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| author | SJ Park <sj@kernel.org> | 2026-09-01 06:25:01 -0700 |
|---|---|---|
| committer | Andrew Morton <akpm@linux-foundation.org> | 2026-10-06 17:39:30 -0700 |
| commit | 9a7c8a261a438288b7ac43016c2beffc32ecab08 (patch) | |
| tree | 0ec446d79c0faca594ade7e42302abf8c2f9766e /tools/testing | |
| parent | c3b3a240534022824aae97f6ea61cb13751389fe (diff) | |
| download | linux-next-9a7c8a261a438288b7ac43016c2beffc32ecab08.tar.gz linux-next-9a7c8a261a438288b7ac43016c2beffc32ecab08.zip | |
selftests/damon/sysfs.sh: test probe prep sysfs files
Add basic file operations test for newly introduced DAMON probe prep sysfs
directories and files.
Link: https://lore.kernel.org/20260901132506.99243-15-sj@kernel.org
Signed-off-by: SJ Park <sj@kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Cc: David Hildenbrand <david@kernel.org>
Cc: Jonathan Corbet <corbet@lwn.net>
Cc: Liam R. Howlett <liam@infradead.org>
Cc: Lorenzo Stoakes <ljs@kernel.org>
Cc: Michal Hocko <mhocko@suse.com>
Cc: Mike Rapoport <rppt@kernel.org>
Cc: Randy Dunlap <rdunlap@infradead.org>
Cc: Shuah Khan <shuah@kernel.org>
Cc: Suren Baghdasaryan <surenb@google.com>
Cc: Vlastimil Babka <vbabka@kernel.org>
Diffstat (limited to 'tools/testing')
| -rwxr-xr-x | tools/testing/selftests/damon/sysfs.sh | 27 |
1 files changed, 27 insertions, 0 deletions
diff --git a/tools/testing/selftests/damon/sysfs.sh b/tools/testing/selftests/damon/sysfs.sh index f7fb94b84e71..ddebde6edabe 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" } |