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b=mFJZVSu0GDYBqvaQBc63EdHHe5GXKyEp9CdmpKL/PB+nApIyvzw5Akctb1w/Xy8r6 7A9I+VMxFFCc0HCWCPzxBkxT+ypJbAyd4C4ZM2OCw2974pDynugyPPuJ4E2xk7kTSG JPBfu/WULl77WKdP98o29HR/uQE+xif1sDGa5YgSC4+LeH3mPsLs/Z6QbNKcjxcDOI zHVpnKzLQiCdkOMkoAJSmasVHliI9sSOhwng+UzFBfctZl0fK9isp6uFl5fZRiiKNd 9yxSrrGvUv5g/zH/+oOAcths8s6xjXowv+QZPKAbDdcCb/ngDOkzJyotlfts3w0aJf VgYJAXwCRY6Cg== 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 19/28] selftests/damon/sysfs.sh: test probes dir Date: Tue, 12 May 2026 07:36:34 -0700 Message-ID: <20260512143645.113201-20-sj@kernel.org> X-Mailer: git-send-email 2.47.3 In-Reply-To: <20260512143645.113201-1-sj@kernel.org> References: <20260512143645.113201-1-sj@kernel.org> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Stat-Signature: woimitzwcuxrjs7ukiwnpicjrm7u8h5z X-Rspam-User: X-Rspamd-Queue-Id: 23B382000B X-Rspamd-Server: rspam07 X-HE-Tag: 1778596624-141340 X-HE-Meta: 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 z9aScdqJ ZGzYVzUXCBweaFz2ySTx+IDxL3MfGX6q5MbjXpwEEvuPQmdJWCpoFTE552RfBh7TQvlpMVE+3niO1vRlL986fIePYfFe25vp2YlGex4HOaJQm7gSCykMmOcw0SUZigUFh1Q9M+FI/JHTAJM1i6H8z4iG2MUOzGCpQEXyPfgEAljqlI1ZBdyMqtWXz+aDME+BvUhw9jZSUYeeb/n7XSYW/Ihqzby1sLaiY5LzPQXPZH5z7ojqPg0gVdQ8o+8VkY0YPBxfznVzXRqYInlsoHB+3QFEwF3pXL1J2L07+Z4CVmEIHjKA= 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