aboutsummaryrefslogtreecommitdiffstats
path: root/lib
diff options
context:
space:
mode:
Diffstat (limited to 'lib')
-rw-r--r--lib/observer/src/observer_alloc_wx.erl140
-rw-r--r--lib/observer/src/observer_app_wx.erl47
-rw-r--r--lib/observer/src/observer_defs.hrl11
-rw-r--r--lib/observer/src/observer_perf_wx.erl730
4 files changed, 562 insertions, 366 deletions
diff --git a/lib/observer/src/observer_alloc_wx.erl b/lib/observer/src/observer_alloc_wx.erl
index 8d5c8a9037..d37623d1cc 100644
--- a/lib/observer/src/observer_alloc_wx.erl
+++ b/lib/observer/src/observer_alloc_wx.erl
@@ -30,19 +30,23 @@
-record(state,
{
- offset = 0.0,
+ time = #ti{},
active = false,
parent,
- windows,
- data = {0, queue:new()},
+ wins,
+ mem,
+ samples,
panel,
paint,
appmon,
async
}).
--define(ALLOC_W, 1).
--define(UTIL_W, 2).
+-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) ->
wx_object:start_link(?MODULE, [Notebook, Parent], []).
@@ -51,34 +55,44 @@ 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}]),
+ Carrier = make_win(alloc, Panel, Main, BorderFlags bor ?wxTOP),
+ Utilz = make_win(utilz, Panel, Main, BorderFlags),
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}
+ Windows = [Carrier, Utilz],
+ PaintInfo = setup_graph_drawing(Windows),
+ {Panel, #state{parent= Parent,
+ panel = Panel,
+ wins = Windows,
+ mem = MemWin,
+ paint = PaintInfo,
+ time = setup_time()
+ }
}
catch _:Err ->
io:format("~p crashed ~p: ~p~n",[?MODULE, Err, erlang:get_stacktrace()]),
{stop, Err}
end.
-%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+setup_time() ->
+ Freq = 1,
+ #ti{fetch=Freq, disp=?DISP_FREQ/Freq}.
+%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+handle_event(#wx{id=?ID_REFRESH_INTERVAL, event=#wxCommand{type=command_menu_selected}},
+ #state{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 -> %% 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};
@@ -88,13 +102,11 @@ handle_event(Event, _State) ->
%%%%%%%%%%
handle_sync_event(#wx{obj=Panel, event = #wxPaint{}},_,
- #state{active=Active, offset=Offset, paint=Paint,
- windows=Windows, data=Data}) ->
+ #state{active=Active, time=Ti, paint=Paint,
+ wins = Windows}) ->
%% 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),
+ Win = lists:keyfind(Panel, #win.panel, Windows),
+ refresh_panel(Active, Win, Ti, Paint),
ok.
%%%%%%%%%%
handle_call(Event, From, _State) ->
@@ -107,24 +119,37 @@ handle_cast(Event, _State) ->
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) ->
+handle_info({Key, {promise_reply, SysInfo}},
+ #state{async=Key, panel=Panel, samples=Data, 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),
- update_alloc(State, Info),
- {noreply, State#state{offset=0.0, data = add_data(Info, Data), async=undefined}};
+ {Wins, Samples} = add_data(Info, Data, Wins0, Ti, Active),
+ S1 = S0#state{time=Ti#ti{tick=Next}, wins=Wins, samples=Samples, async=undefined},
+ if Active ->
+ update_alloc(S0, Info),
+ State = precalc(S1),
+ catch wxWindow:refresh(Panel),
+ {noreply, State};
+ true ->
+ {noreply, S1}
+ end;
-handle_info({refresh, Seq, Freq, Node}, #state{panel=Panel, appmon=Node, async=Key} = State) ->
- wxWindow:refresh(Panel),
+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,
- if
- Next > Freq, Key =:= undefined ->
- erlang:send_after(trunc(1000 / Freq), self(), {refresh, 1, Freq, Node}),
+ 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{offset=Seq/Freq, async=Req}};
+ {noreply, State#state{time=Ti#ti{tick=Next}, async=Req}};
true ->
- erlang:send_after(trunc(1000 / Freq), self(), {refresh, Next, Freq, Node}),
- {noreply, State#state{offset=Seq/Freq}}
+ {noreply, State#state{time=Ti#ti{tick=Next}}}
end;
-handle_info({refresh, _Seq, _Freq, _Node}, State) ->
+handle_info({refresh, _S}, #state{}=State) ->
{noreply, State};
handle_info({active, Node}, State = #state{parent=Parent, panel=Panel, appmon=Old}) ->
@@ -132,15 +157,9 @@ handle_info({active, Node}, State = #state{parent=Parent, panel=Panel, appmon=Ol
try
Node = Old,
wxWindow:refresh(Panel),
- {noreply, State#state{active=true}}
+ {noreply, precalc(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()})}}
+ {noreply, restart_fetcher(Node, State)}
end;
handle_info(not_active, State = #state{appmon=_Pid}) ->
@@ -160,12 +179,21 @@ code_change(_, _, 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)}.
+restart_fetcher(Node, #state{panel=Panel, wins=Wins0, time=Ti} = State) ->
+ SysInfo = observer_wx:try_rpc(Node, observer_backend, sys_info, []),
+ Info = alloc_info(SysInfo),
+ {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}).
+
+precalc(#state{samples=Data0, paint=Paint, time=Ti, wins=Wins0}=State) ->
+ Wins = [precalc(Ti, Data0, Paint, Win) || Win <- Wins0],
+ State#state{wins=Wins}.
+
-update_alloc(#state{windows={_, _, {_, Grid}}}, Fields) ->
+update_alloc(#state{mem={_, Grid}}, Fields) ->
Max = wxListCtrl:getItemCount(Grid),
Update = fun({Name, BS, CS}, Row) ->
(Row >= Max) andalso wxListCtrl:insertItem(Grid, Row, ""),
@@ -174,7 +202,7 @@ update_alloc(#state{windows={_, _, {_, Grid}}}, Fields) ->
wxListCtrl:setItem(Grid, Row, 2, observer_lib:to_str(CS div 1024)),
Row + 1
end,
- lists:foldl(Update, 0, Fields),
+ wx:foldl(Update, 0, Fields),
Fields.
alloc_info(SysInfo) ->
@@ -247,11 +275,7 @@ create_mem_info(Parent) ->
create_menus(Parent, _) ->
- MenuEntries =
- [{"File",
- [
- ]}
- ],
- observer_wx:create_menus(Parent, MenuEntries).
+ View = {"View", [#create_menu{id = ?ID_REFRESH_INTERVAL, text = "Graph Settings"}]},
+ observer_wx:create_menus(Parent, [{"File", []}, View]).
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
diff --git a/lib/observer/src/observer_app_wx.erl b/lib/observer/src/observer_app_wx.erl
index a2b7c21993..40e117357c 100644
--- a/lib/observer/src/observer_app_wx.erl
+++ b/lib/observer/src/observer_app_wx.erl
@@ -29,7 +29,7 @@
-include("observer_defs.hrl").
%% Import drawing wrappers
--import(observer_perf_wx, [haveGC/0,
+-import(observer_perf_wx, [haveGC/0, make_gc/2, destroy_gc/1,
setPen/2, setFont/3, setBrush/2,
strokeLine/5, strokeLines/2, drawRoundedRectangle/6,
drawText/4, getTextExtent/2]).
@@ -244,28 +244,18 @@ handle_event(Event, _State) ->
%%%%%%%%%%
handle_sync_event(#wx{event = #wxPaint{}},_,
#state{app_w=DA, app=App, sel=Sel, paint=Paint, usegc=UseGC}) ->
- %% PaintDC must be created in a callback to work on windows.
- IsWindows = element(1, os:type()) =:= win32,
- %% Avoid Windows flickering hack
- DC = if IsWindows -> wx:typeCast(wxBufferedPaintDC:new(DA), wxPaintDC);
- true -> wxPaintDC:new(DA)
- end,
- IsWindows andalso wxDC:clear(DC),
- GC = case UseGC of
- true ->
- GC0 = ?wxGC:create(DC),
- %% Argh must handle scrolling when using ?wxGC
- {Sx,Sy} = wxScrolledWindow:calcScrolledPosition(DA, {0,0}),
- ?wxGC:translate(GC0, Sx,Sy),
- GC0;
- false ->
- wxScrolledWindow:doPrepareDC(DA,DC),
- DC
- end,
+ GC = {GC0, DC} = make_gc(DA, UseGC),
+ case UseGC of
+ false ->
+ wxScrolledWindow:doPrepareDC(DA,DC);
+ true ->
+ %% Argh must handle scrolling when using ?wxGC
+ {Sx,Sy} = wxScrolledWindow:calcScrolledPosition(DA, {0,0}),
+ ?wxGC:translate(GC0, Sx,Sy)
+ end,
%% Nothing is drawn until wxPaintDC is destroyed.
- draw({UseGC, GC}, App, Sel, Paint),
- UseGC andalso ?wxGC:destroy(GC),
- wxPaintDC:destroy(DC),
+ draw(GC, App, Sel, Paint),
+ destroy_gc(GC),
ok.
%%%%%%%%%%
handle_call(Event, From, _State) ->
@@ -312,15 +302,10 @@ handle_info({delivery, _Pid, app, _Curr, {[], [], [], []}},
handle_info({delivery, Pid, app, Curr, AppData},
State = #state{panel=Panel, appmon=Pid, current=Curr, usegc=UseGC,
app_w=AppWin, paint=#paint{font=Font}}) ->
- GC = if UseGC -> ?wxGC:create(AppWin);
- true -> wxWindowDC:new(AppWin)
- end,
- FontW = {UseGC, GC},
- setFont(FontW, Font, {0,0,0}),
- App = build_tree(AppData, FontW),
- if UseGC -> ?wxGC:destroy(GC);
- true -> wxWindowDC:destroy(GC)
- end,
+ GC = make_gc(AppWin, UseGC),
+ setFont(GC, Font, {0,0,0}),
+ App = build_tree(AppData, GC),
+ destroy_gc(GC),
setup_scrollbar(AppWin, App),
wxWindow:refresh(Panel),
wxWindow:layout(Panel),
diff --git a/lib/observer/src/observer_defs.hrl b/lib/observer/src/observer_defs.hrl
index 1c2fe520b7..c4ba84a8c4 100644
--- a/lib/observer/src/observer_defs.hrl
+++ b/lib/observer/src/observer_defs.hrl
@@ -49,3 +49,14 @@
-define(LCTRL_WDECR, 4). %% Remove some pixels in column width to avoid creating unnecessary scrollbar
-define(SASH_STYLE, ?wxSP_LIVE_UPDATE bor ?wxSP_NOBORDER bor ?wxSP_3DSASH).
+
+-define(DISP_FREQ, 10). %% per second
+-define(FETCH_DATA, 2). %% per second
+-define(DISP_SECONDS, 60).
+
+-record(ti, {tick=0, disp=?DISP_FREQ/?FETCH_DATA, fetch=?FETCH_DATA, secs=?DISP_SECONDS}).
+
+-record(win, {name, panel, size, geom,
+ graphs=[], no_samples=0,
+ max, state,
+ info=[]}).
diff --git a/lib/observer/src/observer_perf_wx.erl b/lib/observer/src/observer_perf_wx.erl
index ace0b62c1d..56da5a862a 100644
--- a/lib/observer/src/observer_perf_wx.erl
+++ b/lib/observer/src/observer_perf_wx.erl
@@ -25,8 +25,9 @@
handle_event/2, handle_sync_event/3, handle_cast/2]).
%% Drawing wrappers for DC and GC areas
--export([setup_graph_drawing/1, refresh_panel/6,
- haveGC/0,
+-export([make_win/4, setup_graph_drawing/1,
+ refresh_panel/4, precalc/4, add_data/5, interval_dialog/2,
+ haveGC/0, make_gc/2, destroy_gc/1,
setPen/2, setFont/3, setBrush/2,
strokeLine/5, strokeLines/2, drawRoundedRectangle/6,
drawText/4, getTextExtent/2]).
@@ -35,13 +36,18 @@
-include_lib("wx/include/wx.hrl").
-include("observer_defs.hrl").
+-define(ID_REFRESH_INTERVAL, 102).
+
+-define(BW, 5).
+-define(BH, 5).
+
-record(state,
{
- offset = 0.0,
+ time = #ti{},
active = false,
parent,
- windows,
- data = {0, queue:new()},
+ samples, %% Orig data store
+ wins=[], %% per window content
panel,
paint,
appmon
@@ -51,49 +57,49 @@
-record(paint, {font, small, pen, pen2, pens, usegc = false}).
--define(RQ_W, 1).
--define(MEM_W, 2).
--define(IO_W, 3).
-
start_link(Notebook, Parent) ->
wx_object:start_link(?MODULE, [Notebook, Parent], []).
init([Notebook, Parent]) ->
- try
- Panel = wxPanel:new(Notebook),
- Main = wxBoxSizer:new(?wxVERTICAL),
+ try
+ Panel = wxPanel:new(Notebook),
+ Main = wxBoxSizer:new(?wxVERTICAL),
+ MemIO = wxBoxSizer:new(?wxHORIZONTAL),
+
+ CPU = make_win(runq, Panel, Main, ?wxALL),
+ MEM = make_win(memory, Panel, MemIO, ?wxLEFT),
+ IO = make_win(io, Panel, MemIO, ?wxLEFT bor ?wxRIGHT),
+
+ wxSizer:add(Main, MemIO, [{flag, ?wxEXPAND bor ?wxDOWN},
+ {proportion, 1}, {border, 5}]),
+ wxWindow:setSizer(Panel, Main),
+ Windows = [CPU, MEM, IO],
+ PaintInfo = setup_graph_drawing(Windows),
+
+ process_flag(trap_exit, true),
+ State0 = #state{parent=Parent,
+ panel =Panel,
+ wins = Windows,
+ paint=PaintInfo,
+ samples=reset_data()
+ },
+ {Panel, State0}
+ catch _:Err ->
+ io:format("~p crashed ~p: ~p~n",[?MODULE, Err, erlang:get_stacktrace()]),
+ {stop, Err}
+ end.
+
+make_win(Name, Parent, Sizer, Border) ->
Style = ?wxFULL_REPAINT_ON_RESIZE bor ?wxCLIP_CHILDREN,
- CPU = wxPanel:new(Panel, [{winid, ?RQ_W}, {style,Style}]),
- wxSizer:add(Main, CPU, [{flag, ?wxEXPAND bor ?wxALL},
- {proportion, 1}, {border, 5}]),
- MemIO = wxBoxSizer:new(?wxHORIZONTAL),
- MEM = wxPanel:new(Panel, [{winid, ?MEM_W}, {style,Style}]),
- IO = wxPanel:new(Panel, [{winid, ?IO_W}, {style,Style}]),
- wxSizer:add(MemIO, MEM, [{flag, ?wxEXPAND bor ?wxLEFT},
- {proportion, 1}, {border, 5}]),
- wxSizer:add(MemIO, IO, [{flag, ?wxEXPAND bor ?wxLEFT bor ?wxRIGHT},
- {proportion, 1}, {border, 5}]),
- wxSizer:add(Main, MemIO, [{flag, ?wxEXPAND bor ?wxDOWN},
- {proportion, 1}, {border, 5}]),
- wxWindow:setSizer(Panel, Main),
-
- PaintInfo = setup_graph_drawing([CPU, MEM, IO]),
-
- process_flag(trap_exit, true),
- {Panel, #state{parent=Parent,
- panel =Panel,
- windows = {CPU, MEM, IO},
- paint=PaintInfo
- }}
- catch _:Err ->
- io:format("~p crashed ~p: ~p~n",[?MODULE, Err, erlang:get_stacktrace()]),
- {stop, Err}
- end.
+ Panel = wxPanel:new(Parent, [{style,Style}]),
+ Opts = [{flag, ?wxEXPAND bor Border}, {proportion, 1}, {border, 5}],
+ wxSizer:add(Sizer, Panel, Opts),
+ #win{name=Name, panel=Panel}.
setup_graph_drawing(Panels) ->
IsWindows = element(1, os:type()) =:= win32,
IgnoreCB = {callback, fun(_,_) -> ok end},
- Do = fun(Panel) ->
+ Do = fun(#win{panel=Panel}) ->
wxWindow:setBackgroundColour(Panel, ?wxWHITE),
wxPanel:connect(Panel, paint, [callback]),
IsWindows andalso
@@ -117,8 +123,8 @@ setup_graph_drawing(Panels) ->
SF = wxFont:new(DefSize-2, DefFamily, ?wxFONTSTYLE_NORMAL, ?wxFONTWEIGHT_NORMAL),
{F, SF}
end,
- BlackPen = wxPen:new({0,0,0}, [{width, 2}]),
- Pens = [wxPen:new(Col, [{width, 3}]) || Col <- tuple_to_list(colors())],
+ BlackPen = wxPen:new({0,0,0}, [{width, 1}]),
+ Pens = [wxPen:new(Col, [{width, 1}]) || Col <- tuple_to_list(colors())],
#paint{usegc = UseGC,
font = Font,
small = SmallFont,
@@ -129,7 +135,16 @@ setup_graph_drawing(Panels) ->
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
-
+handle_event(#wx{id=?ID_REFRESH_INTERVAL, event=#wxCommand{type=command_menu_selected}},
+ #state{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 -> %% Changed fetch interval, drop all data
+ {noreply, restart_fetcher(node(Old), State#state{time=Ti})}
+ end;
handle_event(#wx{event=#wxCommand{type=command_menu_selected}},
State = #state{}) ->
{noreply, State};
@@ -139,41 +154,21 @@ handle_event(Event, _State) ->
%%%%%%%%%%
handle_sync_event(#wx{obj=Panel, event = #wxPaint{}},_,
- #state{active=Active, offset=Offset, paint=Paint,
- windows=Windows, data=Data}) ->
+ #state{active=Active, time=Ti, paint=Paint, wins=Windows}) ->
%% Sigh workaround bug on MacOSX (Id in paint event is always 0)
%% Panel = element(Id, Windows),
- Id = if Panel =:= element(?RQ_W, Windows) -> runq;
- Panel =:= element(?MEM_W, Windows) -> memory;
- Panel =:= element(?IO_W, Windows) -> io
- end,
-
- refresh_panel(Panel, Id, Offset, Data, Active, Paint),
+ Win = lists:keyfind(Panel, #win.panel, Windows),
+ refresh_panel(Active, Win, Ti, Paint),
ok.
-refresh_panel(Panel, Id, Offset, Data, Active, #paint{usegc=UseGC} = Paint) ->
+refresh_panel(Active, #win{name=_Id, panel=Panel}=Win, Ti, #paint{usegc=UseGC}=Paint) ->
%% PaintDC must be created in a callback to work on windows.
- IsWindows = element(1, os:type()) =:= win32,
- DC = if IsWindows ->
- %% Ugly hack to aviod flickering on windows, works on windows only
- %% But the other platforms are doublebuffered by default
- wx:typeCast(wxBufferedPaintDC:new(Panel), wxPaintDC);
- true ->
- wxPaintDC:new(Panel)
- end,
- IsWindows andalso wxDC:clear(DC),
- GC = if UseGC -> ?wxGC:create(DC);
- true -> DC
- end,
%% Nothing is drawn until wxPaintDC is destroyed.
- try
- draw(Offset, Id, {UseGC, GC}, Panel, Paint, Data, Active)
- catch _:Err ->
- io:format("Internal error ~p ~p~n",[Err, erlang:get_stacktrace()])
+ GC = make_gc(Panel, UseGC),
+ if Active -> draw_win(GC, Win, Ti, Paint);
+ true -> ignore
end,
- UseGC andalso ?wxGC:destroy(GC),
- wxPaintDC:destroy(DC).
-
+ destroy_gc(GC).
%%%%%%%%%%
handle_call(Event, From, _State) ->
@@ -182,41 +177,42 @@ handle_call(Event, From, _State) ->
handle_cast(Event, _State) ->
error({unhandled_cast, Event}).
%%%%%%%%%%
-handle_info(Stats = {stats, 1, _, _, _},
- State = #state{panel=Panel, data=Data, active=Active}) ->
+handle_info({stats, 1, _, _, _} = Stats,
+ #state{panel=Panel, samples=Data, active=Active, wins=Wins0,
+ time=#ti{tick=Tick, disp=Disp0}=Ti} = State0) ->
if Active ->
+ Disp = trunc(Disp0),
+ Next = max(Tick - Disp, 0),
+ erlang:send_after(1000 div ?DISP_FREQ, self(), {refresh, Next}),
+ {Wins, Samples} = add_data(Stats, Data, Wins0, Ti, Active),
+ State = precalc(State0#state{time=Ti#ti{tick=Next}, wins=Wins, samples=Samples}),
wxWindow:refresh(Panel),
- Freq = 6,
- erlang:send_after(trunc(1000 / Freq), self(), {refresh, 1, Freq});
- true -> ignore
- end,
- {noreply, State#state{offset=0.0, data = add_data(Stats, Data)}};
-
-handle_info({refresh, Seq, Freq}, State = #state{panel=Panel, offset=Prev}) ->
- wxWindow:refresh(Panel),
- Next = Seq+1,
- if Seq > 1, Prev =:= 0.0 ->
- %% We didn't have time to handle the refresh
{noreply, State};
- Next < Freq ->
- erlang:send_after(trunc(1000 / Freq), self(), {refresh, Next, Freq}),
- {noreply, State#state{offset=Seq/Freq}};
true ->
- {noreply, State#state{offset=Seq/Freq}}
+ {Wins1, Samples} = add_data(Stats, Data, Wins0, Ti, Active),
+ Wins = [W#win{max=undefined} || W <- Wins1],
+ {noreply, State0#state{samples=Samples, wins=Wins, time=Ti#ti{tick=0}}}
end;
-handle_info({active, Node}, State = #state{parent=Parent, panel=Panel, appmon=Old}) ->
+handle_info({refresh, Seq}, #state{panel=Panel, time=#ti{tick=Seq, disp=DispF}=Ti} = State0)
+ when (Seq+1) < (DispF*1.5) ->
+ Next = Seq+1,
+ erlang:send_after(1000 div ?DISP_FREQ, self(), {refresh, Next}),
+ State = precalc(State0#state{time=Ti#ti{tick=Next}}),
+ catch wxWindow:refresh(Panel),
+ {noreply, State};
+handle_info({refresh, _}, State) ->
+ {noreply, State};
+
+handle_info({active, Node}, #state{parent=Parent, panel=Panel, appmon=Old, time=_Ti} = State) ->
create_menus(Parent, []),
try
Node = node(Old),
wxWindow:refresh(Panel),
+ erlang:send_after(1000 div ?DISP_FREQ, self(), {refresh, 0}),
{noreply, State#state{active=true}}
catch _:_ ->
- catch Old ! exit,
- Me = self(),
- Pid = spawn_link(Node, observer_backend, fetch_stats, [Me, 1000]),
- wxWindow:refresh(Panel),
- {noreply, State#state{active=true, appmon=Pid, data={0, queue:new()}}}
+ {noreply,restart_fetcher(Node, State)}
end;
handle_info(not_active, State = #state{appmon=_Pid}) ->
@@ -237,173 +233,337 @@ terminate(_Event, #state{appmon=Pid}) ->
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)}.
+restart_fetcher(Node, #state{appmon=Old, panel=Panel, time=#ti{fetch=Freq}=Ti}=State) ->
+ catch Old ! exit,
+ Me = self(),
+ Pid = spawn_link(Node, observer_backend, fetch_stats, [Me, round(1000/Freq)]),
+ wxWindow:refresh(Panel),
+ precalc(State#state{active=true, appmon=Pid, samples=reset_data(), time=Ti#ti{tick=0}}).
+
+reset_data() ->
+ {0, queue:new()}.
+
+add_data(Stats, {N, Q0}, Wins, #ti{fetch=Fetch, secs=Secs}, Active) when N > (Secs*Fetch+1) ->
+ {{value, Drop}, Q} = queue:out(Q0),
+ add_data_1(Wins, Stats, N, {Drop,Q}, Active);
+add_data(Stats, {N, Q}, Wins, _, Active) ->
+ add_data_1(Wins, Stats, N+1, {empty, Q}, Active).
+
+add_data_1([#win{state={_,St}}|_]=Wins0, Last, N, {Drop, Q}, Active)
+ when St /= undefined ->
+ {Wins, Stat} =
+ lists:mapfoldl(fun(Win0, Entry) ->
+ {Win1,Stat} = add_data_2(Win0, Last, Entry),
+ case Active of
+ true ->
+ Win = add_data_3(Win1, N, Drop, Stat, Q),
+ {Win, Stat};
+ false ->
+ {Win1, Stat}
+ end
+ end, #{}, Wins0),
+ {Wins, {N,queue:in(Stat#{}, Q)}};
+add_data_1(Wins, Stats, 1, {_, Q}, _) ->
+ {[Win#win{state=init_data(Id, Stats),
+ info = info(Id, Stats)}
+ || #win{name=Id}=Win <- Wins], {0,Q}}.
+
+add_data_2(#win{name=Id, state=S0}=Win, Stats, Map) ->
+ {V1, S1} = collect_data(Id, Stats, S0),
+ {Win#win{state=S1}, Map#{Id=>V1}}.
+
+add_data_3(#win{name=Id, max={{OldMax, OldEntry},_,_,_},
+ geom=#{scale:={WS,HS}}, state={Max,_},
+ graphs=Graphs}=Win,
+ N, Drop0, Last, Q1)
+ when N > 3 ->
+ Drop = case Drop0 of
+ #{Id:=D} -> D;
+ _ -> Drop0
+ end,
+ case {max_value(Max), Drop =:= OldEntry} of
+ {OldMax, false} ->
+ #{Id:=V4} = Last,
+ {{value, #{Id:=V3}},Q2} = queue:out_r(Q1),
+ {{value, #{Id:=V2}},Q3} = queue:out_r(Q2),
+ {{value, #{Id:=V1}},_} = queue:out_r(Q3),
+ Vals = [V1,V2,V3,V4],
+ Gs = tuple_size(V1),
+ Info = lists:zip(lists:seq(Gs, 1, -1), Graphs),
+ Lines = [add_lines(Vals, Drop, Prev, I, WS, HS) || {I, Prev} <- Info],
+ Win#win{graphs=Lines, no_samples=N};
+ _W -> %% Max changed Trigger complete recalc
+ Win#win{max=undefined}
+ end;
+add_data_3(Win, _, _, _,_) ->
+ %% Trigger complete recalc
+ Win#win{max=undefined}.
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
create_menus(Parent, _) ->
- MenuEntries =
- [{"File",
- [
- ]}
- ],
- observer_wx:create_menus(Parent, MenuEntries).
-
-%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
-collect_data(runq, {N, Q}) ->
- case queue:to_list(Q) of
- [] -> {0, 0, [], []};
- [_] -> {0, 0, [], []};
- [{stats, _Ver, Init0, _IO, _Mem}|Data0] ->
- Init = lists:sort(Init0),
- [_|Data=[First|_]] = lists:foldl(fun({stats, _, T0, _, _}, [Prev|Acc]) ->
- TN = lists:sort(T0),
- Delta = calc_delta(TN, Prev),
- [TN, list_to_tuple(Delta)|Acc]
- end, [Init], Data0),
- NoGraphs = tuple_size(First),
- {N, lmax(Data), lists:reverse([First|Data]), lists:seq(1, NoGraphs)}
- end;
-collect_data(memory, {N, Q}) ->
- MemT = mem_types(),
- Data = [list_to_tuple([Value || {Type,Value} <- MemInfo,
- lists:member(Type, MemT)])
- || {stats, _Ver, _RQ, _IO, MemInfo} <- queue:to_list(Q)],
- {N, lmax(Data), Data, MemT};
-collect_data(io, {N, Q}) ->
- case queue:to_list(Q) of
- [] -> {0, 0, [], []};
- [_] -> {0, 0, [], []};
- [{stats, _Ver, _RQ, {{_,In0}, {_,Out0}}, _Mem}|Data0] ->
- [_,_|Data=[First|_]] =
- lists:foldl(fun({stats, _, _, {{_,In}, {_,Out}}, _}, [PIn,Pout|Acc]) ->
- [In,Out,{In-PIn,Out-Pout}|Acc]
- end, [In0,Out0], Data0),
- {N, lmax(Data), lists:reverse([First|Data]), [input, output]}
- end;
-collect_data(alloc, {N, Q}) ->
- List = queue:to_list(Q),
- Data = [list_to_tuple([Carrier || {_Type,_Block,Carrier} <- MemInfo])
- || MemInfo <- List],
- Info = case List of %% Varies depending on erlang build config/platform
- [MInfo|_] -> [Type || {Type, _, _} <- MInfo];
- _ -> []
- end,
- {N, lmax(Data), Data, Info};
-
-collect_data(utilz, {N, Q}) ->
- List = queue:to_list(Q),
- Data = [list_to_tuple([round(100*Block/Carrier) || {_Type,Block,Carrier} <- MemInfo])
- || MemInfo <- List],
- Info = case List of %% Varies depending on erlang build config/platform
- [MInfo|_] -> [Type || {Type, _, _} <- MInfo];
- _ -> []
- end,
- {N, lmax(Data), Data, Info}.
+ View = {"View", [#create_menu{id = ?ID_REFRESH_INTERVAL, text = "Graph Settings"}]},
+ observer_wx:create_menus(Parent, [{"File", []}, View]).
+
+interval_dialog(Parent0, #ti{fetch=Fetch0, secs=Secs0}=Ti) ->
+ Parent = observer_lib:get_wx_parent(Parent0),
+ Dialog = wxDialog:new(Parent, ?wxID_ANY, "Load Chart Settings",
+ [{style, ?wxDEFAULT_DIALOG_STYLE bor
+ ?wxRESIZE_BORDER}]),
+ {Sl1,FetchSl} = slider(Dialog, "Sample (ms)", trunc(1000 / Fetch0), 100, 10000),
+ {Sl2, SecsSl} = slider(Dialog, "Length (min)", Secs0 div 60, 1, 10),
+ TopSizer = wxBoxSizer:new(?wxVERTICAL),
+ Flags = [{flag, ?wxEXPAND bor ?wxTOP bor ?wxLEFT bor ?wxRIGHT},
+ {border, 5}, {proportion, 1}],
+ wxSizer:add(TopSizer, Sl1, Flags),
+ wxSizer:add(TopSizer, Sl2, Flags),
+ wxSizer:add(TopSizer, wxDialog:createButtonSizer(Dialog, ?wxOK bor ?wxCANCEL), Flags),
+ wxWindow:setSizerAndFit(Dialog, TopSizer),
+ wxSizer:setSizeHints(TopSizer, Dialog),
+ Res = case wxDialog:showModal(Dialog) of
+ ?wxID_OK ->
+ Fetch = 1000 / wxSlider:getValue(FetchSl),
+ Secs = wxSlider:getValue(SecsSl) * 60,
+ Ti#ti{fetch=Fetch, secs=Secs, disp=?DISP_FREQ/Fetch};
+ ?wxID_CANCEL ->
+ Ti
+ end,
+ wxDialog:destroy(Dialog),
+ Res.
+
+slider(Parent, Str, Value, Min, Max) ->
+ Sz = wxBoxSizer:new(?wxHORIZONTAL),
+ Center = [{flag, ?wxALIGN_CENTER_VERTICAL}],
+ wxSizer:add(Sz, wxStaticText:new(Parent, ?wxID_ANY, Str), [{proportion, 1}|Center]),
+ Opt = [{style, ?wxSL_HORIZONTAL bor ?wxSL_LABELS}],
+ Slider = wxSlider:new(Parent, ?wxID_ANY, Value, Min, Max, Opt),
+ wxSizer:add(Sz, Slider, [{proportion, 2}|Center]),
+ case Min > 1 of
+ false ->
+ {Sz, Slider};
+ true ->
+ CB = fun(#wx{event=Ev},_) -> step(Ev, Slider, Min) end,
+ wxSlider:connect(Slider, scroll_thumbtrack, [{callback, CB}]),
+ wxSlider:connect(Slider, scroll_changed, [{callback, CB}]),
+ {Sz, Slider}
+ end.
+step(_Ev = #wxScroll{commandInt=Value}, Slider, Min) ->
+ Val = Min * round(Value / Min),
+ wxSlider:setValue(Slider, Val),
+ ok.
-mem_types() ->
- [total, processes, atom, binary, code, ets].
+%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
-lmax([]) -> 0;
-lmax(List) ->
- Max = [lists:max(tuple_to_list(T)) || T <- List,
- tuple_size(T) > 0],
- case Max of
- [] -> 0;
- _ -> lists:max(Max)
+mk_max() -> {0, undefined}.
+max_value({Max,_}) -> Max.
+%% max_data({_,Data}) -> Data. matched in function head
+
+lmax(MState, Tuple, Tuple) when is_tuple(Tuple) ->
+ lmax(MState, tuple_to_list(Tuple), Tuple);
+lmax(MState, Values, State) ->
+ Max = max_value(MState),
+ New = lists:max([Max|Values]),
+ case New >= Max of
+ false -> MState;
+ true -> {New, State}
end.
+init_data(runq, {stats, _, T0, _, _}) -> {mk_max(),lists:sort(T0)};
+init_data(io, {stats, _, _, {{_,In0}, {_,Out0}}, _}) -> {mk_max(), {In0,Out0}};
+init_data(memory, _) -> {mk_max(), info(memory, undefined)};
+init_data(alloc, _) -> {mk_max(), ok};
+init_data(utilz, _) -> {mk_max(), ok}.
+
+info(runq, {stats, _, T0, _, _}) -> lists:seq(1, length(T0));
+info(memory, _) -> [total, processes, atom, binary, code, ets];
+info(io, _) -> [input, output];
+info(alloc, First) -> [Type || {Type, _, _} <- First];
+info(utilz, First) -> [Type || {Type, _, _} <- First];
+info(_, []) -> [].
+
+collect_data(runq, {stats, _, T0, _, _}, {Max,S0}) ->
+ S1 = lists:sort(T0),
+ Delta = calc_delta(S1, S0),
+ Sample = list_to_tuple(Delta),
+ {Sample, {lmax(Max,Delta,Sample), S1}};
+collect_data(io, {stats, _, _, {{_,In0}, {_,Out0}}, _}, {Max,{PIn,POut}}) ->
+ In = In0-PIn,
+ Out = Out0-POut,
+ Sample = {In, Out},
+ {Sample, {lmax(Max, [In,Out], Sample), {In0, Out0}}};
+collect_data(memory, {stats, _, _, _, MemInfo}, {Max, MemTypes}) ->
+ Vs = [Value || {Type,Value} <- MemInfo, lists:member(Type, MemTypes)],
+ Sample = list_to_tuple(Vs),
+ {Sample, {lmax(Max, Vs, Sample),MemTypes}};
+collect_data(alloc, MemInfo, Max) ->
+ Vs = [Carrier || {_Type,_Block,Carrier} <- MemInfo],
+ Sample = list_to_tuple(Vs),
+ {Sample, lmax(Max, Vs, Sample)};
+collect_data(utilz, MemInfo, Max) ->
+ Vs = [round(100*Block/Carrier) || {_Type,Block,Carrier} <- MemInfo],
+ Sample = list_to_tuple(Vs),
+ {Sample, lmax(Max,Vs,Sample)}.
+
calc_delta([{Id, WN, TN}|Ss], [{Id, WP, TP}|Ps]) ->
[100*(WN-WP) div (TN-TP)|calc_delta(Ss, Ps)];
calc_delta([], []) -> [].
-%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
-draw(Offset, Id, DC, Panel, Paint=#paint{pens=Pens, small=Small}, Data, Active) ->
- %% This can be optimized a lot by collecting data once
- %% and draw to memory and then blit memory and only draw new entries in new memory
- %% area. Hmm now rewritten to use ?wxGC I don't now if it is feasable.
- {Len, Max0, Hs, Info} = collect_data(Id, Data),
- {Max,_,_} = MaxDisp = calc_max(Id, Max0),
+precalc(#state{samples=Data0, paint=Paint, time=Ti, wins=Wins0}=State) ->
+ Wins = [precalc(Ti, Data0, Paint, Win) || Win <- Wins0],
+ State#state{wins=Wins}.
+
+precalc(Ti, {NoSamples,Q}, Paint, #win{name=Id, panel=Panel}=Win) ->
Size = wxWindow:getClientSize(Panel),
- {X0,Y0,WS,HS, DrawBs} = draw_borders(Id, Info, DC, Size, MaxDisp, Paint),
- Last = 60*WS+X0-1,
- Start = max(61-Len, 0)*WS+X0 - Offset*WS,
- Samples = length(Hs),
- NoGraphs = try tuple_size(hd(Hs)) catch _:_ -> 0 end,
- case Active andalso Samples > 1 andalso NoGraphs > 0 of
- true ->
- Draw = fun(N) ->
- Lines = make_lines(Hs, Start, N, {X0,Max*HS,Last}, Y0, WS, HS),
- setPen(DC, element(1+ ((N-1) rem tuple_size(Pens)), Pens)),
- strokeLines(DC, Lines),
- N+1
- end,
- [Draw(I) || I <- lists:seq(NoGraphs, 1, -1)],
- DrawBs();
- false ->
- DrawBs(),
- Text = case Active andalso Samples =< 1 of
+ case Win of
+ #win{max=Max, no_samples=NoSamples, size=Size} when is_tuple(Max) ->
+ Win;
+ _SomeThingChanged ->
+ Hs = [Vals || #{Id:=Vals} <- queue:to_list(Q)],
+ Max = lists:foldl(fun(Vals,Max) -> lmax(Max, Vals, Vals) end,
+ mk_max(), Hs),
+ MaxDisp = calc_max(Id, Max),
+ #{scale:={WS,HS}} = Props = window_geom(Size, MaxDisp, Ti, Panel, Paint),
+ NoGraphs = try tuple_size(hd(Hs)) catch _:_ -> 0 end,
+ Graphs = [make_lines(Hs, I, WS, HS) || I <- lists:seq(NoGraphs, 1, -1)],
+ State = case Win#win.state of
+ undefined -> {Max, undefined};
+ {_, St} -> {Max, St}
+ end,
+ Win#win{geom=Props, size=Size,
+ max=MaxDisp,
+ graphs=Graphs,
+ no_samples=NoSamples,
+ state=State}
+ end.
+
+window_geom({W,H}, {_, Max, _Unit, MaxUnit},
+ #ti{secs=Secs, fetch=FetchFreq},
+ Panel, #paint{font=Font}) ->
+ Str1 = observer_lib:to_str(MaxUnit),
+ Str2 = observer_lib:to_str(MaxUnit div 2),
+ Str3 = observer_lib:to_str(0),
+ {TW,TH,_,_} = wxWindow:getTextExtent(Panel, Str1, [{theFont, Font}]),
+ {SpaceW, _,_,_} = wxWindow:getTextExtent(Panel, "W", [{theFont, Font}]),
+ X0 = ?BW+TW+?BW,
+ X1 = W-?BW*4,
+ MaxTextY = TH+?BH,
+ BottomTextY = H-?BH-TH,
+ Y0 = MaxTextY + (TH / 2),
+ Y1 = BottomTextY - TH - ?BH,
+
+ ScaleW = (X1-X0-1)/(Secs*FetchFreq),
+ ScaleH = (Y1-Y0-1) / Max,
+ #{p0=>{X0,Y0}, p1=>{X1,Y1}, scale=>{ScaleW, ScaleH},
+ txsz=>{TW,TH,SpaceW}, txt=>{BottomTextY, MaxTextY}, strs=>{Str1,Str2,Str3}}.
+
+
+%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+draw_win(DC, #win{no_samples=Samples, geom=#{scale:={WS,HS}}, graphs=Graphs, max={_,Max,_,_}}=Win,
+ #ti{tick=Tick, fetch=FetchFreq, secs=Secs, disp=DispFreq}=Ti,
+ Paint=#paint{pens=Pens}) when Samples >= 2, Graphs =/= [] ->
+ %% Draw graphs
+ {X0,Y0,DrawBs} = draw_borders(DC, Ti, Win, Paint),
+ Offset = Tick / DispFreq,
+ Full = case Samples > (1+Secs*FetchFreq) of
+ true -> 1;
+ false -> 2
+ end,
+ Start = X0 + (max(Secs*FetchFreq+Full-Samples, 0) - Offset)*WS,
+ Last = Secs*FetchFreq*WS+X0,
+ Draw = fun(Lines0, N) ->
+ setPen(DC, element(1+ ((N-1) rem tuple_size(Pens)), Pens)),
+ Order = lists:reverse(Lines0),
+ [{_,Y}|Lines] = translate(Order, {Start, Y0}, 0, WS, {X0,Max*HS,Last}, []),
+ strokeLines(DC, [{Last,Y}|Lines]),
+ N-1
+ end,
+ lists:foldl(Draw, length(Graphs), Graphs),
+ DrawBs(),
+ ok;
+
+draw_win(DC, #win{no_samples=Samples} = Win,Ti, #paint{small=Small}=Paint) ->
+ %% Draw Error Msg
+ try draw_borders(DC, Ti, Win, Paint) of
+ {X0,_Y0,DrawBs} ->
+ Text = case Samples =< 1 of
true -> "Waiting for data";
false -> "Information not available"
end,
setFont(DC, Small, {0,0,0}),
- drawText(DC, Text, X0 + 100, element(2,Size) div 2)
- end,
- ok.
+ {_,WW} = getSize(DC),
+ drawText(DC, Text, X0 + 100, WW div 2),
+ DrawBs(),
+ ok
+ catch _:_ -> %% Early redraws fail
+ ok
+ end.
-make_lines(Ds = [Data|_], PX, N, Clip, ZeroY, WS, HS) ->
+translate([{X0,Y}|Rest], {Sx,Sy}=Start, N, WS, {Cx,Cy,Cw}=Clip, Acc) ->
+ X = min((N-X0)*WS+Sx,Cw),
+ Next = if X0 > 0 -> N; true -> N+1 end,
+ case X =< Cx of
+ true ->
+ translate(Rest, Start, Next, WS, Clip, [{Cx,Sy-min(Cy,Y)}]);
+ false ->
+ translate(Rest, Start, Next, WS, Clip, [{X,Sy-min(Cy,Y)}|Acc])
+ end;
+translate([], _, _, _, _, Acc) ->
+ Acc.
+
+add_lines(Vals, Drop, OldLines, I, WS, HS) ->
+ Lines = strip(OldLines, Drop, 2),
+ New = make_lines(Vals, I, WS, HS),
+ New ++ Lines.
+
+strip([{X,_}|Rest], Drop, N) when X > 0.0001, N > 0 ->
+ strip(Rest, Drop, N);
+strip([_|Rest], Drop, N) when N > 0 ->
+ strip(Rest, Drop, N-1);
+strip(List, empty, _) -> List;
+strip(List, _, _) ->
+ lists:reverse(strip(lists:reverse(List), empty, 1)).
+
+make_lines(Ds = [Data|_], N, WS, HS) ->
Y = element(N,Data),
- make_lines(Ds, PX, N, Clip, ZeroY, WS, HS, Y, []).
+ make_lines(Ds, N, WS, HS, Y, []).
-make_lines([D1 | Ds = [D2|Rest]], PX, N, Clip={Cx,Cy, _}, ZeroY, WS, HS, Y0, Acc0) ->
+make_lines([D1 | Ds = [D2|Rest]], N, WS, HS, Y0, Acc0) ->
Y1 = element(N,D1),
Y2 = element(N,D2),
Y3 = case Rest of
[D3|_] -> element(N,D3);
[] -> Y2
end,
- This = {max(Cx, PX),ZeroY-min(Cy,Y1*HS)},
+ This = {0, Y1*HS},
Acc = if (abs(Y1-Y2) * HS) < 3.0 -> [This|Acc0];
WS < 3.0 -> [This|Acc0];
- PX < Cx ->
- make_splines(Y0,Y1,Y2,Y3,PX,Clip,ZeroY,WS,HS,Acc0);
- true ->
- make_splines(Y0,Y1,Y2,Y3,PX,Clip,ZeroY,WS,HS,[This|Acc0])
+ true -> make_splines(Y0,Y1,Y2,Y3,WS,HS,[This|Acc0])
end,
- make_lines(Ds, PX+WS, N, Clip, ZeroY, WS, HS, Y1, Acc);
-make_lines([D1], _PX, N, {_,Cy,Last}, ZeroY, _WS, HS, _Y0, Acc) ->
- Y1 = element(N,D1),
- [{Last,ZeroY-min(Cy, Y1*HS)}|Acc].
+ make_lines(Ds, N, WS, HS, Y1, Acc);
+make_lines([_D1], _N, _WS, _HS, _Y0, Acc) ->
+ Acc.
-make_splines(Y00,Y10,Y20,Y30,PX,Clip,ZeroY,WS,HS,Acc) ->
+make_splines(Y00,Y10,Y20,Y30,WS,HS,Acc) ->
Y1 = Y10*HS,
Y2 = Y20*HS,
- Steps = min(abs(Y1-Y2), WS),
+ Steps = min(abs(Y1-Y2), WS/2),
if Steps > 2 ->
Y0 = Y00*HS,
Y3 = Y30*HS,
Tan = spline_tan(Y0,Y1,Y2,Y3),
Delta = 1/Steps,
- splines(Steps-1, 0.0, Delta, Tan, Y1,Y2, PX, Clip,ZeroY, Delta*WS, Acc);
+ splines(Steps-1, 0.0, Delta, Tan, Y1,Y2, Acc);
true ->
Acc
end.
-splines(N, XD, XD0, Tan, Y1,Y2, PX0, Clip={Cx,Cy,_},ZeroY, WS, Acc) when N > 0 ->
- PX = PX0+WS,
+splines(N, XD, XD0, Tan, Y1,Y2, Acc) when N > 0 ->
Delta = XD+XD0,
- if PX < Cx ->
- splines(N-1, Delta, XD0, Tan, Y1, Y2, PX, Clip,ZeroY, WS, Acc);
- true ->
- Y = min(Cy, max(0,spline(Delta, Tan, Y1,Y2))),
- splines(N-1, Delta, XD0, Tan, Y1, Y2, PX, Clip,ZeroY, WS,
- [{PX, ZeroY-Y}|Acc])
- end;
-splines(_N, _XD, _XD0, _Tan, _Y1,_Y2, _PX, _Clip,_ZeroY, _WS, Acc) -> Acc.
+ Y = max(0, spline(Delta, Tan, Y1,Y2)),
+ splines(N-1, Delta, XD0, Tan, Y1, Y2, [{1.0-Delta, Y}|Acc]);
+splines(_N, _XD, _XD0, _Tan, _Y1,_Y2, Acc) ->
+ Acc.
spline(T, {M1, M2}, Y1, Y2) ->
%% Hermite Basis Funcs
@@ -423,34 +583,19 @@ spline_tan(Y0, Y1, Y2, Y3) ->
M2 = S*C*(Y3-Y1),
{M1,M2}.
--define(BW, 5).
--define(BH, 5).
-
-draw_borders(Type, Info, DC, {W,H}, {Max, Unit, MaxUnit},
+draw_borders(DC, #ti{secs=Secs, fetch=FetchFreq},
+ #win{name=Type, geom=Geom, info=Info, max={_,_,Unit,_}},
#paint{pen=Pen, pen2=Pen2, font=Font, small=Small}) ->
- Str1 = observer_lib:to_str(MaxUnit),
- Str2 = observer_lib:to_str(MaxUnit div 2),
- Str3 = observer_lib:to_str(0),
-
- setFont(DC, Font, {0,0,0}),
- {TW,TH} = getTextExtent(DC, Str1),
- {SpaceW, _} = getTextExtent(DC, "W"),
+ #{p0:={GraphX0, GraphY0}, p1:={GraphX1,GraphY1}, scale:={ScaleW0,_},
+ txsz:={TW,TH,SpaceW}, txt:={BottomTextY, MaxTextY}, strs:={Str1,Str2,Str3}} = Geom,
- GraphX0 = ?BW+TW+?BW,
- GraphX1 = W-?BW*4,
+ ScaleW = ScaleW0*FetchFreq,
TopTextX = ?BW*3+TW,
- MaxTextY = TH+?BH,
- BottomTextY = H-?BH-TH,
SecondsY = BottomTextY - TH,
- GraphY0 = MaxTextY + (TH / 2),
- GraphY1 = SecondsY - ?BH,
- GraphW = GraphX1-GraphX0-1,
- GraphH = GraphY1-GraphY0-1,
+
GraphY25 = GraphY0 + (GraphY1 - GraphY0) / 4,
GraphY50 = GraphY0 + (GraphY1 - GraphY0) / 2,
GraphY75 = GraphY0 + 3*(GraphY1 - GraphY0) / 4,
- ScaleW = GraphW / 60,
- ScaleH = GraphH / Max,
setFont(DC, Small, {0,0,0}),
Align = fun(Str, Y) ->
@@ -462,14 +607,21 @@ draw_borders(Type, Info, DC, {W,H}, {Max, Unit, MaxUnit},
Align(Str3, GraphY1 - (TH / 2) + 1),
setPen(DC, Pen),
- DrawSecs = fun(Secs, Pos) ->
- Str = [observer_lib:to_str(Secs)|" s"],
+ DrawSecs = fun(Sec, {Pos, Prev}) ->
+ Str = observer_lib:to_str(Sec) ++ "s",
X = GraphX0+Pos,
- drawText(DC, Str, X-SpaceW, SecondsY),
strokeLine(DC, X, GraphY0, X, GraphY1+5),
- Pos + 10*ScaleW
+ TxtX = X-SpaceW,
+ case TxtX > Prev of
+ true ->
+ drawText(DC, Str, TxtX, SecondsY),
+ TxtW = SpaceW*length(Str),
+ {Pos + 10*ScaleW, TxtX+TxtW};
+ false ->
+ {Pos + 10*ScaleW, Prev}
+ end
end,
- lists:foldl(DrawSecs, 0, lists:seq(60,0, -10)),
+ lists:foldl(DrawSecs, {0, 0}, lists:seq(Secs,0, -10)),
strokeLine(DC, GraphX0-3, GraphY25, GraphX1, GraphY25),
strokeLine(DC, GraphX0-3, GraphY50, GraphX1, GraphY50),
@@ -526,7 +678,7 @@ draw_borders(Type, Info, DC, {W,H}, {Max, Unit, MaxUnit},
{GraphX1, GraphY1+1}, {GraphX1, GraphY0-1},
{GraphX0, GraphY0-1}])
end,
- {GraphX0+1, GraphY1, ScaleW, ScaleH, DrawBorder}.
+ {GraphX0+1, GraphY1, DrawBorder}.
to_string(Atom) ->
Name = atom_to_list(Atom),
@@ -543,43 +695,44 @@ uppercase([C|Rest]) ->
calc_max(Type, Max) ->
bytes(Type, Max).
-calc_max1(Max) when Max < 10 ->
- 10;
-calc_max1(Max) ->
- case Max div 10 of
- X when X < 10 ->
- case Max rem 10 of
- 0 -> Max;
- _ ->
- (X+1)*10
- end;
- X ->
- 10*calc_max1(X)
- end.
-
-bytes(runq, Val) ->
- Upper = calc_max1(Val),
- {Upper, "", Upper};
-bytes(utilz, Val) ->
- Upper = calc_max1(Val),
- {Upper, "", Upper};
-bytes(_, B) ->
+bytes(runq, Max) ->
+ Upper = calc_max1(max_value(Max)),
+ {Max, Upper, "", Upper};
+bytes(utilz, Max) ->
+ Upper = calc_max1(max_value(Max)),
+ {Max, Upper, "", Upper};
+bytes(_, Max) ->
+ B = max_value(Max),
KB = B div 1024,
MB = KB div 1024,
GB = MB div 1024,
if
GB > 10 ->
Upper = calc_max1(GB),
- {Upper*1024*1024*1024, "(GB)", Upper};
+ {Max, Upper*1024*1024*1024, "(GB)", Upper};
MB > 10 ->
Upper = calc_max1(MB),
- {Upper*1024*1024, "(MB)", Upper};
+ {Max, Upper*1024*1024, "(MB)", Upper};
KB > 0 ->
Upper = calc_max1(KB),
- {Upper*1024, "(KB)", Upper};
+ {Max, Upper*1024, "(KB)", Upper};
true ->
Upper = calc_max1(B),
- {Upper, "(B)", Upper}
+ {Max, Upper, "(B)", Upper}
+ end.
+
+calc_max1(Max) when Max < 10 ->
+ 10;
+calc_max1(Max) ->
+ case Max div 10 of
+ X when X < 10 ->
+ case Max rem 10 of
+ 0 -> Max;
+ _ ->
+ (X+1)*10
+ end;
+ X ->
+ 10*calc_max1(X)
end.
colors() ->
@@ -592,6 +745,25 @@ colors() ->
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%% wxDC and ?wxGC wrappers
+make_gc(Panel,UseGC) ->
+ DC = case os:type() of
+ {win32, _} ->
+ %% Ugly hack to avoid flickering on windows, works on windows only
+ %% But the other platforms are doublebuffered by default
+ DC0 = wx:typeCast(wxBufferedPaintDC:new(Panel), wxPaintDC),
+ wxDC:clear(DC0),
+ DC0;
+ _ ->
+ wxPaintDC:new(Panel)
+ end,
+ if UseGC -> {?wxGC:create(DC), DC};
+ true -> {false, DC}
+ end.
+
+destroy_gc({GC, DC}) ->
+ (GC =/= false) andalso ?wxGC:destroy(GC),
+ wxPaintDC:destroy(DC).
+
haveGC() ->
try
wxGraphicsRenderer:getDefaultRenderer(),
@@ -599,44 +771,48 @@ haveGC() ->
catch _:_ -> false
end.
+getSize({_, DC}) ->
+ wxDC:getSize(DC).
+
setPen({false, DC}, Pen) ->
wxDC:setPen(DC, Pen);
-setPen({true, GC}, Pen) ->
+setPen({GC, _}, Pen) ->
?wxGC:setPen(GC, Pen).
setFont({false, DC}, Font, Color) ->
wxDC:setTextForeground(DC, Color),
wxDC:setFont(DC, Font);
-setFont({true, GC}, Font, Color) ->
+setFont({GC, _}, Font, Color) ->
?wxGC:setFont(GC, Font, Color).
setBrush({false, DC}, Brush) ->
wxDC:setBrush(DC, Brush);
-setBrush({true, GC}, Brush) ->
+setBrush({GC, _}, Brush) ->
?wxGC:setBrush(GC, Brush).
strokeLine({false, DC}, X0, Y0, X1, Y1) ->
wxDC:drawLine(DC, {round(X0), round(Y0)}, {round(X1), round(Y1)});
-strokeLine({true, GC}, X0, Y0, X1, Y1) ->
+strokeLine({GC, _}, X0, Y0, X1, Y1) ->
?wxGC:strokeLine(GC, X0, Y0, X1, Y1).
+strokeLines(_, [_]) -> ok;
strokeLines({false, DC}, Lines) ->
wxDC:drawLines(DC, [{round(X), round(Y)} || {X,Y} <- Lines]);
-strokeLines({true, GC}, Lines) ->
+strokeLines({GC, _}, Lines) ->
?wxGC:strokeLines(GC, Lines).
drawRoundedRectangle({false, DC}, X0, Y0, X1, Y1, R) ->
wxDC:drawRoundedRectangle(DC, {round(X0), round(Y0)}, {round(X1), round(Y1)}, round(R));
-drawRoundedRectangle({true, GC}, X0, Y0, X1, Y1, R) ->
+drawRoundedRectangle({GC, _}, X0, Y0, X1, Y1, R) ->
?wxGC:drawRoundedRectangle(GC, X0, Y0, X1, Y1, R).
drawText({false, DC}, Str, X, Y) ->
wxDC:drawText(DC, Str, {round(X),round(Y)});
-drawText({true, GC}, Str, X, Y) ->
+drawText({GC, _}, Str, X, Y) ->
?wxGC:drawText(GC, Str, X, Y).
getTextExtent({false, DC}, Str) ->
wxDC:getTextExtent(DC, Str);
-getTextExtent({true, GC}, Str) ->
+getTextExtent({GC, _}, Str) ->
{W,H,_,_} = ?wxGC:getTextExtent(GC, Str),
{W,H}.
generated by cgit v1.2.3 (git 2.25.1) at 2024-12-20 14:13:17 +0000