234 struct perf_hpp_fmt {  struct
236 	int (*header)(struct perf_hpp_fmt *fmt, struct perf_hpp *hpp,  argument
238 	int (*width)(struct perf_hpp_fmt *fmt, struct perf_hpp *hpp,  argument
240 	int (*color)(struct perf_hpp_fmt *fmt, struct perf_hpp *hpp,  argument
242 	int (*entry)(struct perf_hpp_fmt *fmt, struct perf_hpp *hpp,  argument
244 	int64_t (*cmp)(struct perf_hpp_fmt *fmt,  argument
246 	int64_t (*collapse)(struct perf_hpp_fmt *fmt,  argument
248 	int64_t (*sort)(struct perf_hpp_fmt *fmt,  argument
250 	bool (*equal)(struct perf_hpp_fmt *a, struct perf_hpp_fmt *b);  argument
251 	void (*free)(struct perf_hpp_fmt *fmt);  argument
253 	struct list_head list;
254 	struct list_head sort_list;
255 	bool elide;
256 	int len;
257 	int user_len;
258 	int idx;
259 	int level;