From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-alma10-1.taild15c8.ts.net [100.103.45.18]) (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 050F5480949; Tue, 1 Sep 2026 13:25:19 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=100.103.45.18 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1788269121; cv=none; b=CZs1PggMm2mUqhwRHyjeLUGo2CRu531v9M2DQEKSOZZ6xrhO+iuNa2SPcJlT1DEUgWwmpHjDmLKKX14bbW6CendJQQoSM0AWpqYA8gQu6M6gJIGlfJl3KJT6fQ+6ElCzgymRN9nH+43Uf0T6YyTuGfSBkq4jPkJRKKH7ttq39nQ= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1788269121; c=relaxed/simple; bh=I7iSQWo3DIeCl4GG9ImX2V39xbLJgFz5OBrIHCf8Mf0=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=DaECpG0QNmAVhZU1N+yZDYAwHfAlVoTRaqTVBZNKtRK6wTkzEM9dSf7Aa9JbHLebIcUNMXWFAsVWK5y5UxOebylK6xoWOvo1iUc61q2qF1O8/ejEYrL6gorX4MxkUfLaLm18KsAFFhxvRGd+LM/CjrF0fCl6SdH+ao3iqjIcAec= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=bGFNrxpm; arc=none smtp.client-ip=100.103.45.18 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="bGFNrxpm" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 6395A1F000E9; Tue, 1 Sep 2026 13:25:19 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=kernel.org; s=k20260515; t=1788269119; bh=m+OX/QoubOtPs5CYX5dE9pYfjfAmb4FTinvx7UvjP30=; h=From:To:Cc:Subject:Date:In-Reply-To:References; b=bGFNrxpmY2vl87nkgJ+iyG/FQAuLseRmz4SqqzqS3r6ZEXj5vsMmRWjaWHZIvTsQG Yd/YVWDr6Uxiz7+F3/KFqpn0ut2agNQJUEj5BygiPsuqEpkJVXzY+Egt2tcqWKAFc3 lZVUUGxqYPDlHxv7B7F+rVn7aSASQoLG9nd1CsQUeTsRguHPWWimE1IPtJwpqyujnI LsGynk8HiVPHLeZnIS1iWe+ku2ZoZURBcZXJ7g2NmzCBeA/tTuJJOQSqIgCYY3013N /hfDeOGkYcxoYM5/Qd+BBidhnSE2SxLMRdOaSjsIi5frS3/xKjnytPApPU8tJPt/9G PcZdytCk8W4pQ== From: SJ Park To: Andrew Morton Cc: SJ Park , Shuah Khan , damon@lists.linux.dev, linux-kernel@vger.kernel.org, linux-kselftest@vger.kernel.org, linux-mm@kvack.org Subject: [PATCH v1.1 14/17] selftests/damon/sysfs.sh: test probe prep sysfs files Date: Tue, 1 Sep 2026 06:25:01 -0700 Message-ID: <20260901132506.99243-15-sj@kernel.org> X-Mailer: git-send-email 2.47.3 In-Reply-To: <20260901132506.99243-1-sj@kernel.org> References: <20260901132506.99243-1-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 basic file operations test for newly introduced DAMON probe prep sysfs directories and files. Signed-off-by: SJ Park --- tools/testing/selftests/damon/sysfs.sh | 27 ++++++++++++++++++++++++++ 1 file changed, 27 insertions(+) diff --git a/tools/testing/selftests/damon/sysfs.sh b/tools/testing/selftests/damon/sysfs.sh index f7fb94b84e716..ddebde6edabe4 100755 --- a/tools/testing/selftests/damon/sysfs.sh +++ b/tools/testing/selftests/damon/sysfs.sh @@ -361,6 +361,32 @@ test_intervals() test_intervals_goal "$intervals_dir/intervals_goal" } +test_damon_prep() +{ + damon_prep_dir=$1 + ensure_file "$damon_prep_dir/prep_action" "exist" "600" + ensure_write_succ "$damon_prep_dir/prep_action" "set_pgidle" \ + "valid input" + ensure_write_fail "$damon_prep_dir/prep_action" "foo" "invalid input" +} + +test_damon_preps() +{ + preps_dir=$1 + ensure_dir "$preps_dir" "exist" + ensure_file "$preps_dir/nr_preps" "exist" "600" + ensure_write_succ "$preps_dir/nr_preps" "1" "valid input" + test_damon_prep "$preps_dir/0" + + ensure_write_succ "$preps_dir/nr_preps" "2" "valid input" + test_damon_prep "$preps_dir/0" + test_damon_prep "$preps_dir/1" + + ensure_write_succ "$preps_dir/nr_preps" "0" "valid input" + ensure_dir "$preps_dir/0" "not_exist" + ensure_dir "$preps_dir/1" "not_exist" +} + test_damon_filter() { damon_filter_dir=$1 @@ -392,6 +418,7 @@ test_probe() { probe_dir=$1 ensure_dir "$probe_dir" "exist" + test_damon_preps "$probe_dir/preps" test_damon_filters "$probe_dir/filters" } -- 2.47.3