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-rw-r--r--erts/emulator/test/Makefile2
-rw-r--r--erts/emulator/test/big_SUITE.erl15
-rw-r--r--erts/emulator/test/binary_SUITE.erl41
-rw-r--r--erts/emulator/test/bs_match_misc_SUITE.erl14
-rw-r--r--erts/emulator/test/bs_utf_SUITE.erl12
-rw-r--r--erts/emulator/test/call_trace_SUITE.erl26
-rw-r--r--erts/emulator/test/code_SUITE.erl164
-rw-r--r--erts/emulator/test/code_SUITE_data/fun_confusion.erl31
-rw-r--r--erts/emulator/test/code_SUITE_data/literals.erl21
-rw-r--r--erts/emulator/test/distribution_SUITE.erl14
-rw-r--r--erts/emulator/test/driver_SUITE.erl156
-rw-r--r--erts/emulator/test/driver_SUITE_data/Makefile.src4
-rw-r--r--erts/emulator/test/driver_SUITE_data/async_blast_drv.c124
-rw-r--r--erts/emulator/test/driver_SUITE_data/thr_free_drv.c241
-rw-r--r--erts/emulator/test/exception_SUITE.erl246
-rw-r--r--erts/emulator/test/float_SUITE.erl126
-rw-r--r--erts/emulator/test/fun_r13_SUITE.erl (renamed from erts/emulator/test/fun_r12_SUITE.erl)10
-rw-r--r--erts/emulator/test/guard_SUITE.erl8
-rw-r--r--erts/emulator/test/mtx_SUITE.erl13
-rw-r--r--erts/emulator/test/nif_SUITE.erl56
-rw-r--r--erts/emulator/test/nif_SUITE_data/nif_SUITE.c36
-rw-r--r--erts/emulator/test/process_SUITE.erl99
-rw-r--r--erts/emulator/test/system_info_SUITE.erl313
-rw-r--r--erts/emulator/test/trace_local_SUITE.erl32
24 files changed, 1645 insertions, 159 deletions
diff --git a/erts/emulator/test/Makefile b/erts/emulator/test/Makefile
index 4d0c87bf12..08d2066da3 100644
--- a/erts/emulator/test/Makefile
+++ b/erts/emulator/test/Makefile
@@ -61,7 +61,7 @@ MODULES= \
exception_SUITE \
float_SUITE \
fun_SUITE \
- fun_r12_SUITE \
+ fun_r13_SUITE \
gc_SUITE \
guard_SUITE \
hash_SUITE \
diff --git a/erts/emulator/test/big_SUITE.erl b/erts/emulator/test/big_SUITE.erl
index 3487917677..413bd3bcae 100644
--- a/erts/emulator/test/big_SUITE.erl
+++ b/erts/emulator/test/big_SUITE.erl
@@ -26,7 +26,7 @@
shift_limit_1/1, powmod/1, system_limit/1, otp_6692/1]).
%% Internal exports.
--export([eval/1, funcall/2]).
+-export([eval/1]).
-export([init/3]).
-export([fac/1, fib/1, pow/2, gcd/2, lcm/2]).
@@ -162,12 +162,15 @@ multi_match([Node|Ns], Expr, Rs) ->
multi_match([], _, Rs) -> Rs.
eval(Expr) ->
- Fun = {?MODULE,funcall},
- {value,V,_} = erl_eval:expr(Expr, [], Fun), %Applied arithmetic BIFs.
- V = eval(Expr, Fun), %Real arithmetic instructions.
- V.
+ LFH = fun(Name, As) -> apply(?MODULE, Name, As) end,
+
+ %% Applied arithmetic BIFs.
+ {value,V,_} = erl_eval:expr(Expr, [], {value,LFH}),
-funcall(F, As) -> apply(?MODULE, F, As).
+ %% Real arithmetic instructions.
+ V = eval(Expr, LFH),
+
+ V.
%% Like a subset of erl_eval:expr/3, but uses real arithmetic instructions instead of
%% applying them (it does make a difference).
diff --git a/erts/emulator/test/binary_SUITE.erl b/erts/emulator/test/binary_SUITE.erl
index fed5854112..d9fc876482 100644
--- a/erts/emulator/test/binary_SUITE.erl
+++ b/erts/emulator/test/binary_SUITE.erl
@@ -33,7 +33,6 @@
%% erlang:external_size/1
%% size(Binary)
%% iolist_size/1
-%% concat_binary/1
%% split_binary/2
%% hash(Binary, N)
%% phash(Binary, N)
@@ -47,7 +46,7 @@
init_per_testcase/2, end_per_testcase/2,
copy_terms/1, conversions/1, deep_lists/1, deep_bitstr_lists/1,
bad_list_to_binary/1, bad_binary_to_list/1,
- t_split_binary/1, bad_split/1, t_concat_binary/1,
+ t_split_binary/1, bad_split/1,
terms/1, terms_float/1, external_size/1, t_iolist_size/1,
t_hash/1,
bad_size/1,
@@ -68,7 +67,7 @@ suite() -> [{ct_hooks,[ts_install_cth]},
all() ->
[copy_terms, conversions, deep_lists, deep_bitstr_lists,
- t_split_binary, bad_split, t_concat_binary,
+ t_split_binary, bad_split,
bad_list_to_binary, bad_binary_to_list, terms,
terms_float, external_size, t_iolist_size,
bad_binary_to_term_2, safe_binary_to_term2,
@@ -93,7 +92,6 @@ init_per_group(_GroupName, Config) ->
end_per_group(_GroupName, Config) ->
Config.
-
init_per_testcase(Func, Config) when is_atom(Func), is_list(Config) ->
Config.
@@ -381,41 +379,6 @@ bad_split(Config) when is_list(Config) ->
bad_split(Bin, Pos) ->
{'EXIT',{badarg,_}} = (catch split_binary(Bin, Pos)).
-%% Tests concat_binary/2 and size/1.
-
-t_concat_binary(suite) -> [];
-t_concat_binary(Config) when is_list(Config) ->
- test_concat([]),
-
- test_concat([[]]),
- test_concat([[], []]),
- test_concat([[], [], []]),
-
- test_concat([[1], []]),
- test_concat([[], [2]]),
- test_concat([[], [3], []]),
-
- test_concat([[1, 2, 3], [4, 5, 6, 7]]),
- test_concat([[1, 2, 3], [4, 5, 6, 7], [9, 10]]),
-
- test_concat([lists:seq(0, 255), lists:duplicate(1024, $@),
- lists:duplicate(2048, $a),
- lists:duplicate(4000, $b)]),
- ok.
-
-test_concat(Lists) ->
- test_concat(Lists, 0, [], []).
-
-test_concat([List|Rest], Size, Combined, Binaries) ->
- ?line Bin = list_to_binary(List),
- ?line test_concat(Rest, Size+length(List), Combined++List, [Bin|Binaries]);
-test_concat([], Size, Combined, Binaries0) ->
- ?line Binaries = lists:reverse(Binaries0),
- ?line Bin = concat_binary(Binaries),
- ?line Size = size(Bin),
- ?line Size = iolist_size(Bin),
- ?line Combined = binary_to_list(Bin).
-
t_hash(doc) -> "Test hash/2 with different type of binaries.";
t_hash(Config) when is_list(Config) ->
test_hash([]),
diff --git a/erts/emulator/test/bs_match_misc_SUITE.erl b/erts/emulator/test/bs_match_misc_SUITE.erl
index b022f96740..15427661f3 100644
--- a/erts/emulator/test/bs_match_misc_SUITE.erl
+++ b/erts/emulator/test/bs_match_misc_SUITE.erl
@@ -23,7 +23,7 @@
bound_var/1,bound_tail/1,t_float/1,little_float/1,sean/1,
kenneth/1,encode_binary/1,native/1,happi/1,
size_var/1,wiger/1,x0_context/1,huge_float_field/1,
- writable_binary_matched/1,otp_7198/1]).
+ writable_binary_matched/1,otp_7198/1,unordered_bindings/1]).
-include_lib("test_server/include/test_server.hrl").
@@ -33,7 +33,7 @@ all() ->
[bound_var, bound_tail, t_float, little_float, sean,
kenneth, encode_binary, native, happi, size_var, wiger,
x0_context, huge_float_field, writable_binary_matched,
- otp_7198].
+ otp_7198, unordered_bindings].
groups() ->
[].
@@ -553,5 +553,15 @@ otp_7198_scan(<<C, Rest/binary>>, TokAcc) when
otp_7198_scan(Rest, [{'KEYWORD', C} | TokAcc])
end.
+unordered_bindings(Config) when is_list(Config) ->
+ {<<1,2,3,4>>,<<42,42>>,<<3,3,3>>} =
+ unordered_bindings(4, 2, 3, <<1,2,3,4, 42,42, 3,3,3, 3>>),
+ ok.
+
+unordered_bindings(CompressedLength, HashSize, PadLength, T) ->
+ <<Content:CompressedLength/binary,Mac:HashSize/binary,
+ Padding:PadLength/binary,PadLength>> = T,
+ {Content,Mac,Padding}.
+
id(I) -> I.
diff --git a/erts/emulator/test/bs_utf_SUITE.erl b/erts/emulator/test/bs_utf_SUITE.erl
index 72c656c400..4ab7d674a6 100644
--- a/erts/emulator/test/bs_utf_SUITE.erl
+++ b/erts/emulator/test/bs_utf_SUITE.erl
@@ -64,8 +64,7 @@ end_per_group(_GroupName, Config) ->
utf8_roundtrip(Config) when is_list(Config) ->
?line utf8_roundtrip(0, 16#D7FF),
- ?line utf8_roundtrip(16#E000, 16#FFFD),
- ?line utf8_roundtrip(16#10000, 16#10FFFF),
+ ?line utf8_roundtrip(16#E000, 16#10FFFF),
ok.
utf8_roundtrip(First, Last) when First =< Last ->
@@ -91,8 +90,7 @@ utf16_roundtrip(Config) when is_list(Config) ->
do_utf16_roundtrip(Fun) ->
do_utf16_roundtrip(0, 16#D7FF, Fun),
- do_utf16_roundtrip(16#E000, 16#FFFD, Fun),
- do_utf16_roundtrip(16#10000, 16#10FFFF, Fun).
+ do_utf16_roundtrip(16#E000, 16#10FFFF, Fun).
do_utf16_roundtrip(First, Last, Fun) when First =< Last ->
Fun(First),
@@ -129,8 +127,7 @@ utf32_roundtrip(Config) when is_list(Config) ->
do_utf32_roundtrip(Fun) ->
do_utf32_roundtrip(0, 16#D7FF, Fun),
- do_utf32_roundtrip(16#E000, 16#FFFD, Fun),
- do_utf32_roundtrip(16#10000, 16#10FFFF, Fun).
+ do_utf32_roundtrip(16#E000, 16#10FFFF, Fun).
do_utf32_roundtrip(First, Last, Fun) when First =< Last ->
Fun(First),
@@ -158,7 +155,6 @@ utf32_little_roundtrip(Char) ->
utf8_illegal_sequences(Config) when is_list(Config) ->
?line fail_range(16#10FFFF+1, 16#10FFFF+512), %Too large.
?line fail_range(16#D800, 16#DFFF), %Reserved for UTF-16.
- ?line fail_range(16#FFFE, 16#FFFF), %Non-characters.
%% Illegal first character.
?line [fail(<<I,16#8F,16#8F,16#8F>>) || I <- lists:seq(16#80, 16#BF)],
@@ -251,7 +247,6 @@ fail_1(_) -> ok.
utf16_illegal_sequences(Config) when is_list(Config) ->
?line utf16_fail_range(16#10FFFF+1, 16#10FFFF+512), %Too large.
?line utf16_fail_range(16#D800, 16#DFFF), %Reserved for UTF-16.
- ?line utf16_fail_range(16#FFFE, 16#FFFF), %Non-characters.
?line lonely_hi_surrogate(16#D800, 16#DFFF),
?line leading_lo_surrogate(16#DC00, 16#DFFF),
@@ -300,7 +295,6 @@ leading_lo_surrogate(_, _, _) -> ok.
utf32_illegal_sequences(Config) when is_list(Config) ->
?line utf32_fail_range(16#10FFFF+1, 16#10FFFF+512), %Too large.
?line utf32_fail_range(16#D800, 16#DFFF), %Reserved for UTF-16.
- ?line utf32_fail_range(16#FFFE, 16#FFFF), %Non-characters.
?line utf32_fail_range(-100, -1),
ok.
diff --git a/erts/emulator/test/call_trace_SUITE.erl b/erts/emulator/test/call_trace_SUITE.erl
index 93fdc157f7..3e2bee06d1 100644
--- a/erts/emulator/test/call_trace_SUITE.erl
+++ b/erts/emulator/test/call_trace_SUITE.erl
@@ -934,6 +934,10 @@ exception_nocatch(Config) when is_list(Config) ->
exception_nocatch().
exception_nocatch() ->
+ Deep4LocThrow = get_deep_4_loc({throw,[42]}),
+ Deep4LocError = get_deep_4_loc({error,[42]}),
+ Deep4LocBadmatch = get_deep_4_loc({'=',[a,b]}),
+
Prog = [{'_',[],[{exception_trace}]}],
?line 1 = erlang:trace_pattern({?MODULE,deep_1,'_'}, Prog),
?line 1 = erlang:trace_pattern({?MODULE,deep_2,'_'}, Prog),
@@ -959,8 +963,9 @@ exception_nocatch() ->
{trace,t2,exception_from,{erlang,throw,1},
{error,{nocatch,Q2}}}],
exception_from, {error,{nocatch,Q2}}),
- ?line expect({trace,T2,exit,{{nocatch,Q2},[{erlang,throw,[Q2]},
- {?MODULE,deep_4,1}]}}),
+ ?line expect({trace,T2,exit,{{nocatch,Q2},[{erlang,throw,[Q2],[]},
+ {?MODULE,deep_4,1,
+ Deep4LocThrow}]}}),
?line Q3 = {dump,[dump,{dump}]},
?line T3 =
exception_nocatch(?LINE, error, [Q3], 4,
@@ -968,18 +973,29 @@ exception_nocatch() ->
{trace,t3,exception_from,{erlang,error,1},
{error,Q3}}],
exception_from, {error,Q3}),
- ?line expect({trace,T3,exit,{Q3,[{erlang,error,[Q3]},
- {?MODULE,deep_4,1}]}}),
+ ?line expect({trace,T3,exit,{Q3,[{erlang,error,[Q3],[]},
+ {?MODULE,deep_4,1,Deep4LocError}]}}),
?line T4 =
exception_nocatch(?LINE, '=', [17,4711], 5, [],
exception_from, {error,{badmatch,4711}}),
- ?line expect({trace,T4,exit,{{badmatch,4711},[{?MODULE,deep_4,1}]}}),
+ ?line expect({trace,T4,exit,{{badmatch,4711},
+ [{?MODULE,deep_4,1,Deep4LocBadmatch}]}}),
%%
?line erlang:trace_pattern({?MODULE,'_','_'}, false),
?line erlang:trace_pattern({erlang,'_','_'}, false),
?line expect(),
?line ok.
+get_deep_4_loc(Arg) ->
+ try
+ deep_4(Arg),
+ ?t:fail(should_not_return_to_here)
+ catch
+ _:_ ->
+ [{?MODULE,deep_4,1,Loc0}|_] = erlang:get_stacktrace(),
+ Loc0
+ end.
+
exception_nocatch(Line, B, Q, N, Extra, Tag, R) ->
?line io:format("== Subtest: ~w", [Line]),
?line Go = make_ref(),
diff --git a/erts/emulator/test/code_SUITE.erl b/erts/emulator/test/code_SUITE.erl
index 29cbdedd17..2f9b01cc92 100644
--- a/erts/emulator/test/code_SUITE.erl
+++ b/erts/emulator/test/code_SUITE.erl
@@ -24,9 +24,10 @@
t_check_process_code/1,t_check_old_code/1,
t_check_process_code_ets/1,
external_fun/1,get_chunk/1,module_md5/1,make_stub/1,
- make_stub_many_funs/1,constant_pools/1,
- false_dependency/1,coverage/1]).
+ make_stub_many_funs/1,constant_pools/1,constant_refc_binaries/1,
+ false_dependency/1,coverage/1,fun_confusion/1]).
+-define(line_trace, 1).
-include_lib("test_server/include/test_server.hrl").
suite() -> [{ct_hooks,[ts_install_cth]}].
@@ -35,15 +36,18 @@ all() ->
[new_binary_types, t_check_process_code,
t_check_process_code_ets, t_check_old_code, external_fun, get_chunk,
module_md5, make_stub, make_stub_many_funs,
- constant_pools, false_dependency, coverage].
+ constant_pools, constant_refc_binaries, false_dependency,
+ coverage, fun_confusion].
groups() ->
[].
init_per_suite(Config) ->
+ erts_debug:set_internal_state(available_internal_state, true),
Config.
end_per_suite(_Config) ->
+ catch erts_debug:set_internal_state(available_internal_state, false),
ok.
init_per_group(_GroupName, Config) ->
@@ -278,7 +282,8 @@ t_check_old_code(Config) when is_list(Config) ->
external_fun(Config) when is_list(Config) ->
?line false = erlang:function_exported(another_code_test, x, 1),
- ?line ExtFun = erlang:make_fun(id(another_code_test), x, 1),
+ AnotherCodeTest = id(another_code_test),
+ ExtFun = fun AnotherCodeTest:x/1,
?line {'EXIT',{undef,_}} = (catch ExtFun(answer)),
?line false = erlang:function_exported(another_code_test, x, 1),
?line false = lists:member(another_code_test, erlang:loaded()),
@@ -403,7 +408,7 @@ make_stub_many_funs(Config) when is_list(Config) ->
constant_pools(Config) when is_list(Config) ->
?line Data = ?config(data_dir, Config),
?line File = filename:join(Data, "literals"),
- ?line {ok,literals,Code} = compile:file(File, [report,binary,constant_pool]),
+ ?line {ok,literals,Code} = compile:file(File, [report,binary]),
?line {module,literals} = erlang:load_module(literals,
make_sub_binary(Code)),
@@ -474,6 +479,131 @@ create_old_heap() ->
create_old_heap()
end.
+constant_refc_binaries(Config) when is_list(Config) ->
+ wait_for_memory_deallocations(),
+ Bef = memory_binary(),
+ io:format("Binary data (bytes) before test: ~p\n", [Bef]),
+
+ %% Compile the the literals module.
+ Data = ?config(data_dir, Config),
+ File = filename:join(Data, "literals"),
+ {ok,literals,Code} = compile:file(File, [report,binary]),
+
+ %% Load the code and make sure that the binary is a refc binary.
+ {module,literals} = erlang:load_module(literals, Code),
+ Bin = literals:binary(),
+ Sz = byte_size(Bin),
+ Check = erlang:md5(Bin),
+ io:format("Size of literal refc binary: ~p\n", [Sz]),
+ {refc_binary,Sz,_,_} = erts_debug:get_internal_state({binary_info,Bin}),
+ true = erlang:delete_module(literals),
+ false = erlang:check_process_code(self(), literals),
+ true = erlang:purge_module(literals),
+
+ %% Now try to provoke a memory leak.
+ provoke_mem_leak(10, Code, Check),
+
+ %% Calculate the change in allocated binary data.
+ erlang:garbage_collect(),
+ wait_for_memory_deallocations(),
+ Aft = memory_binary(),
+ io:format("Binary data (bytes) after test: ~p", [Aft]),
+ Diff = Aft - Bef,
+ if
+ Diff < 0 ->
+ io:format("~p less bytes", [abs(Diff)]);
+ Diff > 0 ->
+ io:format("~p more bytes", [Diff]);
+ true ->
+ ok
+ end,
+
+ %% Test for leaks. We must accept some natural variations in
+ %% the size of allocated binaries.
+ if
+ Diff > 64*1024 ->
+ ?t:fail(binary_leak);
+ true ->
+ ok
+ end.
+
+memory_binary() ->
+ try
+ erlang:memory(binary)
+ catch
+ error:notsup ->
+ 0
+ end.
+
+provoke_mem_leak(0, _, _) -> ok;
+provoke_mem_leak(N, Code, Check) ->
+ {module,literals} = erlang:load_module(literals, Code),
+
+ %% Create several processes with references to the literal binary.
+ Self = self(),
+ Pids = [spawn_link(fun() ->
+ create_binaries(Self, NumRefs, Check)
+ end) || NumRefs <- lists:seq(1, 10)],
+ [receive {started,Pid} -> ok end || Pid <- Pids],
+
+ %% Make the code old and remove references to the constant pool
+ %% in all processes.
+ true = erlang:delete_module(literals),
+ Ms = [spawn_monitor(fun() ->
+ false = erlang:check_process_code(Pid, literals)
+ end) || Pid <- Pids],
+ [receive
+ {'DOWN',R,process,P,normal} ->
+ ok
+ end || {P,R} <- Ms],
+
+ %% Purge the code.
+ true = erlang:purge_module(literals),
+
+ %% Tell the processes that the code has been purged.
+ [begin
+ monitor(process, Pid),
+ Pid ! purged
+ end || Pid <- Pids],
+
+ %% Wait for all processes to terminate.
+ [receive
+ {'DOWN',_,process,Pid,normal} ->
+ ok
+ end || Pid <- Pids],
+
+ %% We now expect that the binary has been deallocated.
+ provoke_mem_leak(N-1, Code, Check).
+
+create_binaries(Parent, NumRefs, Check) ->
+ Bin = literals:binary(),
+ Bins = lists:duplicate(NumRefs, Bin),
+ {bits,Bits} = literals:bits(),
+ Parent ! {started,self()},
+ receive
+ purged ->
+ %% The code has been purged. Now make sure that
+ %% the binaries haven't been corrupted.
+ Check = erlang:md5(Bin),
+ [Bin = B || B <- Bins],
+ <<42:13,Bin/binary>> = Bits,
+
+ %% Remove all references to the binaries
+ %% Doing it explicitly like this ensures that
+ %% the binaries are gone when the parent process
+ %% receives the 'DOWN' message.
+ erlang:garbage_collect()
+ end.
+
+wait_for_memory_deallocations() ->
+ try
+ erts_debug:set_internal_state(wait, deallocations)
+ catch
+ error:undef ->
+ erts_debug:set_internal_state(available_internal_state, true),
+ wait_for_memory_deallocations()
+ end.
+
%% OTP-7559: c_p->cp could contain garbage and create a false dependency
%% to a module in a process. (Thanks to Richard Carlsson.)
false_dependency(Config) when is_list(Config) ->
@@ -555,6 +685,30 @@ coverage(Config) when is_list(Config) ->
?line {'EXIT',{badarg,_}} = (catch erlang:module_loaded(42)),
ok.
+fun_confusion(Config) when is_list(Config) ->
+ Data = ?config(data_dir, Config),
+ Src = filename:join(Data, "fun_confusion"),
+ Mod = fun_confusion,
+
+ %% Load first version of module.
+ compile_load(Mod, Src, 1),
+ F1 = Mod:f(),
+ 1 = F1(),
+
+ %% Load second version of module.
+ compile_load(Mod, Src, 2),
+ F2 = Mod:f(),
+
+ %% F1 should refer to the old code, not the newly loaded code.
+ 1 = F1(),
+ 2 = F2(),
+ ok.
+
+compile_load(Mod, Src, Ver) ->
+ {ok,Mod,Code1} = compile:file(Src, [binary,{d,version,Ver}]),
+ {module,Mod} = code:load_binary(Mod, "fun_confusion.beam", Code1),
+ ok.
+
%% Utilities.
make_sub_binary(Bin) when is_binary(Bin) ->
diff --git a/erts/emulator/test/code_SUITE_data/fun_confusion.erl b/erts/emulator/test/code_SUITE_data/fun_confusion.erl
new file mode 100644
index 0000000000..16000861df
--- /dev/null
+++ b/erts/emulator/test/code_SUITE_data/fun_confusion.erl
@@ -0,0 +1,31 @@
+%%
+%% %CopyrightBegin%
+%%
+%% Copyright Ericsson AB 2011. 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.
+%%
+%% %CopyrightEnd%
+%%
+
+-module(fun_confusion).
+
+-export([f/0]).
+
+f() ->
+ fun() -> version() end.
+
+version() ->
+ %% Changing the value returned here should change
+ %% the identity of the fun in f/0.
+ ?version.
+
diff --git a/erts/emulator/test/code_SUITE_data/literals.erl b/erts/emulator/test/code_SUITE_data/literals.erl
index 9f99b1a780..d9cb8938db 100644
--- a/erts/emulator/test/code_SUITE_data/literals.erl
+++ b/erts/emulator/test/code_SUITE_data/literals.erl
@@ -18,7 +18,7 @@
%%
-module(literals).
--export([a/0,b/0,huge_bignum/0]).
+-export([a/0,b/0,huge_bignum/0,binary/0,unused_binaries/0,bits/0]).
a() ->
{a,42.0,[7,38877938333399637266518333334747]}.
@@ -81,3 +81,22 @@ b() ->
huge_bignum() ->
36#9987333333392789234879423987243987423432879423879234897423879423874328794323248423872348742323487423987423879243872347824374238792437842374283926276478623462342363243SDKJFSDLEFHDSHJFE48H3838973879JFSDKJLFASLKJVBJKLEJKLDYEIOEHFEOU39873487SFHJSLDFASUIDFHSDHFEYR0R987YDFHDHFDLKHFSIDFHSIDFSIFDHSIFHWIHR07373767667987769707660766789076874238792437842374283926276478623462342363243SDKJFSDLEFHDSHJFE48H3838973879JFSDKJLFASLKJVBJKLEJKLDYEIOEHFEOU39873487SFHJSLDFASUIDFHSDHFEYR0R987YDFHDHFDLKHFSIDFHSIDFSIFDHSIFHWIHR0737376766798779987333333392789234879423987243987423432879423879234897423879423874328794323248423872348742323487423987423879243872347824374238792437842374283926276478623462342363243SDKJFSDLEFHDSHJFE48H3838973879JFSDKJLFASLKJVBJKLEJKLDYEIOEHFEOU39873487SFHJSLDFASUIDFHSDHFEYR0R987YDFHDHFDLKHFSIDFHSIDFSIFDHSIFHWIHR07373767667987769707660766789076874238792437842374283926276478623462342363243SDKJFSDLEFHDSHJFE48H3838973879JFSDKJLFASLKJVBJKLEJKLDYEIOEHFEOU39873487SFHJSLDFASUIDFHSDHFEYR0R987YDFHDHFDLKHFSIDFHSIDFSIFDHSIFHWIHR07373767667987779JFSDKJLFASLKJVBJKLEJKLDYEIOEHFEOU39873487SFHJSLDFASUIDFHSDHFEYR0R987YDFHDHFDLKHFSIDFHSIDFSIFDHSIFHWIHR07373767667987769707660766789076874238792437842374283926276478623462342363243SDKJFSDLEFHDSHJFE48H3838973879JFSDKJLFASLKJVBJKLEJKLDYEIOEHFEOU39873487SFHJSLDFASUIDFHSDHFEYR0R987YDFHDHFDLKHFSIDFHSIDFSIFDHSIFHWIHR0737376766798779987333333392789234879423987243987423432879423879234897423879423874328794323248423872348742323487423987423879243872347824374238792437842374283926276478623462342363243SDKJFSDLEFHDSHJFE48H3838973879JFSDKJLFASLKJVBJKLEJKLDYEIOEHFEOU39873487SFHJSLDFASUIDFHSDHFEYR0R987YDFHDHFDLKHFSIDFHSIDFSIFDHSIFHWIHR07373767667987769707660766789076874238792437842374283926276478623462342363243SDKJFSDLEFHDSHJFE48H3838973879JFSDKJLFASLKJVBJKLEJKLDYEIOEHFEOU39873487SFHJSLDFASUIDFHSDHFEYR0R987YDFHDHFDLKHFSIDFHSIDFSIFDHSIFHWIHR073737676679877.
+
+-define(TIMES_FOUR(X), X,X,X,X).
+-define(BYTES_256, 0:256,1:256,2:256,3:256, 4:256,5:256,6:256,7:256).
+-define(KB_1, ?TIMES_FOUR(?BYTES_256)).
+-define(KB_4, ?TIMES_FOUR(?KB_1)).
+-define(KB_16, ?TIMES_FOUR(?KB_4)).
+-define(KB_64, ?TIMES_FOUR(?KB_16)).
+-define(KB_128, ?TIMES_FOUR(?KB_64)).
+-define(MB_1, ?TIMES_FOUR(?KB_128)).
+
+binary() ->
+ %% Too big to be a heap binary.
+ <<?MB_1>>.
+
+unused_binaries() ->
+ {<<?KB_128>>,<<?BYTES_256>>}.
+
+bits() ->
+ {bits,<<42:13,?MB_1>>}.
diff --git a/erts/emulator/test/distribution_SUITE.erl b/erts/emulator/test/distribution_SUITE.erl
index 19281f6d58..08308629fe 100644
--- a/erts/emulator/test/distribution_SUITE.erl
+++ b/erts/emulator/test/distribution_SUITE.erl
@@ -18,7 +18,7 @@
%%
-module(distribution_SUITE).
--compile(r12).
+-compile(r13).
%% Tests distribution and the tcp driver.
@@ -37,7 +37,7 @@
dist_auto_connect_never/1, dist_auto_connect_once/1,
dist_parallel_send/1,
atom_roundtrip/1,
- atom_roundtrip_r12b/1,
+ atom_roundtrip_r13b/1,
contended_atom_cache_entry/1,
bad_dist_structure/1,
bad_dist_ext_receive/1,
@@ -62,7 +62,7 @@ all() ->
link_to_dead_new_node, applied_monitor_node,
ref_port_roundtrip, nil_roundtrip, stop_dist,
{group, trap_bif}, {group, dist_auto_connect},
- dist_parallel_send, atom_roundtrip, atom_roundtrip_r12b,
+ dist_parallel_send, atom_roundtrip, atom_roundtrip_r13b,
contended_atom_cache_entry, bad_dist_structure, {group, bad_dist_ext}].
groups() ->
@@ -1100,17 +1100,17 @@ atom_roundtrip(Config) when is_list(Config) ->
?line stop_node(Node),
?line ok.
-atom_roundtrip_r12b(Config) when is_list(Config) ->
- case ?t:is_release_available("r12b") of
+atom_roundtrip_r13b(Config) when is_list(Config) ->
+ case ?t:is_release_available("r13b") of
true ->
?line AtomData = atom_data(),
?line verify_atom_data(AtomData),
- ?line {ok, Node} = start_node(Config, [], "r12b"),
+ ?line {ok, Node} = start_node(Config, [], "r13b"),
?line do_atom_roundtrip(Node, AtomData),
?line stop_node(Node),
?line ok;
false ->
- ?line {skip,"No OTP R12B available"}
+ ?line {skip,"No OTP R13B available"}
end.
do_atom_roundtrip(Node, AtomData) ->
diff --git a/erts/emulator/test/driver_SUITE.erl b/erts/emulator/test/driver_SUITE.erl
index a77ea4f3be..c07dbc5871 100644
--- a/erts/emulator/test/driver_SUITE.erl
+++ b/erts/emulator/test/driver_SUITE.erl
@@ -75,7 +75,9 @@
smp_select/1,
driver_select_use/1,
thread_mseg_alloc_cache_clean/1,
- otp_9302/1]).
+ otp_9302/1,
+ thr_free_drv/1,
+ async_blast/1]).
-export([bin_prefix/2]).
@@ -143,7 +145,9 @@ all() ->
otp_6879, caller, many_events, missing_callbacks,
smp_select, driver_select_use,
thread_mseg_alloc_cache_clean,
- otp_9302].
+ otp_9302,
+ thr_free_drv,
+ async_blast].
groups() ->
[{timer, [],
@@ -1792,7 +1796,7 @@ driver_select_use0(Config) ->
thread_mseg_alloc_cache_clean(Config) when is_list(Config) ->
case {erlang:system_info(threads),
- erlang:system_info({allocator,mseg_alloc}),
+ mseg_inst_info(0),
driver_alloc_sbct()} of
{_, false, _} ->
?line {skipped, "No mseg_alloc"};
@@ -1804,13 +1808,13 @@ thread_mseg_alloc_cache_clean(Config) when is_list(Config) ->
?line {skipped, "driver_alloc() using too large single block threshold"};
{_, _, 0} ->
?line {skipped, "driver_alloc() using too low single block threshold"};
- {true, MsegAllocInfo, SBCT} ->
+ {true, _MsegAllocInfo, SBCT} ->
?line DrvName = 'thr_alloc_drv',
?line Path = ?config(data_dir, Config),
?line erl_ddll:start(),
?line ok = load_driver(Path, DrvName),
?line Port = open_port({spawn, DrvName}, []),
- ?line CCI = mseg_alloc_cci(MsegAllocInfo),
+ ?line CCI = 1000,
?line ?t:format("CCI = ~p~n", [CCI]),
?line CCC = mseg_alloc_ccc(),
?line ?t:format("CCC = ~p~n", [CCC]),
@@ -1831,7 +1835,7 @@ mseg_alloc_cci(MsegAllocInfo) ->
?line CCI.
mseg_alloc_ccc() ->
- mseg_alloc_ccc(erlang:system_info({allocator,mseg_alloc})).
+ mseg_alloc_ccc(mseg_inst_info(0)).
mseg_alloc_ccc(MsegAllocInfo) ->
?line {value,{memkind, MKL}} = lists:keysearch(memkind,1,MsegAllocInfo),
@@ -1841,7 +1845,7 @@ mseg_alloc_ccc(MsegAllocInfo) ->
?line GigaCCC*1000000000 + CCC.
mseg_alloc_cached_segments() ->
- mseg_alloc_cached_segments(erlang:system_info({allocator,mseg_alloc})).
+ mseg_alloc_cached_segments(mseg_inst_info(0)).
mseg_alloc_cached_segments(MsegAllocInfo) ->
MemName = case is_halfword_vm() of
@@ -1859,6 +1863,13 @@ mseg_alloc_cached_segments(MsegAllocInfo) ->
= lists:keysearch(cached_segments, 1, SL),
?line CS.
+mseg_inst_info(I) ->
+ {value, {instance, I, Value}}
+ = lists:keysearch(I,
+ 2,
+ erlang:system_info({allocator,mseg_alloc})),
+ Value.
+
is_halfword_vm() ->
case {erlang:system_info({wordsize, internal}),
erlang:system_info({wordsize, external})} of
@@ -1902,18 +1913,105 @@ otp_9302(Config) when is_list(Config) ->
?line port_command(Port, ""),
?line {msg, block} = get_port_msg(Port, infinity),
?line {msg, job} = get_port_msg(Port, infinity),
- ?line case erlang:system_info(thread_pool_size) of
- 0 ->
- {msg, cancel} = get_port_msg(Port, infinity);
- _ ->
- ok
- end,
- ?line {msg, job} = get_port_msg(Port, infinity),
+ ?line C = case erlang:system_info(thread_pool_size) of
+ 0 ->
+ ?line {msg, cancel} = get_port_msg(Port, infinity),
+ ?line {msg, job} = get_port_msg(Port, infinity),
+ ?line false;
+ _ ->
+ case get_port_msg(Port, infinity) of
+ {msg, cancel} -> %% Cancel always fail in Rel >= 15
+ ?line {msg, job} = get_port_msg(Port, infinity),
+ ?line false;
+ {msg, job} ->
+ ?line ok,
+ ?line true
+ end
+ end,
?line {msg, end_of_jobs} = get_port_msg(Port, infinity),
?line no_msg = get_port_msg(Port, 2000),
?line port_close(Port),
+ ?line case C of
+ true ->
+ ?line {comment, "Async job cancelled"};
+ false ->
+ ?line {comment, "Async job not cancelled"}
+ end.
+
+thr_free_drv(Config) when is_list(Config) ->
+ ?line Path = ?config(data_dir, Config),
+ ?line erl_ddll:start(),
+ ?line ok = load_driver(Path, thr_free_drv),
+ ?line MemBefore = driver_alloc_size(),
+% io:format("SID=~p", [erlang:system_info(scheduler_id)]),
+ ?line Port = open_port({spawn, thr_free_drv}, []),
+ ?line MemPeek = driver_alloc_size(),
+ ?line true = is_port(Port),
+ ?line ok = thr_free_drv_control(Port, 0),
+ ?line port_close(Port),
+ ?line MemAfter = driver_alloc_size(),
+ ?line io:format("MemPeek=~p~n", [MemPeek]),
+ ?line io:format("MemBefore=~p, MemAfter=~p~n", [MemBefore, MemAfter]),
+ ?line MemBefore = MemAfter,
+ ?line case MemPeek of
+ undefined -> ok;
+ _ ->
+ ?line true = MemPeek > MemBefore
+ end,
?line ok.
+thr_free_drv_control(Port, N) ->
+ case erlang:port_control(Port, 0, "") of
+ "done" ->
+ ok;
+ "more" ->
+ erlang:yield(),
+% io:format("N=~p, SID=~p", [N, erlang:system_info(scheduler_id)]),
+ thr_free_drv_control(Port, N+1)
+ end.
+
+async_blast(Config) when is_list(Config) ->
+ ?line Path = ?config(data_dir, Config),
+ ?line erl_ddll:start(),
+ ?line ok = load_driver(Path, async_blast_drv),
+ ?line SchedOnln = erlang:system_info(schedulers_online),
+ ?line MemBefore = driver_alloc_size(),
+ ?line Start = os:timestamp(),
+ ?line Blast = fun () ->
+ Port = open_port({spawn, async_blast_drv}, []),
+ true = is_port(Port),
+ port_command(Port, ""),
+ receive
+ {Port, done} ->
+ ok
+ end,
+ port_close(Port)
+ end,
+ ?line Ps = lists:map(fun (N) ->
+ spawn_opt(Blast,
+ [{scheduler,
+ (N rem SchedOnln)+ 1},
+ monitor])
+ end,
+ lists:seq(1, 100)),
+ ?line MemMid = driver_alloc_size(),
+ ?line lists:foreach(fun ({Pid, Mon}) ->
+ receive
+ {'DOWN',Mon,process,Pid,_} -> ok
+ end
+ end, Ps),
+ ?line End = os:timestamp(),
+ ?line MemAfter = driver_alloc_size(),
+ ?line io:format("MemBefore=~p, MemMid=~p, MemAfter=~p~n",
+ [MemBefore, MemMid, MemAfter]),
+ ?line AsyncBlastTime = timer:now_diff(End,Start)/1000000,
+ ?line io:format("AsyncBlastTime=~p~n", [AsyncBlastTime]),
+ ?line MemBefore = MemAfter,
+ ?line erlang:display({async_blast_time, AsyncBlastTime}),
+ ?line ok.
+
+
+
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%% Utilities
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
@@ -2077,3 +2175,33 @@ start_node(Config) when is_list(Config) ->
stop_node(Node) ->
?t:stop_node(Node).
+
+wait_deallocations() ->
+ try
+ erts_debug:set_internal_state(wait, deallocations)
+ catch error:undef ->
+ erts_debug:set_internal_state(available_internal_state, true),
+ wait_deallocations()
+ end.
+
+driver_alloc_size() ->
+ wait_deallocations(),
+ case erlang:system_info({allocator_sizes, driver_alloc}) of
+ false ->
+ undefined;
+ MemInfo ->
+ CS = lists:foldl(
+ fun ({instance, _, L}, Acc) ->
+ {value,{_,SBMBCS}} = lists:keysearch(sbmbcs, 1, L),
+ {value,{_,MBCS}} = lists:keysearch(mbcs, 1, L),
+ {value,{_,SBCS}} = lists:keysearch(sbcs, 1, L),
+ [SBMBCS,MBCS,SBCS | Acc]
+ end,
+ [],
+ MemInfo),
+ lists:foldl(
+ fun(L, Sz0) ->
+ {value,{_,Sz,_,_}} = lists:keysearch(blocks_size, 1, L),
+ Sz0+Sz
+ end, 0, CS)
+ end.
diff --git a/erts/emulator/test/driver_SUITE_data/Makefile.src b/erts/emulator/test/driver_SUITE_data/Makefile.src
index 5b3ba1557e..dd48f6a0f7 100644
--- a/erts/emulator/test/driver_SUITE_data/Makefile.src
+++ b/erts/emulator/test/driver_SUITE_data/Makefile.src
@@ -12,7 +12,9 @@ MISC_DRVS = outputv_drv@dll@ \
many_events_drv@dll@ \
missing_callback_drv@dll@ \
thr_alloc_drv@dll@ \
- otp_9302_drv@dll@
+ otp_9302_drv@dll@ \
+ thr_free_drv@dll@ \
+ async_blast_drv@dll@
SYS_INFO_DRVS = sys_info_1_0_drv@dll@ \
sys_info_1_1_drv@dll@ \
diff --git a/erts/emulator/test/driver_SUITE_data/async_blast_drv.c b/erts/emulator/test/driver_SUITE_data/async_blast_drv.c
new file mode 100644
index 0000000000..3821f7e3dc
--- /dev/null
+++ b/erts/emulator/test/driver_SUITE_data/async_blast_drv.c
@@ -0,0 +1,124 @@
+/*
+ * %CopyrightBegin%
+ *
+ * Copyright Ericsson AB 2011. 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.
+ *
+ * %CopyrightEnd%
+ */
+
+#include "erl_driver.h"
+
+#define NO_ASYNC_JOBS 10000
+
+static void stop(ErlDrvData drv_data);
+static ErlDrvData start(ErlDrvPort port,
+ char *command);
+static void output(ErlDrvData drv_data,
+ char *buf, int len);
+static void ready_async(ErlDrvData drv_data,
+ ErlDrvThreadData thread_data);
+
+static ErlDrvEntry async_blast_drv_entry = {
+ NULL /* init */,
+ start,
+ stop,
+ output,
+ NULL /* ready_input */,
+ NULL /* ready_output */,
+ "async_blast_drv",
+ NULL /* finish */,
+ NULL /* handle */,
+ NULL /* control */,
+ NULL /* timeout */,
+ NULL /* outputv */,
+ ready_async,
+ NULL /* flush */,
+ NULL /* call */,
+ NULL /* event */,
+ ERL_DRV_EXTENDED_MARKER,
+ ERL_DRV_EXTENDED_MAJOR_VERSION,
+ ERL_DRV_EXTENDED_MINOR_VERSION,
+ ERL_DRV_FLAG_USE_PORT_LOCKING,
+ NULL /* handle2 */,
+ NULL /* handle_monitor */
+};
+
+typedef struct {
+ ErlDrvPort port;
+ ErlDrvTermData caller;
+ int counter;
+} async_blast_data_t;
+
+
+DRIVER_INIT(async_blast_drv)
+{
+ return &async_blast_drv_entry;
+}
+
+static void stop(ErlDrvData drv_data)
+{
+ driver_free((void *) drv_data);
+}
+
+static ErlDrvData start(ErlDrvPort port,
+ char *command)
+{
+ async_blast_data_t *abd;
+
+ abd = driver_alloc(sizeof(async_blast_data_t));
+ if (!abd)
+ return ERL_DRV_ERROR_GENERAL;
+
+ abd->port = port;
+ abd->counter = 0;
+ return (ErlDrvData) abd;
+}
+
+static void async_invoke(void *data)
+{
+
+}
+#include <stdio.h>
+
+static void ready_async(ErlDrvData drv_data,
+ ErlDrvThreadData thread_data)
+{
+ async_blast_data_t *abd = (async_blast_data_t *) drv_data;
+ if (--abd->counter == 0) {
+ ErlDrvTermData spec[] = {
+ ERL_DRV_PORT, driver_mk_port(abd->port),
+ ERL_DRV_ATOM, driver_mk_atom("done"),
+ ERL_DRV_TUPLE, 2
+ };
+ driver_send_term(abd->port, abd->caller,
+ spec, sizeof(spec)/sizeof(spec[0]));
+ }
+}
+
+static void output(ErlDrvData drv_data,
+ char *buf, int len)
+{
+ async_blast_data_t *abd = (async_blast_data_t *) drv_data;
+ if (abd->counter == 0) {
+ int i;
+ abd->caller = driver_caller(abd->port);
+ abd->counter = NO_ASYNC_JOBS;
+ for (i = 0; i < NO_ASYNC_JOBS; i++) {
+ if (0 > driver_async(abd->port, NULL, async_invoke, NULL, NULL)) {
+ driver_failure_atom(abd->port, "driver_async_failed");
+ break;
+ }
+ }
+ }
+}
diff --git a/erts/emulator/test/driver_SUITE_data/thr_free_drv.c b/erts/emulator/test/driver_SUITE_data/thr_free_drv.c
new file mode 100644
index 0000000000..622a62ebea
--- /dev/null
+++ b/erts/emulator/test/driver_SUITE_data/thr_free_drv.c
@@ -0,0 +1,241 @@
+/*
+ * %CopyrightBegin%
+ *
+ * Copyright Ericsson AB 2011. 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.
+ *
+ * %CopyrightEnd%
+ */
+#include <stdlib.h>
+#include <errno.h>
+#include <string.h>
+#include "erl_driver.h"
+
+#define BLOCKS_PER_THREAD 100000
+#define NO_THREADS 10
+#define BLOCKS_PER_CTRL 1000
+
+typedef struct {
+ ErlDrvMutex *mtx;
+ ErlDrvCond *cnd;
+ int b;
+ int *go;
+ int *skip;
+ void *blocks[BLOCKS_PER_THREAD];
+} test_thread_data;
+
+typedef struct {
+ ErlDrvPort port;
+ int b;
+ int go;
+ int skip;
+ test_thread_data ttd[NO_THREADS+1];
+ ErlDrvTid tids[NO_THREADS+1];
+} test_data;
+
+static ErlDrvData start(ErlDrvPort port, char *command);
+static void stop(ErlDrvData data);
+static int control(ErlDrvData drv_data, unsigned int command, char *buf,
+ int len, char **rbuf, int rlen);
+
+static ErlDrvEntry thr_free_drv_entry = {
+ NULL /* init */,
+ start,
+ stop,
+ NULL /* output */,
+ NULL /* ready_input */,
+ NULL /* ready_output */,
+ "thr_free_drv",
+ NULL /* finish */,
+ NULL /* handle */,
+ control,
+ NULL /* timeout */,
+ NULL /* outputv */,
+ NULL /* ready_async */,
+ NULL /* flush */,
+ NULL /* call */,
+ NULL /* event */,
+ ERL_DRV_EXTENDED_MARKER,
+ ERL_DRV_EXTENDED_MAJOR_VERSION,
+ ERL_DRV_EXTENDED_MINOR_VERSION,
+ ERL_DRV_FLAG_USE_PORT_LOCKING,
+ NULL /* handle2 */,
+ NULL /* handle_monitor */
+};
+
+DRIVER_INIT(thr_free_drv)
+{
+ return &thr_free_drv_entry;
+}
+
+void *
+test_thread(void *vttd)
+{
+ test_thread_data *ttd = (test_thread_data *) vttd;
+ int i, skip;
+
+ erl_drv_mutex_lock(ttd->mtx);
+
+ while (!*ttd->go)
+ erl_drv_cond_wait(ttd->cnd, ttd->mtx);
+ skip = *ttd->skip;
+ erl_drv_mutex_unlock(ttd->mtx);
+
+ if (!skip) {
+ for (i = 0; i < BLOCKS_PER_THREAD; i++)
+ driver_free(ttd->blocks[i]);
+ }
+ return NULL;
+}
+
+ErlDrvData start(ErlDrvPort port, char *command)
+{
+ int join = 0, t, b, res;
+ test_thread_data *ttd;
+ test_data *td = driver_alloc(sizeof(test_data));
+ if (!td)
+ return ERL_DRV_ERROR_GENERAL;
+ ttd = td->ttd;
+ for (b = 0; b < BLOCKS_PER_THREAD; b++)
+ for (t = 0; t <= NO_THREADS; t++)
+ ttd[t].blocks[b] = NULL;
+ ttd[0].mtx = NULL;
+ ttd[0].cnd = NULL;
+
+ for (b = 0; b < BLOCKS_PER_THREAD; b++) {
+ for (t = 0; t <= NO_THREADS; t++) {
+ ttd[t].blocks[b] = driver_alloc(1);
+ if (ttd[t].blocks[b] == NULL)
+ goto fail;
+ }
+ }
+
+ td->b = -1;
+ td->go = 0;
+ td->skip = 0;
+
+ ttd[0].mtx = erl_drv_mutex_create("test_mutex");
+ if (!ttd[0].mtx)
+ goto fail;
+ ttd[0].cnd = erl_drv_cond_create("test_cnd");
+ if (!ttd[0].cnd)
+ goto fail;
+ ttd[0].go = &td->go;
+ ttd[0].skip = &td->skip;
+
+ for (t = 1; t <= NO_THREADS; t++) {
+ ttd[t].mtx = ttd[0].mtx;
+ ttd[t].cnd = ttd[0].cnd;
+ ttd[t].go = ttd[0].go;
+ ttd[t].skip = ttd[0].skip;
+ res = erl_drv_thread_create("test_thread",
+ &td->tids[t],
+ test_thread,
+ &ttd[t],
+ NULL);
+ if (res != 0)
+ goto fail;
+ join = t;
+ }
+
+ td->port = port;
+
+ return (ErlDrvData) td;
+
+fail:
+
+ if (join) {
+ erl_drv_mutex_lock(ttd[0].mtx);
+ td->go = 1;
+ td->skip = 1;
+ erl_drv_cond_broadcast(ttd[0].cnd);
+ erl_drv_mutex_unlock(ttd[0].mtx);
+ for (t = 1; t <= join; t++)
+ erl_drv_thread_join(td->tids[t], NULL);
+ }
+
+ if (ttd[0].mtx)
+ erl_drv_mutex_destroy(ttd[0].mtx);
+ if (ttd[0].cnd)
+ erl_drv_cond_destroy(ttd[0].cnd);
+
+ for (b = 0; b < BLOCKS_PER_THREAD; b++) {
+ for (t = 0; t <= NO_THREADS; t++) {
+ if (ttd[t].blocks[b] != NULL)
+ driver_free(ttd[t].blocks[b]);
+ }
+ }
+
+ return ERL_DRV_ERROR_GENERAL;
+}
+
+static void stop(ErlDrvData drv_data)
+{
+ test_data *td = (test_data *) drv_data;
+ int t, b;
+ for (t = 1; t <= NO_THREADS; t++)
+ erl_drv_thread_join(td->tids[t], NULL);
+ for (b = 0; b < BLOCKS_PER_THREAD; b++) {
+ if (td->ttd[0].blocks[b])
+ driver_free(td->ttd[0].blocks[b]);
+ }
+ erl_drv_mutex_destroy(td->ttd[0].mtx);
+ erl_drv_cond_destroy(td->ttd[0].cnd);
+ driver_free(td);
+}
+
+static int control(ErlDrvData drv_data, unsigned int command, char *buf,
+ int len, char **rbuf, int rlen)
+{
+ test_data *td = (test_data *) drv_data;
+ char *result = "failure";
+ int i, b;
+ int res;
+ int result_len;
+
+ if (td->b == -1) {
+ erl_drv_mutex_lock(td->ttd[0].mtx);
+ td->go = 1;
+ erl_drv_cond_broadcast(td->ttd[0].cnd);
+ erl_drv_mutex_unlock(td->ttd[0].mtx);
+ td->b = 0;
+ }
+
+ for (i = 0, b = td->b; i < BLOCKS_PER_CTRL && b < BLOCKS_PER_THREAD; i++, b++) {
+ driver_free(td->ttd[0].blocks[b]);
+ td->ttd[0].blocks[b] = NULL;
+ }
+
+ td->b = b;
+ if (b >= BLOCKS_PER_THREAD)
+ result = "done";
+ else
+ result = "more";
+
+ result_len = strlen(result);
+ if (result_len <= rlen) {
+ memcpy(*rbuf, result, result_len);
+ return result_len;
+ }
+ else {
+ *rbuf = driver_alloc(result_len);
+ if (!*rbuf) {
+ driver_failure_posix(td->port, ENOMEM);
+ return 0;
+ }
+ else {
+ memcpy(*rbuf, result, result_len);
+ return result_len;
+ }
+ }
+}
diff --git a/erts/emulator/test/exception_SUITE.erl b/erts/emulator/test/exception_SUITE.erl
index 9d6fc9521d..109cec25cb 100644
--- a/erts/emulator/test/exception_SUITE.erl
+++ b/erts/emulator/test/exception_SUITE.erl
@@ -23,9 +23,10 @@
init_per_group/2,end_per_group/2,
badmatch/1, pending_errors/1, nil_arith/1,
stacktrace/1, nested_stacktrace/1, raise/1, gunilla/1, per/1,
- exception_with_heap_frag/1]).
+ exception_with_heap_frag/1, line_numbers/1]).
-export([bad_guy/2]).
+-export([crash/1]).
-include_lib("test_server/include/test_server.hrl").
-import(lists, [foreach/2]).
@@ -35,7 +36,7 @@ suite() -> [{ct_hooks,[ts_install_cth]}].
all() ->
[badmatch, pending_errors, nil_arith, stacktrace,
nested_stacktrace, raise, gunilla, per,
- exception_with_heap_frag].
+ exception_with_heap_frag, line_numbers].
groups() ->
[].
@@ -141,14 +142,20 @@ pending_exit_message(Args, Expected) ->
end,
process_flag(trap_exit, false).
-pending({badarg, [{erlang,Bif,BifArgs},{?MODULE,Func,Arity}|_]}, Func, Args, _Code)
- when is_atom(Bif), is_list(BifArgs), length(Args) == Arity ->
+pending({badarg,[{erlang,Bif,BifArgs,Loc1},
+ {?MODULE,Func,Arity,Loc2}|_]},
+ Func, Args, _Code)
+ when is_atom(Bif), is_list(BifArgs), length(Args) =:= Arity,
+ is_list(Loc1), is_list(Loc2) ->
ok;
-pending({undef,[{non_existing_module,foo,[]}|_]}, _, _, _) ->
+pending({undef,[{non_existing_module,foo,[],Loc}|_]}, _, _, _)
+ when is_list(Loc) ->
ok;
-pending({function_clause,[{?MODULE,Func,Args}|_]}, Func, Args, _Code) ->
+pending({function_clause,[{?MODULE,Func,Args,Loc}|_]}, Func, Args, _Code)
+ when is_list(Loc) ->
ok;
-pending({Code,[{?MODULE,Func,Arity}|_]}, Func, Args, Code) when length(Args) == Arity ->
+pending({Code,[{?MODULE,Func,Arity,Loc}|_]}, Func, Args, Code)
+ when length(Args) =:= Arity, is_list(Loc) ->
ok;
pending(Reason, _Function, _Args, _Code) ->
test_server:fail({bad_exit_reason,Reason}).
@@ -255,24 +262,24 @@ stacktrace(Conf) when is_list(Conf) ->
?line {_,Mref} = spawn_monitor(fun() -> exit({Tag,erlang:get_stacktrace()}) end),
?line {Tag,[]} = receive {'DOWN',Mref,_,_,Info} -> Info end,
V = [make_ref()|self()],
- ?line {value2,{caught1,badarg,[{erlang,abs,[V]}|_]=St1}} =
+ ?line {value2,{caught1,badarg,[{erlang,abs,[V],_}|_]=St1}} =
stacktrace_1({'abs',V}, error, {value,V}),
?line St1 = erase(stacktrace1),
?line St1 = erase(stacktrace2),
?line St1 = erlang:get_stacktrace(),
- ?line {caught2,{error,badarith},[{?MODULE,my_add,2}|_]=St2} =
+ ?line {caught2,{error,badarith},[{?MODULE,my_add,2,_}|_]=St2} =
stacktrace_1({'div',{1,0}}, error, {'add',{0,a}}),
- ?line [{?MODULE,my_div,2}|_] = erase(stacktrace1),
+ ?line [{?MODULE,my_div,2,_}|_] = erase(stacktrace1),
?line St2 = erase(stacktrace2),
?line St2 = erlang:get_stacktrace(),
- ?line {caught2,{error,{try_clause,V}},[{?MODULE,stacktrace_1,3}|_]=St3} =
+ ?line {caught2,{error,{try_clause,V}},[{?MODULE,stacktrace_1,3,_}|_]=St3} =
stacktrace_1({value,V}, error, {value,V}),
?line St3 = erase(stacktrace1),
?line St3 = erase(stacktrace2),
?line St3 = erlang:get_stacktrace(),
- ?line {caught2,{throw,V},[{?MODULE,foo,1}|_]=St4} =
+ ?line {caught2,{throw,V},[{?MODULE,foo,1,_}|_]=St4} =
stacktrace_1({value,V}, error, {throw,V}),
- ?line [{?MODULE,stacktrace_1,3}|_] = erase(stacktrace1),
+ ?line [{?MODULE,stacktrace_1,3,_}|_] = erase(stacktrace1),
?line St4 = erase(stacktrace2),
?line St4 = erlang:get_stacktrace(),
@@ -280,8 +287,8 @@ stacktrace(Conf) when is_list(Conf) ->
?line stacktrace_2()
catch
error:{badmatch,_} ->
- [{?MODULE,stacktrace_2,0},
- {?MODULE,stacktrace,1}|_] =
+ [{?MODULE,stacktrace_2,0,_},
+ {?MODULE,stacktrace,1,_}|_] =
erlang:get_stacktrace(),
ok
end.
@@ -315,15 +322,15 @@ nested_stacktrace(Conf) when is_list(Conf) ->
nested_stacktrace_1({{value,{V,x1}},void,{V,x1}},
{void,void,void}),
?line {caught1,
- [{?MODULE,my_add,2}|_],
+ [{?MODULE,my_add,2,_}|_],
value2,
- [{?MODULE,my_add,2}|_]} =
+ [{?MODULE,my_add,2,_}|_]} =
nested_stacktrace_1({{'add',{V,x1}},error,badarith},
{{value,{V,x2}},void,{V,x2}}),
?line {caught1,
- [{?MODULE,my_add,2}|_],
- {caught2,[{erlang,abs,[V]}|_]},
- [{erlang,abs,[V]}|_]} =
+ [{?MODULE,my_add,2,_}|_],
+ {caught2,[{erlang,abs,[V],_}|_]},
+ [{erlang,abs,[V],_}|_]} =
nested_stacktrace_1({{'add',{V,x1}},error,badarith},
{{'abs',V},error,badarg}),
ok.
@@ -362,14 +369,14 @@ raise(Conf) when is_list(Conf) ->
end,
?line A = erlang:get_stacktrace(),
?line A = get(raise),
- ?line [{?MODULE,my_div,2}|_] = A,
+ ?line [{?MODULE,my_div,2,_}|_] = A,
%%
N = 8, % Must be even
?line N = erlang:system_flag(backtrace_depth, N),
+ ?line B = odd_even(N, []),
?line try even(N)
catch error:function_clause -> ok
end,
- ?line B = odd_even(N, []),
?line B = erlang:get_stacktrace(),
%%
?line C0 = odd_even(N+1, []),
@@ -387,19 +394,12 @@ raise(Conf) when is_list(Conf) ->
odd_even(N, R) when is_integer(N), N > 1 ->
odd_even(N-1,
[if (N rem 2) == 0 ->
- {?MODULE,even,1};
+ {?MODULE,even,1,[{file,"odd_even.erl"},{line,3}]};
true ->
- {?MODULE,odd,1}
+ {?MODULE,odd,1,[{file,"odd_even.erl"},{line,6}]}
end|R]);
odd_even(1, R) ->
- [{?MODULE,odd,[1]}|R].
-
-even(N) when is_integer(N), N > 1, (N rem 2) == 0 ->
- odd(N-1)++[N].
-
-odd(N) when is_integer(N), N > 1, (N rem 2) == 1 ->
- even(N-1)++[N].
-
+ [{?MODULE,odd,[1],[{file,"odd_even.erl"},{line,5}]}|R].
foo({value,Value}) -> Value;
foo({'div',{A,B}}) ->
@@ -526,4 +526,186 @@ do_exception_with_heap_frag(Bin, [Sz|Sizes]) ->
do_exception_with_heap_frag(Bin, Sizes);
do_exception_with_heap_frag(_, []) -> ok.
+line_numbers(Config) when is_list(Config) ->
+ {'EXIT',{{case_clause,bad_tag},
+ [{?MODULE,line1,2,
+ [{file,"fake_file.erl"},{line,3}]},
+ {?MODULE,line_numbers,1,_}|_]}} =
+ (catch line1(bad_tag, 0)),
+ {'EXIT',{badarith,
+ [{?MODULE,line1,2,
+ [{file,"fake_file.erl"},{line,5}]},
+ {?MODULE,line_numbers,1,_}|_]}} =
+ (catch line1(a, not_an_integer)),
+ {'EXIT',{{badmatch,{ok,1}},
+ [{?MODULE,line1,2,
+ [{file,"fake_file.erl"},{line,7}]},
+ {?MODULE,line_numbers,1,_}|_]}} =
+ (catch line1(a, 0)),
+ {'EXIT',{crash,
+ [{?MODULE,crash,1,
+ [{file,"fake_file.erl"},{line,14}]},
+ {?MODULE,line_numbers,1,_}|_]}} =
+ (catch line1(a, 41)),
+
+ ModFile = ?MODULE_STRING++".erl",
+ [{?MODULE,maybe_crash,1,[{file,"call.erl"},{line,28}]},
+ {?MODULE,call1,0,[{file,"call.erl"},{line,14}]},
+ {?MODULE,close_calls,1,[{file,"call.erl"},{line,5}]},
+ {?MODULE,line_numbers,1,[{file,ModFile},{line,_}]}|_] =
+ close_calls(call1),
+ [{?MODULE,maybe_crash,1,[{file,"call.erl"},{line,28}]},
+ {?MODULE,call2,0,[{file,"call.erl"},{line,18}]},
+ {?MODULE,close_calls,1,[{file,"call.erl"},{line,6}]},
+ {?MODULE,line_numbers,1,[{file,ModFile},{line,_}]}|_] =
+ close_calls(call2),
+ [{?MODULE,maybe_crash,1,[{file,"call.erl"},{line,28}]},
+ {?MODULE,call3,0,[{file,"call.erl"},{line,22}]},
+ {?MODULE,close_calls,1,[{file,"call.erl"},{line,7}]},
+ {?MODULE,line_numbers,1,[{file,ModFile},{line,_}]}|_] =
+ close_calls(call3),
+ no_crash = close_calls(other),
+
+ <<0,0>> = build_binary1(16),
+ {'EXIT',{badarg,
+ [{?MODULE,build_binary1,1,
+ [{file,"bit_syntax.erl"},{line,72503}]},
+ {?MODULE,line_numbers,1,
+ [{file,ModFile},{line,_}]}|_]}} =
+ (catch build_binary1(bad_size)),
+
+ <<7,1,2,3>> = build_binary2(8, <<1,2,3>>),
+ {'EXIT',{badarg,
+ [{?MODULE,build_binary2,2,
+ [{file,"bit_syntax.erl"},{line,72507}]},
+ {?MODULE,line_numbers,1,
+ [{file,ModFile},{line,_}]}|_]}} =
+ (catch build_binary2(bad_size, <<>>)),
+ {'EXIT',{badarg,
+ [{erlang,bit_size,[bad_binary],[]},
+ {?MODULE,build_binary2,2,
+ [{file,"bit_syntax.erl"},{line,72507}]},
+ {?MODULE,line_numbers,1,
+ [{file,ModFile},{line,_}]}|_]}} =
+ (catch build_binary2(8, bad_binary)),
+
+ {'EXIT',{function_clause,
+ [{?MODULE,do_call_abs,[y,y],
+ [{file,"gc_bif.erl"},{line,18}]},
+ {?MODULE,line_numbers,1,_}|_]}} =
+ (catch do_call_abs(y, y)),
+ {'EXIT',{badarg,
+ [{erlang,abs,[[]],[]},
+ {?MODULE,do_call_abs,2,
+ [{file,"gc_bif.erl"},{line,19}]},
+ {?MODULE,line_numbers,1,_}|_]}} =
+ (catch do_call_abs(x, [])),
+
+ {'EXIT',{{badmatch,"42"},
+ [{MODULE,applied_bif_1,1,[{file,"applied_bif.erl"},{line,5}]},
+ {?MODULE,line_numbers,1,_}|_]}} =
+ (catch applied_bif_1(42)),
+
+ {'EXIT',{{badmatch,{current_location,
+ {?MODULE,applied_bif_2,0,
+ [{file,"applied_bif.erl"},{line,9}]}}},
+ [{MODULE,applied_bif_2,0,[{file,"applied_bif.erl"},{line,10}]},
+ {?MODULE,line_numbers,1,_}|_]}} =
+ (catch applied_bif_2()),
+
+ ok.
+
id(I) -> I.
+
+-file("odd_even.erl", 1). %Line 1
+even(N) when is_integer(N), N > 1, (N rem 2) == 0 ->
+ odd(N-1)++[N]. %Line 3
+
+odd(N) when is_integer(N), N > 1, (N rem 2) == 1 ->
+ even(N-1)++[N]. %Line 6
+
+%%
+%% If the compiler removes redundant line instructions (any
+%% line instruction with the same location as the previous),
+%% and the loader also removes line instructions before
+%% tail-recursive calls to external functions, then the
+%% badmatch exception in line 7 below will be reported as
+%% occurring in line 6.
+%%
+%% That means that any removal of redundant line instructions
+%% must all be done in the compiler OR in the loader.
+%%
+-file("fake_file.erl", 1). %Line 1
+line1(Tag, X) -> %Line 2
+ case Tag of %Line 3
+ a ->
+ Y = X + 1, %Line 5
+ Res = id({ok,Y}), %Line 6
+ ?MODULE:crash({ok,42} = Res); %Line 7
+ b ->
+ x = id(x), %Line 9
+ ok %Line 10
+ end. %Line 11
+
+crash(_) -> %Line 13
+ erlang:error(crash). %Line 14
+
+-file("call.erl", 1). %Line 1
+close_calls(Where) -> %Line 2
+ put(where_to_crash, Where), %Line 3
+ try
+ call1(), %Line 5
+ call2(), %Line 6
+ call3(), %Line 7
+ no_crash %Line 8
+ catch error:crash ->
+ erlang:get_stacktrace() %Line 10
+ end. %Line 11
+
+call1() -> %Line 13
+ maybe_crash(call1), %Line 14
+ ok. %Line 15
+
+call2() -> %Line 17
+ maybe_crash(call2), %Line 18
+ ok. %Line 19
+
+call3() -> %Line 21
+ maybe_crash(call3), %Line 22
+ ok. %Line 23
+
+maybe_crash(Name) -> %Line 25
+ case get(where_to_crash) of %Line 26
+ Name ->
+ erlang:error(crash); %Line 28
+ _ ->
+ ok %Line 30
+ end.
+
+-file("bit_syntax.erl", 72500). %Line 72500
+build_binary1(Size) -> %Line 72501
+ id(42), %Line 72502
+ <<0:Size>>. %Line 72503
+
+build_binary2(Size, Bin) -> %Line 72505
+ id(0), %Line 72506
+ <<7:Size,Bin/binary>>. %Line 72507
+
+-file("gc_bif.erl", 17).
+do_call_abs(x, Arg) -> %Line 18
+ abs(Arg). %Line 19
+
+%% Make sure a BIF that is applied does not leave the p->cp
+%% set (and thus generating an extra entry on the stack).
+
+-file("applied_bif.erl", 1).
+%% Explicit apply.
+applied_bif_1(I) -> %Line 3
+ L = apply(erlang, integer_to_list, [I]), %Line 4
+ fail = L, %Line 5
+ ok. %Line 6
+%% Implicit apply.
+applied_bif_2() -> %Line 8
+ R = process_info(self(), current_location), %Line 9
+ fail = R, %Line 10
+ ok. %Line 11
diff --git a/erts/emulator/test/float_SUITE.erl b/erts/emulator/test/float_SUITE.erl
index 736510339f..8e6923ce9f 100644
--- a/erts/emulator/test/float_SUITE.erl
+++ b/erts/emulator/test/float_SUITE.erl
@@ -25,8 +25,9 @@
init_per_group/2,end_per_group/2,
init_per_testcase/2,end_per_testcase/2,
fpe/1,fp_drv/1,fp_drv_thread/1,denormalized/1,match/1,
- bad_float_unpack/1]).
+ bad_float_unpack/1,cmp_zero/1, cmp_integer/1, cmp_bignum/1]).
-export([otp_7178/1]).
+-export([hidden_inf/1]).
init_per_testcase(Func, Config) when is_atom(Func), is_list(Config) ->
@@ -41,10 +42,12 @@ suite() -> [{ct_hooks,[ts_install_cth]}].
all() ->
[fpe, fp_drv, fp_drv_thread, otp_7178, denormalized,
- match, bad_float_unpack].
+ match, bad_float_unpack, {group, comparison}
+ ,hidden_inf
+ ].
groups() ->
- [].
+ [{comparison, [parallel], [cmp_zero, cmp_integer, cmp_bignum]}].
init_per_suite(Config) ->
Config.
@@ -187,6 +190,101 @@ bad_float_unpack(Config) when is_list(Config) ->
bad_float_unpack_match(<<F:64/float>>) -> F;
bad_float_unpack_match(<<I:64/integer-signed>>) -> I.
+cmp_zero(_Config) ->
+ cmp(0.5e-323,0).
+
+cmp_integer(_Config) ->
+ Axis = (1 bsl 53)-2.0, %% The point where floating points become unprecise
+ span_cmp(Axis,2,200),
+ cmp(Axis*Axis,round(Axis)).
+
+cmp_bignum(_Config) ->
+ span_cmp((1 bsl 58) - 1.0),%% Smallest bignum float
+
+ %% Test when the big num goes from I to I+1 in size
+ [span_cmp((1 bsl (32*I)) - 1.0) || I <- lists:seq(2,30)],
+
+ %% Test bignum greater then largest float
+ cmp((1 bsl (64*16)) - 1, (1 bsl (64*15)) * 1.0),
+ %% Test when num is much larger then float
+ [cmp((1 bsl (32*I)) - 1, (1 bsl (32*(I-2))) * 1.0) || I <- lists:seq(3,30)],
+ %% Test when float is much larger than num
+ [cmp((1 bsl (64*15)) * 1.0, (1 bsl (32*(I)))) || I <- lists:seq(1,29)],
+
+ %% Test that all int == float works as they should
+ [true = 1 bsl N == (1 bsl N)*1.0 || N <- lists:seq(0, 1023)],
+ [true = (1 bsl N)*-1 == (1 bsl N)*-1.0 || N <- lists:seq(0, 1023)].
+
+span_cmp(Axis) ->
+ span_cmp(Axis, 25).
+span_cmp(Axis, Length) ->
+ span_cmp(Axis, round(Axis) bsr 52, Length).
+span_cmp(Axis, Incr, Length) ->
+ [span_cmp(Axis, Incr, Length, 1 bsl (1 bsl I)) || I <- lists:seq(0,6)].
+%% This function creates tests around number axis. Both <, > and == is tested
+%% for both negative and positive numbers.
+%%
+%% Axis: The number around which to do the tests eg. (1 bsl 58) - 1.0
+%% Incr: How much to increment the test numbers inbetween each test.
+%% Length: Length/2 is the number of Incr away from Axis to test on the
+%% negative and positive plane.
+%% Diff: How much the float and int should differ when comparing
+span_cmp(Axis, Incr, Length, Diff) ->
+ [begin
+ cmp(round(Axis*-1.0)+Diff+I*Incr,Axis*-1.0+I*Incr),
+ cmp(Axis*-1.0+I*Incr,round(Axis*-1.0)-Diff+I*Incr)
+ end || I <- lists:seq((Length div 2)*-1,(Length div 2))],
+ [begin
+ cmp(round(Axis)+Diff+I*Incr,Axis+I*Incr),
+ cmp(Axis+I*Incr,round(Axis)-Diff+I*Incr)
+ end || I <- lists:seq((Length div 2)*-1,(Length div 2))].
+
+cmp(Big,Small) when is_float(Big) ->
+ BigGtSmall = lists:flatten(
+ io_lib:format("~f > ~p",[Big,Small])),
+ BigLtSmall = lists:flatten(
+ io_lib:format("~f < ~p",[Big,Small])),
+ BigEqSmall = lists:flatten(
+ io_lib:format("~f == ~p",[Big,Small])),
+ SmallGtBig = lists:flatten(
+ io_lib:format("~p > ~f",[Small,Big])),
+ SmallLtBig = lists:flatten(
+ io_lib:format("~p < ~f",[Small,Big])),
+ SmallEqBig = lists:flatten(
+ io_lib:format("~p == ~f",[Small,Big])),
+ cmp(Big,Small,BigGtSmall,BigLtSmall,SmallGtBig,SmallLtBig,
+ SmallEqBig,BigEqSmall);
+cmp(Big,Small) when is_float(Small) ->
+ BigGtSmall = lists:flatten(
+ io_lib:format("~p > ~f",[Big,Small])),
+ BigLtSmall = lists:flatten(
+ io_lib:format("~p < ~f",[Big,Small])),
+ BigEqSmall = lists:flatten(
+ io_lib:format("~p == ~f",[Big,Small])),
+ SmallGtBig = lists:flatten(
+ io_lib:format("~f > ~p",[Small,Big])),
+ SmallLtBig = lists:flatten(
+ io_lib:format("~f < ~p",[Small,Big])),
+ SmallEqBig = lists:flatten(
+ io_lib:format("~f == ~p",[Small,Big])),
+ cmp(Big,Small,BigGtSmall,BigLtSmall,SmallGtBig,SmallLtBig,
+ SmallEqBig,BigEqSmall).
+
+cmp(Big,Small,BigGtSmall,BigLtSmall,SmallGtBig,SmallLtBig,
+ SmallEqBig,BigEqSmall) ->
+ {_,_,_,true} = {Big,Small,BigGtSmall,
+ Big > Small},
+ {_,_,_,false} = {Big,Small,BigLtSmall,
+ Big < Small},
+ {_,_,_,false} = {Big,Small,SmallGtBig,
+ Small > Big},
+ {_,_,_,true} = {Big,Small,SmallLtBig,
+ Small < Big},
+ {_,_,_,false} = {Big,Small,SmallEqBig,
+ Small == Big},
+ {_,_,_,false} = {Big,Small,BigEqSmall,
+ Big == Small}.
+
id(I) -> I.
start_node(Config) when is_list(Config) ->
@@ -205,3 +303,25 @@ start_node(Config) when is_list(Config) ->
stop_node(Node) ->
?t:stop_node(Node).
+
+
+%% Test that operations that might hide infinite intermediate results
+%% do not supress the badarith.
+hidden_inf(Config) when is_list(Config) ->
+ ZeroP = 0.0,
+ ZeroN = id(ZeroP) * (-1),
+ [hidden_inf_1(A, B, Z, 9.23e307)
+ || A <- [1.0, -1.0, 3.1415, -0.00001000131, 3.57e257, ZeroP, ZeroN],
+ B <- [1.0, -1.0, 3.1415, -0.00001000131, 3.57e257, ZeroP, ZeroN],
+ Z <- [ZeroP, ZeroN]],
+ ok.
+
+hidden_inf_1(A, B, Zero, Huge) ->
+ {'EXIT',{badarith,_}} = (catch (B / (A / Zero))),
+ {'EXIT',{badarith,_}} = (catch (B * (A / Zero))),
+ {'EXIT',{badarith,_}} = (catch (B / (Huge * Huge))),
+ {'EXIT',{badarith,_}} = (catch (B * (Huge * Huge))),
+ {'EXIT',{badarith,_}} = (catch (B / (Huge + Huge))),
+ {'EXIT',{badarith,_}} = (catch (B * (Huge + Huge))),
+ {'EXIT',{badarith,_}} = (catch (B / (-Huge - Huge))),
+ {'EXIT',{badarith,_}} = (catch (B * (-Huge - Huge))).
diff --git a/erts/emulator/test/fun_r12_SUITE.erl b/erts/emulator/test/fun_r13_SUITE.erl
index 3b1dfc9825..76ddf9fec9 100644
--- a/erts/emulator/test/fun_r12_SUITE.erl
+++ b/erts/emulator/test/fun_r13_SUITE.erl
@@ -17,10 +17,10 @@
%% %CopyrightEnd%
%%
--module(fun_r12_SUITE).
--compile(r12).
+-module(fun_r13_SUITE).
+-compile(r13).
--export([all/0, suite/0,groups/0,init_per_suite/1, end_per_suite/1,
+-export([all/0, suite/0,groups/0,init_per_suite/1, end_per_suite/1,
init_per_group/2,end_per_group/2,
init_per_testcase/2,end_per_testcase/2,dist_old_release/1]).
@@ -29,10 +29,10 @@
suite() -> [{ct_hooks,[ts_install_cth]}].
-all() ->
+all() ->
[dist_old_release].
-groups() ->
+groups() ->
[].
init_per_suite(Config) ->
diff --git a/erts/emulator/test/guard_SUITE.erl b/erts/emulator/test/guard_SUITE.erl
index f41324c2cc..a5df9b59a0 100644
--- a/erts/emulator/test/guard_SUITE.erl
+++ b/erts/emulator/test/guard_SUITE.erl
@@ -421,7 +421,7 @@ try_gbif(Id, X, Y) ->
try_fail_gbif(Id, X, Y) ->
case catch guard_bif(Id, X, Y) of
- {'EXIT', {function_clause,[{?MODULE,guard_bif,[Id,X,Y]}|_]}} ->
+ {'EXIT',{function_clause,[{?MODULE,guard_bif,[Id,X,Y],_}|_]}} ->
io:format("guard_bif(~p, ~p, ~p) -- ok", [Id,X,Y]);
Other ->
?line ok = io:format("guard_bif(~p, ~p, ~p) -- bad result: ~p\n",
@@ -493,9 +493,9 @@ type_tests(Test, [Type|T], Allowed) ->
end;
false ->
case catch type_test(Test, Value) of
- {'EXIT', {function_clause, {?MODULE,type_test,[Test,Value]}}} ->
- ok;
- {'EXIT', {function_clause,[{?MODULE,type_test,[Test,Value]}|_]}} ->
+ {'EXIT',{function_clause,
+ [{?MODULE,type_test,[Test,Value],Loc}|_]}}
+ when is_list(Loc) ->
ok;
{'EXIT',Other} ->
?line test_server:fail({unexpected_error_reason,Other});
diff --git a/erts/emulator/test/mtx_SUITE.erl b/erts/emulator/test/mtx_SUITE.erl
index e0a7878bd8..879d2f61dd 100644
--- a/erts/emulator/test/mtx_SUITE.erl
+++ b/erts/emulator/test/mtx_SUITE.erl
@@ -62,16 +62,29 @@ init_per_suite(Config) when is_list(Config) ->
Config.
end_per_suite(Config) when is_list(Config) ->
+ catch erts_debug:set_internal_state(available_internal_state, false),
Config.
init_per_testcase(_Case, Config) ->
Dog = ?t:timetrap(?t:minutes(15)),
+ %% Wait for deallocations to complete since we measure
+ %% runtime in test cases.
+ wait_deallocations(),
[{watchdog, Dog}|Config].
end_per_testcase(_Func, Config) ->
Dog = ?config(watchdog, Config),
?t:timetrap_cancel(Dog).
+wait_deallocations() ->
+ try
+ erts_debug:set_internal_state(wait, deallocations)
+ catch
+ error:undef ->
+ erts_debug:set_internal_state(available_internal_state, true),
+ wait_deallocations()
+ end.
+
suite() -> [{ct_hooks,[ts_install_cth]}].
all() ->
diff --git a/erts/emulator/test/nif_SUITE.erl b/erts/emulator/test/nif_SUITE.erl
index f6344791f1..370363bf9e 100644
--- a/erts/emulator/test/nif_SUITE.erl
+++ b/erts/emulator/test/nif_SUITE.erl
@@ -35,7 +35,9 @@
resource_takeover/1,
threading/1, send/1, send2/1, send3/1, send_threaded/1, neg/1,
is_checks/1,
- get_length/1, make_atom/1, make_string/1]).
+ get_length/1, make_atom/1, make_string/1, reverse_list_test/1,
+ otp_9668/1
+ ]).
-export([many_args_100/100]).
@@ -60,7 +62,9 @@ all() ->
iolist_as_binary, resource, resource_binary,
resource_takeover, threading, send, send2, send3,
send_threaded, neg, is_checks, get_length, make_atom,
- make_string].
+ make_string,reverse_list_test,
+ otp_9668
+ ].
groups() ->
[].
@@ -1165,7 +1169,28 @@ is_checks(Config) when is_list(Config) ->
?line ensure_lib_loaded(Config, 1),
?line ok = check_is(hejsan, <<19,98>>, make_ref(), ok, fun() -> ok end,
self(), hd(erlang:ports()), [], [1,9,9,8],
- {hejsan, "hejsan", [$h,"ejs",<<"an">>]}),
+ {hejsan, "hejsan", [$h,"ejs",<<"an">>]}, 12),
+ ?line ok = check_is(hejsan, <<19,98>>, make_ref(), ok, fun() -> ok end,
+ self(), hd(erlang:ports()), [], [1,9,9,8],
+ {hejsan, "hejsan", [$h,"ejs",<<"an">>]}, -12),
+ ?line ok = check_is(hejsan, <<19,98>>, make_ref(), ok, fun() -> ok end,
+ self(), hd(erlang:ports()), [], [1,9,9,8],
+ {hejsan, "hejsan", [$h,"ejs",<<"an">>]}, 18446744073709551617),
+ ?line ok = check_is(hejsan, <<19,98>>, make_ref(), ok, fun() -> ok end,
+ self(), hd(erlang:ports()), [], [1,9,9,8],
+ {hejsan, "hejsan", [$h,"ejs",<<"an">>]}, -18446744073709551617),
+ ?line ok = check_is(hejsan, <<19,98>>, make_ref(), ok, fun() -> ok end,
+ self(), hd(erlang:ports()), [], [1,9,9,8],
+ {hejsan, "hejsan", [$h,"ejs",<<"an">>]}, 99.146),
+ ?line ok = check_is(hejsan, <<19,98>>, make_ref(), ok, fun() -> ok end,
+ self(), hd(erlang:ports()), [], [1,9,9,8],
+ {hejsan, "hejsan", [$h,"ejs",<<"an">>]}, -99.146),
+ ?line ok = check_is(hejsan, <<19,98>>, make_ref(), ok, fun() -> ok end,
+ self(), hd(erlang:ports()), [], [1,9,9,8],
+ {hejsan, "hejsan", [$h,"ejs",<<"an">>]}, 18446744073709551616.2e2),
+ ?line ok = check_is(hejsan, <<19,98>>, make_ref(), ok, fun() -> ok end,
+ self(), hd(erlang:ports()), [], [1,9,9,8],
+ {hejsan, "hejsan", [$h,"ejs",<<"an">>]}, -18446744073709551616.2e2),
try
?line error = check_is_exception(),
?line throw(expected_badarg)
@@ -1208,6 +1233,27 @@ make_string(Config) when is_list(Config) ->
AStringWithAccents = [$E,$r,$l,$a,$n,$g,$ ,16#e4,$r,$ ,$e,$t,$t,$ ,$g,$e,$n,$e,$r,$e,$l,$l,$t,$ ,$p,$r,$o,$g,$r,$a,$m,$s,$p,$r,16#e5,$k],
?line Strings = {A0String,A0String,A0String,A0String0, AStringWithAccents}.
+reverse_list_test(Config) ->
+ ?line ensure_lib_loaded(Config, 1),
+ List = lists:seq(1,100),
+ RevList = lists:reverse(List),
+ ?line RevList = reverse_list(List),
+ ?line badarg = reverse_list(foo).
+
+otp_9668(doc) -> ["Memory leak of tmp-buffer when inspecting iolist or unaligned binary in unbound environment"];
+otp_9668(Config) ->
+ ensure_lib_loaded(Config, 1),
+ TmpMem = tmpmem(),
+ IOList = ["This",' ',<<"is">>,' ',[<<"an iolist">>,'.']],
+ otp_9668_nif(IOList),
+
+ <<_:5/bitstring,UnalignedBin:10/binary,_/bitstring>> = <<"Abuse me as unaligned">>,
+ otp_9668_nif(UnalignedBin),
+
+ ?line verify_tmpmem(TmpMem),
+ ok.
+
+
tmpmem() ->
case erlang:system_info({allocator,temp_alloc}) of
false -> undefined;
@@ -1296,7 +1342,7 @@ get_resource(_,_) -> ?nif_stub.
release_resource(_) -> ?nif_stub.
last_resource_dtor_call() -> ?nif_stub.
make_new_resource(_,_) -> ?nif_stub.
-check_is(_,_,_,_,_,_,_,_,_,_) -> ?nif_stub.
+check_is(_,_,_,_,_,_,_,_,_,_,_) -> ?nif_stub.
check_is_exception() -> ?nif_stub.
length_test(_,_,_,_,_) -> ?nif_stub.
make_atoms() -> ?nif_stub.
@@ -1314,8 +1360,10 @@ send_blob_thread(_,_,_) -> ?nif_stub.
join_send_thread(_) -> ?nif_stub.
copy_blob(_) -> ?nif_stub.
send_term(_,_) -> ?nif_stub.
+reverse_list(_) -> ?nif_stub.
echo_int(_) -> ?nif_stub.
type_sizes() -> ?nif_stub.
+otp_9668_nif(_) -> ?nif_stub.
nif_stub_error(Line) ->
exit({nif_not_loaded,module,?MODULE,line,Line}).
diff --git a/erts/emulator/test/nif_SUITE_data/nif_SUITE.c b/erts/emulator/test/nif_SUITE_data/nif_SUITE.c
index 92f1bab8dd..7d7903af25 100644
--- a/erts/emulator/test/nif_SUITE_data/nif_SUITE.c
+++ b/erts/emulator/test/nif_SUITE_data/nif_SUITE.c
@@ -832,6 +832,7 @@ static ERL_NIF_TERM release_resource(ErlNifEnv* env, int argc, const ERL_NIF_TER
* argv[7] an empty list
* argv[8] a non-empty list
* argv[9] a tuple
+ * argv[10] a number (small, big integer or float)
*/
static ERL_NIF_TERM check_is(ErlNifEnv* env, int argc, const ERL_NIF_TERM argv[])
{
@@ -848,6 +849,7 @@ static ERL_NIF_TERM check_is(ErlNifEnv* env, int argc, const ERL_NIF_TERM argv[]
if (!enif_is_list(env, argv[7])) return enif_make_badarg(env);
if (!enif_is_list(env, argv[8])) return enif_make_badarg(env);
if (!enif_is_tuple(env, argv[9])) return enif_make_badarg(env);
+ if (!enif_is_number(env, argv[10])) return enif_make_badarg(env);
return ok_atom;
}
@@ -1421,6 +1423,34 @@ static ERL_NIF_TERM send_term(ErlNifEnv* env, int argc, const ERL_NIF_TERM argv[
return enif_make_int(env, ret);
}
+static ERL_NIF_TERM reverse_list(ErlNifEnv* env, int argc, const ERL_NIF_TERM argv[]) {
+ ERL_NIF_TERM rev_list;
+
+ if(!enif_make_reverse_list(env, argv[0], &rev_list))
+ return enif_make_atom(env, "badarg");
+ return rev_list;
+}
+
+static ERL_NIF_TERM otp_9668_nif(ErlNifEnv* env, int argc, const ERL_NIF_TERM argv[])
+{
+ /* Inspect in process independent env */
+ ErlNifEnv* myenv = enif_alloc_env();
+ ERL_NIF_TERM mycopy = enif_make_copy(myenv, argv[0]);
+ ErlNifBinary obin, cbin;
+
+ if ((enif_inspect_binary(env, argv[0], &obin)
+ && enif_inspect_binary(myenv, mycopy, &cbin))
+ ||
+ (enif_inspect_iolist_as_binary(env, argv[0], &obin)
+ && enif_inspect_iolist_as_binary(myenv, mycopy, &cbin)))
+ {
+ assert(obin.size == cbin.size);
+ assert(memcmp(obin.data, cbin.data, obin.size) == 0);
+ }
+ enif_free_env(myenv);
+ return atom_ok;
+}
+
static ErlNifFunc nif_funcs[] =
{
{"lib_version", 0, lib_version},
@@ -1447,7 +1477,7 @@ static ErlNifFunc nif_funcs[] =
{"release_resource", 1, release_resource},
{"last_resource_dtor_call", 0, last_resource_dtor_call},
{"make_new_resource", 2, make_new_resource},
- {"check_is", 10, check_is},
+ {"check_is", 11, check_is},
{"check_is_exception", 0, check_is_exception},
{"length_test", 5, length_test},
{"make_atoms", 0, make_atoms},
@@ -1466,8 +1496,10 @@ static ErlNifFunc nif_funcs[] =
{"join_send_thread", 1, join_send_thread},
{"copy_blob", 1, copy_blob},
{"send_term", 2, send_term},
+ {"reverse_list",1, reverse_list},
{"echo_int", 1, echo_int},
- {"type_sizes", 0, type_sizes}
+ {"type_sizes", 0, type_sizes},
+ {"otp_9668_nif", 1, otp_9668_nif}
};
ERL_NIF_INIT(nif_SUITE,nif_funcs,load,reload,upgrade,unload)
diff --git a/erts/emulator/test/process_SUITE.erl b/erts/emulator/test/process_SUITE.erl
index f68e712268..fdc55a4cc5 100644
--- a/erts/emulator/test/process_SUITE.erl
+++ b/erts/emulator/test/process_SUITE.erl
@@ -35,7 +35,7 @@
self_exit/1, normal_suicide_exit/1, abnormal_suicide_exit/1,
t_exit_2_catch/1, trap_exit_badarg/1, trap_exit_badarg_in_bif/1,
exit_and_timeout/1, exit_twice/1,
- t_process_info/1, process_info_other_msg/1,
+ t_process_info/1, process_info_other/1, process_info_other_msg/1,
process_info_other_dist_msg/1,
process_info_2_list/1, process_info_lock_reschedule/1,
process_info_lock_reschedule2/1,
@@ -64,7 +64,7 @@ suite() -> [{ct_hooks,[ts_install_cth]}].
all() ->
[spawn_with_binaries, t_exit_1, {group, t_exit_2},
trap_exit_badarg, trap_exit_badarg_in_bif,
- t_process_info, process_info_other_msg,
+ t_process_info, process_info_other, process_info_other_msg,
process_info_other_dist_msg, process_info_2_list,
process_info_lock_reschedule,
process_info_lock_reschedule2,
@@ -258,7 +258,9 @@ trap_exit_badarg() ->
?line Pid = fun_spawn(fun() -> bad_guy(kb_128()) end),
?line Garbage = kb_128(),
?line receive
- {'EXIT', Pid, {badarg,[{erlang,abs,[Garbage]},{?MODULE,bad_guy,1}|_]}} ->
+ {'EXIT',Pid,{badarg,[{erlang,abs,[Garbage],Loc1},
+ {?MODULE,bad_guy,1,Loc2}|_]}}
+ when is_list(Loc1), is_list(Loc2) ->
ok;
Other ->
?line ok = io:format("Bad EXIT message: ~P", [Other, 30]),
@@ -410,7 +412,7 @@ etwice_high(Low) ->
exit(Low, first),
exit(Low, second).
-%% Tests the process_info/1 BIF.
+%% Tests the process_info/2 BIF.
t_process_info(Config) when is_list(Config) ->
?line [] = process_info(self(), registered_name),
?line register(my_name, self()),
@@ -418,13 +420,100 @@ t_process_info(Config) when is_list(Config) ->
?line {status, running} = process_info(self(), status),
?line {min_heap_size, 233} = process_info(self(), min_heap_size),
?line {min_bin_vheap_size, 46368} = process_info(self(), min_bin_vheap_size),
- ?line {current_function, {?MODULE, t_process_info, 1}} =
+ ?line {current_function,{?MODULE,t_process_info,1}} =
process_info(self(), current_function),
+ ?line {current_function,{?MODULE,t_process_info,1}} =
+ apply(erlang, process_info, [self(),current_function]),
+
+ %% current_location and current_stacktrace
+ {Line1,Res1} = {?LINE,process_info(self(), current_location)},
+ verify_loc(Line1, Res1),
+ {Line2,Res2} = {?LINE,apply(erlang, process_info,
+ [self(),current_location])},
+ verify_loc(Line2, Res2),
+ pi_stacktrace([{?MODULE,t_process_info,1,?LINE}]),
+
?line Gleader = group_leader(),
?line {group_leader, Gleader} = process_info(self(), group_leader),
?line {'EXIT',{badarg,_Info}} = (catch process_info('not_a_pid')),
ok.
+pi_stacktrace(Expected0) ->
+ {Line,Res} = {?LINE,erlang:process_info(self(), current_stacktrace)},
+ {current_stacktrace,Stack} = Res,
+ Expected = [{?MODULE,pi_stacktrace,1,Line}|Expected0],
+ pi_stacktrace_1(Stack, Expected).
+
+pi_stacktrace_1([{M,F,A,Loc}|Stk], [{M,F,A,Line}|Exp]) ->
+ case Loc of
+ [] ->
+ %% No location info for some reason (+L, native code).
+ io:format("Missing location information for ~w:~w/~w",
+ [M,F,A]),
+ ok;
+ [_|_] ->
+ Line = proplists:get_value(line, Loc),
+ File = proplists:get_value(file, Loc),
+ File = ?MODULE_STRING ++ ".erl"
+ end,
+ pi_stacktrace_1(Stk, Exp);
+pi_stacktrace_1([_|_], []) -> ok.
+
+verify_loc(Line, {current_location,{?MODULE,t_process_info=F,1=A,Loc}}) ->
+ case Loc of
+ [] ->
+ %% No location info for some reason (+L, native code).
+ io:format("Missing location information for ~w:~w/~w",
+ [?MODULE,F,A]),
+ ok;
+ [_|_] ->
+ Line = proplists:get_value(line, Loc),
+ File = proplists:get_value(file, Loc),
+ File = ?MODULE_STRING ++ ".erl"
+ end.
+
+process_info_other(Config) when is_list(Config) ->
+ Self = self(),
+ Pid = spawn_link(fun() -> process_info_looper(Self) end),
+ receive after 1 -> ok end,
+ pio_current_location(10000, Pid, 0, 0),
+ pio_current_stacktrace().
+
+pio_current_location(0, _, Pi, Looper) ->
+ io:format("~w call(s) to erlang:process_info/2", [Pi]),
+ io:format("~w call(s) to ~w:process_info_looper/1", [Looper,?MODULE]);
+pio_current_location(N, Pid, Pi, Looper) ->
+ erlang:yield(),
+ {current_location,Where} = process_info(Pid, current_location),
+ case Where of
+ {erlang,process_info,2,[]} ->
+ pio_current_location(N-1, Pid, Pi+1, Looper);
+ {?MODULE,process_info_looper,1,Loc} when is_list(Loc) ->
+ pio_current_location(N-1, Pid, Pi, Looper+1)
+ end.
+
+pio_current_stacktrace() ->
+ L = [begin
+ {current_stacktrace,Stk} = process_info(P, current_stacktrace),
+ {P,Stk}
+ end || P <- processes()],
+ [erlang:garbage_collect(P) || {P,_} <- L],
+ erlang:garbage_collect(),
+ [verify_stacktrace(Stk) || {_,Stk} <- L],
+ ok.
+
+verify_stacktrace([{M,F,A,Loc}|T])
+ when is_atom(M),
+ is_atom(F),
+ is_integer(A),
+ is_list(Loc) ->
+ verify_stacktrace(T);
+verify_stacktrace([]) -> ok.
+
+process_info_looper(Parent) ->
+ process_info(Parent, current_location),
+ process_info_looper(Parent).
+
%% Tests the process_info/1 BIF on another process with messages.
process_info_other_msg(Config) when is_list(Config) ->
Self = self(),
diff --git a/erts/emulator/test/system_info_SUITE.erl b/erts/emulator/test/system_info_SUITE.erl
index 9b782b35a2..0350eb671d 100644
--- a/erts/emulator/test/system_info_SUITE.erl
+++ b/erts/emulator/test/system_info_SUITE.erl
@@ -37,7 +37,7 @@
init_per_group/2,end_per_group/2,
init_per_testcase/2, end_per_testcase/2]).
--export([process_count/1, system_version/1, misc_smoke_tests/1, heap_size/1, wordsize/1]).
+-export([process_count/1, system_version/1, misc_smoke_tests/1, heap_size/1, wordsize/1, memory/1]).
-define(DEFAULT_TIMEOUT, ?t:minutes(2)).
@@ -45,7 +45,7 @@ suite() -> [{ct_hooks,[ts_install_cth]}].
all() ->
[process_count, system_version, misc_smoke_tests,
- heap_size, wordsize].
+ heap_size, wordsize, memory].
groups() ->
[].
@@ -187,3 +187,312 @@ wordsize(Config) when is_list(Config) ->
Other ->
exit({unexpected_wordsizes,Other})
end.
+
+memory(doc) -> ["Verify that erlang:memory/0 and memory results in crashdump produce are similar"];
+memory(Config) when is_list(Config) ->
+ %%
+ %% Verify that erlang:memory/0 and memory results in
+ %% crashdump produce are similar.
+ %%
+ %% erlang:memory/0 requests information from each scheduler
+ %% thread and puts the information together in erlang code
+ %% (erlang.erl).
+ %%
+ %% When a crash dump is written we cannot use the
+ %% erlang:memory/0 implementation. The crashdump implementation
+ %% is a pure C implementation inspecting all allocator instances
+ %% after the system has been blocked (erts_memory() in erl_alloc.c).
+ %%
+ %% Since we got two implementations, modifications can easily
+ %% cause them to produce different results.
+ %%
+ %% erts_debug:get_internal_state(memory) blocks the system and
+ %% execute the same code as the crash dump writing uses.
+ %%
+
+ erts_debug:set_internal_state(available_internal_state, true),
+ %% Use a large heap size on the controling process in
+ %% order to avoid changes in its heap size during
+ %% comparisons.
+ MinHeapSize = process_flag(min_heap_size, 1024*1024),
+ Prio = process_flag(priority, max),
+ try
+ erlang:memory(), %% first call will init stat atoms
+ garbage_collect(), %% blow up heap
+ memory_test(Config)
+ catch
+ error:notsup -> {skipped, "erlang:memory() not supported"}
+ after
+ process_flag(min_heap_size, MinHeapSize),
+ process_flag(priority, Prio),
+ catch erts_debug:set_internal_state(available_internal_state, false)
+ end.
+
+memory_test(_Config) ->
+
+ MWs = spawn_mem_workers(),
+
+ DPs = mem_workers_call(MWs,
+ fun () ->
+ mapn(fun (_) ->
+ spawn(fun () ->
+ receive
+ after infinity ->
+ ok
+ end
+ end)
+ end,
+ 1000 div erlang:system_info(schedulers_online))
+ end,
+ []),
+ cmp_memory(MWs, "spawn procs"),
+
+ Ps = lists:flatten(DPs),
+
+ mem_workers_call(MWs,
+ fun () ->
+ lists:foreach(fun (P) -> link(P) end, Ps)
+ end,
+ []),
+ cmp_memory(MWs, "link procs"),
+ mem_workers_call(MWs,
+ fun () ->
+ lists:foreach(fun (P) -> unlink(P) end, Ps)
+ end,
+ []),
+ cmp_memory(MWs, "unlink procs"),
+
+ DMs = mem_workers_call(MWs,
+ fun () ->
+ lists:map(fun (P) ->
+ monitor(process, P)
+ end, Ps)
+ end,
+ []),
+ cmp_memory(MWs, "monitor procs"),
+ Ms = lists:flatten(DMs),
+ mem_workers_call(MWs,
+ fun () ->
+ lists:foreach(fun (M) ->
+ demonitor(M)
+ end, Ms)
+ end,
+ []),
+ cmp_memory(MWs, "demonitor procs"),
+
+ mem_workers_call(MWs,
+ fun () ->
+ lists:foreach(fun (P) ->
+ P ! {a, "message", make_ref()}
+ end, Ps)
+ end,
+ []),
+ cmp_memory(MWs, "message procs"),
+
+ mem_workers_call(MWs,
+ fun () ->
+ Mons = lists:map(fun (P) ->
+ exit(P, kill),
+ monitor(process, P)
+ end,
+ Ps),
+ lists:foreach(fun (Mon) ->
+ receive
+ {'DOWN', Mon, _, _, _} -> ok
+ end
+ end,
+ Mons)
+ end, []),
+ cmp_memory(MWs, "kill procs"),
+
+ mem_workers_call(MWs,
+ fun () ->
+ put(binary_data,
+ mapn(fun (_) -> list_to_binary(lists:duplicate(256,$?)) end, 100))
+ end,
+ []),
+
+ cmp_memory(MWs, "store binary data"),
+
+ mem_workers_call(MWs,
+ fun () ->
+ put(binary_data, false),
+ garbage_collect()
+ end,
+ []),
+ cmp_memory(MWs, "release binary data"),
+
+ mem_workers_call(MWs,
+ fun () ->
+ list_to_atom("an ugly atom "++integer_to_list(erlang:system_info(scheduler_id))),
+ list_to_atom("another ugly atom "++integer_to_list(erlang:system_info(scheduler_id))),
+ list_to_atom("yet another ugly atom "++integer_to_list(erlang:system_info(scheduler_id)))
+ end,
+ []),
+ cmp_memory(MWs, "new atoms"),
+
+
+ mem_workers_call(MWs,
+ fun () ->
+ T = ets:new(?MODULE, []),
+ ets:insert(T, {gurka, lists:seq(1,10000)}),
+ ets:insert(T, {banan, lists:seq(1,1024)}),
+ ets:insert(T, {appelsin, make_ref()}),
+ put(ets_id, T)
+ end,
+ []),
+ cmp_memory(MWs, "store ets data"),
+
+ mem_workers_call(MWs,
+ fun () ->
+ ets:delete(get(ets_id)),
+ put(ets_id, false)
+ end,
+ []),
+ cmp_memory(MWs, "remove ets data"),
+
+ lists:foreach(fun (MW) ->
+ unlink(MW),
+ Mon = monitor(process, MW),
+ exit(MW, kill),
+ receive
+ {'DOWN', Mon, _, _, _} -> ok
+ end
+ end,
+ MWs),
+ ok.
+
+mem_worker() ->
+ receive
+ {call, From, Fun, Args} ->
+ From ! {reply, self(), apply(Fun, Args)},
+ mem_worker();
+ {cast, _From, Fun, Args} ->
+ apply(Fun, Args),
+ mem_worker()
+ end.
+
+mem_workers_call(MWs, Fun, Args) ->
+ lists:foreach(fun (MW) ->
+ MW ! {call, self(), Fun, Args}
+ end,
+ MWs),
+ lists:map(fun (MW) ->
+ receive
+ {reply, MW, Res} ->
+ Res
+ end
+ end,
+ MWs).
+
+mem_workers_cast(MWs, Fun, Args) ->
+ lists:foreach(fun (MW) ->
+ MW ! {cast, self(), Fun, Args}
+ end,
+ MWs).
+
+spawn_mem_workers() ->
+ spawn_mem_workers(erlang:system_info(schedulers_online)).
+
+spawn_mem_workers(0) ->
+ [];
+spawn_mem_workers(N) ->
+ [spawn_opt(fun () -> mem_worker() end,
+ [{scheduler, N rem erlang:system_info(schedulers_online) + 1},
+ link]) | spawn_mem_workers(N-1)].
+
+
+
+mem_get(X, Mem) ->
+ case lists:keyfind(X, 1, Mem) of
+ {X, Val} -> Val;
+ false -> false
+ end.
+
+cmp_memory(What, Mem1, Mem2, 1) ->
+ R1 = mem_get(What, Mem1),
+ R2 = mem_get(What, Mem2),
+ true = R1 == R2;
+cmp_memory(What, Mem1, Mem2, RelDiff) ->
+ %% We allow RealDiff diff
+ R1 = mem_get(What, Mem1),
+ R2 = mem_get(What, Mem2),
+ case R1 == R2 of
+ true ->
+ ok;
+ false ->
+ case R1 > R2 of
+ true ->
+ true = R2*RelDiff > R1;
+ false ->
+ true = R1*RelDiff > R2
+ end
+ end.
+
+pos_int(Val) when Val >= 0 ->
+ Val;
+pos_int(Val) ->
+ exit({not_pos_int, Val}).
+
+check_sane_memory(Mem) ->
+ Tot = pos_int(mem_get(total, Mem)),
+ Proc = pos_int(mem_get(processes, Mem)),
+ ProcUsed = pos_int(mem_get(processes_used, Mem)),
+ Sys = pos_int(mem_get(system, Mem)),
+ Atom = pos_int(mem_get(atom, Mem)),
+ AtomUsed = pos_int(mem_get(atom_used, Mem)),
+ Bin = pos_int(mem_get(binary, Mem)),
+ Code = pos_int(mem_get(code, Mem)),
+ Ets = pos_int(mem_get(ets, Mem)),
+
+ Tot = Proc + Sys,
+ true = Sys > Atom + Bin + Code + Ets,
+ true = Proc >= ProcUsed,
+ true = Atom >= AtomUsed,
+
+ case mem_get(maximum, Mem) of
+ false -> ok;
+ Max -> true = pos_int(Max) >= Tot
+ end,
+ ok.
+
+cmp_memory(MWs, Str) ->
+ erlang:display(Str),
+ lists:foreach(fun (MW) -> garbage_collect(MW) end, MWs),
+ garbage_collect(),
+ erts_debug:set_internal_state(wait, deallocations),
+
+ EDM = erts_debug:get_internal_state(memory),
+ EM = erlang:memory(),
+
+ io:format("~s:~n"
+ "erlang:memory() = ~p~n"
+ "crash dump memory = ~p~n",
+ [Str, EM, EDM]),
+
+ ?line check_sane_memory(EM),
+ ?line check_sane_memory(EDM),
+
+ %% We expect these to always give us exactly the same result
+
+ ?line cmp_memory(atom, EM, EDM, 1),
+ ?line cmp_memory(atom_used, EM, EDM, 1),
+ ?line cmp_memory(binary, EM, EDM, 1),
+ ?line cmp_memory(code, EM, EDM, 1),
+ ?line cmp_memory(ets, EM, EDM, 1),
+
+ %% Total, processes, processes_used, and system will seldom
+ %% give us exactly the same result since the two readings
+ %% aren't taken atomically.
+
+ ?line cmp_memory(total, EM, EDM, 1.05),
+ ?line cmp_memory(processes, EM, EDM, 1.05),
+ ?line cmp_memory(processes_used, EM, EDM, 1.05),
+ ?line cmp_memory(system, EM, EDM, 1.05),
+
+ ok.
+
+mapn(_Fun, 0) ->
+ [];
+mapn(Fun, N) ->
+ [Fun(N) | mapn(Fun, N-1)].
diff --git a/erts/emulator/test/trace_local_SUITE.erl b/erts/emulator/test/trace_local_SUITE.erl
index 091e960610..32e2a98e3c 100644
--- a/erts/emulator/test/trace_local_SUITE.erl
+++ b/erts/emulator/test/trace_local_SUITE.erl
@@ -767,8 +767,8 @@ exception_test(Opts, Func0, Args0) ->
end,
?line R1 = exc_slave(ExcOpts, Func, Args),
- ?line Stack2 = [{?MODULE,exc_top,3},{?MODULE,slave,2}],
- ?line Stack3 = [{?MODULE,exc,2}|Stack2],
+ ?line Stack2 = [{?MODULE,exc_top,3,[]},{?MODULE,slave,2,[]}],
+ ?line Stack3 = [{?MODULE,exc,2,[]}|Stack2],
?line Rs =
case x_exc_top(ExcOpts, Func, Args) of % Emulation
{crash,{Reason,Stack}}=R when is_list(Stack) ->
@@ -789,21 +789,29 @@ exception_test(Opts, Func0, Args0) ->
end,
?line expect({nm}).
-exception_validate(R1, [R2|Rs]) ->
+exception_validate(R0, Rs0) ->
+ R = clean_location(R0),
+ Rs = [clean_location(E) || E <- Rs0],
+ exception_validate_1(R, Rs).
+
+exception_validate_1(R1, [R2|Rs]) ->
case [R1|R2] of
[R|R] ->
ok;
- [{crash,{badarg,[{lists,reverse,[L1a,L1b]}|T]}}|
- {crash,{badarg,[{lists,reverse,[L2a,L2b]}|T]}}] ->
+ [{crash,{badarg,[{lists,reverse,[L1a,L1b],_}|T]}}|
+ {crash,{badarg,[{lists,reverse,[L2a,L2b],_}|T]}}] ->
same({crash,{badarg,[{lists,reverse,
- [lists:reverse(L1b, L1a),[]]}|T]}},
+ [lists:reverse(L1b, L1a),[]],[]}|T]}},
{crash,{badarg,[{lists,reverse,
- [lists:reverse(L2b, L2a),[]]}|T]}});
+ [lists:reverse(L2b, L2a),[]],[]}|T]}});
_ when is_list(Rs), Rs =/= [] ->
exception_validate(R1, Rs)
end.
-
+clean_location({crash,{Reason,Stk0}}) ->
+ Stk = [{M,F,A,[]} || {M,F,A,_} <- Stk0],
+ {crash,{Reason,Stk}};
+clean_location(Term) -> Term.
%%% Tracee target functions %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%%%
@@ -1057,10 +1065,10 @@ x_exc_exception(_Rtt, M, F, _, Arity, CR) ->
x_exc_stacktrace() ->
x_exc_stacktrace(erlang:get_stacktrace()).
%% Truncate stacktrace to below exc/2
-x_exc_stacktrace([{?MODULE,x_exc,4}|_]) -> [];
-x_exc_stacktrace([{?MODULE,x_exc_func,4}|_]) -> [];
-x_exc_stacktrace([{?MODULE,x_exc_body,4}|_]) -> [];
-x_exc_stacktrace([{?MODULE,exc,2}|_]) -> [];
+x_exc_stacktrace([{?MODULE,x_exc,4,_}|_]) -> [];
+x_exc_stacktrace([{?MODULE,x_exc_func,4,_}|_]) -> [];
+x_exc_stacktrace([{?MODULE,x_exc_body,4,_}|_]) -> [];
+x_exc_stacktrace([{?MODULE,exc,2,_}|_]) -> [];
x_exc_stacktrace([H|T]) ->
[H|x_exc_stacktrace(T)].