type callback_bench = ?run_config:Run_config.t -> ?analysis_configs:Analysis_config.t list -> ?display_config:Display_config.t -> ?save_to_file:(Measurement.t-> string) ->Test.t list -> unit
type callback_load_analyze_and_display = filenames:string list -> ?analysis_configs:Analysis_config.t list -> ?display_config:Display_config.t -> unit -> unit