From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id A5F6936EA9F; Mon, 18 May 2026 23:41:30 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1779147690; cv=none; b=D96w2WI8EQZgYNftrfNQM0cG8Ja93FNFKGaoZ6UKfL1UnuGr1bHnUxOT2nsO70U+kmxCAr8wJ/kM7h/J4vsPMXuMzTaWC5ZIatQ+EYA1dkWiKYuVP1rtPHSWEQqA9vZjMQ7ozJfG2u+2DNya8rE5d7uX+6b8TqJOqGghvABe8gw= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1779147690; c=relaxed/simple; bh=EauBIBzKjl6rFCRlEGSo/s6NrgLL9HoVh8TIqUsq9vs=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=EKo903l8Zaw9fUZlzaB/DiY7vffpY3YcB+BbXq7WjfHJSaiHxA+zS2BauglYE9RN5Mo+R4oE4jXEZ/opvrFgNjCXuGAci4iyFMYlbam9E9QkqZNt0p3ezlSlMdmdp1Zo7juuN23SPcyzVZZNMuLGs7KrUiT8DVkHpDpLNSj07oo= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=GAqdjbTt; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="GAqdjbTt" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 329DEC2BCB8; Mon, 18 May 2026 23:41:30 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1779147690; bh=EauBIBzKjl6rFCRlEGSo/s6NrgLL9HoVh8TIqUsq9vs=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=GAqdjbTtt4J592f5rknZPYg4bEy3S6qGxaMY2eqzUkrPLo7adPWZoZWmoR8Pj1lLX dombct2THm3bxFohjssz3OVixZpijTWCsHo0Dop1h6i1PZhUaA1TzQZ0ff5iRjIrhX jfLBNj/j42cmRh9tpjYPhzcC22bMIGsvou0C3AVJHeTDnRxJt/TSLaHJ+FqA5+PsBb s9oThTX8KBpju+wPm9Wah7BX/AbXifDKKPwmLocz+RbtIiSt7y6oC8wmHdP8Yy27Wn eGXde//yUTUzrXqnj02/C4I4OFtdSwIrX4qP/o6Sg+5rtr2sbSKwU60sD09zYXgdUJ PcOz4kGZCmYJA== From: SeongJae Park To: Andrew Morton Cc: SeongJae Park , Shuah Khan , damon@lists.linux.dev, linux-kernel@vger.kernel.org, linux-kselftest@vger.kernel.org, linux-mm@kvack.org Subject: [PATCH 19/28] selftests/damon/sysfs.sh: test probes dir Date: Mon, 18 May 2026 16:41:07 -0700 Message-ID: <20260518234119.97569-20-sj@kernel.org> X-Mailer: git-send-email 2.47.3 In-Reply-To: <20260518234119.97569-1-sj@kernel.org> References: <20260518234119.97569-1-sj@kernel.org> Precedence: bulk X-Mailing-List: damon@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit 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