#define DEFAULT_CHANNEL_SUBBUF_NUM 8 /* Must always be a power of 2 */
#define DEFAULT_CHANNEL_SWITCH_TIMER 0 /* usec */
#define DEFAULT_CHANNEL_READ_TIMER 200 /* usec */
+#define DEFAULT_CHANNEL_OUTPUT 0 /* splice, mmap (0: SPLICE, 1: MMAP, see lttng.h) */
/*
* lttng user-space instrumentation type