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 BEE9815CAF for ; Mon, 5 Dec 2022 23:08:41 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 28A3AC433D6; Mon, 5 Dec 2022 23:08:41 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1670281721; bh=qgpIYxCoLxiSbmookPCEJSX95mijzZoDksXEWue5IhI=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=k78k7YExuF6/YEEvcLQCrdPFVM8+qZ66Sw1wGSQt1vOP6nrkfOevcW9LvmA+peVW5 aDGsFBfIOyR+pD6XRfeyIyNJq6d6quIA1qUV451ks6L5wwqGhGcaPKXvj6Pg0kIFn8 BATF7tCEg6mGkduLufzPqMOvR3R8PoZDrrnIHcIW9nNoWcaXgzH/V7/0z03ujbr1AS Azx5pHsw1fGteX+pc6NdS8LbE1lyO4RXhdINeyGAhRwyiQMBg+5EleKrTIgEnfU5Nk zfHofzo5dszklOcY3XDH/svZ9cz0X2+TqTsRq03hk8zd9m38KcvvTi3p0Bke4T1KDM bGdKopAY9JjLQ== From: SeongJae Park To: Andrew Morton Cc: Shuah Khan , damon@lists.linux.dev, linux-mm@kvack.org, linux-kselftest@vger.kernel.org, linux-kernel@vger.kernel.org, SeongJae Park Subject: [PATCH 09/11] selftests/damon/sysfs: test filters directory Date: Mon, 5 Dec 2022 23:08:28 +0000 Message-Id: <20221205230830.144349-10-sj@kernel.org> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20221205230830.144349-1-sj@kernel.org> References: <20221205230830.144349-1-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 test cases for scheme filters of DAMON sysfs interface. The test cases check if the files are populated as expected, receives some valid inputs, and refuses some invalid inputs. Signed-off-by: SeongJae Park --- tools/testing/selftests/damon/sysfs.sh | 29 ++++++++++++++++++++++++++ 1 file changed, 29 insertions(+) diff --git a/tools/testing/selftests/damon/sysfs.sh b/tools/testing/selftests/damon/sysfs.sh index db4942383a50..a00336ffdcad 100644 --- a/tools/testing/selftests/damon/sysfs.sh +++ b/tools/testing/selftests/damon/sysfs.sh @@ -96,6 +96,34 @@ test_stats() done } +test_filter() +{ + filter_dir=$1 + ensure_file "$filter_dir/type" "exist" "600" + ensure_write_succ "$filter_dir/type" "anon" "valid input" + ensure_write_succ "$filter_dir/type" "memcg" "valid input" + ensure_write_fail "$filter_dir/type" "foo" "invalid input" + ensure_file "$filter_dir/matching" "exist" "600" + ensure_file "$filter_dir/memcg_path" "exist" "600" +} + +test_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_filter "$filters_dir/0" + + ensure_write_succ "$filters_dir/nr_filters" "2" "valid input" + test_filter "$filters_dir/0" + test_filter "$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_watermarks() { watermarks_dir=$1 @@ -143,6 +171,7 @@ test_scheme() test_access_pattern "$scheme_dir/access_pattern" test_quotas "$scheme_dir/quotas" test_watermarks "$scheme_dir/watermarks" + test_filters "$scheme_dir/filters" test_stats "$scheme_dir/stats" test_tried_regions "$scheme_dir/tried_regions" } -- 2.25.1