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-rw-r--r--lib/diameter/src/base/diameter_service.erl65
1 files changed, 58 insertions, 7 deletions
diff --git a/lib/diameter/src/base/diameter_service.erl b/lib/diameter/src/base/diameter_service.erl
index b7cd311e02..ab56ca9cef 100644
--- a/lib/diameter/src/base/diameter_service.erl
+++ b/lib/diameter/src/base/diameter_service.erl
@@ -1573,7 +1573,8 @@ transports(#state{watchdogT = WatchdogT}) ->
-define(OTHER_INFO, [connections,
name,
peers,
- statistics]).
+ statistics,
+ info]).
service_info(Item, S)
when is_atom(Item) ->
@@ -1663,6 +1664,7 @@ complete_info(Item, #state{service = Svc} = S) ->
keys -> ?ALL_INFO ++ ?CAP_INFO ++ ?OTHER_INFO;
all -> service_info(?ALL_INFO, S);
statistics -> info_stats(S);
+ info -> info_info(S);
connections -> info_connections(S);
peers -> info_peers(S)
end.
@@ -1745,12 +1747,11 @@ peer_acc(PeerT, Acc, #watchdog{pid = Pid,
state = WS,
started = At,
peer = TPid}) ->
- dict:append(Ref,
- [{type, Type},
- {options, Opts},
- {watchdog, {Pid, At, WS}}
- | info_peer(PeerT, TPid, WS)],
- Acc).
+ Info = [{type, Type},
+ {options, Opts},
+ {watchdog, {Pid, At, WS}}
+ | info_peer(PeerT, TPid, WS)],
+ dict:append(Ref, Info ++ [{info, info_process_info(Info)}], Acc).
info_peer(PeerT, TPid, WS)
when is_pid(TPid), WS /= ?WD_DOWN ->
@@ -1762,6 +1763,49 @@ info_peer(PeerT, TPid, WS)
info_peer(_, _, _) ->
[].
+info_process_info(Info) ->
+ lists:flatmap(fun ipi/1, Info).
+
+ipi({watchdog, {Pid, _, _}}) ->
+ info_pid(Pid);
+
+ipi({peer, {Pid, _}}) ->
+ info_pid(Pid);
+
+ipi({port, [{owner, Pid} | _]}) ->
+ info_pid(Pid);
+
+ipi(_) ->
+ [].
+
+info_pid(Pid) ->
+ case process_info(Pid, [message_queue_len, memory, binary]) of
+ undefined ->
+ [];
+ L ->
+ [{Pid, lists:map(fun({K,V}) -> {K, map_info(K,V)} end, L)}]
+ end.
+
+%% The binary list consists of 3-tuples {Ptr, Size, Count}, where Ptr
+%% is a C pointer value, Size is the size of a referenced binary in
+%% bytes, and Count is a global reference count. The same Ptr can
+%% occur multiple times, once for each reference on the process heap.
+%% In this case, the corresponding tuples will have Size in common but
+%% Count may differ just because no global lock is taken when the
+%% value is retrieved.
+%%
+%% The list can be quite large, and we aren't often interested in the
+%% pointers or counts, so whittle this down to the number of binaries
+%% referenced and their total byte count.
+map_info(binary, L) ->
+ SzD = lists:foldl(fun({P,S,_}, D) -> dict:store(P,S,D) end,
+ dict:new(),
+ L),
+ {dict:size(SzD), dict:fold(fun(_,S,N) -> S + N end, 0, SzD)};
+
+map_info(_, T) ->
+ T.
+
%% The point of extracting the config here is so that 'transport' info
%% has one entry for each transport ref, the peer table only
%% containing entries that have a living watchdog.
@@ -1819,6 +1863,13 @@ mk_app(#diameter_app{} = A) ->
info_pending(#state{} = S) ->
diameter_traffic:pending(transports(S)).
+%% info_info/1
+%%
+%% Extract process_info from connections info.
+
+info_info(S) ->
+ [I || L <- conn_list(S), {info, I} <- L].
+
%% info_connections/1
%%
%% One entry per transport connection. Statistics for each entry are