+%% ============================================================================
+
+t_deltas_gc(_Cfg) ->
+ Pid1 = list_to_pid("<0.101.0>"),
+ Pid2 = list_to_pid("<0.102.0>"),
+ Pid3 = list_to_pid("<0.103.0>"),
+ meck:new(beam_stats_source),
+ meck:expect(beam_stats_source, erlang_process_info,
+ fun (P, reductions) when P == Pid1 -> {reductions, 1}
+ ; (P, reductions) when P == Pid2 -> {reductions, 2}
+ ; (P, reductions) when P == Pid3 -> {reductions, 3}
+ end
+ ),
+ DeltasServer = beam_stats_delta:start(),
+ {some, 1} = beam_stats_delta:of_process_info_reductions(DeltasServer, Pid1),
+ {some, 2} = beam_stats_delta:of_process_info_reductions(DeltasServer, Pid2),
+ {some, 3} = beam_stats_delta:of_process_info_reductions(DeltasServer, Pid3),
+ {some, 0} = beam_stats_delta:of_process_info_reductions(DeltasServer, Pid1),
+ {some, 0} = beam_stats_delta:of_process_info_reductions(DeltasServer, Pid2),
+ {some, 0} = beam_stats_delta:of_process_info_reductions(DeltasServer, Pid3),
+ meck:expect(beam_stats_source, erlang_is_process_alive, fun (_) -> false end),
+ {} = beam_stats_delta:gc(DeltasServer),
+ {some, 1} = beam_stats_delta:of_process_info_reductions(DeltasServer, Pid1),
+ {some, 2} = beam_stats_delta:of_process_info_reductions(DeltasServer, Pid2),
+ {some, 3} = beam_stats_delta:of_process_info_reductions(DeltasServer, Pid3),
+ {} = beam_stats_delta:stop(DeltasServer),
+ meck:unload(beam_stats_source).
+
+t_full_cycle(_Cfg) ->
+ meck:new(beam_stats_source),
+ _BEAMStatsExpected = meck_expect_beam_stats(),
+
+ {ok,[hope,beam_stats]} = application:ensure_all_started(beam_stats),
+ ct:log("beam_stats started~n"),
+ ServerPort = 8125,
+ {ok, ServerSocket} = gen_udp:open(ServerPort, [binary, {active, false}]),
+ ct:log("UDP server started started~n"),
+ {ok, _} = beam_stats_consumer:add(beam_stats_consumer_statsd,
+ [ {consumption_interval , 60000}
+ , {dst_host , "localhost"}
+ , {dst_port , ServerPort}
+ , {src_port , 8124}
+ , {num_msgs_per_packet , 10}
+ ]
+ ),
+ ct:log("consumer added~n"),
+ _ = meck_expect_beam_stats(
+ % Double the original values, so that deltas will equal originals after
+ % 1 update of new beam_stats_state:t()
+ [ {io_bytes_in , 6}
+ , {io_bytes_out , 14}
+ , {context_switches , 10}
+ , {reductions , 18}
+ ]
+ ),
+ ct:log("meck_expect_beam_stats ok~n"),
+ {} = beam_stats_producer:sync_produce_consume(),
+ ct:log("produced and consumed~n"),
+ ok = application:stop(beam_stats),
+ ct:log("beam_stats stopped~n"),
+
+ ResultOfReceive1 = gen_udp:recv(ServerSocket, 0),
+ ResultOfReceive2 = gen_udp:recv(ServerSocket, 0),
+ ResultOfReceive3 = gen_udp:recv(ServerSocket, 0),
+ ResultOfReceive4 = gen_udp:recv(ServerSocket, 0),
+ ok = gen_udp:close(ServerSocket),
+ {ok, {_, _, PacketReceived1}} = ResultOfReceive1,
+ {ok, {_, _, PacketReceived2}} = ResultOfReceive2,
+ {ok, {_, _, PacketReceived3}} = ResultOfReceive3,
+ {ok, {_, _, PacketReceived4}} = ResultOfReceive4,
+ ct:log("PacketReceived1: ~n~s~n", [PacketReceived1]),
+ ct:log("PacketReceived2: ~n~s~n", [PacketReceived2]),
+ ct:log("PacketReceived3: ~n~s~n", [PacketReceived3]),
+ ct:log("PacketReceived4: ~n~s~n", [PacketReceived4]),
+ PacketsCombined =
+ << PacketReceived1/binary
+ , PacketReceived2/binary
+ , PacketReceived3/binary
+ , PacketReceived4/binary
+ >>,
+ ct:log("PacketsCombined: ~n~s~n", [PacketsCombined]),
+ MsgsExpected =
+ [ <<"beam_stats_v0.node_foo_host_bar.io.bytes_in:3|g">>
+ , <<"beam_stats_v0.node_foo_host_bar.io.bytes_out:7|g">>
+ , <<"beam_stats_v0.node_foo_host_bar.context_switches:5|g">>
+ , <<"beam_stats_v0.node_foo_host_bar.reductions:9|g">>
+ , <<"beam_stats_v0.node_foo_host_bar.run_queue:17|g">>
+ , <<"beam_stats_v0.node_foo_host_bar.memory.mem_type_foo:1|g">>
+ , <<"beam_stats_v0.node_foo_host_bar.memory.mem_type_bar:2|g">>
+ , <<"beam_stats_v0.node_foo_host_bar.memory.mem_type_baz:3|g">>
+ , <<"beam_stats_v0.node_foo_host_bar.ets_table.size.foo.NAMED:5|g">>
+ , <<"beam_stats_v0.node_foo_host_bar.ets_table.memory.foo.NAMED:40|g">>
+ , <<"beam_stats_v0.node_foo_host_bar.ets_table.size.bar.TID:16|g">>
+ , <<"beam_stats_v0.node_foo_host_bar.ets_table.memory.bar.TID:128|g">>
+
+ % Processes totals
+ , <<"beam_stats_v0.node_foo_host_bar.processes_count_all:4|g">>
+ , <<"beam_stats_v0.node_foo_host_bar.processes_count_exiting:0|g">>
+ , <<"beam_stats_v0.node_foo_host_bar.processes_count_garbage_collecting:0|g">>
+ , <<"beam_stats_v0.node_foo_host_bar.processes_count_registered:1|g">>
+ , <<"beam_stats_v0.node_foo_host_bar.processes_count_runnable:0|g">>
+ , <<"beam_stats_v0.node_foo_host_bar.processes_count_running:3|g">>
+ , <<"beam_stats_v0.node_foo_host_bar.processes_count_suspended:0|g">>
+ , <<"beam_stats_v0.node_foo_host_bar.processes_count_waiting:1|g">>
+
+ % Process 1
+ , <<"beam_stats_v0.node_foo_host_bar.process_memory.named--reg_name_foo:15|g">>
+ , <<"beam_stats_v0.node_foo_host_bar.process_total_heap_size.named--reg_name_foo:25|g">>
+ , <<"beam_stats_v0.node_foo_host_bar.process_stack_size.named--reg_name_foo:10|g">>
+ , <<"beam_stats_v0.node_foo_host_bar.process_message_queue_len.named--reg_name_foo:0|g">>
+ , <<"beam_stats_v0.node_foo_host_bar.process_reductions.named--reg_name_foo:0|g">>
+
+ % Process 2
+ , <<"beam_stats_v0.node_foo_host_bar.process_memory.spawned-via--bar_mod-bar_fun-1--NONE--NONE:25|g">>
+ , <<"beam_stats_v0.node_foo_host_bar.process_total_heap_size.spawned-via--bar_mod-bar_fun-1--NONE--NONE:35|g">>
+ , <<"beam_stats_v0.node_foo_host_bar.process_stack_size.spawned-via--bar_mod-bar_fun-1--NONE--NONE:40|g">>
+ , <<"beam_stats_v0.node_foo_host_bar.process_message_queue_len.spawned-via--bar_mod-bar_fun-1--NONE--NONE:5|g">>
+ , <<"beam_stats_v0.node_foo_host_bar.process_reductions.spawned-via--bar_mod-bar_fun-1--NONE--NONE:0|g">>
+
+ % Process 3 and 4, aggregated by origin
+ , <<"beam_stats_v0.node_foo_host_bar.process_memory.spawned-via--baz_mod-baz_fun-3--baz_otp_mod-baz_otp_fun-2--PID-PID:30|g">>
+ , <<"beam_stats_v0.node_foo_host_bar.process_total_heap_size.spawned-via--baz_mod-baz_fun-3--baz_otp_mod-baz_otp_fun-2--PID-PID:45|g">>
+ , <<"beam_stats_v0.node_foo_host_bar.process_stack_size.spawned-via--baz_mod-baz_fun-3--baz_otp_mod-baz_otp_fun-2--PID-PID:55|g">>
+ , <<"beam_stats_v0.node_foo_host_bar.process_message_queue_len.spawned-via--baz_mod-baz_fun-3--baz_otp_mod-baz_otp_fun-2--PID-PID:1|g">>
+ , <<"beam_stats_v0.node_foo_host_bar.process_reductions.spawned-via--baz_mod-baz_fun-3--baz_otp_mod-baz_otp_fun-2--PID-PID:0|g">>
+ ],
+ MsgsReceived = binary:split(PacketsCombined, <<"\n">>, [global, trim]),
+ RemoveExpectedFromReceived =
+ fun (Expected, Received) ->
+ ct:log(
+ "Looking for expected msg ~p in remaining received ~p~n",
+ [Expected, Received]
+ ),
+ true = lists:member(Expected, Received),
+ Received -- [Expected]
+ end,
+ MsgsRemaining = lists:foldl(RemoveExpectedFromReceived, MsgsReceived, MsgsExpected),
+ ct:log("MsgsRemaining: ~p", [MsgsRemaining]),
+ [] = MsgsRemaining,
+ meck:unload(beam_stats_source).
+
+meck_expect_beam_stats() ->
+ meck_expect_beam_stats([]).