函数逻辑报告

函数名称：racing_map_add_key_field - Add a field describing a tracing_map key*@map: The tracing_map*@offset: The offset within the key*@cmp_fn: The comparison function that will be used to sort on the key* Let the map know there is a key and that if it's used as a

函数原型：int tracing_map_add_key_field(struct tracing_map *map, unsigned int offset, tracing_map_cmp_fn_t cmp_fn)

返回类型：int

参数：