diff options
Diffstat (limited to 'erts')
| -rw-r--r-- | erts/emulator/utils/loaded | 44 |
1 files changed, 44 insertions, 0 deletions
diff --git a/erts/emulator/utils/loaded b/erts/emulator/utils/loaded new file mode 100644 index 0000000000..99a66e7fdb --- /dev/null +++ b/erts/emulator/utils/loaded @@ -0,0 +1,44 @@ +%% -*- erlang -*- +%% +%% %CopyrightBegin% +%% +%% Copyright Ericsson AB 1998-2010. All Rights Reserved. +%% +%% 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 online 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. +%% +%% %CopyrightEnd% +%% + +%% Run like: +%% $ERL_TOP/bin/escript erts/emulator/utils/loaded + +-mode(compile). + +main(_) -> + LibDir = code:lib_dir(), + io:format("Library root is ~s\n", [LibDir]), + Wc = filename:join(LibDir, "*/ebin/*.beam"), + Beams = filelib:wildcard(Wc), + BeamFileSize = lists:sum([filelib:file_size(Beam) || Beam <- Beams]), + io:format("~w BEAM files containing ~w bytes\n", + [length(Beams),BeamFileSize]), + Ms = [list_to_atom(filename:rootname(filename:basename(Beam))) || + Beam <- Beams], + [{module,_} = code:ensure_loaded(M) || M <- Ms], + <<"Current code: ",T/binary>> = erlang:system_info(loaded), + Digits = grab_digits(T), + io:format("~w modules comprising ~s words when loaded\n", + [length(Ms),Digits]). + +grab_digits(<<H,T/binary>>) when $0 =< H, H =< $9 -> + [H|grab_digits(T)]; +grab_digits(<<$\n,_/binary>>) -> []. |