#define LTTNG_KERNEL_SESSION_UNTRACK_PID \
_IOR(0xF6, 0x59, int32_t)
#define LTTNG_KERNEL_SESSION_LIST_TRACKER_PIDS _IO(0xF6, 0x58)
+#define LTTNG_KERNEL_SESSION_METADATA_REGEN _IO(0xF6, 0x59)
/* Channel FD ioctl */
#define LTTNG_KERNEL_STREAM _IO(0xF6, 0x62)