size_t __dsos__fprintf(struct list_head *head, FILE *fp);
+size_t machine__fprintf_dsos_buildid(struct machine *self, FILE *fp, bool with_hits);
size_t machines__fprintf_dsos(struct rb_root *self, FILE *fp);
size_t machines__fprintf_dsos_buildid(struct rb_root *self, FILE *fp, bool with_hits);