%%
%% %CopyrightBegin%
%%
%% Copyright Ericsson AB 2015-2017. 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/3]).
%% 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,
{
time = #ti{},
active = false,
parent,
wins,
mem,
samples,
max,
panel,
paint,
appmon,
async
}).
-define(ID_REFRESH_INTERVAL, 102).
-import(observer_perf_wx,
[make_win/4, setup_graph_drawing/1, refresh_panel/4, interval_dialog/2,
add_data/5, precalc/4]).
start_link(Notebook, Parent, Config) ->
wx_object:start_link(?MODULE, [Notebook, Parent, Config], []).
init([Notebook, Parent, Config]) ->
try
TopP = wxPanel:new(Notebook),
Main = wxBoxSizer:new(?wxVERTICAL),
Panel = wxPanel:new(TopP),
GSzr = wxBoxSizer:new(?wxVERTICAL),
BorderFlags = ?wxLEFT bor ?wxRIGHT,
Carrier = make_win(alloc, Panel, GSzr, BorderFlags bor ?wxTOP),
Utilz = make_win(utilz, Panel, GSzr, BorderFlags),
wxWindow:setSizer(Panel, GSzr),
wxSizer:add(Main, Panel, [{flag, ?wxEXPAND},{proportion,2}]),
MemWin = create_mem_info(TopP),
wxSizer:add(Main, MemWin, [{flag, ?wxEXPAND bor BorderFlags bor ?wxBOTTOM},
{proportion, 1}, {border, 5}]),
wxWindow:setSizer(TopP, Main),
Windows = [Carrier, Utilz],
PaintInfo = setup_graph_drawing(Windows),
{TopP, #state{parent= Parent,
panel = Panel,
wins = Windows,
mem = MemWin,
paint = PaintInfo,
time = setup_time(Config),
max = #{}
}
}
catch _:Err ->
io:format("~p crashed ~tp: ~tp~n",[?MODULE, Err, erlang:get_stacktrace()]),
{stop, Err}
end.
setup_time(Config) ->
Freq = maps:get(fetch, Config, 1),
#ti{disp=?DISP_FREQ/Freq,
fetch=Freq,
secs=maps:get(secs, Config, ?DISP_SECONDS)}.
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
handle_event(#wx{id=?ID_REFRESH_INTERVAL, event=#wxCommand{type=command_menu_selected}},
#state{active=Active, panel=Panel, appmon=Old, wins=Wins0, time=#ti{fetch=F0} = Ti0} = State) ->
case interval_dialog(Panel, Ti0) of
Ti0 -> {noreply, State};
#ti{fetch=F0} = Ti -> %% Same fetch interval force refresh
Wins = [W#win{max=undefined} || W <- Wins0],
{noreply, precalc(State#state{time=Ti, wins=Wins})};
Ti when not Active ->
{noreply, State#state{time=Ti}};
Ti -> %% Changed fetch interval, drop all data
{noreply, restart_fetcher(Old, State#state{time=Ti})}
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, time=Ti, paint=Paint,
wins = Windows}) ->
%% Sigh workaround bug on MacOSX (Id in paint event is always 0)
Win = lists:keyfind(Panel, #win.panel, Windows),
refresh_panel(Active, Win, Ti, Paint),
ok.
%%%%%%%%%%
handle_call(get_config, _, #state{time=Ti}=State) ->
#ti{fetch=Fetch, secs=Range} = Ti,
{reply, #{fetch=>Fetch, secs=>Range}, State};
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, samples=Data, max=Max0,
active=Active, wins=Wins0, time=#ti{tick=Tick, disp=Disp0}=Ti} = S0) ->
Disp = trunc(Disp0),
Next = max(Tick - Disp, 0),
erlang:send_after(1000 div ?DISP_FREQ, self(), {refresh, Next}),
Info = alloc_info(SysInfo),
Max = lists:foldl(fun calc_max/2, Max0, Info),
{Wins, Samples} = add_data(Info, Data, Wins0, Ti, Active),
S1 = S0#state{time=Ti#ti{tick=Next}, wins=Wins, samples=Samples, max=Max, async=undefined},
if Active ->
update_alloc(S0, Info, Max),
State = precalc(S1),
{noreply, State};
true ->
{noreply, S1}
end;
handle_info({refresh, Seq},
State = #state{panel=Panel, appmon=Node, time=#ti{tick=Seq, disp=DispF}=Ti})
when (Seq+1) < (DispF*1.5) ->
Next = Seq+1,
State#state.active andalso (catch wxWindow:refresh(Panel)),
erlang:send_after(1000 div ?DISP_FREQ, self(), {refresh, Next}),
if Seq =:= (trunc(DispF)-1) ->
Req = rpc:async_call(Node, observer_backend, sys_info, []),
{noreply, State#state{time=Ti#ti{tick=Next}, async=Req}};
true ->
{noreply, State#state{time=Ti#ti{tick=Next}}}
end;
handle_info({refresh, _S}, #state{}=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, precalc(State#state{active=true})}
catch _:_ ->
{noreply, restart_fetcher(Node, State)}
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: ~tp~n",[?MODULE,?LINE,_Event]),
{noreply, State}.
terminate(_Event, #state{}) ->
ok.
code_change(_, _, State) ->
State.
%%%%%%%%%%
restart_fetcher(Node, #state{panel=Panel, wins=Wins0, time=Ti} = State) ->
case rpc:call(Node, observer_backend, sys_info, []) of
{badrpc, _} -> State;
SysInfo ->
Info = alloc_info(SysInfo),
Max = lists:foldl(fun calc_max/2, #{}, Info),
{Wins, Samples} = add_data(Info, {0, queue:new()}, Wins0, Ti, true),
erlang:send_after(1000 div ?DISP_FREQ, self(), {refresh, 0}),
wxWindow:refresh(Panel),
precalc(State#state{active=true, appmon=Node, time=Ti#ti{tick=0},
wins=Wins, samples=Samples, max=Max})
end.
precalc(#state{samples=Data0, paint=Paint, time=Ti, wins=Wins0}=State) ->
Wins = [precalc(Ti, Data0, Paint, Win) || Win <- Wins0],
State#state{wins=Wins}.
calc_max({Name, _, Cs}, Max0) ->
case maps:get(Name, Max0, 0) of
Value when Value < Cs ->
Max0#{Name=>Cs};
_V ->
Max0
end.
update_alloc(#state{mem=Grid}, Fields, Max) ->
wxWindow:freeze(Grid),
Last = wxListCtrl:getItemCount(Grid),
Update = fun({Name, BS, CS}, Row) ->
(Row >= Last) andalso wxListCtrl:insertItem(Grid, Row, ""),
MaxV = maps:get(Name, Max, CS),
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)),
wxListCtrl:setItem(Grid, Row, 3, observer_lib:to_str(MaxV div 1024)),
Row + 1
end,
wx:foldl(Update, 0, Fields),
wxWindow:thaw(Grid),
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) ->
Style = ?wxLC_REPORT bor ?wxLC_SINGLE_SEL bor ?wxLC_HRULES bor ?wxLC_VRULES,
Grid = wxListCtrl:new(Parent, [{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},
{"Max Carrier size (kB)",?wxLIST_FORMAT_RIGHT, 150}
],
lists:foldl(AddListEntry, 0, ListItems),
wxListItem:destroy(Li),
Grid.
create_menus(Parent, _) ->
View = {"View", [#create_menu{id = ?ID_REFRESH_INTERVAL, text = "Graph Settings"}]},
observer_wx:create_menus(Parent, [{"File", []}, View]).
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
