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bh=m+OX/QoubOtPs5CYX5dE9pYfjfAmb4FTinvx7UvjP30=; h=From:To:Cc:Subject:Date:In-Reply-To:References; b=fLCE2Ixdi6gF8dbq+fA6A0ezfDrlAohge5ca00te/Onhm3sslbns7GdQg0TbY55av 6g/Sg/aQ9rZgJhwTlOG0kCbibygq8/VuaycDskgeVhb3bKr3bhbJi5pD9OPD3h8v2J 8WzC5IroH2uWwiwNcVQUj9aV2c37FrLJqh2Gii25Gc4oyggSFj5sxOFm7BcMXPjN6N P+apq0UF/ojAbu9lpaleI7SCVUBkvda5hSQcM+59xHCh9u0pbDTn8OfVheyk4es96W dYGH4fSUE2kS5ZA2gQQLt6R6DA6Zq8jTNjIEYk9gAK/hHBa3n1MBoHYenavl53jUtm zhphVB9A9l8Zw== 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 14/17] selftests/damon/sysfs.sh: test probe prep sysfs files Date: Mon, 31 Aug 2026 21:34:10 -0700 Message-ID: <20260901043417.2165-15-sj@kernel.org> X-Mailer: git-send-email 2.47.3 In-Reply-To: <20260901043417.2165-1-sj@kernel.org> References: <20260901043417.2165-1-sj@kernel.org> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Rspam-User: X-Rspamd-Server: rspam10 X-Rspamd-Queue-Id: 20FCE20005 X-Stat-Signature: d3mtx64fbh7n4bhxcfgi7bi7i7o1poxn X-HE-Tag: 1788237271-356639 X-HE-Meta: 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 fX74Icuw /HqIghvJ6yJMpJUvvhs54+hP3erJYMUN4cZmhrxEQLP0j7NWLkrgGUyG4RZF2jCiVLtQmoWHPITLrLR0VE1NkEjwuJVLJxc43/gYpirXKNcoSGv8gOLFdu6KZlVzyotzQ8+WGG+9ncEw4O/ysrQYlXyUvntw/4tyziT8pvhw7MPXpczW0q71wS7uNTxoxXhA7+b5Y+qiBInVpd5Vyx++IRpX6TEzf6X9j0kK6DOPtLYAjOPs= Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: List-Subscribe: List-Unsubscribe: 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