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0498-Add-missing-specs-for-observer.patch
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File 0498-Add-missing-specs-for-observer.patch of Package erlang
From e3b8df128870dfe34a3e581a102a72bf9221225e Mon Sep 17 00:00:00 2001 From: Dan Gudmundsson <dgud@erlang.org> Date: Tue, 2 Jan 2024 11:49:16 +0100 Subject: [PATCH 3/4] Add missing specs for observer --- lib/observer/src/etop.erl | 18 +++- lib/observer/src/observer.erl | 6 +- lib/observer/src/ttb.erl | 197 +++++++++++++++++++++++++++++++--- 3 files changed, 205 insertions(+), 16 deletions(-) diff --git a/lib/observer/src/etop.erl b/lib/observer/src/etop.erl index 78ffe658e4..7a567f4d00 100644 --- a/lib/observer/src/etop.erl +++ b/lib/observer/src/etop.erl @@ -30,6 +30,7 @@ -define(change_at_runtime_config,[lines,interval,sort,accumulate]). +-spec help() -> ok. help() -> io:format( "Usage of the Erlang top program~n~n" @@ -57,12 +58,17 @@ help() -> " This is not an etop parameter~n" ). +-spec stop() -> stop | not_started. stop() -> case whereis(etop_server) of undefined -> not_started; Pid when is_pid(Pid) -> etop_server ! stop end. +-spec config(Key,Value) -> ok | {error, Reason} when + Key :: 'lines' | 'interval' | 'accumulate' | 'sort', + Value :: term(), + Reason :: term(). config(Key,Value) -> case check_runtime_config(Key,Value) of ok -> @@ -80,15 +86,23 @@ check_runtime_config(sort,S) when S=:=runtime; check_runtime_config(accumulate,A) when A=:=true; A=:=false -> ok; check_runtime_config(_Key,_Value) -> error. +-spec dump(File) -> ok | {error, Reason} when + File :: file:filename_all(), + Reason :: term(). dump(File) -> case file:open(File,[write,{encoding,utf8}]) of - {ok,Fd} -> etop_server ! {dump,Fd}; + {ok,Fd} -> etop_server ! {dump,Fd}, ok; Error -> Error end. +-spec start() -> ok. start() -> start([]). - + +-spec start(Options) -> ok when + Options :: [{Key,Value}], + Key :: atom(), + Value :: term(). start(Opts) -> process_flag(trap_exit, true), Config1 = handle_args(init:get_arguments() ++ Opts, #opts{}), diff --git a/lib/observer/src/ttb.erl b/lib/observer/src/ttb.erl index bf220a7f05..36eef7b1fe 100644 --- a/lib/observer/src/ttb.erl +++ b/lib/observer/src/ttb.erl @@ -50,20 +50,85 @@ -define(get_status,). -endif. +-type nodes() :: node() | [node()] | all | existing | new. +-type item() :: pid() | port() | atom() | {global, term()} | all | processes | + ports | existing | existing_processes | existing_ports | + new | new_processes | new_ports. + +-type match_desc() :: [{'matched', node(), integer()} | {'matched', node(), 0, term()} | {saved, integer()}]. +-type match_spec() :: pos_integer() | 'x' | 'c' | 'cx' | [] | dbg:match_spec(). + +-type tp_module() :: module() | '_'. +-type tp_function() :: atom() | '_'. +-type tp_arity() :: arity() | '_'. + + +-type format_fun() :: + fun( (Fd :: 'standard_io' | file:fd(), + Trace :: tuple(), + TraceInfo :: [{atom(), list()}], + State::term() + ) -> NewState :: term() ). + +-type format_handler() :: {format_fun(), InitialState :: term()}. + +-type format_opts() :: format_opt() | [format_opt()]. +-type format_opt() :: {out, standard_io | file:filename()} | + {handler, format_handler()} | + disable_sort. +-type stop_opts() :: stop_opt() | [stop_opt()]. +-type stop_opt() :: nofetch | {fetch_dir, file:filename()} | + format | {format, format_opts()} | return_fetch_dir. + +-type mfas() :: {Module::atom(), Function::atom(), [term()]}. +-type trace_flag() :: 's' | 'r' | 'm' | 'c' | 'p' | + 'sos' | 'sol' | 'sofs' | 'all' | 'clear' | + 'send' | 'receive' | 'procs' | 'ports' | + 'call' | 'arity' | 'return_to' | 'silent' | 'running' | + 'exiting' | 'running_procs' | 'running_ports' | + 'garbage_collection' | 'timestamp' | 'cpu_timestamp' | 'monotonic_timestamp' | + 'strict_monotonic_timestamp' | 'set_on_spawn' | + 'set_on_first_spawn' | 'set_on_link' | 'set_on_first_link' | + {tracer, pid() | port()} | + {tracer, module(), term()}. + %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% %%% Shortcut +-spec start_trace(Nodes, Patterns, FlagSpec, TracerOpts) -> Result when + Nodes :: nodes(), + Patterns :: [tuple()], + FlagSpec :: {item(), trace_flag() | [trace_flag()]}, %% See dbg:p/2 + TracerOpts :: term(), %% See tracer/2 + Result :: {ok, [{item(), match_desc()}]}. start_trace(Nodes, Patterns, {Procs, Flags}, Options) -> {ok, _} = tracer(Nodes, Options), [{ok, _} = apply(?MODULE, tpl, tuple_to_list(Args)) || Args <- Patterns], {ok, _} = p(Procs, Flags). - %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% %%% Open a trace port on all given nodes and create the meta data file +-spec tracer() -> {ok, [node()]} | {error, term()}. tracer() -> tracer(node()). +-spec tracer('shell' | 'dbg' | nodes()) -> {ok, [node()]} | {error, term()}. tracer(shell) -> tracer(node(), shell); tracer(dbg) -> tracer(node(), {shell, only}); tracer(Nodes) -> tracer(Nodes,[]). +-spec tracer(Nodes, Opts) -> Result when + Nodes :: nodes(), + Opts :: Opt | [Opt], + Opt :: {file,Client} | {handler, format_handler()} | {process_info, boolean()} | + shell | {shell, ShellSpec} | {timer, TimerSpec} | + {overload_check, {MSec, Module, Function}} | {flush, MSec} | + resume | {resume, MSec} | {queue_size, non_neg_integer()}, + TimerSpec :: MSec | {MSec, stop_opts()}, + MSec :: integer(), + Module :: atom(), + Function :: atom(), + Client :: File | {local, File}, + File :: file:filename() | Wrap, + Wrap :: {wrap,file:filename()} | {wrap,file:filename(),Size::integer(),Count::integer()}, + ShellSpec :: true | false | only, + Result :: {ok, [node()]} | {error, term()}. tracer(Nodes,Opt) -> {PI,Client,Traci} = opt(Opt), %%We use initial Traci as SessionInfo for loop/2 @@ -272,13 +337,18 @@ store(Func,Args) -> end, ets:insert(?history_table,{Last+1,{?MODULE,Func,Args}}). -list_history() -> +-spec list_history() -> History | {error, term()} when + History :: [{N::integer(), Func::function(), Args::integer()}]. +list_history() -> %% the check is only to see if the tool is started. case ets:info(?history_table) of undefined -> {error, not_running}; _info -> ets:tab2list(?history_table) end. +-spec run_history(Entries) -> ok | {error, term()} when + Entries :: [Entry] | Entry | all | all_silent, + Entry :: integer(). run_history([H|T]) -> case run_history(H) of ok -> run_history(T); @@ -307,21 +377,31 @@ run_printed({M,F,A},Verbose) -> Verbose andalso print_func(M,F,A), R = apply(M,F,A), Verbose andalso print_result(R). - -write_config(ConfigFile,all) -> - write_config(ConfigFile,['_']); + +-spec write_config(ConfigFile, Config) -> Result when + ConfigFile :: file:filename(), + Config :: all | [integer()] | [mfas()], + Result :: ok | {error, term()}. write_config(ConfigFile,Config) -> write_config(ConfigFile,Config,[]). -write_config(ConfigFile,all,Opt) -> - write_config(ConfigFile,['_'],Opt); + +-spec write_config(ConfigFile, Config, Opts) -> Result when + ConfigFile :: file:filename(), + Config :: all | [integer()] | [mfas()], + Opts :: Opt | [Opt], + Opt :: append, + Result :: ok | {error, term()}. write_config(ConfigFile,Config,Opt) when not(is_list(Opt)) -> write_config(ConfigFile,Config,[Opt]); write_config(ConfigFile,Nums,Opt) when is_list(Nums), is_integer(hd(Nums)); - Nums=:=['_'] -> + Nums=:=all -> F = fun(N) -> ets:select(?history_table, [{{N,'$1'},[],['$1']}]) end, - Config = lists:append(lists:map(F,Nums)), + Config = case Nums of + all -> lists:append(lists:map(F,['_'])); + _ -> lists:append(lists:map(F,Nums)) + end, do_write_config(ConfigFile,Config,Opt); write_config(ConfigFile,Config,Opt) when is_list(Config) -> case check_config(Config,[]) of @@ -350,20 +430,25 @@ check_config([],Acc) -> check_config([Other|_Rest],_Acc) -> {error,{illegal_config,Other}}. - +-spec list_config(ConfigFile) -> Result when + ConfigFile :: file:filename(), + Result :: Config | {error, term()}, + Config :: [{integer(), mfas()}]. list_config(ConfigFile) -> case file:read_file(ConfigFile) of {ok,B} -> read_config(B,[],1); Error -> Error end. - + read_config(<<>>,Acc,_N) -> lists:reverse(Acc); read_config(B,Acc,N) -> {{M,F,A},Rest} = get_term(B), read_config(Rest,[{N,{M,F,A}}|Acc],N+1). - +-spec run_config(ConfigFile) -> Result when + ConfigFile :: file:filename(), + Result :: ok | {error, term()}. run_config(ConfigFile) -> case list_config(ConfigFile) of Config when is_list(Config) -> @@ -375,6 +460,10 @@ run_config(ConfigFile) -> Error -> Error end. +-spec run_config(ConfigFile, NumList) -> Result when + ConfigFile :: file:filename(), + NumList :: [integer()], + Result :: ok | {error, term()}. run_config(ConfigFile,N) -> case list_config(ConfigFile) of Config when is_list(Config) -> @@ -405,6 +494,10 @@ arg_list([A1|A],Acc) -> %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% %%% Set trace flags on processes +-spec p(Item,Flags) -> Result when + Item :: item(), + Flags :: trace_flag() | [trace_flag()], + Result :: {ok, [{item(), match_desc()}]}. p(ProcsPorts0,Flags0) -> ensure_no_overloaded_nodes(), store(p,[ProcsPorts0,Flags0]), @@ -463,76 +556,137 @@ proc_port({global,Name}) -> %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% %%% Trace pattern +-spec tp(tp_module(), match_spec()) -> + {ok, match_desc()} | {error, term()}. tp(A,B) -> ensure_no_overloaded_nodes(), store(tp,[A,ms(B)]), dbg:tp(A,ms(B)). + +-spec tp(tp_module(), tp_function(), match_spec()) -> + {ok, match_desc()} | {error, term()}. tp(A,B,C) -> ensure_no_overloaded_nodes(), store(tp,[A,B,ms(C)]), dbg:tp(A,B,ms(C)). + +-spec tp(tp_module(), tp_function(), tp_arity(), match_spec()) -> + {ok, match_desc()} | {error, term()}. tp(A,B,C,D) -> ensure_no_overloaded_nodes(), store(tp,[A,B,C,ms(D)]), dbg:tp(A,B,C,ms(D)). +-spec tpl(tp_module(), match_spec()) -> + {ok, match_desc()} | {error, term()}. tpl(A,B) -> ensure_no_overloaded_nodes(), store(tpl,[A,ms(B)]), dbg:tpl(A,ms(B)). + +-spec tpl(tp_module(), tp_function(), match_spec()) -> + {ok, match_desc()} | {error, term()}. tpl(A,B,C) -> ensure_no_overloaded_nodes(), store(tpl,[A,B,ms(C)]), dbg:tpl(A,B,ms(C)). + +-spec tpl(tp_module(), tp_function(), tp_arity(), match_spec()) -> + {ok, match_desc()} | {error, term()}. tpl(A,B,C,D) -> ensure_no_overloaded_nodes(), store(tpl,[A,B,C,ms(D)]), dbg:tpl(A,B,C,ms(D)). +-spec tpe(Event, MatchSpec) -> {ok, MatchDesc :: match_desc()} | {error, term()} when + Event :: 'send' | 'receive', + MatchSpec :: match_spec(). tpe(A,B) -> ensure_no_overloaded_nodes(), store(tpe,[A,ms(B)]), dbg:tpe(A,ms(B)). +-spec ctp() -> {ok, MatchDesc :: match_desc()} | {error, term()}. ctp() -> store(ctp,[]), dbg:ctp(). + +-spec ctp(Module | {Module, Function, Arity}) -> + {ok, MatchDesc :: match_desc()} | {error, term()} when + Module :: tp_module(), + Function :: tp_function(), + Arity :: tp_arity(). ctp(A) -> store(ctp,[A]), dbg:ctp(A). + +-spec ctp(Module :: tp_module(), Function :: tp_function()) -> + {ok, MatchDesc :: match_desc()} | {error, term()}. ctp(A,B) -> store(ctp,[A,B]), dbg:ctp(A,B). + +-spec ctp(Module :: tp_module(), Function :: tp_function(), Arity :: tp_arity()) -> + {ok, MatchDesc :: match_desc()} | {error, term()}. ctp(A,B,C) -> store(ctp,[A,B,C]), dbg:ctp(A,B,C). + +-spec ctpl() -> {ok, MatchDesc :: match_desc()} | {error, term()}. ctpl() -> store(ctpl,[]), dbg:ctpl(). + +-spec ctpl(Module | {Module, Function :: tp_function(), Arity :: tp_arity()}) -> + {ok, MatchDesc :: term()} | {error, term()} when + Module :: tp_module(). ctpl(A) -> store(ctpl,[A]), dbg:ctpl(A). + +-spec ctpl(Module :: tp_module(), Function :: tp_function()) -> + {ok, MatchDesc :: match_desc()} | {error, term()}. ctpl(A,B) -> store(ctpl,[A,B]), dbg:ctpl(A,B). + +-spec ctpl(Module :: tp_module(), Function :: tp_function(), Arity :: tp_arity()) -> + {ok, MatchDesc :: match_desc()} | {error, term()}. ctpl(A,B,C) -> store(ctpl,[A,B,C]), dbg:ctpl(A,B,C). +-spec ctpg() -> {ok, MatchDesc :: match_desc()} | {error, term()}. ctpg() -> store(ctpg,[]), dbg:ctpg(). + +-spec ctpg(Module | {Module, Function :: tp_function(), Arity :: tp_arity()}) -> + {ok, MatchDesc :: term()} | {error, term()} when + Module :: tp_module(). ctpg(A) -> store(ctpg,[A]), dbg:ctpg(A). + +-spec ctpg(Module :: tp_module(), Function :: tp_function()) -> + {ok, MatchDesc :: match_desc()} | {error, term()}. ctpg(A,B) -> store(ctpg,[A,B]), dbg:ctpg(A,B). + +-spec ctpg(Module :: tp_module(), Function :: tp_function(), Arity :: tp_arity()) -> + {ok, MatchDesc :: match_desc()} | {error, term()}. ctpg(A,B,C) -> store(ctpg,[A,B,C]), dbg:ctpg(A,B,C). +-spec ctpe(Event) -> {ok, MatchDesc} | {error, term()} when + Event :: send | 'receive', + MatchDesc :: [MatchNum], + MatchNum :: + {matched, node(), 1} | + {matched, node(), 0, RPCError :: term()}. ctpe(A) -> store(ctpe,[A]), dbg:ctpe(A). @@ -590,7 +744,11 @@ fix_dot(FunStr) -> %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% %%% Support for sequential trace +-spec seq_trigger_ms() -> match_spec(). seq_trigger_ms() -> seq_trigger_ms(all). +-spec seq_trigger_ms(Flags) -> match_spec() when + Flags :: all | SeqTraceFlag | [SeqTraceFlag], + SeqTraceFlag :: atom(). seq_trigger_ms(all) -> seq_trigger_ms(?seq_trace_flags); seq_trigger_ms(Flag) when is_atom(Flag) -> seq_trigger_ms([Flag],[]); seq_trigger_ms(Flags) -> seq_trigger_ms(Flags,[]). @@ -605,6 +763,9 @@ seq_trigger_ms([],Body) -> %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% %%% Write information to the .ti file +-spec no_store_write_trace_info(Key,Info) -> ok when + Key :: term(), + Info :: Data::term() | fun(() -> Data::term()). write_trace_info(Key,What) -> store(write_trace_info,[Key,What]), no_store_write_trace_info(Key,What). @@ -619,8 +780,10 @@ no_store_write_trace_info(Key,What) -> %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% %%% Stop tracing on all nodes +-spec stop() -> stopped | {stopped, Dir::file:filename()}. stop() -> stop([]). +-spec stop(Opts :: stop_opts()) -> stopped | {stopped, Dir::file:filename()}. stop(Opts) when is_list(Opts) -> Fetch = stop_opts(Opts), Result = @@ -1023,17 +1186,25 @@ write_info(Nodes,PI,Traci) -> %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% %%% Format binary trace logs +-spec get_et_handler() -> {Fun, InitState} when + Fun :: fun(), + InitState :: term(). get_et_handler() -> {fun ttb_et:handler/4, initial}. +-spec format(Files) -> ok | {error, term()} when + Files :: [file:filename()] | file:filename(). format(Files) -> format(Files,[]). +-spec format(Files, Options) -> ok | {error, term()} when + Files :: [file:filename()] | file:filename(), + Options :: format_opts(). format(Files,Opt) -> {Out,Handler,DisableSort} = format_opt(Opt), ets:new(?MODULE,[named_table]), format(Files,Out,Handler, DisableSort). format(File,Out,Handler,DisableSort) when is_list(File), is_integer(hd(File)) -> - Files = + Files = case filelib:is_dir(File) of true -> % will merge all files in the directory List = filelib:wildcard(filename:join(File, ?partial_dir++"*")), -- 2.35.3
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