_IOW(0xF6, 0x5D, struct lttng_kernel_abi_session_name)
#define LTTNG_KERNEL_ABI_SESSION_SET_CREATION_TIME \
_IOW(0xF6, 0x5E, struct lttng_kernel_abi_session_creation_time)
+#define LTTNG_KERNEL_ABI_SESSION_SET_TRACE_FORMAT \
+ _IOW(0xF6, 0x5F, struct lttng_kernel_abi_session_trace_format)
/* Channel FD ioctl */
#define LTTNG_KERNEL_ABI_STREAM _IO(0xF6, 0x62)