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authorSiri Hansen <[email protected]>2014-03-27 11:27:06 +0100
committerSiri Hansen <[email protected]>2014-03-27 11:27:06 +0100
commit5b9ffc724e7c3ffe7c775b5113de059e2e25f755 (patch)
tree251971e94f68cffefeae627bf23d346d51869bbd /lib/observer
parentd6b30f44ea610355dab47024acdcb9fc597f96cb (diff)
parentf51d3ce81c1314d06b76975d9d06bf2b22925a89 (diff)
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Merge branch 'siri/cdv-bugs/OTP-11650'
* siri/cdv-bugs/OTP-11650: Improve crashdump_viewer_SUITE:start_stop test case Fix crash in crashdump_viewer when node has multiple creations Change spawn/1 + monitor/2 to spawn_monitor/1 to avoid deadlock
Diffstat (limited to 'lib/observer')
-rw-r--r--lib/observer/src/cdv_dist_cb.erl12
-rw-r--r--lib/observer/src/crashdump_viewer.erl14
-rw-r--r--lib/observer/src/observer_lib.erl2
-rw-r--r--lib/observer/test/crashdump_viewer_SUITE.erl82
4 files changed, 86 insertions, 24 deletions
diff --git a/lib/observer/src/cdv_dist_cb.erl b/lib/observer/src/cdv_dist_cb.erl
index 3860324d6f..f7e6c9aded 100644
--- a/lib/observer/src/cdv_dist_cb.erl
+++ b/lib/observer/src/cdv_dist_cb.erl
@@ -1,7 +1,7 @@
%%
%% %CopyrightBegin%
%%
-%% Copyright Ericsson AB 2013. All Rights Reserved.
+%% Copyright Ericsson AB 2013-2014. 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
@@ -22,7 +22,8 @@
get_info/1,
get_detail_cols/1,
get_details/1,
- detail_pages/0]).
+ detail_pages/0,
+ format/1]).
-include_lib("wx/include/wx.hrl").
-include("crashdump_viewer.hrl").
@@ -75,6 +76,11 @@ init_gen_page(Parent, Info) ->
Fields = info_fields(),
cdv_info_wx:start_link(Parent,{Fields,Info,[]}).
+format({creations,Creations}) ->
+ string:join([integer_to_list(C) || C <- Creations],",");
+format(D) ->
+ D.
+
%%%-----------------------------------------------------------------
%%% Internal
info_fields() ->
@@ -83,7 +89,7 @@ info_fields() ->
{"Type", conn_type},
{"Channel", channel},
{"Controller", {click,controller}},
- {"Creation", creation},
+ {"Creation", {{format,fun format/1},creation}},
{"Extra Info", error}]},
{scroll_boxes,
[{"Remote Links",1,{click,remote_links}},
diff --git a/lib/observer/src/crashdump_viewer.erl b/lib/observer/src/crashdump_viewer.erl
index a17efbccb0..a08d27d070 100644
--- a/lib/observer/src/crashdump_viewer.erl
+++ b/lib/observer/src/crashdump_viewer.erl
@@ -1,7 +1,7 @@
%%
%% %CopyrightBegin%
%%
-%% Copyright Ericsson AB 2003-2013. All Rights Reserved.
+%% Copyright Ericsson AB 2003-2014. 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
@@ -1576,7 +1576,13 @@ get_nodeinfo(Fd,Nod) ->
"Controller" ->
get_nodeinfo(Fd,Nod#nod{controller=val(Fd)});
"Creation" ->
- get_nodeinfo(Fd,Nod#nod{creation=list_to_integer(val(Fd))});
+ %% Throwing away elements like "(refc=1)", which might be
+ %% printed from a debug compiled emulator.
+ Creations = lists:flatmap(fun(C) -> try [list_to_integer(C)]
+ catch error:badarg -> []
+ end
+ end, string:tokens(val(Fd)," ")),
+ get_nodeinfo(Fd,Nod#nod{creation={creations,Creations}});
"Remote link" ->
Procs = val(Fd), % e.g. "<0.31.0> <4322.54.0>"
{Local,Remote} = split(Procs),
@@ -2559,11 +2565,11 @@ progress_pmap(Report,File,Fun,List) ->
{L1,L2} = if length(L)>=NPerProc -> lists:split(NPerProc,L);
true -> {L,[]} % last chunk
end,
- P = spawn(
+ {P,_Ref} =
+ spawn_monitor(
fun() ->
progress_map(Collector,ReportInterval,File,Fun,L1)
end),
- erlang:monitor(process,P),
{L2,[P|Ps]}
end,
{List,[]},
diff --git a/lib/observer/src/observer_lib.erl b/lib/observer/src/observer_lib.erl
index cedaf7d2b8..34c7b127ff 100644
--- a/lib/observer/src/observer_lib.erl
+++ b/lib/observer/src/observer_lib.erl
@@ -249,6 +249,8 @@ to_str({func, {F,A}}) when is_atom(F), is_integer(A) ->
lists:concat([F, "/", A]);
to_str({func, {F,'_'}}) when is_atom(F) ->
atom_to_list(F);
+to_str({{format,Fun},Value}) when is_function(Fun) ->
+ Fun(Value);
to_str({A, B}) when is_atom(A), is_atom(B) ->
lists:concat([A, ":", B]);
to_str({M,F,A}) when is_atom(M), is_atom(F), is_integer(A) ->
diff --git a/lib/observer/test/crashdump_viewer_SUITE.erl b/lib/observer/test/crashdump_viewer_SUITE.erl
index 7a582436b4..f6e7d18f65 100644
--- a/lib/observer/test/crashdump_viewer_SUITE.erl
+++ b/lib/observer/test/crashdump_viewer_SUITE.erl
@@ -120,27 +120,63 @@ start_stop(Config) when is_list(Config) ->
Dump = hd(?config(dumps,Config)),
timer:sleep(1000),
- ProcsBefore = length(processes()),
+ ProcsBefore = processes(),
+ NumProcsBefore = length(ProcsBefore),
ok = crashdump_viewer:start(Dump),
- true = is_pid(whereis(crashdump_viewer_server)),
- true = is_pid(whereis(cdv_wx)),
- true = is_pid(whereis(cdv_proc_cb)),
- true = is_pid(whereis(cdv_port_cb)),
- true = is_pid(whereis(cdv_ets_cb)),
- true = is_pid(whereis(cdv_timer_cb)),
- true = is_pid(whereis(cdv_fun_cb)),
- true = is_pid(whereis(cdv_atom_cb)),
- true = is_pid(whereis(cdv_dist_cb)),
- true = is_pid(whereis(cdv_mod_cb)),
+ ExpectedRegistered = [crashdump_viewer_server,
+ cdv_wx,
+ cdv_proc_cb,
+ cdv_proc_cb__holder,
+ cdv_port_cb,
+ cdv_port_cb__holder,
+ cdv_ets_cb,
+ cdv_ets_cb__holder,
+ cdv_timer_cb,
+ cdv_timer_cb__holder,
+ cdv_fun_cb,
+ cdv_fun_cb__holder,
+ cdv_atom_cb,
+ cdv_atom_cb__holder,
+ cdv_dist_cb,
+ cdv_dist_cb__holder,
+ cdv_mod_cb,
+ cdv_mod_cb__holder],
+ Regs=[begin
+ P=whereis(N),
+ {P,N,erlang:monitor(process,P)}
+ end || N <- ExpectedRegistered],
+ ct:log("CDV procs: ~n~p~n",[Regs]),
+ [true=is_pid(P) || {P,_,_} <- Regs],
timer:sleep(5000), % give some time to live
ok = crashdump_viewer:stop(),
- timer:sleep(1000), % give some time to stop
- undefined = whereis(crashdump_viewer_server),
- undefined = whereis(cdv_wx),
- ProcsAfter=length(processes()),
- ProcsAfter=ProcsBefore,
+ recv_downs(Regs),
+ timer:sleep(2000),
+ ProcsAfter = processes(),
+ NumProcsAfter = length(ProcsAfter),
+ if NumProcsAfter=/=NumProcsBefore ->
+ ct:log("Before but not after:~n~p~n",
+ [[{P,process_info(P)} || P <- ProcsBefore -- ProcsAfter]]),
+ ct:log("After but not before:~n~p~n",
+ [[{P,process_info(P)} || P <- ProcsAfter -- ProcsBefore]]),
+ ct:fail("leaking processes");
+ true ->
+ ok
+ end,
ok.
+recv_downs([]) ->
+ ok;
+recv_downs(Regs) ->
+ receive
+ {'DOWN',Ref,process,_Pid,_} ->
+ ct:log("Got 'DOWN' for process ~n~p~n",[_Pid]),
+ recv_downs(lists:keydelete(Ref,3,Regs))
+ after 30000 ->
+ ct:log("Timeout waiting for down:~n~p~n",
+ [[{Reg,process_info(P)} || {P,_,_}=Reg <- Regs]]),
+ ct:log("Message queue:~n~p~n",[process_info(self(),messages)])
+ end.
+
%% Try to load nonexisting file
non_existing(Config) when is_list(Config) ->
ExpectedReason = "non-existing-file is not an Erlang crash dump\n",
@@ -428,8 +464,10 @@ do_create_dumps(DataDir,Rel) ->
end.
-%% Create a dump which has two visible nodes, one hidden and one
+%% Create a dump which has three visible nodes, one hidden and one
%% not connected node, and with monitors and links between nodes.
+%% One of the visible nodes is stopped and started again in order to
+%% get multiple creations.
full_dist_dump(DataDir,Rel) ->
Opt = rel_opt(Rel),
Pz = "-pz \"" ++ filename:dirname(code:which(?MODULE)) ++ "\"",
@@ -450,6 +488,15 @@ full_dist_dump(DataDir,Rel) ->
get_response(P4),
get_response(P1),
+ %% start, stop and start a node in order to get multiple 'creations'
+ {ok,N5} = ?t:start_node(n5,peer,Opt ++ PzOpt),
+ P51 = rpc:call(N5,?helper_mod,remote_proc,[P1,Creator]),
+ get_response(P51),
+ ?t:stop_node(N5),
+ {ok,N5} = ?t:start_node(n5,peer,Opt ++ PzOpt),
+ P52 = rpc:call(N5,?helper_mod,remote_proc,[P1,Creator]),
+ get_response(P52),
+
{aaaaaaaa,N1} ! {hello,from,other,node}, % distribution message
?t:stop_node(N3),
@@ -458,6 +505,7 @@ full_dist_dump(DataDir,Rel) ->
?t:stop_node(N2),
?t:stop_node(N4),
+ ?t:stop_node(N5),
CD.
get_response(P) ->