452 struct perf_hpp_fmt {  struct
454 	int (*header)(struct perf_hpp_fmt *fmt, struct perf_hpp *hpp,  argument
456 	int (*width)(struct perf_hpp_fmt *fmt, struct perf_hpp *hpp,  argument
458 	void (*init)(struct perf_hpp_fmt *fmt, struct hist_entry *he);  argument
459 	int (*color)(struct perf_hpp_fmt *fmt, struct perf_hpp *hpp,  argument
461 	int (*entry)(struct perf_hpp_fmt *fmt, struct perf_hpp *hpp,  argument
463 	int64_t (*cmp)(struct perf_hpp_fmt *fmt,  argument
465 	int64_t (*collapse)(struct perf_hpp_fmt *fmt,  argument
467 	int64_t (*sort)(struct perf_hpp_fmt *fmt,  argument
469 	bool (*equal)(struct perf_hpp_fmt *a, struct perf_hpp_fmt *b);  argument
470 	void (*free)(struct perf_hpp_fmt *fmt);  argument
472 	struct list_head list;
473 	struct list_head sort_list;
474 	bool elide;
475 	int len;
476 	int user_len;
477 	int idx;
478 	int level;