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-rw-r--r--lib/observer/src/observer_procinfo.erl56
1 files changed, 55 insertions, 1 deletions
diff --git a/lib/observer/src/observer_procinfo.erl b/lib/observer/src/observer_procinfo.erl
index 45218c177b..f234218017 100644
--- a/lib/observer/src/observer_procinfo.erl
+++ b/lib/observer/src/observer_procinfo.erl
@@ -64,6 +64,7 @@ init([Pid, ParentFrame, Parent]) ->
MessagePage = init_panel(Notebook, "Messages", Pid, fun init_message_page/2),
DictPage = init_panel(Notebook, "Dictionary", Pid, fun init_dict_page/2),
StackPage = init_panel(Notebook, "Stack Trace", Pid, fun init_stack_page/2),
+ StatePage = init_panel(Notebook, "State", Pid, fun init_state_page/2),
wxFrame:connect(Frame, close_window),
wxMenu:connect(Frame, command_menu_selected),
@@ -72,7 +73,7 @@ init([Pid, ParentFrame, Parent]) ->
{Frame, #state{parent=Parent,
pid=Pid,
frame=Frame,
- pages=[ProcessPage,MessagePage,DictPage,StackPage]
+ pages=[ProcessPage,MessagePage,DictPage,StackPage,StatePage]
}}
catch error:{badrpc, _} ->
observer_wx:return_to_localnode(ParentFrame, node(Pid)),
@@ -235,6 +236,59 @@ init_stack_page(Parent, Pid) ->
Update(),
{LCtrl, Update}.
+
+init_state_page(Parent, Pid) ->
+ Text = init_text_page(Parent),
+ Update = fun() ->
+ %% First, test if sys:get_status/2 have any chance to return an answer
+ case rpc:call(node(Pid), proc_lib, translate_initial_call, [Pid])
+ of
+ %% Not a gen process
+ {proc_lib,init_p,5} -> Misc = [{"Information", "Not available"}];
+ %% May be a gen process
+ {M, _F, _A} ->
+ %% Get the behavio(u)r
+ I = rpc:call(node(Pid), M, module_info, [attributes]),
+ case lists:keyfind(behaviour, 1, I) of
+ false -> case lists:keyfind(behavior, 1, I) of
+ false -> B = undefined;
+ {behavior, [B]} -> B
+ end;
+ {behaviour, [B]} -> B
+ end,
+ %% but not sure that system messages are treated by this process
+ %% so using a rpc with a small timeout in order not to lag the display
+ case rpc:call(node(Pid), sys, get_status, [Pid, 200])
+ of
+ {status, _, {module, _}, [_PDict, _SysState, _Parent, _Dbg,
+ [Header,{data, First},{data, Second}]]} ->
+ Misc = [{"Behaviour", B}] ++ [Header] ++ First ++ Second;
+ {status, _, {module, _}, [_PDict, _SysState, _Parent, _Dbg,
+ [Header,{data, First}, OtherFormat]]} ->
+ Misc = [{"Behaviour", B}] ++ [Header] ++ First ++ [{"State",OtherFormat}];
+ {status, _, {module, _}, [_PDict, _SysState, _Parent, _Dbg,
+ OtherFormat]} ->
+ %% Formatted status ?
+ case lists:keyfind(format_status, 1, rpc:call(node(Pid), M, module_info, [exports])) of
+ false -> Opt = {"Format", unknown};
+ _ -> Opt = {"Format", overriden}
+ end,
+ Misc = [{"Behaviour", B}] ++ [Opt, {"State",OtherFormat}];
+ {badrpc,{'EXIT',{timeout, _}}} ->
+ Misc = [{"Information","Timed out"},
+ {"Tip","system messages are probably not treated by this process"}]
+ end;
+ _ -> Misc=[], throw(process_undefined)
+ end,
+ Dict = [io_lib:format("~-20.s ~tp~n", [K, V]) || {K, V} <- Misc],
+ Last = wxTextCtrl:getLastPosition(Text),
+ wxTextCtrl:remove(Text, 0, Last),
+ wxTextCtrl:writeText(Text, Dict)
+ end,
+ Update(),
+ {Text, Update}.
+
+
create_menus(MenuBar) ->
Menus = [{"File", [#create_menu{id=?wxID_CLOSE, text="Close"}]},
{"View", [#create_menu{id=?REFRESH, text="Refresh\tCtrl-R"}]}],