GQuark long_name; //tracefile complete filename
GQuark name; //tracefile name
guint cpu_num; //cpu number of the tracefile
+ guint tid; //Usertrace tid, else 0
+ guint pgid; //Usertrace pgid, else 0
+ guint64 creation; //Usertrace creation, else 0
LttTrace * trace; //trace containing the tracefile
int fd; //file descriptor
off_t file_size; //file size