From ebc81123499da2e0fa03f8eb989dfeb785a04bd3 Mon Sep 17 00:00:00 2001 From: Siri Hansen Date: Wed, 10 Jan 2018 17:49:35 +0100 Subject: [observer] Improve performance for many links or monitors When a process has many links and/or monitors, it could earlier take very long time to display the process information window. This is now improved by only showing a few links and monitors, and then an link named "more..." to expand the rest. Reading of the "Link list" from a crashdump is also improved. --- lib/observer/src/cdv_detail_wx.erl | 11 ++- lib/observer/src/cdv_info_wx.erl | 4 + lib/observer/src/crashdump_viewer.erl | 134 ++++++++++++++------------------- lib/observer/src/observer_lib.erl | 67 +++++++++++++---- lib/observer/src/observer_port_wx.erl | 4 + lib/observer/src/observer_procinfo.erl | 4 + lib/observer/test/crashdump_helper.erl | 1 + 7 files changed, 133 insertions(+), 92 deletions(-) (limited to 'lib') diff --git a/lib/observer/src/cdv_detail_wx.erl b/lib/observer/src/cdv_detail_wx.erl index f6d282638a..6c4739042b 100644 --- a/lib/observer/src/cdv_detail_wx.erl +++ b/lib/observer/src/cdv_detail_wx.erl @@ -48,6 +48,7 @@ init([Id, Data, ParentFrame, Callback, App, Parent]) -> display_progress(ParentFrame,App), case Callback:get_details(Id, Data) of {ok,Details} -> + display_progress_pulse(Callback,Id), init(Id,ParentFrame,Callback,App,Parent,Details); {yes_no, Info, Fun} -> destroy_progress(App), @@ -69,8 +70,16 @@ display_progress(ParentFrame,cdv) -> "Reading data"); display_progress(_,_) -> ok. + +%% Display pulse while creating process detail page with much data +display_progress_pulse(cdv_proc_cb,Pid) -> + observer_lib:report_progress({ok,"Displaying data for "++Pid}), + observer_lib:report_progress({ok,start_pulse}); +display_progress_pulse(_,_) -> + ok. + destroy_progress(cdv) -> - observer_lib:destroy_progress_dialog(); + observer_lib:sync_destroy_progress_dialog(); destroy_progress(_) -> ok. diff --git a/lib/observer/src/cdv_info_wx.erl b/lib/observer/src/cdv_info_wx.erl index 7e416dd11a..07c28610e2 100644 --- a/lib/observer/src/cdv_info_wx.erl +++ b/lib/observer/src/cdv_info_wx.erl @@ -95,6 +95,10 @@ handle_cast(Msg, State) -> io:format("~p~p: Unhandled cast ~tp~n",[?MODULE, ?LINE, Msg]), {noreply, State}. +handle_event(#wx{obj=MoreEntry,event=#wxMouse{type=left_down},userData={more,More}}, State) -> + observer_lib:add_scroll_entries(MoreEntry,More), + {noreply, State}; + handle_event(#wx{event=#wxMouse{type=left_down},userData=Target}, State) -> cdv_virtual_list_wx:start_detail_win(Target), {noreply, State}; diff --git a/lib/observer/src/crashdump_viewer.erl b/lib/observer/src/crashdump_viewer.erl index c100e8d057..861b592439 100644 --- a/lib/observer/src/crashdump_viewer.erl +++ b/lib/observer/src/crashdump_viewer.erl @@ -1240,7 +1240,7 @@ all_procinfo(Fd,Fun,Proc,WS,LineHead) -> "Last calls" -> get_procinfo(Fd,Fun,Proc#proc{last_calls=get_last_calls(Fd)},WS); "Link list" -> - {Links,Monitors,MonitoredBy} = parse_link_list(bytes(Fd),[],[],[]), + {Links,Monitors,MonitoredBy} = get_link_list(Fd), get_procinfo(Fd,Fun,Proc#proc{links=Links, monitors=Monitors, mon_by=MonitoredBy},WS); @@ -1322,86 +1322,64 @@ get_last_calls(Fd,<<>>,Acc,Lines) -> lists:reverse(Lines,[byte_list_to_string(lists:reverse(Acc))]) end. -parse_link_list([SB|Str],Links,Monitors,MonitoredBy) when SB==$[; SB==$] -> - parse_link_list(Str,Links,Monitors,MonitoredBy); -parse_link_list("#Port"++_=Str,Links,Monitors,MonitoredBy) -> - {Link,Rest} = parse_port(Str), - parse_link_list(Rest,[Link|Links],Monitors,MonitoredBy); -parse_link_list("<"++_=Str,Links,Monitors,MonitoredBy) -> - {Link,Rest} = parse_pid(Str), - parse_link_list(Rest,[Link|Links],Monitors,MonitoredBy); -parse_link_list("{to,"++Str,Links,Monitors,MonitoredBy) -> - {Mon,Rest} = parse_monitor(Str), - parse_link_list(Rest,Links,[Mon|Monitors],MonitoredBy); -parse_link_list("{from,"++Str,Links,Monitors,MonitoredBy) -> - {Mon,Rest} = parse_monitor(Str), - parse_link_list(Rest,Links,Monitors,[Mon|MonitoredBy]); -parse_link_list(", "++Rest,Links,Monitors,MonitoredBy) -> - parse_link_list(Rest,Links,Monitors,MonitoredBy); -parse_link_list([],Links,Monitors,MonitoredBy) -> - {lists:reverse(Links),lists:reverse(Monitors),lists:reverse(MonitoredBy)}; -parse_link_list(Unexpected,Links,Monitors,MonitoredBy) -> - io:format("WARNING: found unexpected data in link list:~n~ts~n",[Unexpected]), - parse_link_list([],Links,Monitors,MonitoredBy). - - -parse_port(Str) -> - {Port,Rest} = parse_link(Str,[]), - {{Port,Port},Rest}. - -parse_pid(Str) -> - {Pid,Rest} = parse_link(Str,[]), - {{Pid,Pid},Rest}. - -parse_monitor("{"++Str) -> - %% Named process - {Name,Node,Rest1} = parse_name_node(Str,[]), - Pid = get_pid_from_name(Name,Node), - case parse_link(string:strip(Rest1,left,$,),[]) of - {Ref,"}"++Rest2} -> - %% Bug in break.c - prints an extra "}" for remote - %% nodes... thus the strip - {{Pid,"{"++Name++","++Node++"} ("++Ref++")"}, - string:strip(Rest2,left,$})}; - {Ref,[]} -> - {{Pid,"{"++Name++","++Node++"} ("++Ref++")"},[]} - end; -parse_monitor(Str) -> - case parse_link(Str,[]) of - {Pid,","++Rest1} -> - case parse_link(Rest1,[]) of - {Ref,"}"++Rest2} -> - {{Pid,Pid++" ("++Ref++")"},Rest2}; - {Ref,[]} -> - {{Pid,Pid++" ("++Ref++")"},[]} - end; - {Pid,[]} -> - {{Pid,Pid++" (unknown_ref)"},[]} +get_link_list(Fd) -> + case get_chunk(Fd) of + {ok,<<"[",Bin/binary>>} -> + #{links:=Links, + mons:=Monitors, + mon_by:=MonitoredBy} = + get_link_list(Fd,Bin,#{links=>[],mons=>[],mon_by=>[]}), + {lists:reverse(Links), + lists:reverse(Monitors), + lists:reverse(MonitoredBy)}; + eof -> + {[],[],[]} end. -parse_link(">"++Rest,Acc) -> - {lists:reverse(Acc,">"),Rest}; -parse_link([H|T],Acc) -> - parse_link(T,[H|Acc]); -parse_link([],Acc) -> - %% truncated - {lists:reverse(Acc),[]}. +get_link_list(Fd,<>=Bin,Acc) when NL=:=$\r; NL=:=$\n-> + skip(Fd,Bin), + Acc; +get_link_list(Fd,Bin,Acc) -> + case binary:split(Bin,[<<", ">>,<<"]">>]) of + [Link,Rest] -> + get_link_list(Fd,Rest,get_link(Link,Acc)); + [Incomplete] -> + case get_chunk(Fd) of + {ok,More} -> + get_link_list(Fd,<>,Acc); + eof -> + Acc + end + end. -parse_name_node(","++Rest,Name) -> - parse_name_node(Rest,Name,[]); -parse_name_node([H|T],Name) -> - parse_name_node(T,[H|Name]); -parse_name_node([],Name) -> - %% truncated - {lists:reverse(Name),[],[]}. - -parse_name_node("}"++Rest,Name,Node) -> - {lists:reverse(Name),lists:reverse(Node),Rest}; -parse_name_node([H|T],Name,Node) -> - parse_name_node(T,Name,[H|Node]); -parse_name_node([],Name,Node) -> - %% truncated - {lists:reverse(Name),lists:reverse(Node),[]}. +get_link(<<"#Port",_/binary>>=PortBin,#{links:=Links}=Acc) -> + PortStr = binary_to_list(PortBin), + Acc#{links=>[{PortStr,PortStr}|Links]}; +get_link(<<"<",_/binary>>=PidBin,#{links:=Links}=Acc) -> + PidStr = binary_to_list(PidBin), + Acc#{links=>[{PidStr,PidStr}|Links]}; +get_link(<<"{to,",Bin/binary>>,#{mons:=Monitors}=Acc) -> + Acc#{mons=>[parse_monitor(Bin)|Monitors]}; +get_link(<<"{from,",Bin/binary>>,#{mon_by:=MonitoredBy}=Acc) -> + Acc#{mon_by=>[parse_monitor(Bin)|MonitoredBy]}; +get_link(Unexpected,Acc) -> + io:format("WARNING: found unexpected data in link list:~n~ts~n",[Unexpected]), + Acc. + +parse_monitor(MonBin) -> + case binary:split(MonBin,[<<",">>,<<"{">>,<<"}">>],[global]) of + [PidBin,RefBin,<<>>] -> + PidStr = binary_to_list(PidBin), + RefStr = binary_to_list(RefBin), + {PidStr,PidStr++" ("++RefStr++")"}; + [<<>>,NameBin,NodeBin,<<>>,RefBin,<<>>] -> + %% Named process + NameStr = binary_to_list(NameBin), + NodeStr = binary_to_list(NodeBin), + PidStr = get_pid_from_name(NameStr,NodeStr), + RefStr = binary_to_list(RefBin), + {PidStr,"{"++NameStr++","++NodeStr++"} ("++RefStr++")"} + end. get_pid_from_name(Name,Node) -> case ets:lookup(cdv_reg_proc_table,cdv_dump_node_name) of diff --git a/lib/observer/src/observer_lib.erl b/lib/observer/src/observer_lib.erl index 94d199e688..0470e785d9 100644 --- a/lib/observer/src/observer_lib.erl +++ b/lib/observer/src/observer_lib.erl @@ -21,7 +21,8 @@ -export([get_wx_parent/1, display_info_dialog/2, display_yes_no_dialog/1, - display_progress_dialog/3, destroy_progress_dialog/0, + display_progress_dialog/3, + destroy_progress_dialog/0, sync_destroy_progress_dialog/0, wait_for_progress/0, report_progress/1, user_term/3, user_term_multiline/3, interval_dialog/4, start_timer/1, start_timer/2, stop_timer/1, timer_config/1, @@ -31,7 +32,8 @@ set_listctrl_col_size/2, create_status_bar/1, html_window/1, html_window/2, - make_obsbin/2 + make_obsbin/2, + add_scroll_entries/2 ]). -include_lib("wx/include/wx.hrl"). @@ -40,6 +42,8 @@ -define(SINGLE_LINE_STYLE, ?wxBORDER_NONE bor ?wxTE_READONLY bor ?wxTE_RICH2). -define(MULTI_LINE_STYLE, ?SINGLE_LINE_STYLE bor ?wxTE_MULTILINE). +-define(NUM_SCROLL_ITEMS,8). + -define(pulse_timeout,50). get_wx_parent(Window) -> @@ -397,17 +401,18 @@ get_box_info({Title, left, List}) -> {Title, ?wxALIGN_LEFT, List}; get_box_info({Title, right, List}) -> {Title, ?wxALIGN_RIGHT, List}. add_box(Panel, OuterBox, Cursor, Title, Proportion, {Format, List}) -> - Box = wxStaticBoxSizer:new(?wxVERTICAL, Panel, [{label, Title}]), + NumStr = " ("++integer_to_list(length(List))++")", + Box = wxStaticBoxSizer:new(?wxVERTICAL, Panel, [{label, Title ++ NumStr}]), Scroll = wxScrolledWindow:new(Panel), wxScrolledWindow:enableScrolling(Scroll,true,true), wxScrolledWindow:setScrollbars(Scroll,1,1,0,0), ScrollSizer = wxBoxSizer:new(?wxVERTICAL), wxScrolledWindow:setSizer(Scroll, ScrollSizer), wxWindow:setBackgroundStyle(Scroll, ?wxBG_STYLE_SYSTEM), - add_entries(Format, List, Scroll, ScrollSizer, Cursor), + Entries = add_entries(Format, List, Scroll, ScrollSizer, Cursor), wxSizer:add(Box,Scroll,[{proportion,1},{flag,?wxEXPAND}]), wxSizer:add(OuterBox,Box,[{proportion,Proportion},{flag,?wxEXPAND}]), - {Scroll,ScrollSizer,length(List)}. + {Scroll,ScrollSizer,length(Entries)}. add_entries(click, List, Scroll, ScrollSizer, Cursor) -> Add = fun(Link) -> @@ -415,7 +420,20 @@ add_entries(click, List, Scroll, ScrollSizer, Cursor) -> wxWindow:setBackgroundStyle(TC, ?wxBG_STYLE_SYSTEM), wxSizer:add(ScrollSizer,TC, [{flag,?wxEXPAND}]) end, - [Add(Link) || Link <- List]; + if length(List) > ?NUM_SCROLL_ITEMS -> + {List1,Rest} = lists:split(?NUM_SCROLL_ITEMS,List), + LinkEntries = [Add(Link) || Link <- List1], + NStr = integer_to_list(length(Rest)), + TC = link_entry2(Scroll, + {{more,{Rest,Scroll,ScrollSizer}},"more..."}, + Cursor, + "Click to see " ++ NStr ++ " more entries"), + wxWindow:setBackgroundStyle(TC, ?wxBG_STYLE_SYSTEM), + E = wxSizer:add(ScrollSizer,TC, [{flag,?wxEXPAND}]), + LinkEntries ++ [E]; + true -> + [Add(Link) || Link <- List] + end; add_entries(plain, List, Scroll, ScrollSizer, _) -> Add = fun(String) -> TC = wxStaticText:new(Scroll, ?wxID_ANY, String), @@ -423,6 +441,23 @@ add_entries(plain, List, Scroll, ScrollSizer, _) -> end, [Add(String) || String <- List]. +add_scroll_entries(MoreEntry,{List, Scroll, ScrollSizer}) -> + wx:batch( + fun() -> + wxSizer:remove(ScrollSizer,?NUM_SCROLL_ITEMS), + wxStaticText:destroy(MoreEntry), + Cursor = wxCursor:new(?wxCURSOR_HAND), + Add = fun(Link) -> + TC = link_entry(Scroll, Link, Cursor), + wxWindow:setBackgroundStyle(TC, ?wxBG_STYLE_SYSTEM), + wxSizer:add(ScrollSizer,TC, [{flag,?wxEXPAND}]) + end, + Entries = [Add(Link) || Link <- List], + wxCursor:destroy(Cursor), + wxSizer:layout(ScrollSizer), + wxSizer:setVirtualSizeHints(ScrollSizer,Scroll), + Entries + end). create_box(_Panel, {scroll_boxes,[]}) -> undefined; @@ -449,7 +484,7 @@ create_box(Panel, {scroll_boxes,Data}) -> {_,H} = wxWindow:getSize(Dummy), wxTextCtrl:destroy(Dummy), - MaxH = if MaxL > 8 -> 8*H; + MaxH = if MaxL > ?NUM_SCROLL_ITEMS -> ?NUM_SCROLL_ITEMS*H; true -> MaxL*H end, [wxWindow:setMinSize(B,{0,MaxH}) || {B,_,_} <- Boxes], @@ -504,20 +539,22 @@ create_box(Parent, Data) -> link_entry(Panel, Link) -> Cursor = wxCursor:new(?wxCURSOR_HAND), - TC = link_entry2(Panel, to_link(Link), Cursor), + TC = link_entry(Panel, Link, Cursor), wxCursor:destroy(Cursor), TC. link_entry(Panel, Link, Cursor) -> - link_entry2(Panel, to_link(Link), Cursor). + link_entry2(Panel,to_link(Link),Cursor). link_entry2(Panel,{Target,Str},Cursor) -> + link_entry2(Panel,{Target,Str},Cursor,"Click to see properties for " ++ Str). +link_entry2(Panel,{Target,Str},Cursor,ToolTipText) -> TC = wxStaticText:new(Panel, ?wxID_ANY, Str), wxWindow:setForegroundColour(TC,?wxBLUE), wxWindow:setCursor(TC, Cursor), wxWindow:connect(TC, left_down, [{userData,Target}]), wxWindow:connect(TC, enter_window), wxWindow:connect(TC, leave_window), - ToolTip = wxToolTip:new("Click to see properties for " ++ Str), + ToolTip = wxToolTip:new(ToolTipText), wxWindow:setToolTip(TC, ToolTip), TC. @@ -708,6 +745,11 @@ wait_for_progress() -> destroy_progress_dialog() -> report_progress(finish). +sync_destroy_progress_dialog() -> + Ref = erlang:monitor(process,?progress_handler), + destroy_progress_dialog(), + receive {'DOWN',Ref,process,_,_} -> ok end. + report_progress(Progress) -> case whereis(?progress_handler) of Pid when is_pid(Pid) -> @@ -787,9 +829,8 @@ progress_dialog_new(Parent,Title,Str) -> [{style,?wxDEFAULT_DIALOG_STYLE}]), Panel = wxPanel:new(Dialog), Sizer = wxBoxSizer:new(?wxVERTICAL), - Message = wxStaticText:new(Panel, 1, Str), - Gauge = wxGauge:new(Panel, 2, 100, [{size, {170, -1}}, - {style, ?wxGA_HORIZONTAL}]), + Message = wxStaticText:new(Panel, 1, Str,[{size,{220,-1}}]), + Gauge = wxGauge:new(Panel, 2, 100, [{style, ?wxGA_HORIZONTAL}]), SizerFlags = ?wxEXPAND bor ?wxLEFT bor ?wxRIGHT bor ?wxTOP, wxSizer:add(Sizer, Message, [{flag,SizerFlags},{border,15}]), wxSizer:add(Sizer, Gauge, [{flag, SizerFlags bor ?wxBOTTOM},{border,15}]), diff --git a/lib/observer/src/observer_port_wx.erl b/lib/observer/src/observer_port_wx.erl index 5908e99e36..f7ae07fb85 100644 --- a/lib/observer/src/observer_port_wx.erl +++ b/lib/observer/src/observer_port_wx.erl @@ -242,6 +242,10 @@ handle_event(#wx{id=?ID_REFRESH_INTERVAL}, Timer = observer_lib:interval_dialog(Grid, Timer0, 10, 5*60), {noreply, State#state{timer=Timer}}; +handle_event(#wx{obj=MoreEntry,event=#wxMouse{type=left_down},userData={more,More}}, State) -> + observer_lib:add_scroll_entries(MoreEntry,More), + {noreply, State}; + handle_event(#wx{event=#wxMouse{type=left_down}, userData=TargetPid}, State) -> observer ! {open_link, TargetPid}, {noreply, State}; diff --git a/lib/observer/src/observer_procinfo.erl b/lib/observer/src/observer_procinfo.erl index fb02ae2728..854f338a89 100644 --- a/lib/observer/src/observer_procinfo.erl +++ b/lib/observer/src/observer_procinfo.erl @@ -120,6 +120,10 @@ handle_event(#wx{id=?REFRESH}, #state{frame=Frame, pid=Pid, pages=Pages, expand_ end, {noreply, State}; +handle_event(#wx{obj=MoreEntry,event=#wxMouse{type=left_down},userData={more,More}}, State) -> + observer_lib:add_scroll_entries(MoreEntry,More), + {noreply, State}; + handle_event(#wx{event=#wxMouse{type=left_down}, userData=TargetPid}, State) -> observer ! {open_link, TargetPid}, {noreply, State}; diff --git a/lib/observer/test/crashdump_helper.erl b/lib/observer/test/crashdump_helper.erl index bb1755f530..b5e94a893a 100644 --- a/lib/observer/test/crashdump_helper.erl +++ b/lib/observer/test/crashdump_helper.erl @@ -83,6 +83,7 @@ n1_proc(Creator,_N2,Pid2,Port2,_L) -> link(OtherPid), % own node link(Pid2), % external node erlang:monitor(process,OtherPid), + erlang:monitor(process,init), % named process erlang:monitor(process,Pid2), code:load_file(?MODULE), -- cgit v1.2.3