From: SeongJae Park <sj@xxxxxxxxxx> Subject: selftests/damon: skip test if DAMON is running Testing the DAMON debugfs files while DAMON is running makes no sense, as any write to the debugfs files will fail. This commit makes the test be skipped in this case. Link: https://lkml.kernel.org/r/20211201150440.1088-8-sj@xxxxxxxxxx Signed-off-by: SeongJae Park <sj@xxxxxxxxxx> Cc: Brendan Higgins <brendanhiggins@xxxxxxxxxx> Cc: Shuah Khan <shuah@xxxxxxxxxx> Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx> --- tools/testing/selftests/damon/debugfs_attrs.sh | 9 +++++++++ 1 file changed, 9 insertions(+) --- a/tools/testing/selftests/damon/debugfs_attrs.sh~selftests-damon-skip-test-if-damon-is-running +++ a/tools/testing/selftests/damon/debugfs_attrs.sh @@ -44,6 +44,15 @@ test_content() { source ./_chk_dependency.sh +ksft_skip=4 + +damon_onoff="$DBGFS/monitor_on" +if [ $(cat "$damon_onoff") = "on" ] +then + echo "monitoring is on" + exit $ksft_skip +fi + # Test attrs file # =============== _