-export(
[ of_beam_stats/1
+ , of_beam_stats/2
, to_bin/1
+ , path_to_bin/1
+ , add_path_prefix/2
+ , node_id_to_bin/1
]).
-define(T, #?MODULE).
{ timestamp = Timestamp
, node_id = _
, memory = Memory
- % TODO: Handle the rest of data points
, io_bytes_in = IOBytesIn
, io_bytes_out = IOBytesOut
, context_switches = ContextSwitches
, timestamp = Timestamp
}
) ->
- PathBin = bin_join(Path, <<".">>),
+ PathBin = path_to_bin(Path),
ValueBin = integer_to_binary(Value),
TimestampInt = timestamp_to_integer(Timestamp),
TimestampBin = integer_to_binary(TimestampInt),
<<PathBin/binary, " ", ValueBin/binary, " ", TimestampBin/binary>>.
+-spec add_path_prefix(t(), binary()) ->
+ t().
+add_path_prefix(?T{path=Path}=T, <<Prefix/binary>>) ->
+ T?T{path = [Prefix | Path]}.
+
+-spec path_to_bin([binary()]) ->
+ binary().
+path_to_bin(Path) ->
+ bin_join(Path, <<".">>).
+
+-spec node_id_to_bin(node()) ->
+ binary().
+node_id_to_bin(NodeID) ->
+ NodeIDBin = atom_to_binary(NodeID, utf8),
+ re:replace(NodeIDBin, "[\@\.]", "_", [global, {return, binary}]).
+
%% ============================================================================
%% Helpers
%% ============================================================================
end,
lists:map(ComponentToMessage, Memory).
--spec of_ets(beam_stats_ets_table:t(), binary(), erlang:timestamp()) ->
+-spec of_ets(beam_stats_ets:t(), binary(), erlang:timestamp()) ->
[t()].
of_ets(PerTableStats, <<NodeID/binary>>, Timestamp) ->
OfEtsTable = fun (Table) -> of_ets_table(Table, NodeID, Timestamp) end,
OfProcess = fun (P) -> of_process(P, NodeID, Timestamp) end,
PerProcessMsgsNested = lists:map(OfProcess, Processes),
PerProcessMsgsFlattened = lists:append(PerProcessMsgsNested),
+ PerProcessMsgsAggregates = aggregate_by_path(PerProcessMsgsFlattened, Timestamp),
Ts = Timestamp,
N = NodeID,
[ cons([N, <<"processes_count_all">> ], CountAll , Ts)
, cons([N, <<"processes_count_running">> ], CountRunning , Ts)
, cons([N, <<"processes_count_suspended">> ], CountSuspended , Ts)
, cons([N, <<"processes_count_waiting">> ], CountWaiting , Ts)
- | PerProcessMsgsFlattened
+ | PerProcessMsgsAggregates
].
-spec of_process(beam_stats_process:t(), binary(), erlang:timestamp()) ->
[t()].
of_process(
#beam_stats_process
- { pid = Pid
+ { pid = _
, memory = Memory
, total_heap_size = TotalHeapSize
, stack_size = StackSize
) ->
Origin = beam_stats_process:get_best_known_origin(Process),
OriginBin = proc_origin_to_bin(Origin),
- PidBin = pid_to_bin(Pid),
- OriginAndPid = [OriginBin, PidBin],
Ts = Timestamp,
N = NodeID,
- [ cons([N, <<"process_memory">> , OriginAndPid], Memory , Ts)
- , cons([N, <<"process_total_heap_size">> , OriginAndPid], TotalHeapSize , Ts)
- , cons([N, <<"process_stack_size">> , OriginAndPid], StackSize , Ts)
- , cons([N, <<"process_message_queue_len">> , OriginAndPid], MsgQueueLen , Ts)
+ [ cons([N, <<"process_memory">> , OriginBin], Memory , Ts)
+ , cons([N, <<"process_total_heap_size">> , OriginBin], TotalHeapSize , Ts)
+ , cons([N, <<"process_stack_size">> , OriginBin], StackSize , Ts)
+ , cons([N, <<"process_message_queue_len">> , OriginBin], MsgQueueLen , Ts)
].
+-spec aggregate_by_path([t()], erlang:timestamp()) ->
+ [t()].
+aggregate_by_path(Msgs, Timestamp) ->
+ Aggregate =
+ fun (?T{path=K, value=V}, ValsByPath) ->
+ dict:update_counter(K, V, ValsByPath)
+ end,
+ ValsByPathDict = lists:foldl(Aggregate, dict:new(), Msgs),
+ ValsByPathList = dict:to_list(ValsByPathDict),
+ [cons(Path, Value, Timestamp) || {Path, Value} <- ValsByPathList].
+
-spec proc_origin_to_bin(beam_stats_process:best_known_origin()) ->
binary().
proc_origin_to_bin({registered_name, Name}) ->
- atom_to_binary(Name, utf8);
+ NameBin = atom_to_binary(Name, utf8),
+ <<"named--", NameBin/binary>>;
proc_origin_to_bin({ancestry, Ancestry}) ->
#beam_stats_process_ancestry
{ raw_initial_call = InitCallRaw
AncestorsBinOpt = hope_option:map(AncestorsOpt , fun ancestors_to_bin/1),
AncestorsBin = hope_option:get(AncestorsBinOpt , Blank),
InitCallRawBin = mfa_to_bin(InitCallRaw),
- << InitCallRawBin/binary
+ << "spawned-via--"
+ , InitCallRawBin/binary
, "--"
, InitCallOTPBin/binary
, "--"
, value = Value
, timestamp = Timestamp
}.
-
--spec node_id_to_bin(node()) ->
- binary().
-node_id_to_bin(NodeID) ->
- NodeIDBin = atom_to_binary(NodeID, utf8),
- re:replace(NodeIDBin, "[\@\.]", "_", [global, {return, binary}]).