76 lines
2.5 KiB
OCaml
76 lines
2.5 KiB
OCaml
(* Copyright 2012 Tony Garnock-Jones <tonygarnockjones@gmail.com>. *)
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(* This file is part of Hop. *)
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(* Hop is free software: you can redistribute it and/or modify it *)
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(* under the terms of the GNU General Public License as published by the *)
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(* Free Software Foundation, either version 3 of the License, or (at your *)
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(* option) any later version. *)
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(* Hop is distributed in the hope that it will be useful, but *)
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(* WITHOUT ANY WARRANTY; without even the implied warranty of *)
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(* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU *)
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(* General Public License for more details. *)
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(* You should have received a copy of the GNU General Public License *)
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(* along with Hop. If not, see <http://www.gnu.org/licenses/>. *)
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open Sexp
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let nmessages = 500000
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let receiver ch =
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let low = ref 10000000 in
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let high = ref 0 in
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let sum = ref (Int64.zero) in
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let count = ref 0 in
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while !count < nmessages do
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let m = Squeue.pop ch in
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let now = Unix.gettimeofday () in
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match (Message.message_of_sexp m) with
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| Message.Post (_, Str starttime_str, _) ->
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let starttime = float_of_string starttime_str in
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let delta_us = int_of_float ((now -. starttime) *. 1000000.0) in
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count := !count + 1;
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if delta_us < !low then low := delta_us else ();
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if delta_us > !high then high := delta_us else ();
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sum := Int64.add (!sum) (Int64.of_int delta_us);
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| _ ->
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()
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done;
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Log.info (Printf.sprintf "Stats: low %d us, high %d us, average %d us"
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(!low)
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(!high)
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(Int64.to_int (Int64.div (!sum) (Int64.of_int (!count))))) []
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let sender () =
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let ch = Squeue.create 1000 in
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ignore (Util.create_thread "Speed test receiver" None receiver ch);
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let n = Node.make "speedtest" (fun _ m -> Squeue.add m ch) in
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(try
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ignore (Node.bind("speedtest", n));
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let starttime = Unix.gettimeofday () in
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let rec sendloop remaining =
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if remaining = 0
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then ()
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else
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let now = Unix.gettimeofday () in
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Node.post_ignore "speedtest" (Str "test_message") (Str (string_of_float now)) (Str "");
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sendloop (remaining - 1)
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in
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sendloop nmessages;
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let stoptime = Unix.gettimeofday () in
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let delta = stoptime -. starttime in
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Log.info (Printf.sprintf "Speedtest took %d ms (%d Hz)"
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(int_of_float (delta *. 1000.0))
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(int_of_float ((float_of_int nmessages) /. delta))) []
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with exn -> Log.error "Uncaught exception in speedtest" [Str (Printexc.to_string exn)]);
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Node.unbind_all n
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let init () =
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ignore (Util.create_thread
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"Speed test"
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None
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sender
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())
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