Merge branch 'dgud/observer/gui/OTP-4779'

* dgud/observer/gui/OTP-4779:
  [observer] Implemented basic tracing functionality
  [observer] Work around wxWidgets windows bug
  [observer] Rework tracing part of the gui
  [observer] Fix portability bugs
  [observer] Improve process_info window
  [observer] Misc cleanup and fixes
  [observer] Clean up code
  [observer] Add a [d]ets viewer, tv replacement
  [observer] Started on a wx gui

1 files changed, 223 insertions, 0 deletions

diff --git a/lib/observer/src/observer_sys_wx.erl b/lib/observer/src/observer_sys_wx.erl
new file mode 100644
index 0000000000..ddedcf3829
--- /dev/null
+++ b/lib/observer/src/observer_sys_wx.erl
@@ -0,0 +1,223 @@
+%%
+%% %CopyrightBegin%
+%%
+%% Copyright Ericsson AB 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
+%% 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%
+-module(observer_sys_wx).
+
+-behaviour(wx_object).
+
+-export([start_link/2]).
+%% wx_object callbacks
+-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").
+
+-define(ID_REFRESH, 101).
+-define(ID_REFRESH_INTERVAL, 102).
+
+%% Records
+-record(sys_wx_state,
+	{parent,
+	 node,
+	 parent_notebook,
+	 panel, sizer,
+	 menubar,
+	 fields,
+	 timer}).
+
+start_link(Notebook, Parent) ->
+    wx_object:start_link(?MODULE, [Notebook, Parent], []).
+
+%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+
+init([Notebook, Parent]) ->
+    SysInfo = sys_info(),
+    {Info, Stat} = info_fields(),
+    Panel = wxPanel:new(Notebook),
+    Sizer = wxBoxSizer:new(?wxHORIZONTAL),
+    {FPanel0, _FSizer0, Fields0} =
+	observer_lib:display_info(Panel, observer_lib:fill_info(Info, SysInfo)),
+    {FPanel1, _FSizer1, Fields1} =
+	observer_lib:display_info(Panel, observer_lib:fill_info(Stat, SysInfo)),
+    wxSizer:add(Sizer, FPanel0, [{flag, ?wxEXPAND bor ?wxTOP bor ?wxBOTTOM bor ?wxLEFT},
+				 {proportion, 1}, {border, 5}]),
+    wxSizer:add(Sizer, FPanel1, [{flag, ?wxEXPAND bor ?wxTOP bor ?wxBOTTOM bor ?wxRIGHT},
+				 {proportion, 1}, {border, 5}]),
+    wxPanel:setSizer(Panel, Sizer),
+    Timer = observer_lib:start_timer(10),
+    {Panel, #sys_wx_state{parent=Parent,
+			  parent_notebook=Notebook,
+			  panel=Panel, sizer=Sizer,
+			  timer=Timer, fields=Fields0 ++ Fields1}}.
+
+create_sys_menu(Parent) ->
+    View = {"View", [#create_menu{id = ?ID_REFRESH, text = "Refresh\tCtrl-R"},
+		     #create_menu{id = ?ID_REFRESH_INTERVAL, text = "Refresh interval"}]},
+    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, []),
+    {Info, Stat} = info_fields(),
+    observer_lib:update_info(Fields, observer_lib:fill_info(Info, SysInfo) ++
+				 observer_lib:fill_info(Stat, SysInfo)),
+    wxSizer:layout(Sizer).
+
+info_fields() ->
+    Info = [{"System and Architecture",
+	     [{"System Version", otp_release},
+	      {"Erts Version", version},
+	      {"Compiled for", system_architecture},
+	      {"Emulator Wordsize", wordsize_external},
+	      {"Process Wordsize", wordsize_internal},
+	      {"Smp Support",  smp_support},
+	      {"Thread Support",  threads},
+	      {"Async thread pool size",  thread_pool_size}
+	     ]},
+	    {"CPU's and Threads",
+	     [{"System Logical CPU's", logical_processors},
+	      {"Erlang Logical CPU's", logical_processors_online},
+	      {"Used Logical CPU's", logical_processors_available}
+	     ]}
+	   ],
+    Stat = [{"Memory Usage", right,
+	     [{"Total", total},
+	      {"Processes", processes},
+	      {"Atoms", atom},
+	      {"Binaries", binary},
+	      {"Code", code},
+	      {"Ets", ets}
+	     ]},
+	    {"Statistics", right,
+	     [{"Up time", uptime},
+	      {"Max Processes", process_limit},
+	      {"Processes", process_count},
+	      {"Run Queue", run_queue},
+	      {"IO Input",  io_input},
+	      {"IO Output",  io_output}
+	     ]}
+	   ],
+    {Info, Stat}.
+
+%%%%%%%%%%%%%%%%%%%%%%% Callbacks %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+
+handle_info(refresh_interval, #sys_wx_state{panel = Panel,
+					    node = Node} = State) ->
+    try
+	update_syspage(State)
+    catch error:{badrpc, _} ->
+	    observer_wx:return_to_localnode(Panel, Node)
+    end,
+    {noreply, State};
+
+handle_info({node, Node}, #sys_wx_state{panel = Panel} = State) ->
+    UpdState = State#sys_wx_state{node = Node},
+    try
+	update_syspage(UpdState),
+	{noreply, UpdState}
+    catch error:{badrpc, _} ->
+	    observer_wx:return_to_localnode(Panel, Node),
+	    {noreply, State}
+    end;
+
+handle_info({active, Node}, #sys_wx_state{parent = Parent, panel = Panel,
+					  timer = Timer} = State) ->
+    UpdState = State#sys_wx_state{node = Node},
+    create_sys_menu(Parent),
+    try
+	update_syspage(UpdState),
+	{noreply, UpdState#sys_wx_state{timer=observer_lib:start_timer(Timer)}}
+    catch error:{badrpc, _} ->
+	    observer_wx:return_to_localnode(Panel, Node),
+	    {noreply, State}
+    end;
+
+
+handle_info(not_active, #sys_wx_state{timer = Timer} = State) ->
+    {noreply, State#sys_wx_state{timer = observer_lib:stop_timer(Timer)}};
+
+handle_info(Info, State) ->
+    io:format("~p:~p: Unhandled info: ~p~n", [?MODULE, ?LINE, Info]),
+    {noreply, State}.
+
+terminate(_Reason, _State) ->
+    ok.
+
+code_change(_, _, State) ->
+    {stop, not_yet_implemented, State}.
+
+handle_call(Msg, _From, State) ->
+    io:format("~p~p: Unhandled Call ~p~n",[?MODULE, ?LINE, Msg]),
+    {reply, ok, State}.
+
+handle_cast(Msg, State) ->
+    io:format("~p~p: Unhandled cast ~p~n",[?MODULE, ?LINE, Msg]),
+    {noreply, State}.
+
+handle_event(#wx{id = ?ID_REFRESH, event = #wxCommand{type = command_menu_selected}},
+	     #sys_wx_state{node = Node, panel = Panel} = State) ->
+    try
+	update_syspage(State)
+    catch error:{badrpc, _} ->
+	    observer_wx:return_to_localnode(Panel, Node)
+    end,
+    {noreply, State};
+
+handle_event(#wx{id = ?ID_REFRESH_INTERVAL,
+		 event = #wxCommand{type = command_menu_selected}},
+	     #sys_wx_state{timer = Timer0, parent_notebook = Notebook} = State) ->
+    Timer = observer_lib:interval_dialog(Notebook, Timer0, 1, 5*60),
+    {noreply, State#sys_wx_state{timer=Timer}};
+
+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)},
+
+     {total, {bytes, erlang:memory(total)}},
+     %%{processes_used, erlang:memory(processes_used)},
+     {processes, {bytes, erlang:memory(processes)}},
+     %%{atom_used, erlang:memory(atom_used)},
+     {atom, {bytes, erlang:memory(atom)}},
+     {binary, {bytes, erlang:memory(binary)}},
+     {code, {bytes, erlang:memory(code)}},
+     {ets, {bytes, erlang:memory(ets)}},
+
+     {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})}
+    ].