diff --git a/tools/testing/selftests/ftrace/test.d/ftrace/func_event_triggers.tc b/tools/testing/selftests/ftrace/test.d/ftrace/func_event_triggers.tc
index 5c60afca24a6..07bb3e5930b4 100644
--- a/tools/testing/selftests/ftrace/test.d/ftrace/func_event_triggers.tc
+++ b/tools/testing/selftests/ftrace/test.d/ftrace/func_event_triggers.tc
@@ -1,5 +1,6 @@
 #!/bin/sh
 # description: ftrace - test for function event triggers
+# flags: instance
 #
 # Ftrace allows to add triggers to functions, such as enabling or disabling
 # tracing, enabling or disabling trace events, or recording a stack trace
diff --git a/tools/testing/selftests/ftrace/test.d/ftrace/func_traceonoff_triggers.tc b/tools/testing/selftests/ftrace/test.d/ftrace/func_traceonoff_triggers.tc
index 3c60ca61fee3..c8e02ec01eaf 100644
--- a/tools/testing/selftests/ftrace/test.d/ftrace/func_traceonoff_triggers.tc
+++ b/tools/testing/selftests/ftrace/test.d/ftrace/func_traceonoff_triggers.tc
@@ -1,5 +1,6 @@
 #!/bin/sh
 # description: ftrace - test for function traceon/off triggers
+# flags: instance
 #
 # Ftrace allows to add triggers to functions, such as enabling or disabling
 # tracing, enabling or disabling trace events, or recording a stack trace