MLton.Rusage

signature MLTON_RUSAGE =
   sig
      type t = {utime: Time.time, (* user time *)
                stime: Time.time} (* system time *)
         
      val rusage: unit -> {children: t,
                           gc: t,
                           self: t}
   end

type t

corresponds to a subset of the C struct rusage. We will add fields as necessary.

rusage ()

corresponds to the C getrusage function. It returns the resource usage of the exited children, the garbage collector, and the process itself. The process time includes the gc time.