diff --git a/lib/syslib/sys_vmctl.c b/lib/syslib/sys_vmctl.c
index 8339a73a9..62cb4a8d2 100755
--- a/lib/syslib/sys_vmctl.c
+++ b/lib/syslib/sys_vmctl.c
@@ -59,3 +59,8 @@ PUBLIC int sys_vmctl_get_memreq(endpoint_t *who, vir_bytes *mem,
   }
   return r;
 }
+
+PUBLIC int sys_vmctl_stacktrace(endpoint_t who)
+{
+	return sys_vmctl(who, VMCTL_STACKTRACE, 0);
+}