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b=k/Q18Z/2gp4e1C41DVo5DjiFVe/i3Y7T2vD9AOkCxNKGjNv2X3Qr1isGZxHuM1C8U RDqzNyHcwVmHJXk1XdVE2RaJbqcco/yvBFrXCNL18tP2hwZZ03JKKecKDG5Rf7p7Z2 YTTct4tLB4Srl9oV+ovlapU0VhWx2Wy7+J+k0jWYUG9bSQfszNG/zQ+sgqQT6txga8 uBAVIYuw1CqpvjB4XojTQIql5evO2wPl/bt4AITeIWfFK3XYtwGWW6ynt8Xzd/hKJc ocK8m6usBtKaYy2yfnQE5j4Kacrryj4r/50orkJuzVeQmGZeAEpykPASD8kL3oqBOO JU2V/rPwVTg2Q== From: SeongJae Park To: Cc: SeongJae Park , Shuah Khan , damon@lists.linux.dev, linux-kernel@vger.kernel.org, linux-kselftest@vger.kernel.org, linux-mm@kvack.org Subject: [RFC PATCH v2.1 19/28] selftests/damon/sysfs.sh: test probes dir Date: Thu, 14 May 2026 07:08:52 -0700 Message-ID: <20260514140904.119781-20-sj@kernel.org> X-Mailer: git-send-email 2.47.3 In-Reply-To: <20260514140904.119781-1-sj@kernel.org> References: <20260514140904.119781-1-sj@kernel.org> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Stat-Signature: zg6b9h5yfeqqaeacthk6u6yf9n1h43m9 X-Rspamd-Queue-Id: 6954B1C0016 X-Rspam-User: X-Rspamd-Server: rspam08 X-HE-Tag: 1778767765-775346 X-HE-Meta: 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 VOKBYuBs iUFCJ/XX6Wf8qYFiFRZ8S1KWKCQVHqXzP9I2N3nEK+xmWzLtmRSO6T1Cip8m+R7GSiCSsYtGL++te9BBlTQ73EVbqtsFnIUinuZQIARpEn4YMI+QbAP8izAtPViMrbR6eskEBKngI/S1302HUzrbURKd20afJhWsRokiu8IXzSww/Xy7MYuJhdYYPEjPXZAqUcW0zVa+/5fn7seiMTD+GSArdOYFjC/h3RMV605Yjgs36x3V+pGp+F4W4sYTIJmbnfvANJ0HusVXYIXHrDKVsH2negby6fic3BYUVHmRgWXKJLLg= Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: List-Subscribe: List-Unsubscribe: Add simple existence tests for data probes sysfs directories and files. Signed-off-by: SeongJae Park --- tools/testing/selftests/damon/sysfs.sh | 48 ++++++++++++++++++++++++++ 1 file changed, 48 insertions(+) diff --git a/tools/testing/selftests/damon/sysfs.sh b/tools/testing/selftests/damon/sysfs.sh index 83e3b7f63d81c..1ac3e2ce8e448 100755 --- a/tools/testing/selftests/damon/sysfs.sh +++ b/tools/testing/selftests/damon/sysfs.sh @@ -291,11 +291,59 @@ test_intervals() ensure_file "$intervals_dir/update_us" "exist" "600" } +test_damon_filter() +{ + damon_filter_dir=$1 + ensure_file "$damon_filter_dir/type" "exist" "600" + ensure_write_succ "$damon_filter_dir/type" "anon" "valid input" + ensure_write_fail "$damon_filter_dir/type" "foo" "invalid input" + ensure_file "$damon_filter_dir/matching" "exist" "600" + ensure_file "$damon_filter_dir/allow" "exist" "600" +} + +test_damon_filters() +{ + filters_dir=$1 + ensure_dir "$filters_dir" "exist" + ensure_file "$filters_dir/nr_filters" "exist" "600" + ensure_write_succ "$filters_dir/nr_filters" "1" "valid input" + test_damon_filter "$filters_dir/0" + + ensure_write_succ "$filters_dir/nr_filters" "2" "valid input" + test_damon_filter "$filters_dir/0" + test_damon_filter "$filters_dir/1" + + ensure_write_succ "$filters_dir/nr_filters" "0" "valid input" + ensure_dir "$filters_dir/0" "not_exist" + ensure_dir "$filters_dir/1" "not_exist" +} + +test_probe() +{ + probe_dir=$1 + ensure_dir "$probe_dir" "exist" + test_damon_filters "$probe_dir/filters" +} + +test_probes() +{ + probes_dir=$1 + ensure_dir "$probes_dir" "exist" + ensure_file "$probes_dir/nr_probes" "exist" "600" + + ensure_write_succ "$probes_dir/nr_probes" "1" "valid input" + test_probe "$probes_dir/0" + + ensure_write_succ "$probes_dir/nr_probes" "0" "valid input" + ensure_dir "$probes_dir/0" "not_exist" +} + test_monitoring_attrs() { monitoring_attrs_dir=$1 ensure_dir "$monitoring_attrs_dir" "exist" test_intervals "$monitoring_attrs_dir/intervals" + test_probes "$monitoring_attrs_dir/probes" test_range "$monitoring_attrs_dir/nr_regions" } -- 2.47.3