+#if (LINUX_VERSION_CODE >= KERNEL_VERSION(4,2,0))
+#include <linux/trace_events.h>
+#else /* if (LINUX_VERSION_CODE >= KERNEL_VERSION(4,2,0)) */
+#include <linux/ftrace_event.h>
+#endif /* #else #if (LINUX_VERSION_CODE >= KERNEL_VERSION(4,2,0)) */
+