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erlang
2495-Add-System-statistics-limit-panel.patch
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File 2495-Add-System-statistics-limit-panel.patch of Package erlang
From c08a7d382812ec8873a78b3e8eee2cffabf8e982 Mon Sep 17 00:00:00 2001 From: Gabriele Santomaggio <gabriele.santomaggio@erlang-solutions.com> Date: Fri, 7 Jul 2017 11:56:59 +0200 Subject: [PATCH] Add System statistics / limit panel Show the statistics, limits and percentage for atoms, processes,ports and ETS. Backward compatibility with old versions, In case the valuse is missing it shows the string Not available. --- lib/observer/src/observer_lib.erl | 2 ++ lib/observer/src/observer_sys_wx.erl | 55 ++++++++++++++++++++++++++---- lib/runtime_tools/src/observer_backend.erl | 16 ++++++--- 3 files changed, 62 insertions(+), 11 deletions(-) diff --git a/lib/observer/src/observer_lib.erl b/lib/observer/src/observer_lib.erl index c7ee29471..8b6036f52 100644 --- a/lib/observer/src/observer_lib.erl +++ b/lib/observer/src/observer_lib.erl @@ -297,6 +297,8 @@ to_str(No) when is_integer(No) -> integer_to_list(No); to_str(Float) when is_float(Float) -> io_lib:format("~.3f", [Float]); +to_str({trunc, Float}) when is_float(Float) -> + float_to_list(Float, [{decimals,0}]); to_str(Term) -> io_lib:format("~w", [Term]). diff --git a/lib/observer/src/observer_sys_wx.erl b/lib/observer/src/observer_sys_wx.erl index db86c05be..2e1af3ada 100644 --- a/lib/observer/src/observer_sys_wx.erl +++ b/lib/observer/src/observer_sys_wx.erl @@ -48,7 +48,7 @@ start_link(Notebook, Parent, Config) -> init([Notebook, Parent, Config]) -> SysInfo = observer_backend:sys_info(), - {Sys, Mem, Cpu, Stats} = info_fields(), + {Sys, Mem, Cpu, Stats, Limits} = info_fields(), Panel = wxPanel:new(Notebook), Sizer = wxBoxSizer:new(?wxVERTICAL), HSizer0 = wxBoxSizer:new(?wxHORIZONTAL), @@ -63,17 +63,26 @@ init([Notebook, Parent, Config]) -> wxSizer:add(HSizer1, FPanel2, [{flag, ?wxEXPAND}, {proportion, 1}]), wxSizer:add(HSizer1, FPanel3, [{flag, ?wxEXPAND}, {proportion, 1}]), + HSizer2 = wxBoxSizer:new(?wxHORIZONTAL), + {FPanel4, _FSizer4, Fields4} = observer_lib:display_info(Panel, observer_lib:fill_info(Limits, SysInfo)), + wxSizer:add(HSizer2, FPanel4, [{flag, ?wxEXPAND}, {proportion, 1}]), + + BorderFlags = ?wxLEFT bor ?wxRIGHT, wxSizer:add(Sizer, HSizer0, [{flag, ?wxEXPAND bor BorderFlags bor ?wxTOP}, {proportion, 0}, {border, 5}]), wxSizer:add(Sizer, HSizer1, [{flag, ?wxEXPAND bor BorderFlags bor ?wxBOTTOM}, {proportion, 0}, {border, 5}]), + wxSizer:add(Sizer, HSizer2, [{flag, ?wxEXPAND bor BorderFlags bor ?wxBOTTOM}, + {proportion, 0}, {border, 5}]), + wxPanel:setSizer(Panel, Sizer), Timer = observer_lib:start_timer(Config, 10), {Panel, #sys_wx_state{parent=Parent, parent_notebook=Notebook, panel=Panel, sizer=Sizer, - timer=Timer, fields=Fields0 ++ Fields1++Fields2++Fields3}}. + timer=Timer, fields=Fields0 ++ Fields1++Fields2++Fields3++Fields4}}. + create_sys_menu(Parent) -> View = {"View", [#create_menu{id = ?ID_REFRESH, text = "Refresh\tCtrl-R"}, @@ -83,14 +92,40 @@ create_sys_menu(Parent) -> update_syspage(#sys_wx_state{node = undefined}) -> ignore; update_syspage(#sys_wx_state{node = Node, fields=Fields, sizer=Sizer}) -> SysInfo = observer_wx:try_rpc(Node, observer_backend, sys_info, []), - {Sys, Mem, Cpu, Stats} = info_fields(), + {Sys, Mem, Cpu, Stats, Limits} = info_fields(), observer_lib:update_info(Fields, observer_lib:fill_info(Sys, SysInfo) ++ observer_lib:fill_info(Mem, SysInfo) ++ observer_lib:fill_info(Cpu, SysInfo) ++ - observer_lib:fill_info(Stats, SysInfo)), + observer_lib:fill_info(Stats, SysInfo)++ + observer_lib:fill_info(Limits, SysInfo)), + wxSizer:layout(Sizer). + +maybe_convert(undefined) -> "Not available"; +maybe_convert(V) -> observer_lib:to_str(V). + +get_dist_buf_busy_limit_info() -> + fun(Data) -> + maybe_convert(proplists:get_value(dist_buf_busy_limit, Data)) + end. + +get_limit_count_info(Count, Limit) -> + fun(Data) -> + C = proplists:get_value(Count, Data), + L = proplists:get_value(Limit, Data), + lists:flatten( + io_lib:format("~s / ~s ~s", + [maybe_convert(C), maybe_convert(L), + if + C =:= undefined -> ""; + L =:= undefined -> ""; + true -> io_lib:format("(~s % used)",[observer_lib:to_str({trunc, (C / L) *100})]) + end])) + end. + + info_fields() -> Sys = [{"System and Architecture", [{"System Version", otp_release}, @@ -122,14 +157,20 @@ info_fields() -> ]}], Stats = [{"Statistics", right, [{"Up time", {time_ms, uptime}}, - {"Max Processes", process_limit}, - {"Processes", process_count}, {"Run Queue", run_queue}, {"IO Input", {bytes, io_input}}, {"IO Output", {bytes, io_output}} ]} ], - {Sys, Mem, Cpu, Stats}. + Limits = [{"System statistics / limit", + [{"Atoms", get_limit_count_info(atom_count, atom_limit)}, + {"Processes", get_limit_count_info(process_count, process_limit)}, + {"Ports", get_limit_count_info(port_count, port_limit)}, + {"ETS", get_limit_count_info(ets_count, ets_limit)}, + {"Distribution buffer busy limit", get_dist_buf_busy_limit_info()} + ]}], + {Sys, Mem, Cpu, Stats, Limits}. + %%%%%%%%%%%%%%%%%%%%%%% Callbacks %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% diff --git a/lib/runtime_tools/src/observer_backend.erl b/lib/runtime_tools/src/observer_backend.erl index d36af257c..7f0c1ac6e 100644 --- a/lib/runtime_tools/src/observer_backend.erl +++ b/lib/runtime_tools/src/observer_backend.erl @@ -63,9 +63,7 @@ sys_info() -> end, {{_,Input},{_,Output}} = erlang:statistics(io), - [{process_count, erlang:system_info(process_count)}, - {process_limit, erlang:system_info(process_limit)}, - {uptime, element(1, erlang:statistics(wall_clock))}, + [{uptime, element(1, erlang:statistics(wall_clock))}, {run_queue, erlang:statistics(run_queue)}, {io_input, Input}, {io_output, Output}, @@ -86,7 +84,17 @@ sys_info() -> {thread_pool_size, erlang:system_info(thread_pool_size)}, {wordsize_internal, erlang:system_info({wordsize, internal})}, {wordsize_external, erlang:system_info({wordsize, external})}, - {alloc_info, alloc_info()} + {alloc_info, alloc_info()}, + {process_count, erlang:system_info(process_count)}, + {atom_limit, erlang:system_info(atom_limit)}, + {atom_count, erlang:system_info(atom_count)}, + {process_limit, erlang:system_info(process_limit)}, + {process_count, erlang:system_info(process_count)}, + {port_limit, erlang:system_info(port_limit)}, + {port_count, erlang:system_info(port_count)}, + {ets_limit, erlang:system_info(ets_limit)}, + {ets_count, length(ets:all())}, + {dist_buf_busy_limit, erlang:system_info(dist_buf_busy_limit)} | MemInfo]. alloc_info() -> -- 2.14.1
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