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Diffstat (limited to 'lib/ssh/test/ssh_bench_SUITE.erl')
| -rw-r--r-- | lib/ssh/test/ssh_bench_SUITE.erl | 252 |
1 files changed, 252 insertions, 0 deletions
diff --git a/lib/ssh/test/ssh_bench_SUITE.erl b/lib/ssh/test/ssh_bench_SUITE.erl new file mode 100644 index 0000000000..d2ba8afa1a --- /dev/null +++ b/lib/ssh/test/ssh_bench_SUITE.erl @@ -0,0 +1,252 @@ +%%%------------------------------------------------------------------- +%% %CopyrightBegin% +%% +%% Copyright Ericsson AB 2015-2016. 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(ssh_bench_SUITE). +-compile(export_all). + +-include_lib("common_test/include/ct_event.hrl"). +-include_lib("common_test/include/ct.hrl"). + +-include_lib("ssh/src/ssh.hrl"). +-include_lib("ssh/src/ssh_transport.hrl"). +-include_lib("ssh/src/ssh_connect.hrl"). +-include_lib("ssh/src/ssh_userauth.hrl"). + +%%%================================================================ +%%% +%%% Suite declarations +%%% + +suite() -> [{ct_hooks,[{ts_install_cth,[{nodenames,2}]}]}, + {timetrap,{minutes,1}} + ]. +all() -> [connect, + transfer_text + ]. + +-define(UID, "foo"). +-define(PWD, "bar"). +-define(Nruns, 8). + +%%%================================================================ +%%% +%%% Init per suite +%%% + +init_per_suite(Config) -> + catch ssh:stop(), + try + ok = ssh:start() + of + ok -> + DataSize = 1000000, + SystemDir = proplists:get_value(data_dir, Config), + Algs = insert_none(ssh:default_algorithms()), + {_ServerPid, _Host, Port} = + ssh_test_lib:daemon([{system_dir, SystemDir}, + {user_passwords, [{?UID,?PWD}]}, + {failfun, fun ssh_test_lib:failfun/2}, + {preferred_algorithms, Algs}, + {max_random_length_padding, 0}, + {subsystems, [{"/dev/null", {ssh_bench_dev_null,[DataSize]}}]} + ]), + [{host,"localhost"}, {port,Port}, {uid,?UID}, {pwd,?PWD}, {data_size,DataSize} | Config] + catch + C:E -> + {skip, io_lib:format("Couldn't start ~p:~p",[C,E])} + end. + +end_per_suite(_Config) -> + catch ssh:stop(), + ok. + +%%%================================================================ +%%% +%%% Init per testcase +%%% + +init_per_testcase(_Func, Conf) -> + Conf. + +end_per_testcase(_Func, _Conf) -> + ok. + +%%%================================================================ +%%% +%%% Testcases +%%% + +%%%---------------------------------------------------------------- +%%% Measure the time for an Erlang client to connect to an Erlang +%%% server on the localhost + +connect(Config) -> + KexAlgs = proplists:get_value(kex, ssh:default_algorithms()), + ct:pal("KexAlgs = ~p",[KexAlgs]), + lists:foreach( + fun(KexAlg) -> + PrefAlgs = preferred_algorithms(KexAlg), + report([{value, measure_connect(Config, + [{preferred_algorithms,PrefAlgs}])}, + {suite, ?MODULE}, + {name, mk_name(["Connect erlc erld ",KexAlg," [µs]"])} + ]) + end, KexAlgs). + + +measure_connect(Config, Opts) -> + Port = proplists:get_value(port, Config), + ConnectOptions = [{user, proplists:get_value(uid, Config)}, + {password, proplists:get_value(pwd, Config)}, + {user_dir, proplists:get_value(priv_dir, Config)}, + {silently_accept_hosts, true}, + {user_interaction, false}, + {max_random_length_padding, 0} + ] ++ Opts, + median( + [begin + {Time, {ok,Pid}} = timer:tc(ssh,connect,["localhost", Port, ConnectOptions]), + ssh:close(Pid), + Time + end || _ <- lists:seq(1,?Nruns)]). + +%%%---------------------------------------------------------------- +%%% Measure the time to transfer a set of data with +%%% and without crypto + +transfer_text(Config) -> + Port = proplists:get_value(port, Config), + Options = [{user, proplists:get_value(uid, Config)}, + {password, proplists:get_value(pwd, Config)}, + {user_dir, proplists:get_value(priv_dir, Config)}, + {silently_accept_hosts, true}, + {user_interaction, false}, + {max_random_length_padding, 0} + ], + Data = gen_data(proplists:get_value(data_size,Config)), + + [connect_measure(Port, Crypto, Mac, Data, Options) + || {Crypto,Mac} <- [{ none, none}, + {'aes128-ctr', 'hmac-sha1'}, + {'aes256-ctr', 'hmac-sha1'}, + {'[email protected]', 'hmac-sha1'}, + {'aes128-cbc', 'hmac-sha1'}, + {'3des-cbc', 'hmac-sha1'}, + {'aes128-ctr', 'hmac-sha2-256'}, + {'aes128-ctr', 'hmac-sha2-512'} + ], + crypto_mac_supported(Crypto,Mac)]. + + +crypto_mac_supported(none, none) -> + true; +crypto_mac_supported(C, M) -> + Algs = ssh:default_algorithms(), + [{_,Cs},_] = proplists:get_value(cipher, Algs), + [{_,Ms},_] = proplists:get_value(mac, Algs), + lists:member(C,Cs) andalso lists:member(M,Ms). + + +gen_data(DataSz) -> + Data0 = << <<C>> || _ <- lists:seq(1,DataSz div 256), + C <- lists:seq(0,255) >>, + Data1 = << <<C>> || C <- lists:seq(0,(DataSz rem 256) - 1) >>, + <<Data0/binary, Data1/binary>>. + + +%% connect_measure(Port, Cipher, Mac, Data, Options) -> +%% report([{value, 1}, +%% {suite, ?MODULE}, +%% {name, mk_name(["Transfer 1M bytes ",Cipher,"/",Mac," [µs]"])}]); +connect_measure(Port, Cipher, Mac, Data, Options) -> + Times = + [begin + {ok,C} = ssh:connect("localhost", Port, [{preferred_algorithms, [{cipher,[Cipher]}, + {mac,[Mac]}]} + |Options]), + {ok,Ch} = ssh_connection:session_channel(C, 10000), + success = ssh_connection:subsystem(C, Ch, "/dev/null", 10000), + {Time,ok} = timer:tc(?MODULE, send_wait_acc, [C, Ch, Data]), + ok = ssh_connection:send_eof(C, Ch), + ssh:close(C), + Time + end || _ <- lists:seq(1,?Nruns)], + + report([{value, median(Times)}, + {suite, ?MODULE}, + {name, mk_name(["Transfer 1M bytes ",Cipher,"/",Mac," [µs]"])}]). + +send_wait_acc(C, Ch, Data) -> + ssh_connection:send(C, Ch, Data), + receive + {ssh_cm, C, {data, Ch, 0, <<"READY">>}} -> ok + end. + + +%%%================================================================ +%%% +%%% Private +%%% + +%%%---------------------------------------------------------------- +insert_none(L) -> + lists:foldl(fun insert_none/2, [], L). + +insert_none({T,L}, Acc) when T==cipher ; + T==mac -> + [{T, [{T1,L1++[none]} || {T1,L1} <- L]} | Acc]; +insert_none(_, Acc) -> + Acc. + +%%%---------------------------------------------------------------- +mk_name(Name) -> [char(C) || C <- lists:concat(Name)]. + +char($-) -> $_; +char(C) -> C. + +%%%---------------------------------------------------------------- +preferred_algorithms(KexAlg) -> + [{kex, [KexAlg]}, + {public_key, ['ssh-rsa']}, + {cipher, ['aes128-ctr']}, + {mac, ['hmac-sha1']}, + {compression, [none]} + ]. + +%%%---------------------------------------------------------------- +median(Data) when is_list(Data) -> + SortedData = lists:sort(Data), + N = length(Data), + Median = + case N rem 2 of + 0 -> + MeanOfMiddle = (lists:nth(N div 2, SortedData) + + lists:nth(N div 2 + 1, SortedData)) / 2, + round(MeanOfMiddle); + 1 -> + lists:nth(N div 2 + 1, SortedData) + end, + ct:pal("median(~p) = ~p",[SortedData,Median]), + Median. + + +report(Data) -> + ct:pal("EventData = ~p",[Data]), + ct_event:notify(#event{name = benchmark_data, + data = Data}). |