[observer] Move rpc calls to runtime tools

5 files changed, 251 insertions, 222 deletions

diff --git a/lib/observer/src/observer_app_wx.erl b/lib/observer/src/observer_app_wx.erl
index 4f35a93004..62046577ad 100644
--- a/lib/observer/src/observer_app_wx.erl
+++ b/lib/observer/src/observer_app_wx.erl
@@ -255,6 +255,11 @@ handle_info({delivery, Pid, app_ctrl, _, Apps0},
     wxListBox:appendStrings(LBox, [App || App <- lists:sort(Apps)]),
     {noreply, State};
 
+handle_info({delivery, _Pid, app, _Curr, {[], [], [], []}},
+	    State = #state{panel=Panel}) ->
+    wxWindow:refresh(Panel),
+    {noreply, State#state{app=undefined, sel=undefined}};
+
 handle_info({delivery, Pid, app, Curr, AppData},
 	    State = #state{panel=Panel, appmon=Pid, current=Curr,
 			   app_w=AppWin, paint=#paint{font=Font}}) ->
@@ -356,11 +361,10 @@ build_tree({Root, P2Name, Links, XLinks0}, Font) ->
     {_, Tree0} = build_tree2(Root, Lookup, Name2P, Font),
     {Tree, Dim} = calc_tree_size(Tree0),
     Fetch = fun({From, To}, Acc) ->
-		    case gb_trees:lookup(To, Name2P) of
-			{value, ToPid} ->
-			    FromPid = gb_trees:get(From, Name2P),
-			    [{locate_box(FromPid, [Tree]),locate_box(ToPid, [Tree])}|Acc];
-			none ->
+		    try {value, ToPid} = gb_trees:lookup(To, Name2P),
+			 FromPid = gb_trees:get(From, Name2P),
+			 [{locate_box(FromPid, [Tree]),locate_box(ToPid, [Tree])}|Acc]
+		    catch _:_ ->
 			    Acc
 		    end
 	    end,
diff --git a/lib/observer/src/observer_sys_wx.erl b/lib/observer/src/observer_sys_wx.erl
index 2535b50876..09602bbd9e 100644
--- a/lib/observer/src/observer_sys_wx.erl
+++ b/lib/observer/src/observer_sys_wx.erl
@@ -24,8 +24,6 @@
 -export([init/1, handle_info/2, terminate/2, code_change/3, handle_call/3,
 	 handle_event/2, handle_cast/2]).
 
--export([sys_info/0]).
-
 -include_lib("wx/include/wx.hrl").
 -include("observer_defs.hrl").
 
@@ -48,7 +46,7 @@ start_link(Notebook, Parent) ->
 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
 
 init([Notebook, Parent]) ->
-    SysInfo = sys_info(),
+    SysInfo = observer_backend:sys_info(),
     {Info, Stat} = info_fields(),
     Panel = wxPanel:new(Notebook),
     Sizer = wxBoxSizer:new(?wxHORIZONTAL),
@@ -73,7 +71,7 @@ create_sys_menu(Parent) ->
     observer_wx:create_menus(Parent, [View]).
 
 update_syspage(#sys_wx_state{node = Node, fields=Fields, sizer=Sizer}) ->
-    SysInfo = observer_wx:try_rpc(Node, ?MODULE, sys_info, []),
+    SysInfo = observer_wx:try_rpc(Node, observer_backend, sys_info, []),
     {Info, Stat} = info_fields(),
     observer_lib:update_info(Fields, observer_lib:fill_info(Info, SysInfo) ++
 				 observer_lib:fill_info(Stat, SysInfo)),
@@ -105,12 +103,12 @@ info_fields() ->
 	      {"Ets", {bytes, ets}}
 	     ]},
 	    {"Statistics", right,
-	     [{"Up time", uptime},
+	     [{"Up time", {time_ms, uptime}},
 	      {"Max Processes", process_limit},
 	      {"Processes", process_count},
 	      {"Run Queue", run_queue},
-	      {"IO Input",  io_input},
-	      {"IO Output",  io_output}
+	      {"IO Input",  {bytes, io_input}},
+	      {"IO Output", {bytes, io_output}}
 	     ]}
 	   ],
     {Info, Stat}.
@@ -177,28 +175,3 @@ handle_event(#wx{id = ?ID_REFRESH_INTERVAL,
 handle_event(Event, State) ->
     io:format("~p:~p: Unhandled event ~p\n", [?MODULE,?LINE,Event]),
     {noreply, State}.
-
-
-sys_info() ->
-    {{_,Input},{_,Output}} = erlang:statistics(io),
-    [{process_count, erlang:system_info(process_count)},
-     {process_limit, erlang:system_info(process_limit)},
-     {uptime, {time_ms, element(1, erlang:statistics(wall_clock))}},
-     {run_queue, erlang:statistics(run_queue)},
-     {io_input, {bytes, Input}},
-     {io_output, {bytes, Output}},
-     {logical_processors, erlang:system_info(logical_processors)},
-     {logical_processors_available, erlang:system_info(logical_processors_available)},
-     {logical_processors_online, erlang:system_info(logical_processors_online)},
-
-     {otp_release, erlang:system_info(otp_release)},
-     {version, erlang:system_info(version)},
-     {system_architecture, erlang:system_info(system_architecture)},
-     {kernel_poll, erlang:system_info(kernel_poll)},
-     {smp_support, erlang:system_info(smp_support)},
-     {threads, erlang:system_info(threads)},
-     {thread_pool_size, erlang:system_info(thread_pool_size)},
-     {wordsize_internal, erlang:system_info({wordsize, internal})},
-     {wordsize_external, erlang:system_info({wordsize, external})} |
-     erlang:memory()
-    ].
diff --git a/lib/observer/src/observer_tv_table.erl b/lib/observer/src/observer_tv_table.erl
index dd11ba5470..31d5f3d632 100644
--- a/lib/observer/src/observer_tv_table.erl
+++ b/lib/observer/src/observer_tv_table.erl
@@ -24,8 +24,6 @@
 -export([init/1, handle_info/2, terminate/2, code_change/3, handle_call/3,
 	 handle_event/2, handle_sync_event/3, handle_cast/2]).
 
--export([get_table/3]).
-
 -include("observer_defs.hrl").
 -import(observer_lib, [to_str/1]).
 
@@ -507,7 +505,7 @@ table_holder(S0 = #holder{parent=Parent, pid=Pid, table=Table}) ->
 	    %% io:format("ignoring refresh", []),
 	    table_holder(S0);
 	refresh ->
-	    GetTab = rpc:call(S0#holder.node, ?MODULE, get_table,
+	    GetTab = rpc:call(S0#holder.node, observer_backend, get_table,
 			      [self(), S0#holder.tabid, S0#holder.source]),
 	    table_holder(S0#holder{pid=GetTab});
 	{delete, Row} ->
@@ -708,49 +706,6 @@ insert(Object, #holder{tabid=Id, source=Source, node=Node}) ->
     end.
 
 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
-get_table(Parent, Table, Module) ->
-    spawn(fun() ->
-		  link(Parent),
-		  get_table2(Parent, Table, Module)
-	  end).
-
-get_table2(Parent, Table, Type) ->
-    Size = case Type of
-	       ets -> ets:info(Table, size);
-	       mnesia -> mnesia:table_info(Table, size)
-	   end,
-    case Size > 0 of
-	false ->
-	    Parent ! {self(), '$end_of_table'},
-	    normal;
-	true when Type =:= ets ->
-	    Mem = ets:info(Table, memory),
-	    Average = Mem div Size,
-	    NoElements = max(10, 20000 div Average),
-	    get_ets_loop(Parent, ets:match(Table, '$1', NoElements));
-	true ->
-	    Mem = mnesia:table_info(Table, memory),
-	    Average = Mem div Size,
-	    NoElements = max(10, 20000 div Average),
-	    Ms = [{'$1', [], ['$1']}],
-	    Get = fun() ->
-			  get_mnesia_loop(Parent, mnesia:select(Table, Ms, NoElements, read))
-		  end,
-	    %% Not a transaction, we don't want to grab locks when inspecting the table
-	    mnesia:async_dirty(Get)
-    end.
-
-get_ets_loop(Parent, '$end_of_table') ->
-    Parent ! {self(), '$end_of_table'};
-get_ets_loop(Parent, {Match, Cont}) ->
-    Parent ! {self(), Match},
-    get_ets_loop(Parent, ets:match(Cont)).
-
-get_mnesia_loop(Parent, '$end_of_table') ->
-    Parent ! {self(), '$end_of_table'};
-get_mnesia_loop(Parent, {Match, Cont}) ->
-    Parent ! {self(), Match},
-    get_ets_loop(Parent, mnesia:select(Cont)).
 
 column_names(Node, Type, Table) ->
     case Type of
diff --git a/lib/observer/src/observer_tv_wx.erl b/lib/observer/src/observer_tv_wx.erl
index bf66b7178c..a473fe83b9 100644
--- a/lib/observer/src/observer_tv_wx.erl
+++ b/lib/observer/src/observer_tv_wx.erl
@@ -23,8 +23,6 @@
 -export([init/1, handle_info/2, terminate/2, code_change/3, handle_call/3,
 	 handle_event/2, handle_sync_event/3, handle_cast/2]).
 
--export([get_table_list/1]). %% RPC called move to runtime tools?
-
 -behaviour(wx_object).
 -include_lib("wx/include/wx.hrl").
 -include("observer_defs.hrl").
@@ -239,91 +237,33 @@ get_tables(Node, Opts) ->
 	Res ->
 	    Res
     end.
-get_tables2(Node, Opt) ->
-    case rpc:call(Node, ?MODULE, get_table_list, [Opt]) of
+get_tables2(Node, #opt{type=Type, sys_hidden=Sys, unread_hidden=Unread}) ->
+    Args = [Type, [{sys_hidden,Sys}, {unread_hidden,Unread}]],
+    case rpc:call(Node, observer_backend, get_table_list, Args) of
 	{badrpc, Error} ->
 	    {error, Error};
+	Error = {error, _} ->
+	    Error;
 	Result ->
-	    Result
+	    [list_to_tabrec(Tab) || Tab <- Result]
     end.
 
-get_table_list(#opt{type=ets, unread_hidden=HideUnread, sys_hidden=HideSys}) ->
-    Info = fun(Id, Acc) ->
-		   try
-		       TabId = case ets:info(Id, named_table) of
-				   true -> ignore;
-				   false -> Id
-			       end,
-		       Name = ets:info(Id, name),
-		       Protection = ets:info(Id, protection),
-		       ignore(HideUnread andalso Protection == private, unreadable),
-		       Owner = ets:info(Id, owner),
-		       RegName = case catch process_info(Owner, registered_name) of
-				     [] -> ignore;
-				     {registered_name, ProcName} -> ProcName
-				 end,
-		       ignore(HideSys andalso ordsets:is_element(RegName, sys_processes()), system_tab),
-		       ignore(HideSys andalso ordsets:is_element(Name, sys_tables()), system_tab),
-		       ignore((RegName == mnesia_monitor)
-			      andalso Name /= schema
-			      andalso is_atom((catch mnesia:table_info(Name, where_to_read))), mnesia_tab),
-		       Memory = ets:info(Id, memory) * erlang:system_info(wordsize),
-		       Tab = #tab{name = Name,
-				  id = TabId,
-				  protection = Protection,
-				  owner = Owner,
-				  size = ets:info(Id, size),
-				  reg_name = RegName,
-				  type = ets:info(Id, type),
-				  keypos = ets:info(Id, keypos),
-				  heir = ets:info(Id, heir),
-				  memory = Memory,
-				  compressed = ets:info(Id, compressed),
-				  fixed = ets:info(Id, fixed)
-				 },
-		       [Tab|Acc]
-		   catch _:_What ->
-			   %% io:format("Skipped ~p: ~p ~n",[Id, _What]),
-			   Acc
-		   end
-	   end,
-    lists:foldl(Info, [], ets:all());
-get_table_list(#opt{type=mnesia, sys_hidden=HideSys}) ->
-    Owner = ets:info(schema, owner),
-    Owner /= undefined orelse
-	throw({error, "Mnesia is not running on: " ++ atom_to_list(node())}),
-    {registered_name, RegName} = process_info(Owner, registered_name),
-    Info = fun(Id, Acc) ->
-		   try
-		       Name = Id,
-		       ignore(HideSys andalso ordsets:is_element(Name, mnesia_tables()), system_tab),
-		       ignore(Name =:= schema, mnesia_tab),
-		       Storage = mnesia:table_info(Id, storage_type),
-		       Tab0 = #tab{name = Name,
-				   owner = Owner,
-				   size = mnesia:table_info(Id, size),
-				   reg_name = RegName,
-				   type = mnesia:table_info(Id, type),
-				   keypos = 2,
-				   memory = mnesia:table_info(Id, memory) * erlang:system_info(wordsize),
-				   storage = Storage,
-				   index = mnesia:table_info(Id, index)
-				  },
-		       Tab = if Storage == disc_only_copies ->
-				     Tab0#tab{fixed = element(2, dets:info(Id, safe_fixed)) /= []};
-				(Storage == ram_copies) orelse
-				(Storage == disc_copies) ->
-				     Tab0#tab{fixed = ets:info(Id, fixed),
-					      compressed = ets:info(Id, compressed)};
-				true -> Tab0
-			     end,
-		       [Tab|Acc]
-		   catch _:_What ->
-			   %% io:format("Skipped ~p: ~p ~n",[Id, _What]),
-			   Acc
-		   end
-	   end,
-    lists:foldl(Info, [], mnesia:system_info(tables)).
+list_to_tabrec(PL) ->
+    #tab{name = proplists:get_value(name, PL),
+	 id = proplists:get_value(id, PL, ignore),
+	 size = proplists:get_value(size, PL, 0),
+	 memory= proplists:get_value(memory, PL, 0),   %% In bytes
+	 owner=proplists:get_value(owner, PL),
+	 reg_name=proplists:get_value(reg_name, PL),
+	 protection = proplists:get_value(protection, PL, public),
+	 type=proplists:get_value(type, PL, set),
+	 keypos=proplists:get_value(keypos, PL, 1),
+	 heir=proplists:get_value(heir, PL, none),
+	 compressed=proplists:get_value(compressed, PL, false),
+	 fixed=proplists:get_value(fixed, PL, false),
+	 %% Mnesia Info
+	 storage =proplists:get_value(storage, PL),
+	 index = proplists:get_value(index, PL)}.
 
 display_table_info(Parent0, Node, Source, Table) ->
     Parent = observer_lib:get_wx_parent(Parent0),
@@ -377,59 +317,6 @@ list_to_strings([A]) -> integer_to_list(A);
 list_to_strings([A,B]) ->
     integer_to_list(A) ++ " ," ++ list_to_strings(B).
 
-sys_tables() ->
-    [ac_tab,  asn1,
-     cdv_dump_index_table,  cdv_menu_table,  cdv_decode_heap_table,
-     cell_id,  cell_pos,  clist,
-     cover_internal_data_table,   cover_collected_remote_data_table, cover_binary_code_table,
-     code, code_names,  cookies,
-     corba_policy,  corba_policy_associations,
-     dets, dets_owners, dets_registry,
-     disk_log_names, disk_log_pids,
-     eprof,  erl_atom_cache, erl_epmd_nodes,
-     etop_accum_tab,  etop_tr,
-     ets_coverage_data,
-     file_io_servers,
-     gs_mapping, gs_names,  gstk_db,
-     gstk_grid_cellid, gstk_grid_cellpos, gstk_grid_id,
-     httpd,
-     id,
-     ign_req_index, ign_requests,
-     index,
-     inet_cache, inet_db, inet_hosts,
-     'InitialReferences',
-     int_db,
-     interpreter_includedirs_macros,
-     ir_WstringDef,
-     lmcounter,  locks,
-%     mnesia_decision,
-     mnesia_gvar, mnesia_stats,
-%     mnesia_transient_decision,
-     pg2_table,
-     queue,
-     schema,
-     shell_records,
-     snmp_agent_table, snmp_local_db2, snmp_mib_data, snmp_note_store, snmp_symbolic_ets,
-     tkFun, tkLink, tkPriv,
-     ttb, ttb_history_table,
-     udp_fds, udp_pids
-    ].
-
-sys_processes() ->
-    [auth, code_server, global_name_server, inet_db,
-     mnesia_recover, net_kernel, timer_server, wxe_master].
-
-mnesia_tables() ->
-    [ir_AliasDef, ir_ArrayDef, ir_AttributeDef, ir_ConstantDef,
-     ir_Contained, ir_Container, ir_EnumDef, ir_ExceptionDef,
-     ir_IDLType, ir_IRObject, ir_InterfaceDef, ir_ModuleDef,
-     ir_ORB, ir_OperationDef, ir_PrimitiveDef, ir_Repository,
-     ir_SequenceDef, ir_StringDef, ir_StructDef, ir_TypedefDef,
-     ir_UnionDef, logTable, logTransferTable, mesh_meas,
-     mesh_type, mnesia_clist, orber_CosNaming,
-     orber_objkeys, user
-    ].
-
 handle_error(Foo) ->
     Str = io_lib:format("ERROR: ~s~n",[Foo]),
     observer_lib:display_info_dialog(Str).
@@ -465,6 +352,3 @@ update_grid2(Grid, #opt{sort_key=Sort,sort_incr=Dir}, Tables) ->
 	       end,
     lists:foldl(Update, 0, ProcInfo),
     ProcInfo.
-
-ignore(true, Reason) -> throw(Reason);
-ignore(_,_ ) -> ok.
diff --git a/lib/runtime_tools/src/observer_backend.erl b/lib/runtime_tools/src/observer_backend.erl
index 9c1f9da5b1..2f8ffbcdb6 100644
--- a/lib/runtime_tools/src/observer_backend.erl
+++ b/lib/runtime_tools/src/observer_backend.erl
@@ -1,7 +1,7 @@
 %%
 %% %CopyrightBegin%
 %% 
-%% Copyright Ericsson AB 2002-2009. All Rights Reserved.
+%% Copyright Ericsson AB 2002-2011. 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
@@ -21,6 +21,9 @@
 %% General
 -export([vsn/0]).
 
+%% observer stuff
+-export([sys_info/0, get_table/3, get_table_list/2]).
+
 %% etop stuff
 -export([etop_collect/1]).
 -include("observer_backend.hrl").
@@ -42,7 +45,158 @@ vsn() ->
 	Error -> Error
     end.
 
+%%
+%% observer backend
+%%
+sys_info() ->
+    {{_,Input},{_,Output}} = erlang:statistics(io),
+    [{process_count, erlang:system_info(process_count)},
+     {process_limit, erlang:system_info(process_limit)},
+     {uptime, element(1, erlang:statistics(wall_clock))},
+     {run_queue, erlang:statistics(run_queue)},
+     {io_input, Input},
+     {io_output,  Output},
+     {logical_processors, erlang:system_info(logical_processors)},
+     {logical_processors_available, erlang:system_info(logical_processors_available)},
+     {logical_processors_online, erlang:system_info(logical_processors_online)},
+
+     {otp_release, erlang:system_info(otp_release)},
+     {version, erlang:system_info(version)},
+     {system_architecture, erlang:system_info(system_architecture)},
+     {kernel_poll, erlang:system_info(kernel_poll)},
+     {smp_support, erlang:system_info(smp_support)},
+     {threads, erlang:system_info(threads)},
+     {thread_pool_size, erlang:system_info(thread_pool_size)},
+     {wordsize_internal, erlang:system_info({wordsize, internal})},
+     {wordsize_external, erlang:system_info({wordsize, external})} |
+     erlang:memory()
+    ].
+
+get_table(Parent, Table, Module) ->
+    spawn(fun() ->
+		  link(Parent),
+		  get_table2(Parent, Table, Module)
+	  end).
+
+get_table2(Parent, Table, Type) ->
+    Size = case Type of
+	       ets -> ets:info(Table, size);
+	       mnesia -> mnesia:table_info(Table, size)
+	   end,
+    case Size > 0 of
+	false ->
+	    Parent ! {self(), '$end_of_table'},
+	    normal;
+	true when Type =:= ets ->
+	    Mem = ets:info(Table, memory),
+	    Average = Mem div Size,
+	    NoElements = max(10, 20000 div Average),
+	    get_ets_loop(Parent, ets:match(Table, '$1', NoElements));
+	true ->
+	    Mem = mnesia:table_info(Table, memory),
+	    Average = Mem div Size,
+	    NoElements = max(10, 20000 div Average),
+	    Ms = [{'$1', [], ['$1']}],
+	    Get = fun() ->
+			  get_mnesia_loop(Parent, mnesia:select(Table, Ms, NoElements, read))
+		  end,
+	    %% Not a transaction, we don't want to grab locks when inspecting the table
+	    mnesia:async_dirty(Get)
+    end.
 
+get_ets_loop(Parent, '$end_of_table') ->
+    Parent ! {self(), '$end_of_table'};
+get_ets_loop(Parent, {Match, Cont}) ->
+    Parent ! {self(), Match},
+    get_ets_loop(Parent, ets:match(Cont)).
+
+get_mnesia_loop(Parent, '$end_of_table') ->
+    Parent ! {self(), '$end_of_table'};
+get_mnesia_loop(Parent, {Match, Cont}) ->
+    Parent ! {self(), Match},
+    get_mnesia_loop(Parent, mnesia:select(Cont)).
+
+get_table_list(ets, Opts) ->
+    HideUnread = proplists:get_value(unread_hidden, Opts, true),
+    HideSys = proplists:get_value(sys_hidden, Opts, true),
+    Info = fun(Id, Acc) ->
+		   try
+		       TabId = case ets:info(Id, named_table) of
+				   true -> ignore;
+				   false -> Id
+			       end,
+		       Name = ets:info(Id, name),
+		       Protection = ets:info(Id, protection),
+		       ignore(HideUnread andalso Protection == private, unreadable),
+		       Owner = ets:info(Id, owner),
+		       RegName = case catch process_info(Owner, registered_name) of
+				     [] -> ignore;
+				     {registered_name, ProcName} -> ProcName
+				 end,
+		       ignore(HideSys andalso ordsets:is_element(RegName, sys_processes()), system_tab),
+		       ignore(HideSys andalso ordsets:is_element(Name, sys_tables()), system_tab),
+		       ignore((RegName == mnesia_monitor)
+			      andalso Name /= schema
+			      andalso is_atom((catch mnesia:table_info(Name, where_to_read))), mnesia_tab),
+		       Memory = ets:info(Id, memory) * erlang:system_info(wordsize),
+		       Tab = [{name,Name},
+			      {id,TabId},
+			      {protection,Protection},
+			      {owner,Owner},
+			      {size,ets:info(Id, size)},
+			      {reg_name,RegName},
+			      {type,ets:info(Id, type)},
+			      {keypos,ets:info(Id, keypos)},
+			      {heir,ets:info(Id, heir)},
+			      {memory,Memory},
+			      {compressed,ets:info(Id, compressed)},
+			      {fixed,ets:info(Id, fixed)}
+			     ],
+		       [Tab|Acc]
+		   catch _:_What ->
+			   %% io:format("Skipped ~p: ~p ~n",[Id, _What]),
+			   Acc
+		   end
+	   end,
+    lists:foldl(Info, [], ets:all());
+
+get_table_list(mnesia, Opts) ->
+    HideSys = proplists:get_value(sys_hidden, Opts, true),
+    Owner = ets:info(schema, owner),
+    Owner /= undefined orelse
+	throw({error, "Mnesia is not running on: " ++ atom_to_list(node())}),
+    {registered_name, RegName} = process_info(Owner, registered_name),
+    Info = fun(Id, Acc) ->
+		   try
+		       Name = Id,
+		       ignore(HideSys andalso ordsets:is_element(Name, mnesia_tables()), system_tab),
+		       ignore(Name =:= schema, mnesia_tab),
+		       Storage = mnesia:table_info(Id, storage_type),
+		       Tab0 = [{name,Name},
+			       {owner,Owner},
+			       {size,mnesia:table_info(Id, size)},
+			       {reg_name,RegName},
+			       {type,mnesia:table_info(Id, type)},
+			       {keypos,2},
+			       {memory,mnesia:table_info(Id, memory) * erlang:system_info(wordsize)},
+			       {storage,Storage},
+			       {index,mnesia:table_info(Id, index)}
+			      ],
+		       Tab = if Storage == disc_only_copies ->
+				     [{fixed, dets:info(Id, safe_fixed)}|Tab0];
+				(Storage == ram_copies) orelse
+				(Storage == disc_copies) ->
+				     [{fixed, ets:info(Id, fixed)},
+				      {compressed, ets:info(Id, compressed)}|Tab0];
+				true -> Tab0
+			     end,
+		       [Tab|Acc]
+		   catch _:_What ->
+			   %% io:format("Skipped ~p: ~p ~p ~n",[Id, _What, erlang:get_stacktrace()]),
+			   Acc
+		   end
+	   end,
+    lists:foldl(Info, [], mnesia:system_info(tables)).
 
 %%
 %% etop backend
@@ -395,3 +549,62 @@ match_filenames(Dir,MetaFile,[H|T],Files) ->
     end;
 match_filenames(_Dir,_MetaFile,[],Files) ->
     Files.
+
+
+%%%%%%%%%%%%%%%%%
+
+sys_tables() ->
+    [ac_tab,  asn1,
+     cdv_dump_index_table,  cdv_menu_table,  cdv_decode_heap_table,
+     cell_id,  cell_pos,  clist,
+     cover_internal_data_table,   cover_collected_remote_data_table, cover_binary_code_table,
+     code, code_names,  cookies,
+     corba_policy,  corba_policy_associations,
+     dets, dets_owners, dets_registry,
+     disk_log_names, disk_log_pids,
+     eprof,  erl_atom_cache, erl_epmd_nodes,
+     etop_accum_tab,  etop_tr,
+     ets_coverage_data,
+     file_io_servers,
+     gs_mapping, gs_names,  gstk_db,
+     gstk_grid_cellid, gstk_grid_cellpos, gstk_grid_id,
+     httpd,
+     id,
+     ign_req_index, ign_requests,
+     index,
+     inet_cache, inet_db, inet_hosts,
+     'InitialReferences',
+     int_db,
+     interpreter_includedirs_macros,
+     ir_WstringDef,
+     lmcounter,  locks,
+						%     mnesia_decision,
+     mnesia_gvar, mnesia_stats,
+						%     mnesia_transient_decision,
+     pg2_table,
+     queue,
+     schema,
+     shell_records,
+     snmp_agent_table, snmp_local_db2, snmp_mib_data, snmp_note_store, snmp_symbolic_ets,
+     tkFun, tkLink, tkPriv,
+     ttb, ttb_history_table,
+     udp_fds, udp_pids
+    ].
+
+sys_processes() ->
+    [auth, code_server, global_name_server, inet_db,
+     mnesia_recover, net_kernel, timer_server, wxe_master].
+
+mnesia_tables() ->
+    [ir_AliasDef, ir_ArrayDef, ir_AttributeDef, ir_ConstantDef,
+     ir_Contained, ir_Container, ir_EnumDef, ir_ExceptionDef,
+     ir_IDLType, ir_IRObject, ir_InterfaceDef, ir_ModuleDef,
+     ir_ORB, ir_OperationDef, ir_PrimitiveDef, ir_Repository,
+     ir_SequenceDef, ir_StringDef, ir_StructDef, ir_TypedefDef,
+     ir_UnionDef, logTable, logTransferTable, mesh_meas,
+     mesh_type, mnesia_clist, orber_CosNaming,
+     orber_objkeys, user
+    ].
+
+ignore(true, Reason) -> throw(Reason);
+ignore(_,_ ) -> ok.