-module(beam_stats_consumer_statsd).
-include("include/beam_stats.hrl").
+-include("include/beam_stats_ets_table.hrl").
-include("beam_stats_logging.hrl").
-behaviour(beam_stats_consumer).
| {dst_host , inet:ip_address() | inet:hostname()}
| {dst_port , inet:port_number()}
| {src_port , inet:port_number()}
+ | {num_msgs_per_packet , non_neg_integer()}
.
-define(DEFAULT_DST_HOST, "localhost").
, dst_host :: inet:ip_address() | inet:hostname()
, dst_port :: inet:port_number()
, src_port :: inet:port_number()
+ , num_msgs_per_packet :: non_neg_integer()
}).
-type state() ::
DstHost = hope_kv_list:get(Options, dst_host, ?DEFAULT_DST_HOST),
DstPort = hope_kv_list:get(Options, dst_port, ?DEFAULT_DST_PORT),
SrcPort = hope_kv_list:get(Options, src_port, ?DEFAULT_SRC_PORT),
+ NumMsgsPerPacket = hope_kv_list:get(Options, num_msgs_per_packet, 10),
State = #state
{ sock = none
, dst_host = DstHost
, dst_port = DstPort
, src_port = SrcPort
+ , num_msgs_per_packet = NumMsgsPerPacket
},
{ConsumptionInterval, State}.
-spec consume(beam_stats_consumer:queue(), state()) ->
state().
-consume(Q, #state{}=State1) ->
- Payload = beam_stats_queue_to_binary(Q),
- State2 = try_to_connect_if_no_socket(State1),
- try_to_send(State2, Payload).
+consume(Q, #state{num_msgs_per_packet=NumMsgsPerPacket}=State) ->
+ Packets = beam_stats_queue_to_packets(Q, NumMsgsPerPacket),
+ lists:foldl(fun try_to_connect_and_send/2, State, Packets).
-spec terminate(state()) ->
{}.
%% Transport
%% ============================================================================
+-spec try_to_connect_and_send(binary(), state()) ->
+ state().
+try_to_connect_and_send(<<Payload/binary>>, #state{}=State1) ->
+ State2 = try_to_connect_if_no_socket(State1),
+ try_to_send(State2, Payload).
+
-spec try_to_send(state(), binary()) ->
state().
try_to_send(#state{sock=none}=State, _) ->
%% Serialization
%% ============================================================================
--spec beam_stats_queue_to_binary(beam_stats_consumer:queue()) ->
- binary().
-beam_stats_queue_to_binary(Q) ->
- iolist_to_binary([beam_stats_to_bins(B) || B <- queue:to_list(Q)]).
+-spec beam_stats_queue_to_packets(beam_stats_consumer:queue(), non_neg_integer()) ->
+ [binary()].
+beam_stats_queue_to_packets(Q, NumMsgsPerPacket) ->
+ MsgBins = lists:append([beam_stats_to_bins(B) || B <- queue:to_list(Q)]),
+ MsgBinsChucks = hope_list:divide(MsgBins, NumMsgsPerPacket),
+ lists:map(fun erlang:iolist_to_binary/1, MsgBinsChucks).
-spec beam_stats_to_bins(beam_stats:t()) ->
[binary()].
, io_bytes_in = IOBytesIn
, io_bytes_out = IOBytesOut
, context_switches = ContextSwitches
+ , reductions = Reductions
+ , run_queue = RunQueue
+ , ets = ETS
}
) ->
NodeIDBin = node_id_to_bin(NodeID),
[ io_bytes_in_to_msg(IOBytesIn)
, io_bytes_out_to_msg(IOBytesOut)
, context_switches_to_msg(ContextSwitches)
+ , reductions_to_msg(Reductions)
+ , run_queue_to_msg(RunQueue)
| memory_to_msgs(Memory)
- ],
+ ]
+ ++ ets_to_msgs(ETS),
Msgs2 = [statsd_msg_add_name_prefix(M, NodeIDBin) || M <- Msgs1],
[statsd_msg_to_bin(M) || M <- Msgs2].
+-spec run_queue_to_msg(non_neg_integer()) ->
+ statsd_msg().
+run_queue_to_msg(RunQueue) ->
+ #statsd_msg
+ { name = <<"run_queue">>
+ , value = RunQueue
+ , type = gauge
+ }.
+
+-spec reductions_to_msg(non_neg_integer()) ->
+ statsd_msg().
+reductions_to_msg(Reductions) ->
+ #statsd_msg
+ { name = <<"reductions">>
+ , value = Reductions
+ , type = gauge
+ }.
+
-spec context_switches_to_msg(non_neg_integer()) ->
statsd_msg().
context_switches_to_msg(ContextSwitches) ->
, type = gauge
}.
+-spec ets_to_msgs(beam_stats_ets:t()) ->
+ [statsd_msg()].
+ets_to_msgs(PerTableStats) ->
+ NestedMsgs = lists:map(fun ets_table_to_msgs/1, PerTableStats),
+ lists:append(NestedMsgs).
+
+-spec ets_table_to_msgs(beam_stats_ets_table:t()) ->
+ [statsd_msg()].
+ets_table_to_msgs(#beam_stats_ets_table
+ { id = ID
+ , name = Name
+ , size = Size
+ , memory = Memory
+ }
+) ->
+ IDBin = beam_stats_ets_table:id_to_bin(ID),
+ NameBin = atom_to_binary(Name, latin1),
+ NameAndID = <<NameBin/binary, ".", IDBin/binary>>,
+ SizeMsg =
+ #statsd_msg
+ { name = <<"ets_table.size.", NameAndID/binary>>
+ , value = Size
+ , type = gauge
+ },
+ MemoryMsg =
+ #statsd_msg
+ { name = <<"ets_table.memory.", NameAndID/binary>>
+ , value = Memory
+ , type = gauge
+ },
+ [SizeMsg, MemoryMsg].
+
-spec memory_to_msgs([{atom(), non_neg_integer()}]) ->
[statsd_msg()].
memory_to_msgs(Memory) ->