%%
%% %CopyrightBegin%
%%
%% Copyright Ericsson AB 2003-2013. All Rights Reserved.
%%
%% 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([basic/1,
coalesce/1,
threads/1,
realloc_copy/1,
bucket_index/1,
bucket_mask/1,
rbtree/1,
mseg_clear_cache/1,
erts_mmap/1,
cpool/1]).
-export([init_per_testcase/2, end_per_testcase/2]).
-include_lib("test_server/include/test_server.hrl").
-define(DEFAULT_TIMETRAP_SECS, 240).
suite() -> [{ct_hooks,[ts_install_cth]}].
all() ->
[basic, coalesce, threads, realloc_copy, bucket_index,
bucket_mask, rbtree, mseg_clear_cache, erts_mmap, cpool].
groups() ->
[].
init_per_suite(Config) ->
Config.
end_per_suite(_Config) ->
ok.
init_per_group(_GroupName, Config) ->
Config.
end_per_group(_GroupName, Config) ->
Config.
init_per_testcase(Case, Config) when is_list(Config) ->
Dog = ?t:timetrap(?t:seconds(?DEFAULT_TIMETRAP_SECS)),
[{watchdog, Dog},{testcase, Case}|Config].
end_per_testcase(_Case, Config) when is_list(Config) ->
Dog = ?config(watchdog, Config),
?t:timetrap_cancel(Dog),
ok.
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%% %%
%% 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).
bucket_mask(suite) -> [];
bucket_mask(doc) -> [];
bucket_mask(Cfg) -> ?line drv_case(Cfg).
rbtree(suite) -> [];
rbtree(doc) -> [];
rbtree(Cfg) -> ?line drv_case(Cfg).
mseg_clear_cache(suite) -> [];
mseg_clear_cache(doc) -> [];
mseg_clear_cache(Cfg) -> ?line drv_case(Cfg).
cpool(suite) -> [];
cpool(doc) -> [];
cpool(Cfg) -> ?line drv_case(Cfg).
erts_mmap(Config) when is_list(Config) ->
case {?t:os_type(), is_halfword_vm()} of
{{unix, _}, false} ->
[erts_mmap_do(Config, SCO, SCRPM, SCRFSD)
|| SCO <-[true,false], SCRFSD <-[1234,0], SCRPM <- [true,false]];
{_,true} ->
{skipped, "No supercarrier support on halfword vm"};
{SkipOs,_} ->
?line {skipped,
lists:flatten(["Not run on "
| io_lib:format("~p",[SkipOs])])}
end.
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,mseg_alloc}),
{erts_mmap,EM} = lists:keyfind(erts_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),
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.
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%% %%
%% Internal functions %%
%% %%
drv_case(Config) ->
drv_case(Config, "").
drv_case(Config, Command) when is_list(Config),
is_list(Command) ->
case ?t: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,
fun () ->
Res = run_drv_case(Config, Command),
Self ! {Ref, Res}
end),
?line Result = receive {Ref, Rslt} -> Rslt end,
?line stop_node(Node),
?line Result;
SkipOs ->
?line {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()
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) ->
start_node(Config, []).
start_node(Config, Opts) when is_list(Config), is_list(Opts) ->
Pa = filename:dirname(code:which(?MODULE)),
Name = list_to_atom(atom_to_list(?MODULE)
++ "-"
++ atom_to_list(?config(testcase, Config))
++ "-"
++ integer_to_list(erlang:system_time(seconds))
++ "-"
++ integer_to_list(erlang:unique_integer([positive]))),
?t:start_node(Name, slave, [{args, Opts++" -pa "++Pa}]).
stop_node(Node) ->
?t:stop_node(Node).
is_halfword_vm() ->
case {erlang:system_info({wordsize, internal}),
erlang:system_info({wordsize, external})} of
{4, 8} -> true;
{WS, WS} -> false
end.
