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File 2221-observer-Draw-dotted-lines-for-dirty-cpu-threads.patch of Package erlang
From 8d2c36e9d7d8b21e3bb63b4d61aee8ca458011a2 Mon Sep 17 00:00:00 2001 From: Dan Gudmundsson <dgud@erlang.org> Date: Fri, 10 Feb 2017 16:14:30 +0100 Subject: [PATCH 1/2] observer: Draw dotted lines for dirty cpu threads In OTP-20 dirty_schedulers are default on. Draw them dotted so we can difference between real schedulers and dirty schedulers. --- lib/observer/src/observer_perf_wx.erl | 98 +++++++++++++++++++++++------------ 1 file changed, 64 insertions(+), 34 deletions(-) diff --git a/lib/observer/src/observer_perf_wx.erl b/lib/observer/src/observer_perf_wx.erl index b0ead42e3..0cbcdbceb 100644 --- a/lib/observer/src/observer_perf_wx.erl +++ b/lib/observer/src/observer_perf_wx.erl @@ -55,7 +55,7 @@ -define(wxGC, wxGraphicsContext). --record(paint, {font, small, pen, pen2, pens, usegc = false}). +-record(paint, {font, small, pen, pen2, pens, dot_pens, usegc = false}). start_link(Notebook, Parent) -> wx_object:start_link(?MODULE, [Notebook, Parent], []). @@ -124,13 +124,17 @@ setup_graph_drawing(Panels) -> {F, SF} end, BlackPen = wxPen:new({0,0,0}, [{width, 1}]), - Pens = [wxPen:new(Col, [{width, 1}]) || Col <- tuple_to_list(colors())], + Pens = [wxPen:new(Col, [{width, 1}, {style, ?wxSOLID}]) + || Col <- tuple_to_list(colors())], + DotPens = [wxPen:new(Col, [{width, 1}, {style, ?wxDOT}]) + || Col <- tuple_to_list(colors())], #paint{usegc = UseGC, font = Font, small = SmallFont, pen = ?wxGREY_PEN, pen2 = BlackPen, - pens = list_to_tuple(Pens) + pens = list_to_tuple(Pens), + dot_pens = list_to_tuple(DotPens) }. @@ -181,17 +185,17 @@ handle_cast(Event, _State) -> %%%%%%%%%% handle_info({stats, 1, _, _, _} = Stats, #state{panel=Panel, samples=Data, active=Active, wins=Wins0, - time=#ti{tick=Tick, disp=Disp0}=Ti} = State0) -> + appmon=Node, 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), + {Wins, Samples} = add_data(Stats, Data, Wins0, Ti, Active, Node), State = precalc(State0#state{time=Ti#ti{tick=Next}, wins=Wins, samples=Samples}), wxWindow:refresh(Panel), {noreply, State}; true -> - {Wins1, Samples} = add_data(Stats, Data, Wins0, Ti, Active), + {Wins1, Samples} = add_data(Stats, Data, Wins0, Ti, Active, Node), Wins = [W#win{max=undefined} || W <- Wins1], {noreply, State0#state{samples=Samples, wins=Wins, time=Ti#ti{tick=0}}} end; @@ -247,13 +251,17 @@ restart_fetcher(Node, #state{appmon=Old, panel=Panel, time=#ti{fetch=Freq}=Ti, w reset_data() -> {0, queue:new()}. -add_data(Stats, {N, Q0}, Wins, #ti{fetch=Fetch, secs=Secs}, Active) when N > (Secs*Fetch+1) -> +add_data(Stats, Q, Wins, Ti, Active) -> + add_data(Stats, Q, Wins, Ti, Active, ignore). + +add_data(Stats, {N, Q0}, Wins, #ti{fetch=Fetch, secs=Secs}, Active, Node) + 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(Wins, Stats, N, {Drop,Q}, Active, Node); +add_data(Stats, {N, Q}, Wins, _, Active, Node) -> + add_data_1(Wins, Stats, N+1, {empty, Q}, Active, Node). -add_data_1([#win{state={_,St}}|_]=Wins0, Last, N, {Drop, Q}, Active) +add_data_1([#win{state={_,St}}|_]=Wins0, Last, N, {Drop, Q}, Active, Node) when St /= undefined -> try {Wins, Stat} = @@ -269,14 +277,12 @@ add_data_1([#win{state={_,St}}|_]=Wins0, Last, N, {Drop, Q}, Active) end, #{}, Wins0), {Wins, {N,queue:in(Stat#{}, Q)}} catch no_scheduler_change -> - {[Win#win{state=init_data(Id, Last), - info = info(Id, Last)} + {[Win#win{state=init_data(Id, Last), info=info(Id, Last, Node)} || #win{name=Id}=Win <- Wins0], {0,queue:new()}} end; -add_data_1(Wins, Stats, 1, {_, Q}, _) -> - {[Win#win{state=init_data(Id, Stats), - info = info(Id, Stats)} +add_data_1(Wins, Stats, 1, {_, Q}, _, Node) -> + {[Win#win{state=init_data(Id, Stats), info=info(Id, Stats, Node)} || #win{name=Id}=Win <- Wins], {0,Q}}. add_data_2(#win{name=Id, state=S0}=Win, Stats, Map) -> @@ -382,16 +388,24 @@ lmax(MState, Values, State) -> 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(memory, _) -> {mk_max(), info(memory, undefined, undefined)}; init_data(alloc, _) -> {mk_max(), unused}; init_data(utilz, _) -> {mk_max(), unused}. -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(_, []) -> []. +info(runq, {stats, _, T0, _, _}, Node) -> + Dirty = get_dirty_cpu(Node), + {lists:seq(1, length(T0)-Dirty), Dirty}; +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(_, [], _) -> []. + +get_dirty_cpu(Node) -> + case rpc:call(node(Node), erlang, system_info, [dirty_cpu_schedulers]) of + {badrpc,_R} -> 0; + N -> N + end. collect_data(runq, {stats, _, T0, _, _}, {Max,S0}) -> S1 = lists:sort(T0), @@ -471,9 +485,10 @@ window_geom({W,H}, {_, Max, _Unit, MaxUnit}, %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% -draw_win(DC, #win{no_samples=Samples, geom=#{scale:={WS,HS}}, graphs=Graphs, max={_,Max,_,_}}=Win, +draw_win(DC, #win{name=Name, no_samples=Samples, geom=#{scale:={WS,HS}}, + graphs=Graphs, max={_,Max,_,_}, info=Info}=Win, #ti{tick=Tick, fetch=FetchFreq, secs=Secs, disp=DispFreq}=Ti, - Paint=#paint{pens=Pens}) when Samples >= 2, Graphs =/= [] -> + Paint=#paint{pens=Pens, dot_pens=Dots}) when Samples >= 2, Graphs =/= [] -> %% Draw graphs {X0,Y0,DrawBs} = draw_borders(DC, Ti, Win, Paint), Offset = Tick / DispFreq, @@ -483,14 +498,23 @@ draw_win(DC, #win{no_samples=Samples, geom=#{scale:={WS,HS}}, graphs=Graphs, max end, Start = X0 + (max(Secs*FetchFreq+Full-Samples, 0) - Offset)*WS, Last = Secs*FetchFreq*WS+X0, + Dirty = case {Name, Info} of + {runq, {_, DCpu}} -> DCpu; + _ -> 0 + end, + NoGraphs = length(Graphs), + NoCpu = NoGraphs - Dirty, Draw = fun(Lines0, N) -> - setPen(DC, element(1+ ((N-1) rem tuple_size(Pens)), Pens)), + case Dirty > 0 andalso N > NoCpu of + true -> setPen(DC, element(1+ ((N-NoCpu-1) rem tuple_size(Dots)), Dots)); + false -> setPen(DC, element(1+ ((N-1) rem tuple_size(Pens)), Pens)) + end, 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), + lists:foldl(Draw, NoGraphs, Graphs), DrawBs(), ok; @@ -655,11 +679,17 @@ draw_borders(DC, #ti{secs=Secs, fetch=FetchFreq}, case Type of runq -> + {TextInfo, DirtyCpus} = Info, drawText(DC, "Scheduler Utilization (%) ", TopTextX, ?BH), TN0 = Text(TopTextX, BottomTextY, "Scheduler: ", 0), - lists:foldl(fun(Id, Pos0) -> - Text(Pos0, BottomTextY, integer_to_list(Id), Id) - end, TN0, Info); + Id = fun(Id, Pos0) -> + Text(Pos0, BottomTextY, integer_to_list(Id), Id) + end, + TN1 = lists:foldl(Id, TN0, TextInfo), + TN2 = Text(TN1, BottomTextY, "Dirty cpu: ", 0), + TN3 = lists:foldl(Id, TN2, lists:seq(1, DirtyCpus)), + _ = Text(TN3, BottomTextY, "(dotted)", 0), + ok; memory -> drawText(DC, "Memory Usage " ++ Unit, TopTextX,?BH), lists:foldl(fun(MType, {PenId, Pos0}) -> @@ -748,10 +778,10 @@ calc_max1(Max) -> end. colors() -> - {{240, 100, 100}, {100, 240, 100}, {100, 100, 240}, - {220, 220, 80}, {100, 240, 240}, {240, 100, 240}, - {100, 25, 25}, {25, 100, 25}, {25, 25, 100}, - {120, 120, 0}, {25, 100, 100}, {100, 50, 100} + {{240, 100, 100}, {0, 128, 0}, {25, 45, 170}, {255, 165, 0}, + {220, 220, 40}, {100, 240, 240},{240, 100, 240}, {160, 40, 40}, + {100, 100, 240}, {140, 140, 0}, {25, 200, 100}, {120, 25, 240}, + {255, 140, 163}, {25, 120, 120}, {120, 25, 120}, {110, 90, 60} }. %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% -- 2.12.0
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