+ /*
+ * Considering that currently system calls can only be enabled on a per
+ * name basis (or wildcard based on a name), unknown syscall events are
+ * only used when matching *all* system calls, because this is the only
+ * case which can be associated with an unknown system call.
+ *
+ * When enabling system call on a per system call number basis will be
+ * supported, this will need to be revisited.
+ */
+ if (!lttng_syscall_event_enabler_is_wildcard_all(event_enabler))
+ return;
+