269 struct perf_hpp_fmt {  struct
271 	int (*header)(struct perf_hpp_fmt *fmt, struct perf_hpp *hpp,  argument
273 	int (*width)(struct perf_hpp_fmt *fmt, struct perf_hpp *hpp,  argument
275 	int (*color)(struct perf_hpp_fmt *fmt, struct perf_hpp *hpp,  argument
277 	int (*entry)(struct perf_hpp_fmt *fmt, struct perf_hpp *hpp,  argument
279 	int64_t (*cmp)(struct perf_hpp_fmt *fmt,  argument
281 	int64_t (*collapse)(struct perf_hpp_fmt *fmt,  argument
283 	int64_t (*sort)(struct perf_hpp_fmt *fmt,  argument
285 	bool (*equal)(struct perf_hpp_fmt *a, struct perf_hpp_fmt *b);  argument
286 	void (*free)(struct perf_hpp_fmt *fmt);  argument
288 	struct list_head list;
289 	struct list_head sort_list;
290 	bool elide;
291 	int len;
292 	int user_len;
293 	int idx;
294 	int level;