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authorGautam <gautammenghani201@gmail.com>2022-06-25 22:52:45 +0300
committerShuah Khan <skhan@linuxfoundation.org>2022-06-27 23:14:41 +0300
commit43fe0cc46b6206b25f0f13bb249f0078441ae15a (patch)
treee2aeb062d14f52e2fdd88bea8428a494f9fb57eb /tools/testing/selftests/damon
parent18afe1bf05a11c1b186bcf696e7a06bfed0e5ba2 (diff)
downloadlinux-43fe0cc46b6206b25f0f13bb249f0078441ae15a.tar.xz
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: Gautam <gautammenghani201@gmail.com> Reviewed-by: SeongJae Park <sj@kernel.org> Signed-off-by: Shuah Khan <skhan@linuxfoundation.org>
Diffstat (limited to 'tools/testing/selftests/damon')
-rw-r--r--tools/testing/selftests/damon/_chk_dependency.sh10
1 files changed, 10 insertions, 0 deletions
diff --git a/tools/testing/selftests/damon/_chk_dependency.sh b/tools/testing/selftests/damon/_chk_dependency.sh
index 0189db81550b..0328ac0b5a5e 100644
--- a/tools/testing/selftests/damon/_chk_dependency.sh
+++ b/tools/testing/selftests/damon/_chk_dependency.sh
@@ -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