%% ``The contents of this file are subject to the Erlang Public License,
%% Version 1.1, (the "License"); you may not use this file except in
%% compliance with the License. You should have received a copy of the
%% Erlang Public License along with this software. If not, it can be
%% retrieved via the world wide web at http://www.erlang.org/.
%%
%% Software distributed under the License is distributed on an "AS IS"
%% basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See
%% the License for the specific language governing rights and limitations
%% under the License.
%%
%% The Initial Developer of the Original Code is Ericsson Utvecklings AB.
%% Portions created by Ericsson are Copyright 1999, Ericsson Utvecklings
%% AB. All Rights Reserved.''
%%
%%     $Id$
%%
-module(all).

%% User interface
-export([run/0]).

%% Interna constants
-define(NORMAL, 0).

%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%%%         Interface
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%

%%---------------------------------------------------------------------------
%% run() -> _
%%
%% Runs all benchmark modules in the current directory on all erlang
%% installations specified by releases/0
%%---------------------------------------------------------------------------
run() ->
    %% Delete previous intermediate test result files.
    lists:foreach(fun(F) -> file:delete(F) end, filelib:wildcard("*.bmres")),
    lists:foreach(fun run/1, releases()).

%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%%%         Internal functions
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%

%%---------------------------------------------------------------------------
%% run(Release) -> _
%%        Release = string() - Erlang release
%% Help functions to run/0
%%---------------------------------------------------------------------------
run(Release) ->
    command(Release ++ " -noshell -compile bench -s erlang halt"),
    command(Release ++ " -noshell -s bench run -s erlang halt").
%%---------------------------------------------------------------------------
%% command(Command) -> _
%%        Command = string() - is the name and arguments of the external
%%                           program which will be run
%%---------------------------------------------------------------------------
command(Command) ->
    io:format("~s\n", [Command]),  % Progress info to user
    Port = open_port({spawn,Command}, [exit_status, in]),
    print_output(Port).
%%---------------------------------------------------------------------------
%% print_output(Port) -> _
%%        Port = port()
%% Print data from the port i.e. output from external program,
%% on standard out.
%%---------------------------------------------------------------------------
print_output(Port) ->
    receive
        {Port, {data,Bytes}} ->
            io:put_chars(Bytes),
            print_output(Port);
        {Port, {exit_status, ?NORMAL}} ->
            ok
    end.
%%---------------------------------------------------------------------------
%% run() -> Releases
%%        Releases = [Release |_]
%%      Release = string() - Erlang release
%% Defines which erlang releases to run on
%%  --- Change this function to reflect your own erlang installations ---
%%---------------------------------------------------------------------------
releases() ->
    ["/usr/local/otp/releases/otp_beam_sunos5_r7b01_patched/bin/erl",
     "/usr/local/otp/releases/otp_beam_sunos5_r8b_patched/bin/erl"].





















