(*****************************************************************************)
(*                                                                           *)
(* Open Source License                                                       *)
(* Copyright (c) 2020 Nomadic Labs, <contact@nomadic-labs.com>               *)
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(* A "benchmark" for the timer itself. *)

let timer_variable = Free_variable.of_string "Timer_latency"

let timer_model =
  Model.make
    ~conv:(fun () -> ())
    ~model:(Model.unknown_const1 ~const:timer_variable)

module Timer_latency_bench : Benchmark.S = struct
  type config = unit

  let default_config = ()

  let config_encoding = Data_encoding.unit

  let name = "TIMER_LATENCY"

  let info = "Measuring timer latency"

  let tags = ["misc"; "builtin"]

  let models = [("*", timer_model)]

  let workload_to_vector () = Sparse_vec.String.of_list [("timer_latency", 1.)]

  type workload = unit

  let workload_encoding = Data_encoding.unit

  let bench () =
    let closure () = () in
    let workload = () in
    Generator.Plain {workload; closure}

  let create_benchmarks ~rng_state ~bench_num () =
    ignore rng_state ;
    List.repeat bench_num bench
end

let () = Registration.register (module Timer_latency_bench)