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-rw-r--r--erts/emulator/test/alloc_SUITE.erl454
1 files changed, 315 insertions, 139 deletions
diff --git a/erts/emulator/test/alloc_SUITE.erl b/erts/emulator/test/alloc_SUITE.erl
index 801ed0f85a..84cf4921d3 100644
--- a/erts/emulator/test/alloc_SUITE.erl
+++ b/erts/emulator/test/alloc_SUITE.erl
@@ -1,25 +1,25 @@
%%
%% %CopyrightBegin%
%%
-%% Copyright Ericsson AB 2003-2013. All Rights Reserved.
+%% Copyright Ericsson AB 2003-2016. 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%
-module(alloc_SUITE).
-author('[email protected]').
--export([all/0, suite/0,groups/0,init_per_suite/1, end_per_suite/1,
- init_per_group/2,end_per_group/2]).
+-export([all/0, suite/0, init_per_testcase/2, end_per_testcase/2]).
-export([basic/1,
coalesce/1,
@@ -29,44 +29,24 @@
bucket_mask/1,
rbtree/1,
mseg_clear_cache/1,
- cpool/1]).
-
--export([init_per_testcase/2, end_per_testcase/2]).
-
--include_lib("test_server/include/test_server.hrl").
+ erts_mmap/1,
+ cpool/1,
+ migration/1]).
--define(DEFAULT_TIMETRAP_SECS, 240).
+-include_lib("common_test/include/ct.hrl").
-suite() -> [{ct_hooks,[ts_install_cth]}].
+suite() ->
+ [{ct_hooks,[ts_install_cth]},
+ {timetrap, {minutes, 4}}].
all() ->
[basic, coalesce, threads, realloc_copy, bucket_index,
- bucket_mask, rbtree, mseg_clear_cache, cpool].
-
-groups() ->
- [].
-
-init_per_suite(Config) ->
- Config.
-
-end_per_suite(_Config) ->
- ok.
-
-init_per_group(_GroupName, Config) ->
- Config.
-
-end_per_group(_GroupName, Config) ->
- Config.
-
-
+ bucket_mask, rbtree, mseg_clear_cache, erts_mmap, cpool, migration].
init_per_testcase(Case, Config) when is_list(Config) ->
- Dog = ?t:timetrap(?t:seconds(?DEFAULT_TIMETRAP_SECS)),
- [{watchdog, Dog},{testcase, Case}|Config].
+ [{testcase, Case},{debug,false}|Config].
end_per_testcase(_Case, Config) when is_list(Config) ->
- Dog = ?config(watchdog, Config),
- ?t:timetrap_cancel(Dog),
ok.
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
@@ -74,41 +54,95 @@ end_per_testcase(_Case, Config) when is_list(Config) ->
%% Testcases %%
%% %%
-basic(suite) -> [];
-basic(doc) -> [];
-basic(Cfg) -> ?line drv_case(Cfg).
-
-coalesce(suite) -> [];
-coalesce(doc) -> [];
-coalesce(Cfg) -> ?line drv_case(Cfg).
-
-threads(suite) -> [];
-threads(doc) -> [];
-threads(Cfg) -> ?line drv_case(Cfg).
-
-realloc_copy(suite) -> [];
-realloc_copy(doc) -> [];
-realloc_copy(Cfg) -> ?line drv_case(Cfg).
-
-bucket_index(suite) -> [];
-bucket_index(doc) -> [];
-bucket_index(Cfg) -> ?line drv_case(Cfg).
+basic(Cfg) -> drv_case(Cfg).
+coalesce(Cfg) -> drv_case(Cfg).
+threads(Cfg) -> drv_case(Cfg).
+realloc_copy(Cfg) -> drv_case(Cfg).
+bucket_index(Cfg) -> drv_case(Cfg).
+bucket_mask(Cfg) -> drv_case(Cfg).
+rbtree(Cfg) -> drv_case(Cfg).
+mseg_clear_cache(Cfg) -> drv_case(Cfg).
+cpool(Cfg) -> drv_case(Cfg).
+
+migration(Cfg) ->
+ case erlang:system_info(smp_support) of
+ true ->
+ drv_case(Cfg, concurrent, "+MZe true");
+ false ->
+ {skipped, "No smp"}
+ end.
-bucket_mask(suite) -> [];
-bucket_mask(doc) -> [];
-bucket_mask(Cfg) -> ?line drv_case(Cfg).
+erts_mmap(Config) when is_list(Config) ->
+ case {os:type(), mmsc_flags()} of
+ {{unix,_}, false} ->
+ [erts_mmap_do(Config, SCO, SCRPM, SCRFSD)
+ || SCO <-[true,false], SCRFSD <-[1234,0], SCRPM <- [true,false]];
+ {{unix,_}, Flags} ->
+ {skipped, Flags};
+ {{SkipOs,_},_} ->
+ {skipped,
+ lists:flatten(["Not run on "
+ | io_lib:format("~p",[SkipOs])])}
+ end.
-rbtree(suite) -> [];
-rbtree(doc) -> [];
-rbtree(Cfg) -> ?line drv_case(Cfg).
+%% Check if there are ERL_FLAGS set that will mess up this test case
+mmsc_flags() ->
+ case mmsc_flags("ERL_FLAGS") of
+ false -> mmsc_flags("ERL_ZFLAGS");
+ Flags -> Flags
+ end.
+mmsc_flags(Env) ->
+ case os:getenv(Env) of
+ false -> false;
+ V -> case string:str(V, "+MMsc") of
+ 0 -> false;
+ P -> Env ++ "=" ++ string:substr(V, P)
+ end
+ end.
-mseg_clear_cache(suite) -> [];
-mseg_clear_cache(doc) -> [];
-mseg_clear_cache(Cfg) -> ?line drv_case(Cfg).
+erts_mmap_do(Config, SCO, SCRPM, SCRFSD) ->
+ %% We use the number of schedulers + 1 * approx main carriers size
+ %% to calculate how large the super carrier has to be
+ %% and then use a minimum of 100 for systems with a low amount of
+ %% schedulers
+ Schldr = erlang:system_info(schedulers_online)+1,
+ SCS = max(round((262144 * 6 + 3 * 1048576) * Schldr / 1024 / 1024),100),
+ O1 = "+MMscs" ++ integer_to_list(SCS)
+ ++ " +MMsco" ++ atom_to_list(SCO)
+ ++ " +MMscrpm" ++ atom_to_list(SCRPM),
+ Opts = case SCRFSD of
+ 0 -> O1;
+ _ -> O1 ++ " +MMscrfsd"++integer_to_list(SCRFSD)
+ end,
+ {ok, Node} = start_node(Config, Opts),
+ Self = self(),
+ Ref = make_ref(),
+ F = fun() ->
+ SI = erlang:system_info({allocator,erts_mmap}),
+ {default_mmap,EM} = lists:keyfind(default_mmap, 1, SI),
+ {supercarrier,SC} = lists:keyfind(supercarrier, 1, EM),
+ {sizes,Sizes} = lists:keyfind(sizes, 1, SC),
+ {free_segs,Segs} = lists:keyfind(free_segs,1,SC),
+ {total,Total} = lists:keyfind(total,1,Sizes),
+ io:format("Expecting total ~w, got ~w~n", [SCS*1024*1024,Total]),
+ Total = SCS*1024*1024,
+
+ {reserved,Reserved} = lists:keyfind(reserved,1,Segs),
+ true = (Reserved >= SCRFSD),
+
+ case {SCO,lists:keyfind(os,1,EM)} of
+ {true, false} -> ok;
+ {false, {os,_}} -> ok
+ end,
+
+ Self ! {Ref, ok}
+ end,
+
+ spawn_link(Node, F),
+ Result = receive {Ref, Rslt} -> Rslt end,
+ stop_node(Node),
+ Result.
-cpool(suite) -> [];
-cpool(doc) -> [];
-cpool(Cfg) -> ?line drv_case(Cfg).
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%% %%
@@ -116,82 +150,224 @@ cpool(Cfg) -> ?line drv_case(Cfg).
%% %%
drv_case(Config) ->
- drv_case(Config, "").
+ drv_case(Config, one_shot, "").
-drv_case(Config, Command) when is_list(Config),
- is_list(Command) ->
- case ?t:os_type() of
+drv_case(Config, Mode, NodeOpts) when is_list(Config) ->
+ case os:type() of
{Family, _} when Family == unix; Family == win32 ->
- ?line {ok, Node} = start_node(Config),
- ?line Self = self(),
- ?line Ref = make_ref(),
- ?line spawn_link(Node,
+ {ok, Node} = start_node(Config, NodeOpts),
+ Self = self(),
+ Ref = make_ref(),
+ spawn_link(Node,
fun () ->
- Res = run_drv_case(Config, Command),
+ Res = run_drv_case(Config, Mode),
Self ! {Ref, Res}
end),
- ?line Result = receive {Ref, Rslt} -> Rslt end,
- ?line stop_node(Node),
- ?line Result;
+ Result = receive {Ref, Rslt} -> Rslt end,
+ stop_node(Node),
+ Result;
SkipOs ->
- ?line {skipped,
+ {skipped,
lists:flatten(["Not run on "
| io_lib:format("~p",[SkipOs])])}
end.
-run_drv_case(Config, Command) ->
- ?line DataDir = ?config(data_dir,Config),
- ?line CaseName = ?config(testcase,Config),
- case erl_ddll:load_driver(DataDir, CaseName) of
- ok -> ok;
- {error, Error} ->
- io:format("~s\n", [erl_ddll:format_error(Error)]),
- ?line ?t:fail()
+run_drv_case(Config, Mode) ->
+ DataDir = proplists:get_value(data_dir,Config),
+ CaseName = proplists:get_value(testcase,Config),
+ File = filename:join(DataDir, CaseName),
+ {ok,CaseName,Bin} = compile:file(File, [binary,return_errors]),
+ {module,CaseName} = erlang:load_module(CaseName,Bin),
+ print_stats(CaseName),
+ ok = CaseName:init(File),
+
+ SlaveState = slave_init(CaseName),
+ case Mode of
+ one_shot ->
+ Result = one_shot(CaseName);
+
+ concurrent ->
+ Result = concurrent(CaseName)
end,
- ?line Port = open_port({spawn, atom_to_list(CaseName)}, []),
- ?line true = is_port(Port),
- ?line Port ! {self(), {command, Command}},
- ?line Result = receive_drv_result(Port, CaseName),
- ?line Port ! {self(), close},
- ?line receive
- {Port, closed} ->
- ok
- end,
- ?line ok = erl_ddll:unload_driver(CaseName),
- ?line Result.
-
-receive_drv_result(Port, CaseName) ->
- ?line receive
- {print, Port, CaseName, Str} ->
- ?line ?t:format("~s", [Str]),
- ?line receive_drv_result(Port, CaseName);
- {'EXIT', Port, Error} ->
- ?line ?t:fail(Error);
- {'EXIT', error, Error} ->
- ?line ?t:fail(Error);
- {failed, Port, CaseName, Comment} ->
- ?line ?t:fail(Comment);
- {skipped, Port, CaseName, Comment} ->
- ?line {skipped, Comment};
- {succeeded, Port, CaseName, ""} ->
- ?line succeeded;
- {succeeded, Port, CaseName, Comment} ->
- ?line {comment, Comment}
- end.
-
-start_node(Config) when is_list(Config) ->
- ?line Pa = filename:dirname(code:which(?MODULE)),
- ?line {A, B, C} = now(),
- ?line Name = list_to_atom(atom_to_list(?MODULE)
- ++ "-"
- ++ atom_to_list(?config(testcase, Config))
- ++ "-"
- ++ integer_to_list(A)
- ++ "-"
- ++ integer_to_list(B)
- ++ "-"
- ++ integer_to_list(C)),
- ?line ?t:start_node(Name, slave, [{args, "-pa "++Pa}]).
+ wait_for_memory_deallocations(),
+ print_stats(CaseName),
+
+ true = erlang:delete_module(CaseName),
+ slave_end(SlaveState),
+ Result.
+
+slave_init(migration) ->
+ A0 = case application:start(sasl) of
+ ok -> [sasl];
+ _ -> []
+ end,
+ case application:start(os_mon) of
+ ok -> [os_mon|A0];
+ _ -> A0
+ end;
+slave_init(_) -> [].
+
+slave_end(Apps) ->
+ lists:foreach(fun (A) -> application:stop(A) end, Apps).
+
+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.
+
+print_stats(migration) ->
+ {Btot,Ctot} = lists:foldl(fun({instance,Inr,Istats}, {Bacc,Cacc}) ->
+ {mbcs,MBCS} = lists:keyfind(mbcs, 1, Istats),
+ Btup = lists:keyfind(blocks, 1, MBCS),
+ Ctup = lists:keyfind(carriers, 1, MBCS),
+ io:format("{instance,~p,~p,~p}\n", [Inr, Btup, Ctup]),
+ {tuple_add(Bacc,Btup),tuple_add(Cacc,Ctup)};
+ (_, Acc) -> Acc
+ end,
+ {{blocks,0,0,0},{carriers,0,0,0}},
+ erlang:system_info({allocator,test_alloc})),
+
+ io:format("Number of blocks : ~p\n", [Btot]),
+ io:format("Number of carriers: ~p\n", [Ctot]);
+print_stats(_) -> ok.
+
+tuple_add(T1, T2) ->
+ list_to_tuple(lists:zipwith(fun(E1,E2) when is_number(E1), is_number(E2) ->
+ E1 + E2;
+ (A,A) ->
+ A
+ end,
+ tuple_to_list(T1), tuple_to_list(T2))).
+
+
+one_shot(CaseName) ->
+ State = CaseName:start({1, 0, erlang:system_info(build_type)}),
+ Result0 = CaseName:run(State),
+ false = (Result0 =:= continue),
+ Result1 = handle_result(State, Result0),
+ CaseName:stop(State),
+ Result1.
+
+
+many_shot(CaseName, I, Mem) ->
+ State = CaseName:start({I, Mem, erlang:system_info(build_type)}),
+ Result1 = repeat_while(fun() ->
+ Result0 = CaseName:run(State),
+ handle_result(State, Result0)
+ end,
+ 10*1000, I),
+ CaseName:stop(State),
+ flush_log(),
+ Result1.
+
+concurrent(CaseName) ->
+ NSched = erlang:system_info(schedulers),
+ Mem = (free_memory() * 3) div 4,
+ PRs = lists:map(fun(I) -> spawn_opt(fun() ->
+ many_shot(CaseName, I,
+ Mem div NSched)
+ end,
+ [monitor, {scheduler,I}])
+ end,
+ lists:seq(1, NSched)),
+ lists:foreach(fun({Pid,Ref}) ->
+ receive {'DOWN', Ref, process, Pid, Reason} ->
+ Reason
+ end
+ end,
+ PRs),
+ ok.
+
+repeat_while(Fun, Timeout, I) ->
+ TRef = erlang:start_timer(Timeout, self(), timeout),
+ R = repeat_while_loop(Fun, TRef, I),
+ erlang:cancel_timer(TRef, [{async,true},{info,false}]),
+ R.
+
+repeat_while_loop(Fun, TRef, I) ->
+ receive
+ {timeout, TRef, timeout} ->
+ io:format("~p: Timeout, enough is enough.",[I]),
+ succeeded
+ after 0 ->
+ %%io:format("~p calls fun\n", [self()]),
+ case Fun() of
+ continue -> repeat_while_loop(Fun, TRef, I);
+ R -> R
+ end
+ end.
+
+flush_log() ->
+ receive
+ {print, Str} ->
+ io:format("~s", [Str]),
+ flush_log()
+ after 0 ->
+ ok
+ end.
+
+handle_result(_State, Result0) ->
+ flush_log(),
+ case Result0 of
+ {'EXIT', Error} ->
+ ct:fail(Error);
+ {'EXIT', error, Error} ->
+ ct:fail(Error);
+ {failed, Comment} ->
+ ct:fail(Comment);
+ {skipped, Comment} ->
+ {skipped, Comment};
+ {succeeded, ""} ->
+ succeeded;
+ {succeeded, Comment} ->
+ {comment, Comment};
+ continue ->
+ continue
+ end.
+
+start_node(Config, Opts) when is_list(Config), is_list(Opts) ->
+ case proplists:get_value(debug,Config) of
+ true -> {ok, node()};
+ _ -> start_node_1(Config, Opts)
+ end.
+
+start_node_1(Config, Opts) ->
+ Pa = filename:dirname(code:which(?MODULE)),
+ Name = list_to_atom(atom_to_list(?MODULE)
+ ++ "-"
+ ++ atom_to_list(proplists:get_value(testcase, Config))
+ ++ "-"
+ ++ integer_to_list(erlang:system_time(seconds))
+ ++ "-"
+ ++ integer_to_list(erlang:unique_integer([positive]))),
+ test_server:start_node(Name, slave, [{args, Opts++" -pa "++Pa}]).
+
+stop_node(Node) when Node =:= node() -> ok;
stop_node(Node) ->
- ?t:stop_node(Node).
+ test_server:stop_node(Node).
+
+free_memory() ->
+ %% Free memory in MB.
+ try
+ SMD = memsup:get_system_memory_data(),
+ {value, {free_memory, Free}} = lists:keysearch(free_memory, 1, SMD),
+ TotFree = (Free +
+ case lists:keysearch(cached_memory, 1, SMD) of
+ {value, {cached_memory, Cached}} -> Cached;
+ false -> 0
+ end +
+ case lists:keysearch(buffered_memory, 1, SMD) of
+ {value, {buffered_memory, Buffed}} -> Buffed;
+ false -> 0
+ end),
+ TotFree div (1024*1024)
+ catch
+ error : undef ->
+ ct:fail({"os_mon not built"})
+ end.
+