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-rw-r--r--lib/runtime_tools/src/dbg.erl47
1 files changed, 30 insertions, 17 deletions
diff --git a/lib/runtime_tools/src/dbg.erl b/lib/runtime_tools/src/dbg.erl
index d5ff874206..8cdb5a43e3 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.
%%
@@ -589,7 +599,7 @@ stop() ->
end.
stop_clear() ->
- ctp(),
+ {ok, _} = ctp(),
stop().
%%% Calling the server.
@@ -780,7 +790,8 @@ loop({C,T}=SurviveLinks, Table) ->
end.
reply(Pid, Reply) ->
- Pid ! {dbg,Reply}.
+ Pid ! {dbg,Reply},
+ ok.
%%% A process-based tracer.
@@ -933,9 +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).
@@ -1355,7 +1368,7 @@ 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);