Module Posix_clock

module Posix_clock: Posix_clock

type t = 
| Realtime
| Monotonic
| Process_cpu
| Process_thread
val all : t list
val to_string : t -> string
val getres : (t -> Core.Int63.t) Core.Std.Or_error.t
val gettime : (t -> Core.Int63.t) Core.Std.Or_error.t
val min_interval : (t -> Core.Int63.t) Core.Std.Or_error.t
val mean_gettime_cost : (measure:t -> using:t -> Core.Int63.t)
Core.Std.Or_error.t