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authorSverker Eriksson <[email protected]>2017-08-30 20:55:08 +0200
committerSverker Eriksson <[email protected]>2017-08-30 20:55:08 +0200
commit7c67bbddb53c364086f66260701bc54a61c9659c (patch)
tree92ab0d4b91d5e2f6e7a3f9d61ea25089e8a71fe0 /erts/emulator/test/gc_SUITE.erl
parent97dc5e7f396129222419811c173edc7fa767b0f8 (diff)
parent3b7a6ffddc819bf305353a593904cea9e932e7dc (diff)
downloadotp-7c67bbddb53c364086f66260701bc54a61c9659c.tar.gz
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Merge tag 'OTP-19.0' into sverker/19/binary_to_atom-utf8-crash/ERL-474/OTP-14590
Diffstat (limited to 'erts/emulator/test/gc_SUITE.erl')
-rw-r--r--erts/emulator/test/gc_SUITE.erl113
1 files changed, 60 insertions, 53 deletions
diff --git a/erts/emulator/test/gc_SUITE.erl b/erts/emulator/test/gc_SUITE.erl
index 36889b6c36..8a600b7d9f 100644
--- a/erts/emulator/test/gc_SUITE.erl
+++ b/erts/emulator/test/gc_SUITE.erl
@@ -1,18 +1,19 @@
%%
%% %CopyrightBegin%
%%
-%% Copyright Ericsson AB 1997-2013. All Rights Reserved.
+%% Copyright Ericsson AB 1997-2016. 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
-%% compliance with the License. You should have received a copy of the
-%% Erlang Public License along with this software. If not, it can be
-%% retrieved online at http://www.erlang.org/.
-%%
-%% Software distributed under the License is distributed on an "AS IS"
-%% basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See
-%% the License for the specific language governing rights and limitations
-%% under the License.
+%% Licensed under the Apache License, Version 2.0 (the "License");
+%% you may not use this file except in compliance with the License.
+%% You may obtain a copy of the License at
+%%
+%% http://www.apache.org/licenses/LICENSE-2.0
+%%
+%% Unless required by applicable law or agreed to in writing, software
+%% distributed under the License is distributed on an "AS IS" BASIS,
+%% WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+%% See the License for the specific language governing permissions and
+%% limitations under the License.
%%
%% %CopyrightEnd%
%%
@@ -21,45 +22,27 @@
-module(gc_SUITE).
--include_lib("test_server/include/test_server.hrl").
--export([all/0, suite/0,groups/0,init_per_suite/1, end_per_suite/1,
- init_per_group/2,end_per_group/2]).
+-include_lib("common_test/include/ct.hrl").
+-export([all/0, suite/0]).
--define(default_timeout, ?t:minutes(10)).
+-export([grow_heap/1, grow_stack/1, grow_stack_heap/1, max_heap_size/1]).
--export([grow_heap/1, grow_stack/1, grow_stack_heap/1]).
-
-suite() -> [{ct_hooks,[ts_install_cth]}].
+suite() ->
+ [{ct_hooks,[ts_install_cth]}].
all() ->
- [grow_heap, grow_stack, grow_stack_heap].
-
-groups() ->
- [].
-
-init_per_suite(Config) ->
- Config.
-
-end_per_suite(_Config) ->
- ok.
-
-init_per_group(_GroupName, Config) ->
- Config.
-
-end_per_group(_GroupName, Config) ->
- Config.
+ [grow_heap, grow_stack, grow_stack_heap, max_heap_size].
-grow_heap(doc) -> ["Produce a growing list of elements, ",
- "for X calls, then drop one item per call",
- "until the list is empty."];
+%% Produce a growing list of elements,
+%% for X calls, then drop one item per call
+%% until the list is empty.
grow_heap(Config) when is_list(Config) ->
- Dog = test_server:timetrap(test_server:minutes(40)),
+ ct:timetrap({minutes, 40}),
ok = grow_heap1(256),
ok = grow_heap1(512),
ok = grow_heap1(1024),
ok = grow_heap1(2048),
- test_server:timetrap_cancel(Dog),
ok.
grow_heap1(Len) ->
@@ -77,7 +60,7 @@ grow_heap1(List, MaxLen, CurLen, up) ->
grow_heap1([], _MaxLen, _, down) ->
ok;
grow_heap1([_|List], MaxLen, CurLen, down) ->
- {_,_,C} = erlang:now(),
+ C=erlang:unique_integer([positive]),
Num = C rem (length(List))+1,
Elem = lists:nth(Num, List),
NewList = lists:delete(Elem, List),
@@ -85,14 +68,13 @@ grow_heap1([_|List], MaxLen, CurLen, down) ->
-grow_stack(doc) -> ["Increase and decrease stack size, and ",
- "drop off some garbage from time to time."];
+%% Increase and decrease stack size, and
+%% drop off some garbage from time to time.
grow_stack(Config) when is_list(Config) ->
- Dog = test_server:timetrap(test_server:minutes(80)),
+ ct:timetrap({minutes, 80}),
show_heap("before:"),
grow_stack1(200, 0),
show_heap("after:"),
- test_server:timetrap_cancel(Dog),
ok.
grow_stack1(0, _) ->
@@ -109,14 +91,12 @@ grow_stack1(Recs, CurRecs) ->
%% Let's see how BEAM handles this one...
-grow_stack_heap(doc) -> ["While growing the heap, bounces the size ",
- "of the stack, and while reducing the heap",
- "bounces the stack usage."];
+%% While growing the heap, bounces the size of the
+%% stack, and while reducing the heap, bounces the stack usage.
grow_stack_heap(Config) when is_list(Config) ->
- Dog = test_server:timetrap(test_server:minutes(40)),
+ ct:timetrap({minutes, 40}),
grow_stack_heap1(16),
grow_stack_heap1(32),
- test_server:timetrap_cancel(Dog),
ok.
grow_stack_heap1(MaxLen) ->
@@ -136,7 +116,7 @@ grow_stack_heap1(List, MaxLen, CurLen, up) ->
grow_stack_heap1([], _MaxLen, _, down) -> ok;
grow_stack_heap1([_|List], MaxLen, CurLen, down) ->
grow_stack1(CurLen*2,0),
- {_,_,C}=erlang:now(),
+ C=erlang:unique_integer([positive]),
Num=C rem (length(List))+1,
Elem=lists:nth(Num, List),
NewList=lists:delete(Elem, List),
@@ -146,8 +126,8 @@ grow_stack_heap1([_|List], MaxLen, CurLen, down) ->
%% Create an arbitrary element/term.
make_arbit() ->
- {AA,BB,CC}=erlang:now(),
- A=AA+1, B=BB+1, C=CC+1,
+ {AA,BB,CC}=erlang:timestamp(),
+ A=AA+1, B=BB+1, C=(CC+erlang:unique_integer([positive])) rem 1000000 + 1,
New =
case C rem 9 of
0 -> make_string((B div C) +5);
@@ -171,7 +151,7 @@ make_string(Length) ->
make_string(_, 0, Acc) ->
Acc;
make_string(Alph, Length, Acc) ->
- {_,_,C}=erlang:now(),
+ C=erlang:unique_integer([positive]),
Pos=1+(Length*C rem length(Alph)),
make_string(Alph, Length-1,
[lists:nth(Pos,Alph)|Acc]).
@@ -183,3 +163,30 @@ show_heap(String) ->
{stack_size, SSize}=process_info(self(), stack_size),
io:format("Heap/Stack "++String++"~p/~p", [HSize, SSize]).
+%% Test that doing a remote GC that triggers the max heap size
+%% kills the process.
+max_heap_size(_Config) ->
+
+ Pid = spawn_opt(fun long_receive/0,[{max_heap_size, 1024},
+ {message_queue_data, on_heap}]),
+ [Pid ! lists:duplicate(I,I) || I <- lists:seq(1,100)],
+ Ref = erlang:monitor(process, Pid),
+
+ %% Force messages to be viewed as part of heap
+ erlang:process_info(Pid, messages),
+
+ %% Do the GC that triggers max heap
+ erlang:garbage_collect(Pid),
+
+ %% Verify that max heap was triggered
+ receive
+ {'DOWN', Ref, process, Pid, killed} -> ok
+ after 5000 ->
+ ct:fail({process_did_not_die, Pid, erlang:process_info(Pid)})
+ end.
+
+long_receive() ->
+ receive
+ after 10000 ->
+ ok
+ end.