/core: merge quota-sliced regions back SeongJae Park
2026-04-10  0:01   ` (sashiko review) " SeongJae Park
2026-04-09 14:21 ` [RFC PATCH v4 03/11] mm/damon/core: introduce failed region quota charge ratio SeongJae Park
2026-04-10  0:11   ` (sashiko review) " SeongJae Park
2026-04-09 14:21 ` [RFC PATCH v4 04/11] mm/damon/sysfs-schemes: implement fail_charge_{num,denom} files SeongJae Park
2026-04-09 14:21 ` [RFC PATCH v4 05/11] Docs/mm/damon/design: document fail_charge_{num,denom} SeongJae Park
2026-04-09 14:21 ` [RFC PATCH v4 06/11] Docs/admin-guide/mm/damon/usage: document fail_charge_{num,denom} files SeongJae Park
2026-04-09 14:21 ` [RFC PATCH v4 07/11] Docs/ABI/damon: document fail_charge_{num,denom} SeongJae Park
2026-04-09 14:21 ` [RFC PATCH v4 08/11] mm/damon/tests/core-kunit: test fail_charge_{num,denom} committing SeongJae Park
2026-04-09 14:21 ` [RFC PATCH v4 09/11] selftests/damon/_damon_sysfs: support failed region quota charge ratio SeongJae Park
2026-04-09 14:21 ` [RFC PATCH v4 10/11] selftests/damon/drgn_dump_damon_status: " SeongJae Park
2026-04-09 14:21 ` SeongJae Park [this message]

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