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 D71542F3C26; Sun, 26 Apr 2026 20:52:40 +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=1777236760; cv=none; b=H0sUxuohMzlsKoHi7fQnkePN5GjFDZut4M2pUf2ogNWKRlBsgA4gfCze/2xBw6Pp8DyRUa0ZzT+OE/ZllENsi+b4mh5jB6uH81Sh0i3maVlKxuSlF6H/QZWPunym37nrgdgUtgabzrpsW/3SHRru9hfKa7GrsPzQ8u4gdQbBVTE= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1777236760; c=relaxed/simple; bh=EauBIBzKjl6rFCRlEGSo/s6NrgLL9HoVh8TIqUsq9vs=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=uv5Cj5pMR4uyd/tPO0QjhmFyTk8H6Yw30fbnv5fB47oPPVK/ZgWN7JioML0JOdtVbViriobK8iA45c+vuHsjLetEUMuCCDoNflBzMsQf+gvp8uqpzQLQwPKbR+JFgO3KOvzske3WhZpLKKgp3oPLXe8P5ypOGbTljo15F3bUsk4= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=gRx7UFjK; 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="gRx7UFjK" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 76993C2BCC6; Sun, 26 Apr 2026 20:52:40 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1777236760; bh=EauBIBzKjl6rFCRlEGSo/s6NrgLL9HoVh8TIqUsq9vs=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=gRx7UFjKG7iVz+GBgkB2NmPpNVPR17CgtwZ/i2OJDocLdRNO/cyy/JAcgUfnzrADA T3VkslyLFV+bjCWVyIyyCc1gHTvMiha4EuOIpjqYzHU7lPZNkWX3lQkTfbZXE0+mDg kFeTjAO9roxZMD3wrgRcG1+scESM5dczc1DR6QNGQiERnv+TxkDGYXQ19h0LWH29S2 oZNiJIJRW8DIa1mZl9MefTbCVtwvBD5u7tKvkcjgmKFRArMx18X9M3+dILfcX+Vyw/ cDlmsVCBULjjjwokPNCFDUFKtytHBttrMIcFAUEXme6capLt1uprvgpHISbnZNpj+v GQ8E1rc9gtC0A== 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 17/19] selftests/damon/sysfs.sh: test probes dir Date: Sun, 26 Apr 2026 13:52:18 -0700 Message-ID: <20260426205222.93895-18-sj@kernel.org> X-Mailer: git-send-email 2.47.3 In-Reply-To: <20260426205222.93895-1-sj@kernel.org> References: <20260426205222.93895-1-sj@kernel.org> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org 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