%% Test cases
-export(
[ t_full_cycle/1
+ , t_deltas_gc/1
]).
-define(GROUP, beam_stats_consumer_statsd).
groups() ->
Tests =
[ t_full_cycle
+ , t_deltas_gc
],
Properties = [],
[{?GROUP, Properties, Tests}].
%% Test cases
%% ============================================================================
+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(),
- BEAMStatsComputed = beam_stats_state:export(beam_stats_state:new()),
- ct:log("BEAMStatsExpected: ~p~n", [BEAMStatsExpected]),
- ct:log("BEAMStatsComputed: ~p~n", [BEAMStatsComputed]),
- BEAMStatsExpected = BEAMStatsComputed,
+ _BEAMStatsExpected = meck_expect_beam_stats(),
{ok,[hope,beam_stats]} = application:ensure_all_started(beam_stats),
ct:log("beam_stats started~n"),
[ {io_bytes_in , 6}
, {io_bytes_out , 14}
, {context_switches , 10}
+ , {reductions , 18}
]
),
ct:log("meck_expect_beam_stats ok~n"),
, <<"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 =
true = lists:member(Expected, Received),
Received -- [Expected]
end,
- [] = lists:foldl(RemoveExpectedFromReceived, MsgsReceived, MsgsExpected),
+ MsgsRemaining = lists:foldl(RemoveExpectedFromReceived, MsgsReceived, MsgsExpected),
+ ct:log("MsgsRemaining: ~p", [MsgsRemaining]),
+ [] = MsgsRemaining,
meck:unload(beam_stats_source).
meck_expect_beam_stats() ->
IOBytesIn = hope_kv_list:get(Overrides, io_bytes_in , 3),
IOBytesOut = hope_kv_list:get(Overrides, io_bytes_out, 7),
ContextSwitches = hope_kv_list:get(Overrides, context_switches, 5),
+ Reductions = hope_kv_list:get(Overrides, reductions, 9),
Pid0 = list_to_pid("<0.0.0>"),
Pid1 = list_to_pid("<0.1.0>"),
Pid2 = list_to_pid("<0.2.0>"),
, size = 8
, memory = 64
},
+ meck:expect(beam_stats_source, erlang_is_process_alive,
+ fun (_) -> true end),
meck:expect(beam_stats_source, erlang_memory,
fun () -> [{mem_type_foo, 1}, {mem_type_bar, 2}, {mem_type_baz, 3}] end),
meck:expect(beam_stats_source, erlang_node,
meck:expect(beam_stats_source, erlang_statistics,
fun (io ) -> {{input, IOBytesIn}, {output, IOBytesOut}}
; (context_switches) -> {ContextSwitches, 0}
- ; (reductions ) -> {0, 9} % 1st element is unused
+ ; (reductions ) -> {Reductions, undefined} % 2nd element is unused
; (run_queue ) -> 17
end
),
; total_heap_size -> {K, 25}
; stack_size -> {K, 10}
; message_queue_len -> {K, 0}
+ ; reductions -> {K, 1}
end
; (P, K) when P == Pid2 ->
case K
; total_heap_size -> {K, 35}
; stack_size -> {K, 40}
; message_queue_len -> {K, 5}
+ ; reductions -> {K, 2}
end
; (P, K) when P == Pid3 ->
Dict =
; total_heap_size -> {K, 35}
; stack_size -> {K, 40}
; message_queue_len -> {K, 1}
+ ; reductions -> {K, 3}
end
; (P, K) when P == Pid4 ->
Dict =
; total_heap_size -> {K, 10}
; stack_size -> {K, 15}
; message_queue_len -> {K, 0}
+ ; reductions -> {K, 4}
end
end
),