https://github.com/charguer/ocaml
Tip revision: 19e8e771ad0b0ea97b02bbd004c5f6a8d94bd1f3 authored by Jun FURUSE / 古瀬 淳 on 01 October 2002, 12:49:20 UTC
restart developping
restart developping
Tip revision: 19e8e77
profiling.ml
(***********************************************************************)
(* *)
(* Objective Caml *)
(* *)
(* Damien Doligez and Francois Rouaix, INRIA Rocquencourt *)
(* Ported to Caml Special Light by John Malecki and Xavier Leroy *)
(* *)
(* Copyright 1996 Institut National de Recherche en Informatique et *)
(* en Automatique. All rights reserved. This file is distributed *)
(* under the terms of the GNU Library General Public License. *)
(* *)
(***********************************************************************)
(* $Id$ *)
(* Run-time library for profiled programs *)
type profiling_counters = (string * (string * int array)) list
let counters = ref ([] : profiling_counters)
exception Bad_profile
let dump_counters () =
begin try
let ic = open_in_bin "ocamlprof.dump" in
let prevl = (input_value ic : profiling_counters) in
close_in ic;
List.iter2
(fun (curname, (curmodes,curcount)) (prevname, (prevmodes,prevcount)) ->
if curname <> prevname
|| curmodes <> prevmodes
|| Array.length curcount <> Array.length prevcount
then raise Bad_profile)
!counters prevl;
List.iter2
(fun (curname, (_,curcount)) (prevname, (_,prevcount)) ->
for i = 0 to Array.length curcount - 1 do
curcount.(i) <- curcount.(i) + prevcount.(i)
done)
!counters prevl
with _ -> ()
end;
begin try
let oc = open_out_bin "ocamlprof.dump" in
output_value oc !counters;
close_out oc
with _ -> ()
end
let _ = at_exit dump_counters