#define LTTNG_KERNEL_CALIBRATE \
_IOWR(0xF6, 0x49, struct lttng_kernel_calibrate)
#define LTTNG_KERNEL_SYSCALL_LIST _IO(0xF6, 0x4A)
#define LTTNG_KERNEL_CALIBRATE \
_IOWR(0xF6, 0x49, struct lttng_kernel_calibrate)
#define LTTNG_KERNEL_SYSCALL_LIST _IO(0xF6, 0x4A)