%%
%% %CopyrightBegin%
%%
%% Copyright Ericsson AB 2015. All Rights Reserved.
%%
%% Licensed under the Apache License, Version 2.0 (the "License");
%% you may not use this file except in compliance with the License.
%% You may obtain a copy of the License at
%%
%% http://www.apache.org/licenses/LICENSE-2.0
%%
%% Unless required by applicable law or agreed to in writing, software
%% distributed under the License is distributed on an "AS IS" BASIS,
%% WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
%% See the License for the specific language governing permissions and
%% limitations under the License.
%%
%% %CopyrightEnd%
-module(observer_alloc_wx).
-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_sync_event/3, handle_cast/2]).
-behaviour(wx_object).
-include_lib("wx/include/wx.hrl").
-include("observer_defs.hrl").
-record(state,
{
offset = 0.0,
active = false,
parent,
windows,
data = {0, queue:new()},
panel,
paint,
appmon,
async
}).
-define(ALLOC_W, 1).
-define(UTIL_W, 2).
start_link(Notebook, Parent) ->
wx_object:start_link(?MODULE, [Notebook, Parent], []).
init([Notebook, Parent]) ->
try
Panel = wxPanel:new(Notebook),
Main = wxBoxSizer:new(?wxVERTICAL),
Style = ?wxFULL_REPAINT_ON_RESIZE bor ?wxCLIP_CHILDREN,
Carrier = wxPanel:new(Panel, [{winid, ?ALLOC_W}, {style,Style}]),
Utilz = wxPanel:new(Panel, [{winid, ?UTIL_W}, {style,Style}]),
BorderFlags = ?wxLEFT bor ?wxRIGHT,
wxSizer:add(Main, Carrier, [{flag, ?wxEXPAND bor BorderFlags bor ?wxTOP},
{proportion, 1}, {border, 5}]),
wxSizer:add(Main, Utilz, [{flag, ?wxEXPAND bor BorderFlags},
{proportion, 1}, {border, 5}]),
MemWin = {MemPanel,_} = create_mem_info(Panel),
wxSizer:add(Main, MemPanel, [{flag, ?wxEXPAND bor BorderFlags bor ?wxBOTTOM},
{proportion, 1}, {border, 5}]),
wxWindow:setSizer(Panel, Main),
PaintInfo = observer_perf_wx:setup_graph_drawing([Carrier, Utilz]),
{Panel, #state{parent=Parent,
panel =Panel,
windows = {Carrier, Utilz, MemWin},
paint=PaintInfo}
}
catch _:Err ->
io:format("~p crashed ~p: ~p~n",[?MODULE, Err, erlang:get_stacktrace()]),
{stop, Err}
end.
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
handle_event(#wx{event=#wxCommand{type=command_menu_selected}},
State = #state{}) ->
{noreply, State};
handle_event(Event, _State) ->
error({unhandled_event, Event}).
%%%%%%%%%%
handle_sync_event(#wx{obj=Panel, event = #wxPaint{}},_,
#state{active=Active, offset=Offset, paint=Paint,
windows=Windows, data=Data}) ->
%% Sigh workaround bug on MacOSX (Id in paint event is always 0)
Id = if Panel =:= element(?ALLOC_W, Windows) -> alloc;
Panel =:= element(?UTIL_W, Windows) -> utilz
end,
observer_perf_wx:refresh_panel(Panel, Id, Offset, Data, Active, Paint),
ok.
%%%%%%%%%%
handle_call(Event, From, _State) ->
error({unhandled_call, Event, From}).
handle_cast(Event, _State) ->
error({unhandled_cast, Event}).
%%%%%%%%%%
handle_info({Key, {promise_reply, {badrpc, _}}}, #state{async=Key} = State) ->
{noreply, State#state{active=false, appmon=undefined}};
handle_info({Key, {promise_reply, SysInfo}}, #state{async=Key, data=Data} = State) ->
Info = alloc_info(SysInfo),
update_alloc(State, Info),
{noreply, State#state{offset=0.0, data = add_data(Info, Data), async=undefined}};
handle_info({refresh, Seq, Freq, Node}, #state{panel=Panel, appmon=Node, async=Key} = State) ->
wxWindow:refresh(Panel),
Next = Seq+1,
if
Next > Freq, Key =:= undefined ->
erlang:send_after(trunc(1000 / Freq), self(), {refresh, 1, Freq, Node}),
Req = rpc:async_call(Node, observer_backend, sys_info, []),
{noreply, State#state{offset=Seq/Freq, async=Req}};
true ->
erlang:send_after(trunc(1000 / Freq), self(), {refresh, Next, Freq, Node}),
{noreply, State#state{offset=Seq/Freq}}
end;
handle_info({refresh, _Seq, _Freq, _Node}, State) ->
{noreply, State};
handle_info({active, Node}, State = #state{parent=Parent, panel=Panel, appmon=Old}) ->
create_menus(Parent, []),
try
Node = Old,
wxWindow:refresh(Panel),
{noreply, State#state{active=true}}
catch _:_ ->
SysInfo = observer_wx:try_rpc(Node, observer_backend, sys_info, []),
Info = alloc_info(SysInfo),
Freq = 6,
erlang:send_after(trunc(1000 / Freq), self(), {refresh, 1, Freq, Node}),
wxWindow:refresh(Panel),
{noreply, State#state{active=true, appmon=Node, offset=0.0,
data = add_data(Info, {0, queue:new()})}}
end;
handle_info(not_active, State = #state{appmon=_Pid}) ->
{noreply, State#state{active=false}};
handle_info({'EXIT', Old, _}, State = #state{appmon=Old}) ->
{noreply, State#state{active=false, appmon=undefined}};
handle_info(_Event, State) ->
%% io:format("~p:~p: ~p~n",[?MODULE,?LINE,_Event]),
{noreply, State}.
terminate(_Event, #state{}) ->
ok.
code_change(_, _, State) ->
State.
%%%%%%%%%%
add_data(Stats, {N, Q}) when N > 60 ->
{N, queue:drop(queue:in(Stats, Q))};
add_data(Stats, {N, Q}) ->
{N+1, queue:in(Stats, Q)}.
update_alloc(#state{windows={_, _, {_, Grid}}}, Fields) ->
Max = wxListCtrl:getItemCount(Grid),
Update = fun({Name, BS, CS}, Row) ->
(Row >= Max) andalso wxListCtrl:insertItem(Grid, Row, ""),
wxListCtrl:setItem(Grid, Row, 0, observer_lib:to_str(Name)),
wxListCtrl:setItem(Grid, Row, 1, observer_lib:to_str(BS div 1024)),
wxListCtrl:setItem(Grid, Row, 2, observer_lib:to_str(CS div 1024)),
Row + 1
end,
lists:foldl(Update, 0, Fields),
Fields.
alloc_info(SysInfo) ->
AllocInfo = proplists:get_value(alloc_info, SysInfo, []),
alloc_info(AllocInfo, [], 0, 0, true).
alloc_info([{Type,Instances}|Allocators],TypeAcc,TotalBS,TotalCS,IncludeTotal) ->
{BS,CS,NewTotalBS,NewTotalCS,NewIncludeTotal} =
sum_alloc_instances(Instances,0,0,TotalBS,TotalCS),
alloc_info(Allocators,[{Type,BS,CS}|TypeAcc],NewTotalBS,NewTotalCS,
IncludeTotal andalso NewIncludeTotal);
alloc_info([],TypeAcc,TotalBS,TotalCS,IncludeTotal) ->
Types = [X || X={_,BS,CS} <- TypeAcc, (BS>0 orelse CS>0)],
case IncludeTotal of
true ->
[{total,TotalBS,TotalCS} | lists:reverse(Types)];
false ->
lists:reverse(Types)
end.
sum_alloc_instances(false,BS,CS,TotalBS,TotalCS) ->
{BS,CS,TotalBS,TotalCS,false};
sum_alloc_instances([{_,_,Data}|Instances],BS,CS,TotalBS,TotalCS) ->
{NewBS,NewCS,NewTotalBS,NewTotalCS} =
sum_alloc_one_instance(Data,BS,CS,TotalBS,TotalCS),
sum_alloc_instances(Instances,NewBS,NewCS,NewTotalBS,NewTotalCS);
sum_alloc_instances([],BS,CS,TotalBS,TotalCS) ->
{BS,CS,TotalBS,TotalCS,true}.
sum_alloc_one_instance([{sbmbcs,[{blocks_size,BS,_,_},{carriers_size,CS,_,_}]}|
Rest],OldBS,OldCS,TotalBS,TotalCS) ->
sum_alloc_one_instance(Rest,OldBS+BS,OldCS+CS,TotalBS,TotalCS);
sum_alloc_one_instance([{_,[{blocks_size,BS,_,_},{carriers_size,CS,_,_}]}|
Rest],OldBS,OldCS,TotalBS,TotalCS) ->
sum_alloc_one_instance(Rest,OldBS+BS,OldCS+CS,TotalBS+BS,TotalCS+CS);
sum_alloc_one_instance([{_,[{blocks_size,BS},{carriers_size,CS}]}|
Rest],OldBS,OldCS,TotalBS,TotalCS) ->
sum_alloc_one_instance(Rest,OldBS+BS,OldCS+CS,TotalBS+BS,TotalCS+CS);
sum_alloc_one_instance([_|Rest],BS,CS,TotalBS,TotalCS) ->
sum_alloc_one_instance(Rest,BS,CS,TotalBS,TotalCS);
sum_alloc_one_instance([],BS,CS,TotalBS,TotalCS) ->
{BS,CS,TotalBS,TotalCS}.
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
create_mem_info(Parent) ->
Panel = wxPanel:new(Parent),
wxWindow:setBackgroundColour(Panel, {255,255,255}),
Style = ?wxLC_REPORT bor ?wxLC_SINGLE_SEL bor ?wxLC_HRULES bor ?wxLC_VRULES,
Grid = wxListCtrl:new(Panel, [{style, Style}]),
Li = wxListItem:new(),
AddListEntry = fun({Name, Align, DefSize}, Col) ->
wxListItem:setText(Li, Name),
wxListItem:setAlign(Li, Align),
wxListCtrl:insertColumn(Grid, Col, Li),
wxListCtrl:setColumnWidth(Grid, Col, DefSize),
Col + 1
end,
ListItems = [{"Allocator Type", ?wxLIST_FORMAT_LEFT, 200},
{"Block size (kB)", ?wxLIST_FORMAT_RIGHT, 150},
{"Carrier size (kB)",?wxLIST_FORMAT_RIGHT, 150}],
lists:foldl(AddListEntry, 0, ListItems),
wxListItem:destroy(Li),
Sizer = wxBoxSizer:new(?wxVERTICAL),
wxSizer:add(Sizer, Grid, [{flag, ?wxEXPAND bor ?wxLEFT bor ?wxRIGHT},
{border, 5}, {proportion, 1}]),
wxWindow:setSizerAndFit(Panel, Sizer),
{Panel, Grid}.
create_menus(Parent, _) ->
MenuEntries =
[{"File",
[
]}
],
observer_wx:create_menus(Parent, MenuEntries).
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
