# Module Hal_device.Cpufreq

    module Cpufreq: sig .. end

    val set_cpufreq_governor : t -> string -> unit Lwt.t

    val set_cpufreq_performance : t -> int -> unit Lwt.t

    val set_cpufreq_consider_nice : t -> bool -> unit Lwt.t

    val get_cpufreq_governor : t -> string Lwt.t

    val get_cpufreq_performance : t -> int Lwt.t

    val get_cpufreq_consider_nice : t -> bool Lwt.t

    val get_cpufreq_available_governors : t -> string list Lwt.t