Commit 43fe0cc4 authored by Gautam's avatar Gautam Committed by Shuah Khan
Browse files

kselftests/damon: add support for cases where debugfs cannot be read 



The kernel is in lockdown mode when secureboot is enabled and hence
debugfs cannot be used. Add support for this and other general cases
where debugfs cannot be read and communicate the same to the user before
running tests.

Signed-off-by: default avatarGautam <gautammenghani201@gmail.com>
Reviewed-by: default avatarSeongJae Park <sj@kernel.org>
Signed-off-by: default avatarShuah Khan <skhan@linuxfoundation.org>
parent 18afe1bf

tools/testing/selftests/damon/_chk_dependency.sh

+10 −0
Original line number Diff line number Diff line
@@ -26,3 +26,13 @@ do 
		exit 1

	fi

done



permission_error="Operation not permitted"

for f in attrs target_ids monitor_on

do

	status=$( cat "$DBGFS/$f" 2>&1 )

	if [ "${status#*$permission_error}" != "$status" ]; then

		echo "Permission for reading $DBGFS/$f denied; maybe secureboot enabled?"

		exit $ksft_skip

	fi

done