void add_thread(struct processtop *parent, struct processtop *thread);
struct processtop* get_proc(struct lttngtop *ctx, int tid, char *comm,
unsigned long timestamp);
void add_thread(struct processtop *parent, struct processtop *thread);
struct processtop* get_proc(struct lttngtop *ctx, int tid, char *comm,
unsigned long timestamp);