struct lttngtop *data;
-struct processtop *find_process_tid(struct lttngtop *ctx, int pid, char *comm);
+struct processtop *find_process_tid(struct lttngtop *ctx, int pid, const char *comm);
struct processtop* add_proc(struct lttngtop *ctx, int pid, char *comm,
unsigned long timestamp, char *hostname);
struct processtop* update_proc(struct processtop* proc, int pid, int tid,