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-rw-r--r--lib/runtime_tools/src/Makefile1
-rw-r--r--lib/runtime_tools/src/runtime_tools.app.src2
-rw-r--r--lib/runtime_tools/src/system_information.erl458
3 files changed, 460 insertions, 1 deletions
diff --git a/lib/runtime_tools/src/Makefile b/lib/runtime_tools/src/Makefile
index 2347986c53..8d2bcfe3d1 100644
--- a/lib/runtime_tools/src/Makefile
+++ b/lib/runtime_tools/src/Makefile
@@ -42,6 +42,7 @@ MODULES= \
dbg \
dyntrace \
percept_profile \
+ system_information \
observer_backend \
ttb_autostart
HRL_FILES= ../include/observer_backend.hrl
diff --git a/lib/runtime_tools/src/runtime_tools.app.src b/lib/runtime_tools/src/runtime_tools.app.src
index 602048dc21..d46cfe1f32 100644
--- a/lib/runtime_tools/src/runtime_tools.app.src
+++ b/lib/runtime_tools/src/runtime_tools.app.src
@@ -21,7 +21,7 @@
{vsn, "%VSN%"},
{modules, [appmon_info, dbg,observer_backend,percept_profile,
runtime_tools,runtime_tools_sup,erts_alloc_config,
- ttb_autostart,dyntrace]},
+ ttb_autostart,dyntrace,system_information]},
{registered, [runtime_tools_sup]},
{applications, [kernel, stdlib]},
{env, []},
diff --git a/lib/runtime_tools/src/system_information.erl b/lib/runtime_tools/src/system_information.erl
new file mode 100644
index 0000000000..5b7afda8f6
--- /dev/null
+++ b/lib/runtime_tools/src/system_information.erl
@@ -0,0 +1,458 @@
+%% %CopyrightBegin%
+%%
+%% Copyright Ericsson AB 2013. 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
+%% compliance with the License. You should have received a copy of the
+%% Erlang Public License along with this software. If not, it can be
+%% retrieved online at http://www.erlang.org/.
+%%
+%% Software distributed under the License is distributed on an "AS IS"
+%% basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See
+%% the License for the specific language governing rights and limitations
+%% under the License.
+%%
+%% %CopyrightEnd%
+%%
+
+
+%% The main purpose of system_information is to aggregate all information
+%% deemed useful for investigation, i.e. system_information:report/0.
+
+%% The server and all other utilities surrounding this is for inspecting
+%% reported values. Functions will be added to this as time goes by.
+
+-module(system_information).
+-behaviour(gen_server).
+
+%% API
+-export([
+ report/0,
+ from_file/1,
+ to_file/1,
+ code/0,
+ get_value/2
+ ]).
+-export([
+ start/0, stop/0,
+ load_report/0, load_report/2,
+ applications/0, applications/1,
+ application/1, application/2,
+ environment/0, environment/1,
+ module/1, module/2
+ ]).
+
+%% gen_server callbacks
+-export([
+ init/1,
+ handle_call/3,
+ handle_cast/2,
+ handle_info/2,
+ terminate/2,
+ code_change/3
+ ]).
+
+-define(SERVER, ?MODULE).
+
+%% change version if parsing of file changes
+-define(REPORT_FILE_VSN, "1.0").
+
+-record(state, {
+ report
+ }).
+
+%%===================================================================
+%% API
+%%===================================================================
+
+start() ->
+ gen_server:start({local, ?SERVER}, ?MODULE, [], []).
+
+stop() ->
+ gen_server:call(?SERVER, stop).
+
+load_report() -> load_report(data, report()).
+
+load_report(file, File) -> load_report(data, from_file(File));
+load_report(data, Report) ->
+ start(), gen_server:call(?SERVER, {load_report, Report}).
+
+report() -> [
+ {init_arguments, init:get_arguments()},
+ {code_paths, code:get_path()},
+ {code, code()},
+ {system_info, erlang_system_info()},
+ {erts_compile_info, erlang:system_info(compile_info)},
+ {environment_erts, os_getenv_erts_specific()},
+ {environment, [split_env(Env) || Env <- os:getenv()]}
+ ].
+
+to_file(File) ->
+ file:write_file(File, iolist_to_binary([
+ io_lib:format("{system_information_version, ~p}.~n", [
+ ?REPORT_FILE_VSN
+ ]),
+ io_lib:format("{system_information, ~p}.~n", [
+ report()
+ ])
+ ])).
+
+from_file(File) ->
+ case file:consult(File) of
+ {ok, Data} ->
+ case get_value([system_information_version], Data) of
+ ?REPORT_FILE_VSN ->
+ get_value([system_information], Data);
+ Vsn ->
+ erlang:error({unknown_version, Vsn})
+ end;
+ _ ->
+ erlang:error(bad_report_file)
+ end.
+
+applications() -> applications([]).
+applications(Opts) when is_list(Opts) ->
+ gen_server:call(?SERVER, {applications, Opts}).
+
+application(App) when is_atom(App) -> application(App, []).
+application(App, Opts) when is_atom(App), is_list(Opts) ->
+ gen_server:call(?SERVER, {application, App, Opts}).
+
+environment() -> environment([]).
+environment(Opts) when is_list(Opts) ->
+ gen_server:call(?SERVER, {environment, Opts}).
+
+module(M) when is_atom(M) -> module(M, []).
+module(M, Opts) when is_atom(M), is_list(Opts) ->
+ gen_server:call(?SERVER, {module, M, Opts}).
+
+
+%%===================================================================
+%% gen_server callbacks
+%%===================================================================
+
+init([]) ->
+ {ok, #state{}}.
+
+handle_call(stop, _From, S) ->
+ {stop, normal, ok, S};
+
+handle_call({load_report, Report}, _From, S) ->
+ Version = get_value([system_info, system_version], Report),
+ io:format("Loaded report from system version: ~s~n", [Version]),
+ {reply, ok, S#state{ report = Report }};
+
+handle_call(_Req, _From, #state{ report = undefined } = S) ->
+ {reply, {error, report_not_loaded}, S};
+
+handle_call({applications, Opts}, _From, #state{ report = Report } = S) ->
+ ok = print_applications(get_value([code], Report), Opts),
+ {reply, ok, S};
+
+handle_call({application, App, Opts}, _From, #state{ report = Report } = S) ->
+ Data = get_value([App], [AppInfo||{application, AppInfo}<-get_value([code], Report)]),
+ ok = print_application({App, Data}, Opts),
+ {reply, ok, S};
+
+
+handle_call({environment, Opts}, _From, #state{ report = Report } = S) ->
+ Choices = case proplists:get_bool(full, Opts) of
+ true -> [environment];
+ false -> [environment_erts]
+ end,
+ ok = print_environments(get_value(Choices, Report), Opts),
+ {reply, ok, S};
+
+
+handle_call({module, M, Opts}, _From, #state{ report = Report } = S) ->
+ Mods = find_modules_from_code(M, get_value([code], Report)),
+ print_modules_from_code(M, Mods, Opts),
+ {reply, ok, S};
+
+
+handle_call(_Request, _From, State) ->
+ {reply, ok, State}.
+
+handle_cast(_Msg, State) ->
+ {noreply, State}.
+
+handle_info(_Info, State) ->
+ {noreply, State}.
+
+terminate(_Reason, _State) ->
+ ok.
+
+code_change(_OldVsn, State, _Extra) ->
+ {ok, State}.
+
+%%===================================================================
+%% Internal functions
+%%===================================================================
+
+%% handle report values
+
+get_value([], Data) -> Data;
+get_value([K|Ks], Data) ->
+ get_value(Ks, proplists:get_value(K, Data, [])).
+
+find_modules_from_code(M, [{code, Info}|Codes]) ->
+ case find_modules(M, get_value([modules], Info)) of
+ [] -> find_modules_from_code(M, Codes);
+ Mods ->
+ Path = get_value([path], Info),
+ [{Path, Mods}|find_modules_from_code(M, Codes)]
+ end;
+find_modules_from_code(M, [{application, {App, Info}}|Codes]) ->
+ case find_modules(M, get_value([modules], Info)) of
+ [] -> find_modules_from_code(M, Codes);
+ Mods ->
+ Path = get_value([path], Info),
+ Vsn = get_value([vsn], Info),
+ [{App, Vsn, Path, Mods}|find_modules_from_code(M, Codes)]
+ end;
+find_modules_from_code(_, []) -> [].
+
+find_modules(M, [{M, _}=Info|Ms]) -> [Info|find_modules(M,Ms)];
+find_modules(M, [_|Ms]) -> find_modules(M, Ms);
+find_modules(_, []) -> [].
+
+%% print information
+
+print_applications([{application, App}|Apps], Opts) ->
+ print_application(App, Opts),
+ print_applications(Apps, Opts);
+print_applications([{code,_}|Apps], Opts) ->
+ print_applications(Apps, Opts);
+print_applications([], _) ->
+ ok.
+
+print_application({App, Info}, Opts) ->
+ Vsn = get_value([vsn], Info),
+ io:format(" * ~w-~s~n", [App, Vsn]),
+ case proplists:get_bool(full, Opts) of
+ true ->
+ _ = [ begin
+ print_module(Minfo)
+ end || Minfo <- get_value([modules], Info) ],
+ ok;
+ false ->
+ ok
+ end.
+
+print_environments([Env|Envs],Opts) ->
+ print_environment(Env,Opts),
+ print_environments(Envs,Opts);
+print_environments([],_) ->
+ ok.
+
+print_environment({_Key, false},_) -> ok;
+print_environment({Key, Value},_) ->
+ io:format(" - ~s = ~s~n", [Key, Value]).
+
+print_modules_from_code(M, [Info|Ms], Opts) ->
+ print_module_from_code(M, Info),
+ case proplists:get_bool(full, Opts) of
+ true -> print_modules_from_code(M, Ms, Opts);
+ false -> ok
+ end;
+print_modules_from_code(_, [], _) ->
+ ok.
+
+print_module_from_code(M, {Path, [{M,ModInfo}]}) ->
+ io:format(" from path \"~s\" (no application):~n", [Path]),
+ io:format(" - compiler: ~s~n", [get_value([compiler], ModInfo)]),
+ io:format(" - md5: ~s~n", [get_value([md5], ModInfo)]),
+ io:format(" - native: ~w~n", [get_value([native], ModInfo)]),
+ io:format(" - loaded: ~w~n", [get_value([loaded], ModInfo)]),
+ ok;
+print_module_from_code(M, {App,Vsn,Path,[{M,ModInfo}]}) ->
+ io:format(" from path \"~s\" (~w-~s):~n", [Path,App,Vsn]),
+ io:format(" - compiler: ~s~n", [get_value([compiler], ModInfo)]),
+ io:format(" - md5: ~s~n", [get_value([md5], ModInfo)]),
+ io:format(" - native: ~w~n", [get_value([native], ModInfo)]),
+ io:format(" - loaded: ~w~n", [get_value([loaded], ModInfo)]),
+ ok.
+
+print_module({Mod, ModInfo}) ->
+ io:format(" - ~w:~n", [Mod]),
+ io:format(" - compiler: ~s~n", [get_value([compiler], ModInfo)]),
+ io:format(" - md5: ~s~n", [get_value([md5], ModInfo)]),
+ io:format(" - native: ~w~n", [get_value([native], ModInfo)]),
+ io:format(" - loaded: ~w~n", [get_value([loaded], ModInfo)]),
+ ok.
+
+
+
+%% get useful information from erlang:system_info/1
+
+erlang_system_info() ->
+ erlang_system_info([
+ allocator,
+ check_io,
+ otp_release,
+ port_limit,
+ process_limit,
+ % procs, % not needed
+ smp_support,
+ system_version,
+ system_architecture,
+ threads,
+ thread_pool_size,
+ {wordsize,internal},
+ {wordsize,external},
+ {cpu_topology, defined},
+ {cpu_topology, detected},
+ scheduler_bind_type,
+ scheduler_bindings,
+ compat_rel,
+ schedulers_state,
+ build_type,
+ logical_processors,
+ logical_processors_online,
+ logical_processors_available,
+ driver_version,
+ emu_args,
+ ethread_info,
+ beam_jump_table,
+ taints
+ ]).
+
+erlang_system_info([]) -> [];
+erlang_system_info([Type|Types]) ->
+ [{Type, erlang:system_info(Type)}|erlang_system_info(Types)].
+
+
+%% get known useful erts environment
+
+os_getenv_erts_specific() ->
+ os_getenv_erts_specific([
+ "BINDIR",
+ "DIALYZER_EMULATOR",
+ "CERL_DETACHED_PROG",
+ "EMU",
+ "ERL_CONSOLE_MODE",
+ "ERL_CRASH_DUMP",
+ "ERL_CRASH_DUMP_NICE",
+ "ERL_CRASH_DUMP_SECONDS",
+ "ERL_EPMD_PORT",
+ "ERL_EMULATOR_DLL",
+ "ERL_FULLSWEEP_AFTER",
+ "ERL_LIBS",
+ "ERL_MALLOC_LIB",
+ "ERL_MAX_PORTS",
+ "ERL_MAX_ETS_TABLES",
+ "ERL_NO_VFORK",
+ "ERL_NO_KERNEL_POLL",
+ "ERL_THREAD_POOL_SIZE",
+ "ERLC_EMULATOR",
+ "ESCRIPT_EMULATOR",
+ "HOME",
+ "HOMEDRIVE",
+ "HOMEPATH",
+ "LANG",
+ "LC_ALL",
+ "LC_CTYPE",
+ "PATH",
+ "PROGNAME",
+ "RELDIR",
+ "ROOTDIR",
+ "TERM",
+ %"VALGRIND_LOG_XML",
+
+ %% heart
+ "COMSPEC",
+ "HEART_COMMAND",
+
+ %% run_erl
+ "RUN_ERL_LOG_ALIVE_MINUTES",
+ "RUN_ERL_LOG_ACTIVITY_MINUTES",
+ "RUN_ERL_LOG_ALIVE_FORMAT",
+ "RUN_ERL_LOG_ALIVE_IN_UTC",
+ "RUN_ERL_LOG_GENERATIONS",
+ "RUN_ERL_LOG_MAXSIZE",
+ "RUN_ERL_DISABLE_FLOWCNTRL",
+
+ %% driver getenv
+ "CALLER_DRV_USE_OUTPUTV",
+ "ERL_INET_GETHOST_DEBUG",
+ "ERL_EFILE_THREAD_SHORT_CIRCUIT",
+ "ERL_WINDOW_TITLE",
+ "ERL_ABORT_ON_FAILURE",
+ "TTYSL_DEBUG_LOG"
+ ]).
+
+os_getenv_erts_specific([]) -> [];
+os_getenv_erts_specific([Key|Keys]) ->
+ [{Key, os:getenv(Key)}|os_getenv_erts_specific(Keys)].
+
+split_env(Env) ->
+ split_env(Env, []).
+
+split_env([$=|Vs], Key) -> {lists:reverse(Key), Vs};
+split_env([I|Vs], Key) -> split_env(Vs, [I|Key]);
+split_env([], KV) -> lists:reverse(KV). % should not happen.
+
+%% get applications
+
+code() ->
+ % order is important
+ get_code_from_paths(code:get_path()).
+
+get_code_from_paths([]) -> [];
+get_code_from_paths([Path|Paths]) ->
+ case is_application_path(Path) of
+ true ->
+ [{application, get_application_from_path(Path)}|get_code_from_paths(Paths)];
+ false ->
+ [{code, [
+ {path, Path},
+ {modules, get_modules_from_path(Path)}
+ ]}|get_code_from_paths(Paths)]
+ end.
+
+is_application_path(Path) ->
+ case filelib:wildcard(filename:join(Path, "*.app")) of
+ [] -> false;
+ _ -> true
+ end.
+
+get_application_from_path(Path) ->
+ [Appfile|_] = filelib:wildcard(filename:join(Path, "*.app")),
+ case file:consult(Appfile) of
+ {ok, [{application, App, Info}]} ->
+ {App, [
+ {description, proplists:get_value(description, Info, [])},
+ {vsn, proplists:get_value(vsn, Info, [])},
+ {path, Path},
+ {modules, get_modules_from_path(Path)}
+ ]}
+ end.
+
+get_modules_from_path(Path) ->
+ [
+ begin
+ {ok,{Mod, Md5}} = beam_lib:md5(Beam),
+ Loaded = case code:is_loaded(Mod) of
+ false -> false;
+ _ -> true
+ end,
+ {Mod, [
+ {loaded, Loaded},
+ {native, code:is_module_native(Mod)},
+ {compiler, get_compiler_version(Beam)},
+ {md5, hexstring(Md5)}
+ ]}
+ end || Beam <- filelib:wildcard(filename:join(Path, "*.beam"))
+ ].
+
+hexstring(Bin) when is_binary(Bin) ->
+ lists:flatten([io_lib:format("~2.16.0b", [V]) || <<V>> <= Bin]).
+
+get_compiler_version(B) ->
+ {ok, Bin} = file:read_file(B),
+ case beam_lib:chunks(Bin, [compile_info]) of
+ {ok,{_,[{compile_info, Info}]}} ->
+ proplists:get_value(version, Info);
+ _ -> undefined
+ end.
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-18 17:53:34 +0000