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-rw-r--r--lib/runtime_tools/src/dbg.erl143
1 files changed, 105 insertions, 38 deletions
diff --git a/lib/runtime_tools/src/dbg.erl b/lib/runtime_tools/src/dbg.erl
index 6eea1a0917..c0d4665bda 100644
--- a/lib/runtime_tools/src/dbg.erl
+++ b/lib/runtime_tools/src/dbg.erl
@@ -20,6 +20,7 @@
-module(dbg).
-export([p/1,p/2,c/3,c/4,i/0,start/0,stop/0,stop_clear/0,tracer/0,
tracer/2, tracer/3, get_tracer/0, get_tracer/1, tp/2, tp/3, tp/4,
+ tpe/2, ctpe/1,
ctp/0, ctp/1, ctp/2, ctp/3, tpl/2, tpl/3, tpl/4, ctpl/0, ctpl/1,
ctpl/2, ctpl/3, ctpg/0, ctpg/1, ctpg/2, ctpg/3, ltp/0, wtp/1, rtp/1,
dtp/0, dtp/1, n/1, cn/1, ln/0, h/0, h/1]).
@@ -128,7 +129,12 @@ tpl(Module, Pattern) when is_atom(Module) ->
do_tp({Module, '_', '_'}, Pattern, [local]);
tpl({_Module, _Function, _Arity} = X, Pattern) ->
do_tp(X,Pattern,[local]).
-do_tp({_Module, _Function, _Arity} = X, Pattern, Flags)
+
+tpe(Event, Pattern) when Event =:= send;
+ Event =:= 'receive' ->
+ do_tp(Event, Pattern, []).
+
+do_tp(X, Pattern, Flags)
when is_integer(Pattern);
is_atom(Pattern) ->
case ets:lookup(get_pattern_table(), Pattern) of
@@ -137,17 +143,16 @@ do_tp({_Module, _Function, _Arity} = X, Pattern, Flags)
_ ->
{error, unknown_pattern}
end;
-do_tp({Module, _Function, _Arity} = X, Pattern, Flags) when is_list(Pattern) ->
+do_tp(X, Pattern, Flags) when is_list(Pattern) ->
Nodes = req(get_nodes),
- case Module of
- '_' ->
- ok;
- M when is_atom(M) ->
+ case X of
+ {M,_,_} when is_atom(M) ->
%% Try to load M on all nodes
lists:foreach(fun(Node) ->
rpc:call(Node, M, module_info, [])
end,
- Nodes)
+ Nodes);
+ _ -> ok
end,
case lint_tp(Pattern) of
{ok,_} ->
@@ -163,9 +168,9 @@ do_tp({Module, _Function, _Arity} = X, Pattern, Flags) when is_list(Pattern) ->
end.
%% All nodes are handled the same way - also the local node if it is traced
-do_tp_on_nodes(Nodes, MFA, P, Flags) ->
+do_tp_on_nodes(Nodes, X, P, Flags) ->
lists:map(fun(Node) ->
- case rpc:call(Node,erlang,trace_pattern,[MFA,P, Flags]) of
+ case rpc:call(Node,erlang,trace_pattern,[X,P, Flags]) of
N when is_integer(N) ->
{matched, Node, N};
Else ->
@@ -210,13 +215,19 @@ ctpg(Module) when is_atom(Module) ->
do_ctp({Module, '_', '_'}, [global]);
ctpg({_Module, _Function, _Arity} = X) ->
do_ctp(X,[global]).
+
do_ctp({Module, Function, Arity},[]) ->
- do_ctp({Module, Function, Arity},[global]),
+ {ok,_} = do_ctp({Module, Function, Arity},[global]),
do_ctp({Module, Function, Arity},[local]);
do_ctp({_Module, _Function, _Arity}=MFA,Flags) ->
Nodes = req(get_nodes),
{ok,do_tp_on_nodes(Nodes,MFA,false,Flags)}.
+ctpe(Event) when Event =:= send;
+ Event =:= 'receive' ->
+ Nodes = req(get_nodes),
+ {ok,do_tp_on_nodes(Nodes,Event,true,[])}.
+
%%
%% ltp() -> ok
%% List saved and built-in trace patterns.
@@ -260,8 +271,7 @@ wtp(FileName) ->
ok
end,
[]),
- file:close(File),
- ok
+ ok = file:close(File)
end.
%%
@@ -298,7 +308,12 @@ tracer(port, Port) when is_port(Port) ->
start(fun() -> Port end);
tracer(process, {Handler,HandlerData}) ->
- start(fun() -> start_tracer_process(Handler, HandlerData) end).
+ start(fun() -> start_tracer_process(Handler, HandlerData) end);
+
+tracer(module, Fun) when is_function(Fun) ->
+ start(Fun);
+tracer(module, {Module, State}) ->
+ start(fun() -> {Module, State} end).
remote_tracer(port, Fun) when is_function(Fun) ->
@@ -308,7 +323,13 @@ remote_tracer(port, Port) when is_port(Port) ->
remote_start(fun() -> Port end);
remote_tracer(process, {Handler,HandlerData}) ->
- remote_start(fun() -> start_tracer_process(Handler, HandlerData) end).
+ remote_start(fun() -> start_tracer_process(Handler, HandlerData) end);
+
+remote_tracer(module, Fun) when is_function(Fun) ->
+ remote_start(Fun);
+remote_tracer(module, {Module, State}) ->
+ remote_start(fun() -> {Module, State} end).
+
remote_start(StartTracer) ->
case (catch StartTracer()) of
@@ -543,9 +564,8 @@ c(M, F, A, Flags) ->
{error,Reason} -> {error,Reason};
Flags1 ->
tracer(),
- {ok, Tracer} = get_tracer(),
S = self(),
- Pid = spawn(fun() -> c(S, M, F, A, [{tracer, Tracer} | Flags1]) end),
+ Pid = spawn(fun() -> c(S, M, F, A, [get_tracer_flag() | Flags1]) end),
Mref = erlang:monitor(process, Pid),
receive
{'DOWN', Mref, _, _, Reason} ->
@@ -579,7 +599,7 @@ stop() ->
end.
stop_clear() ->
- ctp(),
+ {ok, _} = ctp(),
stop().
%%% Calling the server.
@@ -660,6 +680,9 @@ loop({C,T}=SurviveLinks, Table) ->
reply(From, {error, Reason});
Tracer when is_pid(Tracer); is_port(Tracer) ->
put(node(),{self(),Tracer}),
+ reply(From, {ok,self()});
+ {Module, _State} = Tracer when is_atom(Module) ->
+ put(node(),{self(),Tracer}),
reply(From, {ok,self()})
end;
{_Relay,_Tracer} ->
@@ -710,6 +733,9 @@ loop({C,T}=SurviveLinks, Table) ->
{_LocalRelay,Tracer} when is_port(Tracer) ->
reply(From, {error, cant_trace_remote_pid_to_local_port}),
loop(SurviveLinks, Table);
+ {_LocalRelay,Tracer} when is_tuple(Tracer) ->
+ reply(From, {error, cant_trace_remote_pid_to_local_module}),
+ loop(SurviveLinks, Table);
{_LocalRelay,Tracer} when is_pid(Tracer) ->
case (catch relay(Node, Tracer)) of
{ok,Relay} ->
@@ -764,7 +790,8 @@ loop({C,T}=SurviveLinks, Table) ->
end.
reply(Pid, Reply) ->
- Pid ! {dbg,Reply}.
+ Pid ! {dbg,Reply},
+ ok.
%%% A process-based tracer.
@@ -879,9 +906,9 @@ trac(Proc, How, Flags) ->
end
end.
-trac(Node, {_Relay, Tracer}, AtomPid, How, Flags) ->
+trac(Node, {_Replay, Tracer}, AtomPid, How, Flags) ->
case rpc:call(Node, ?MODULE, erlang_trace,
- [AtomPid, How, [{tracer, Tracer} | Flags]]) of
+ [AtomPid, How, [get_tracer_flag(Tracer) | Flags]]) of
N when is_integer(N) ->
{matched, Node, N};
{badrpc,Reason} ->
@@ -917,9 +944,11 @@ do_relay(Parent,RelP) ->
case RelP of
{Type,Data} ->
{ok,Tracer} = remote_tracer(Type,Data),
- Parent ! {started,Tracer};
+ Parent ! {started,Tracer},
+ ok;
Pid when is_pid(Pid) ->
- Parent ! {started,self()}
+ Parent ! {started,self()},
+ ok
end,
do_relay_1(RelP).
@@ -1114,7 +1143,7 @@ transform_flags([sos|Tail],Acc) -> transform_flags(Tail,[set_on_spawn|Acc]);
transform_flags([sol|Tail],Acc) -> transform_flags(Tail,[set_on_link|Acc]);
transform_flags([sofs|Tail],Acc) -> transform_flags(Tail,[set_on_first_spawn|Acc]);
transform_flags([sofl|Tail],Acc) -> transform_flags(Tail,[set_on_first_link|Acc]);
-transform_flags([all|_],_Acc) -> all()--[silent];
+transform_flags([all|_],_Acc) -> all()--[silent,running];
transform_flags([F|Tail]=List,Acc) when is_atom(F) ->
case lists:member(F, all()) of
true -> transform_flags(Tail,[F|Acc]);
@@ -1123,9 +1152,10 @@ transform_flags([F|Tail]=List,Acc) when is_atom(F) ->
transform_flags(Bad,_Acc) -> {error,{bad_flags,Bad}}.
all() ->
- [send,'receive',call,procs,garbage_collection,running,
+ [send,'receive',call,procs,ports,garbage_collection,running,
set_on_spawn,set_on_first_spawn,set_on_link,set_on_first_link,
- timestamp,arity,return_to,silent].
+ timestamp,monotonic_timestamp,strict_monotonic_timestamp,
+ arity,return_to,silent,running_procs,running_ports,exiting].
display_info([Node|Nodes]) ->
io:format("~nNode ~w:~n",[Node]),
@@ -1146,24 +1176,34 @@ display_info1([]) ->
ok.
get_info() ->
- get_info(processes(),[]).
+ get_info(processes(),get_info(erlang:ports(),[])).
+get_info([Port|T], Acc) when is_port(Port) ->
+ case pinfo(Port, name) of
+ undefined ->
+ get_info(T,Acc);
+ {name, Name} ->
+ get_info(T,get_tinfo(Port, Name, Acc))
+ end;
get_info([Pid|T],Acc) ->
case pinfo(Pid, initial_call) of
undefined ->
get_info(T,Acc);
{initial_call, Call} ->
- case tinfo(Pid, flags) of
- undefined ->
- get_info(T,Acc);
- {flags,[]} ->
- get_info(T,Acc);
- {flags,Flags} ->
- get_info(T,[{Pid,Call,Flags}|Acc])
- end
+ get_info(T,get_tinfo(Pid, Call, Acc))
end;
get_info([],Acc) -> Acc.
+get_tinfo(P, Id, Acc) ->
+ case tinfo(P, flags) of
+ undefined ->
+ Acc;
+ {flags,[]} ->
+ Acc;
+ {flags,Flags} ->
+ [{P,Id,Flags}|Acc]
+ end.
+
format_trace([]) -> [];
format_trace([Item]) -> [ts(Item)];
format_trace([Item|T]) -> [ts(Item) ," | ", format_trace(T)].
@@ -1188,9 +1228,22 @@ to_pidspec(X) when is_pid(X) ->
true -> X;
false -> {badpid,X}
end;
-to_pidspec(new) -> new;
-to_pidspec(all) -> all;
-to_pidspec(existing) -> existing;
+to_pidspec(X) when is_port(X) ->
+ case erlang:port_info(X) of
+ undefined -> {badport, X};
+ _ -> X
+ end;
+to_pidspec(Tag)
+ when Tag =:= all;
+ Tag =:= ports;
+ Tag =:= processes;
+ Tag =:= new;
+ Tag =:= new_ports;
+ Tag =:= new_processes;
+ Tag =:= existing;
+ Tag =:= existing_ports;
+ Tag =:= existing_processes ->
+ Tag;
to_pidspec(X) when is_atom(X) ->
case whereis(X) of
undefined -> {badpid,X};
@@ -1203,6 +1256,7 @@ to_pidspec(X) -> {badpid,X}.
%%
to_pid(X) when is_pid(X) -> X;
+to_pid(X) when is_port(X) -> X;
to_pid(X) when is_integer(X) -> to_pid({0,X,0});
to_pid({X,Y,Z}) ->
to_pid(lists:concat(["<",integer_to_list(X),".",
@@ -1217,9 +1271,12 @@ to_pid(X) when is_list(X) ->
to_pid(X) -> {badpid,X}.
+pinfo(P, X) when node(P) == node(), is_port(P) -> erlang:port_info(P, X);
pinfo(P, X) when node(P) == node() -> erlang:process_info(P, X);
+pinfo(P, X) when is_port(P) -> check(rpc:call(node(P), erlang, port_info, [P, X]));
pinfo(P, X) -> check(rpc:call(node(P), erlang, process_info, [P, X])).
+
tinfo(P, X) when node(P) == node() -> erlang:trace_info(P, X);
tinfo(P, X) -> check(rpc:call(node(P), erlang, trace_info, [P, X])).
@@ -1256,6 +1313,9 @@ tc_loop(Other, _Handler, _HData) ->
gen_reader(ip, {Host, Portno}) ->
case gen_tcp:connect(Host, Portno, [{active, false}, binary]) of
{ok, Sock} ->
+ %% Just in case this is on the traced node,
+ %% make sure the port is not traced.
+ p(Sock,clear),
mk_reader(fun ip_read/2, Sock);
Error ->
exit(Error)
@@ -1311,7 +1371,7 @@ mk_reader_wrap([_Hd | Tail] = WrapFiles, File) ->
{ok, Term} ->
[Term | mk_reader_wrap(WrapFiles, File)];
eof ->
- file:close(File),
+ ok = file:close(File),
case Tail of
[_|_] ->
mk_reader_wrap(Tail);
@@ -1411,6 +1471,13 @@ get_tracer() ->
req({get_tracer,node()}).
get_tracer(Node) ->
req({get_tracer,Node}).
+get_tracer_flag() ->
+ {ok, Tracer} = get_tracer(),
+ get_tracer_flag(Tracer).
+get_tracer_flag({Module,State}) ->
+ {tracer, Module, State};
+get_tracer_flag(Port = Pid) when is_port(Port); is_pid(Pid)->
+ {tracer, Pid = Port}.
save_pattern([]) ->
0;