aboutsummaryrefslogtreecommitdiffstats
path: root/lib/runtime_tools/src/observer_backend.erl
diff options
context:
space:
mode:
authorDan Gudmundsson <[email protected]>2011-12-05 16:02:54 +0100
committerDan Gudmundsson <[email protected]>2011-12-05 16:02:54 +0100
commitb0121557d6a97c22f147db665788132c2b2096d1 (patch)
treeb85d682e3ca02b59201fa92154e12cf2fd1ab6cc /lib/runtime_tools/src/observer_backend.erl
parent6bbe0512b1686f06489893479ae1d14ef15d004a (diff)
downloadotp-b0121557d6a97c22f147db665788132c2b2096d1.tar.gz
otp-b0121557d6a97c22f147db665788132c2b2096d1.tar.bz2
otp-b0121557d6a97c22f147db665788132c2b2096d1.zip
[observer] Move rpc calls to runtime tools
Diffstat (limited to 'lib/runtime_tools/src/observer_backend.erl')
-rw-r--r--lib/runtime_tools/src/observer_backend.erl215
1 files changed, 214 insertions, 1 deletions
diff --git a/lib/runtime_tools/src/observer_backend.erl b/lib/runtime_tools/src/observer_backend.erl
index 9c1f9da5b1..2f8ffbcdb6 100644
--- a/lib/runtime_tools/src/observer_backend.erl
+++ b/lib/runtime_tools/src/observer_backend.erl
@@ -1,7 +1,7 @@
%%
%% %CopyrightBegin%
%%
-%% Copyright Ericsson AB 2002-2009. All Rights Reserved.
+%% Copyright Ericsson AB 2002-2011. All Rights Reserved.
%%
%% The contents of this file are subject to the Erlang Public License,
%% Version 1.1, (the "License"); you may not use this file except in
@@ -21,6 +21,9 @@
%% General
-export([vsn/0]).
+%% observer stuff
+-export([sys_info/0, get_table/3, get_table_list/2]).
+
%% etop stuff
-export([etop_collect/1]).
-include("observer_backend.hrl").
@@ -42,7 +45,158 @@ vsn() ->
Error -> Error
end.
+%%
+%% observer backend
+%%
+sys_info() ->
+ {{_,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))},
+ {run_queue, erlang:statistics(run_queue)},
+ {io_input, Input},
+ {io_output, Output},
+ {logical_processors, erlang:system_info(logical_processors)},
+ {logical_processors_available, erlang:system_info(logical_processors_available)},
+ {logical_processors_online, erlang:system_info(logical_processors_online)},
+
+ {otp_release, erlang:system_info(otp_release)},
+ {version, erlang:system_info(version)},
+ {system_architecture, erlang:system_info(system_architecture)},
+ {kernel_poll, erlang:system_info(kernel_poll)},
+ {smp_support, erlang:system_info(smp_support)},
+ {threads, erlang:system_info(threads)},
+ {thread_pool_size, erlang:system_info(thread_pool_size)},
+ {wordsize_internal, erlang:system_info({wordsize, internal})},
+ {wordsize_external, erlang:system_info({wordsize, external})} |
+ erlang:memory()
+ ].
+
+get_table(Parent, Table, Module) ->
+ spawn(fun() ->
+ link(Parent),
+ get_table2(Parent, Table, Module)
+ end).
+
+get_table2(Parent, Table, Type) ->
+ Size = case Type of
+ ets -> ets:info(Table, size);
+ mnesia -> mnesia:table_info(Table, size)
+ end,
+ case Size > 0 of
+ false ->
+ Parent ! {self(), '$end_of_table'},
+ normal;
+ true when Type =:= ets ->
+ Mem = ets:info(Table, memory),
+ Average = Mem div Size,
+ NoElements = max(10, 20000 div Average),
+ get_ets_loop(Parent, ets:match(Table, '$1', NoElements));
+ true ->
+ Mem = mnesia:table_info(Table, memory),
+ Average = Mem div Size,
+ NoElements = max(10, 20000 div Average),
+ Ms = [{'$1', [], ['$1']}],
+ Get = fun() ->
+ get_mnesia_loop(Parent, mnesia:select(Table, Ms, NoElements, read))
+ end,
+ %% Not a transaction, we don't want to grab locks when inspecting the table
+ mnesia:async_dirty(Get)
+ end.
+get_ets_loop(Parent, '$end_of_table') ->
+ Parent ! {self(), '$end_of_table'};
+get_ets_loop(Parent, {Match, Cont}) ->
+ Parent ! {self(), Match},
+ get_ets_loop(Parent, ets:match(Cont)).
+
+get_mnesia_loop(Parent, '$end_of_table') ->
+ Parent ! {self(), '$end_of_table'};
+get_mnesia_loop(Parent, {Match, Cont}) ->
+ Parent ! {self(), Match},
+ get_mnesia_loop(Parent, mnesia:select(Cont)).
+
+get_table_list(ets, Opts) ->
+ HideUnread = proplists:get_value(unread_hidden, Opts, true),
+ HideSys = proplists:get_value(sys_hidden, Opts, true),
+ Info = fun(Id, Acc) ->
+ try
+ TabId = case ets:info(Id, named_table) of
+ true -> ignore;
+ false -> Id
+ end,
+ Name = ets:info(Id, name),
+ Protection = ets:info(Id, protection),
+ ignore(HideUnread andalso Protection == private, unreadable),
+ Owner = ets:info(Id, owner),
+ RegName = case catch process_info(Owner, registered_name) of
+ [] -> ignore;
+ {registered_name, ProcName} -> ProcName
+ end,
+ ignore(HideSys andalso ordsets:is_element(RegName, sys_processes()), system_tab),
+ ignore(HideSys andalso ordsets:is_element(Name, sys_tables()), system_tab),
+ ignore((RegName == mnesia_monitor)
+ andalso Name /= schema
+ andalso is_atom((catch mnesia:table_info(Name, where_to_read))), mnesia_tab),
+ Memory = ets:info(Id, memory) * erlang:system_info(wordsize),
+ Tab = [{name,Name},
+ {id,TabId},
+ {protection,Protection},
+ {owner,Owner},
+ {size,ets:info(Id, size)},
+ {reg_name,RegName},
+ {type,ets:info(Id, type)},
+ {keypos,ets:info(Id, keypos)},
+ {heir,ets:info(Id, heir)},
+ {memory,Memory},
+ {compressed,ets:info(Id, compressed)},
+ {fixed,ets:info(Id, fixed)}
+ ],
+ [Tab|Acc]
+ catch _:_What ->
+ %% io:format("Skipped ~p: ~p ~n",[Id, _What]),
+ Acc
+ end
+ end,
+ lists:foldl(Info, [], ets:all());
+
+get_table_list(mnesia, Opts) ->
+ HideSys = proplists:get_value(sys_hidden, Opts, true),
+ Owner = ets:info(schema, owner),
+ Owner /= undefined orelse
+ throw({error, "Mnesia is not running on: " ++ atom_to_list(node())}),
+ {registered_name, RegName} = process_info(Owner, registered_name),
+ Info = fun(Id, Acc) ->
+ try
+ Name = Id,
+ ignore(HideSys andalso ordsets:is_element(Name, mnesia_tables()), system_tab),
+ ignore(Name =:= schema, mnesia_tab),
+ Storage = mnesia:table_info(Id, storage_type),
+ Tab0 = [{name,Name},
+ {owner,Owner},
+ {size,mnesia:table_info(Id, size)},
+ {reg_name,RegName},
+ {type,mnesia:table_info(Id, type)},
+ {keypos,2},
+ {memory,mnesia:table_info(Id, memory) * erlang:system_info(wordsize)},
+ {storage,Storage},
+ {index,mnesia:table_info(Id, index)}
+ ],
+ Tab = if Storage == disc_only_copies ->
+ [{fixed, dets:info(Id, safe_fixed)}|Tab0];
+ (Storage == ram_copies) orelse
+ (Storage == disc_copies) ->
+ [{fixed, ets:info(Id, fixed)},
+ {compressed, ets:info(Id, compressed)}|Tab0];
+ true -> Tab0
+ end,
+ [Tab|Acc]
+ catch _:_What ->
+ %% io:format("Skipped ~p: ~p ~p ~n",[Id, _What, erlang:get_stacktrace()]),
+ Acc
+ end
+ end,
+ lists:foldl(Info, [], mnesia:system_info(tables)).
%%
%% etop backend
@@ -395,3 +549,62 @@ match_filenames(Dir,MetaFile,[H|T],Files) ->
end;
match_filenames(_Dir,_MetaFile,[],Files) ->
Files.
+
+
+%%%%%%%%%%%%%%%%%
+
+sys_tables() ->
+ [ac_tab, asn1,
+ cdv_dump_index_table, cdv_menu_table, cdv_decode_heap_table,
+ cell_id, cell_pos, clist,
+ cover_internal_data_table, cover_collected_remote_data_table, cover_binary_code_table,
+ code, code_names, cookies,
+ corba_policy, corba_policy_associations,
+ dets, dets_owners, dets_registry,
+ disk_log_names, disk_log_pids,
+ eprof, erl_atom_cache, erl_epmd_nodes,
+ etop_accum_tab, etop_tr,
+ ets_coverage_data,
+ file_io_servers,
+ gs_mapping, gs_names, gstk_db,
+ gstk_grid_cellid, gstk_grid_cellpos, gstk_grid_id,
+ httpd,
+ id,
+ ign_req_index, ign_requests,
+ index,
+ inet_cache, inet_db, inet_hosts,
+ 'InitialReferences',
+ int_db,
+ interpreter_includedirs_macros,
+ ir_WstringDef,
+ lmcounter, locks,
+ % mnesia_decision,
+ mnesia_gvar, mnesia_stats,
+ % mnesia_transient_decision,
+ pg2_table,
+ queue,
+ schema,
+ shell_records,
+ snmp_agent_table, snmp_local_db2, snmp_mib_data, snmp_note_store, snmp_symbolic_ets,
+ tkFun, tkLink, tkPriv,
+ ttb, ttb_history_table,
+ udp_fds, udp_pids
+ ].
+
+sys_processes() ->
+ [auth, code_server, global_name_server, inet_db,
+ mnesia_recover, net_kernel, timer_server, wxe_master].
+
+mnesia_tables() ->
+ [ir_AliasDef, ir_ArrayDef, ir_AttributeDef, ir_ConstantDef,
+ ir_Contained, ir_Container, ir_EnumDef, ir_ExceptionDef,
+ ir_IDLType, ir_IRObject, ir_InterfaceDef, ir_ModuleDef,
+ ir_ORB, ir_OperationDef, ir_PrimitiveDef, ir_Repository,
+ ir_SequenceDef, ir_StringDef, ir_StructDef, ir_TypedefDef,
+ ir_UnionDef, logTable, logTransferTable, mesh_meas,
+ mesh_type, mnesia_clist, orber_CosNaming,
+ orber_objkeys, user
+ ].
+
+ignore(true, Reason) -> throw(Reason);
+ignore(_,_ ) -> ok.