241 struct perf_hpp_fmt {  struct
243 	int (*header)(struct perf_hpp_fmt *fmt, struct perf_hpp *hpp,  argument
245 	int (*width)(struct perf_hpp_fmt *fmt, struct perf_hpp *hpp,  argument
247 	int (*color)(struct perf_hpp_fmt *fmt, struct perf_hpp *hpp,  argument
249 	int (*entry)(struct perf_hpp_fmt *fmt, struct perf_hpp *hpp,  argument
251 	int64_t (*cmp)(struct perf_hpp_fmt *fmt,  argument
253 	int64_t (*collapse)(struct perf_hpp_fmt *fmt,  argument
255 	int64_t (*sort)(struct perf_hpp_fmt *fmt,  argument
257 	bool (*equal)(struct perf_hpp_fmt *a, struct perf_hpp_fmt *b);  argument
258 	void (*free)(struct perf_hpp_fmt *fmt);  argument
260 	struct list_head list;
261 	struct list_head sort_list;
262 	bool elide;
263 	int len;
264 	int user_len;
265 	int idx;
266 	int level;