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(**************************************************************************)
(* *)
(* OCaml *)
(* *)
(* 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 Lesser General Public License version 2.1, with the *)
(* special exception on linking described in the file LICENSE. *)
(* *)
(**************************************************************************)
(* Run-time library for profiled programs *)
type profiling_counters = (string * (string * int array)) list
let counters = ref ([] : profiling_counters);;
let incr a i = a.(i) <- a.(i) + 1;;
exception Bad_profile
let dump_counters () =
let dumpfile =
try Sys.getenv "OCAMLPROF_DUMP" with Not_found -> "ocamlprof.dump"
in
begin try
let ic = open_in_bin dumpfile 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 dumpfile in
output_value oc !counters;
close_out oc
with _ -> ()
end
let _ = at_exit dump_counters
|
