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-rw-r--r--lib/stdlib/test/supervisor_SUITE.erl57
1 files changed, 8 insertions, 49 deletions
diff --git a/lib/stdlib/test/supervisor_SUITE.erl b/lib/stdlib/test/supervisor_SUITE.erl
index ac5a34c3bc..836ea7c030 100644
--- a/lib/stdlib/test/supervisor_SUITE.erl
+++ b/lib/stdlib/test/supervisor_SUITE.erl
@@ -1,7 +1,7 @@
%%
%% %CopyrightBegin%
%%
-%% Copyright Ericsson AB 1996-2013. All Rights Reserved.
+%% Copyright Ericsson AB 1996-2014. All Rights Reserved.
%%
%% The contents of this file are subject to the Erlang Public License,
%% Version 1.1, (the "License"); you may not use this file except in
@@ -60,7 +60,7 @@
simple_one_for_one_extra/1, simple_one_for_one_shutdown/1]).
%% Misc tests
--export([child_unlink/1, tree/1, count_children_memory/1,
+-export([child_unlink/1, tree/1, count_children/1,
do_not_save_start_parameters_for_temporary_children/1,
do_not_save_child_specs_for_temporary_children/1,
simple_one_for_one_scale_many_temporary_children/1,
@@ -82,7 +82,7 @@ all() ->
{group, normal_termination},
{group, shutdown_termination},
{group, abnormal_termination}, child_unlink, tree,
- count_children_memory, do_not_save_start_parameters_for_temporary_children,
+ count_children, do_not_save_start_parameters_for_temporary_children,
do_not_save_child_specs_for_temporary_children,
simple_one_for_one_scale_many_temporary_children, temporary_bystander,
simple_global_supervisor, hanging_restart_loop, hanging_restart_loop_simple].
@@ -129,23 +129,10 @@ init_per_group(_GroupName, Config) ->
end_per_group(_GroupName, Config) ->
Config.
-init_per_testcase(count_children_memory, Config) ->
- try erlang:memory() of
- _ ->
- erts_debug:set_internal_state(available_internal_state, true),
- Dog = ?t:timetrap(?TIMEOUT),
- [{watchdog,Dog}|Config]
- catch error:notsup ->
- {skip, "+Meamin used during test; erlang:memory/1 not available"}
- end;
init_per_testcase(_Case, Config) ->
Dog = ?t:timetrap(?TIMEOUT),
[{watchdog,Dog}|Config].
-end_per_testcase(count_children_memory, Config) ->
- catch erts_debug:set_internal_state(available_internal_state, false),
- ?t:timetrap_cancel(?config(watchdog,Config)),
- ok;
end_per_testcase(_Case, Config) ->
?t:timetrap_cancel(?config(watchdog,Config)),
ok.
@@ -1249,34 +1236,24 @@ tree(Config) when is_list(Config) ->
[0,0,0,0] = get_child_counts(NewSup2).
%%-------------------------------------------------------------------------
-%% Test that count_children does not eat memory.
-count_children_memory(Config) when is_list(Config) ->
+%% Test count_children
+count_children(Config) when is_list(Config) ->
process_flag(trap_exit, true),
Child = {child, {supervisor_1, start_child, []}, temporary, 1000,
worker, []},
{ok, SupPid} = start_link({ok, {{simple_one_for_one, 2, 3600}, [Child]}}),
[supervisor:start_child(sup_test, []) || _Ignore <- lists:seq(1,1000)],
- garbage_collect(),
- _Size1 = proc_memory(),
Children = supervisor:which_children(sup_test),
- _Size2 = proc_memory(),
ChildCount = get_child_counts(sup_test),
- _Size3 = proc_memory(),
[supervisor:start_child(sup_test, []) || _Ignore2 <- lists:seq(1,1000)],
- garbage_collect(),
- Children2 = supervisor:which_children(sup_test),
- Size4 = proc_memory(),
ChildCount2 = get_child_counts(sup_test),
- Size5 = proc_memory(),
+ Children2 = supervisor:which_children(sup_test),
- garbage_collect(),
- Children3 = supervisor:which_children(sup_test),
- Size6 = proc_memory(),
ChildCount3 = get_child_counts(sup_test),
- Size7 = proc_memory(),
+ Children3 = supervisor:which_children(sup_test),
1000 = length(Children),
[1,1000,0,1000] = ChildCount,
@@ -1285,27 +1262,9 @@ count_children_memory(Config) when is_list(Config) ->
Children3 = Children2,
ChildCount3 = ChildCount2,
- %% count_children consumes memory using an accumulator function,
- %% but the space can be reclaimed incrementally,
- %% which_children may generate garbage that will be reclaimed later.
- case (Size5 =< Size4) of
- true -> ok;
- false ->
- test_server:fail({count_children, used_more_memory,Size4,Size5})
- end,
- case Size7 =< Size6 of
- true -> ok;
- false ->
- test_server:fail({count_children, used_more_memory,Size6,Size7})
- end,
-
[terminate(SupPid, Pid, child, kill) || {undefined, Pid, worker, _Modules} <- Children3],
[1,0,0,0] = get_child_counts(sup_test).
-proc_memory() ->
- erts_debug:set_internal_state(wait, deallocations),
- erlang:memory(processes_used).
-
%%-------------------------------------------------------------------------
%% Temporary children shall not be restarted so they should not save
%% start parameters, as it potentially can take up a huge amount of
@@ -1483,7 +1442,7 @@ simple_one_for_one_scale_many_temporary_children(_Config) ->
if T1 > 0 ->
Scaling = T2 div T1,
- if Scaling > 20 ->
+ if Scaling > 50 ->
%% The scaling shoul be linear (i.e.10, really), but we
%% give some extra here to avoid failing the test
%% unecessarily.