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 5c60afca24a664aadc1c4550dda7a048c5139b2c..07bb3e5930b459b6ad52765ff92fb0fa416e603d 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 3c60ca61fee312de3501aa157320def7305df675..c8e02ec01eaf25640a4471dc522b4bb8916c2130 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