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Diffstat (limited to 'erts/emulator/test/mtx_SUITE.erl')
| -rw-r--r-- | erts/emulator/test/mtx_SUITE.erl | 473 |
1 files changed, 473 insertions, 0 deletions
diff --git a/erts/emulator/test/mtx_SUITE.erl b/erts/emulator/test/mtx_SUITE.erl new file mode 100644 index 0000000000..ae77fe4d89 --- /dev/null +++ b/erts/emulator/test/mtx_SUITE.erl @@ -0,0 +1,473 @@ +%% +%% %CopyrightBegin% +%% +%% Copyright Ericsson AB 2010. 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% +%% + +%% +%% Stress tests of rwmutex implementation. +%% +%% Author: Rickard Green +%% +-module(mtx_SUITE). + +%%-define(line_trace,true). + +-include("test_server.hrl"). + +-export([all/1, init_per_suite/1, end_per_suite/1, init_per_testcase/2, fin_per_testcase/2]). + +-export([long_rwlock/1, + hammer_ets_rwlock/1, + hammer_rwlock/1, + hammer_rwlock_check/1, + hammer_tryrwlock/1, + hammer_tryrwlock_check/1, + hammer_sched_long_rwlock/1, + hammer_sched_long_rwlock_check/1, + hammer_sched_long_freqread_rwlock/1, + hammer_sched_long_freqread_rwlock_check/1, + hammer_sched_long_tryrwlock/1, + hammer_sched_long_tryrwlock_check/1, + hammer_sched_long_freqread_tryrwlock/1, + hammer_sched_long_freqread_tryrwlock_check/1, + hammer_sched_rwlock/1, + hammer_sched_rwlock_check/1, + hammer_sched_freqread_rwlock/1, + hammer_sched_freqread_rwlock_check/1, + hammer_sched_tryrwlock/1, + hammer_sched_tryrwlock_check/1, + hammer_sched_freqread_tryrwlock/1, + hammer_sched_freqread_tryrwlock_check/1]). + +init_per_suite(Config) when is_list(Config) -> + DataDir = ?config(data_dir, Config), + Lib = filename:join([DataDir, atom_to_list(?MODULE)]), + ok = erlang:load_nif(Lib, none), + Config. + +end_per_suite(Config) when is_list(Config) -> + Config. + +init_per_testcase(_Case, Config) -> + Dog = ?t:timetrap(?t:minutes(15)), + [{watchdog, Dog}|Config]. + +fin_per_testcase(_Func, Config) -> + Dog = ?config(watchdog, Config), + ?t:timetrap_cancel(Dog). + +all(suite) -> + [ + long_rwlock, + hammer_rwlock_check, + hammer_rwlock, + hammer_tryrwlock_check, + hammer_tryrwlock, + hammer_ets_rwlock, + hammer_sched_long_rwlock_check, + hammer_sched_long_rwlock, + hammer_sched_long_freqread_rwlock_check, + hammer_sched_long_freqread_rwlock, + hammer_sched_long_tryrwlock_check, + hammer_sched_long_tryrwlock, + hammer_sched_long_freqread_tryrwlock_check, + hammer_sched_long_freqread_tryrwlock, + hammer_sched_rwlock_check, + hammer_sched_rwlock, + hammer_sched_freqread_rwlock_check, + hammer_sched_freqread_rwlock, + hammer_sched_tryrwlock_check, + hammer_sched_tryrwlock, + hammer_sched_freqread_tryrwlock_check, + hammer_sched_freqread_tryrwlock + ]. + +long_rwlock(Config) when is_list(Config) -> + statistics(runtime), + LLRes = long_rw_test(), + {_, RunTime} = statistics(runtime), + %% A very short run time is expected, since + %% threads in the test mostly wait + ?t:format("RunTime=~p~n", [RunTime]), + ?line true = RunTime < 100, + ?line RunTimeStr = "Run-time during test was "++integer_to_list(RunTime)++" ms.", + case LLRes of + ok -> + {comment, RunTimeStr}; + {comment, Comment} -> + {comment, Comment ++ " " ++ RunTimeStr} + end. + +hammer_rwlock(Config) when is_list(Config) -> + hammer_rw_test(false). + +hammer_rwlock_check(Config) when is_list(Config) -> + hammer_rw_test(true). + +hammer_tryrwlock(Config) when is_list(Config) -> + hammer_tryrw_test(false). + +hammer_tryrwlock_check(Config) when is_list(Config) -> + hammer_tryrw_test(true). + +hammer_sched_rwlock(Config) when is_list(Config) -> + hammer_sched_rwlock_test(false, false, true, 0, 0). + +hammer_sched_rwlock_check(Config) when is_list(Config) -> + hammer_sched_rwlock_test(false, true, true, 0, 0). + +hammer_sched_freqread_rwlock(Config) when is_list(Config) -> + hammer_sched_rwlock_test(true, false, true, 0, 0). + +hammer_sched_freqread_rwlock_check(Config) when is_list(Config) -> + hammer_sched_rwlock_test(true, true, true, 0, 0). + +hammer_sched_tryrwlock(Config) when is_list(Config) -> + hammer_sched_rwlock_test(false, false, false, 0, 100). + +hammer_sched_tryrwlock_check(Config) when is_list(Config) -> + hammer_sched_rwlock_test(false, true, false, 0, 100). + +hammer_sched_freqread_tryrwlock(Config) when is_list(Config) -> + hammer_sched_rwlock_test(true, false, false, 0, 100). + +hammer_sched_freqread_tryrwlock_check(Config) when is_list(Config) -> + hammer_sched_rwlock_test(true, true, false, 0, 100). + +hammer_sched_long_rwlock(Config) when is_list(Config) -> + hammer_sched_rwlock_test(false, false, true, 100, 0). + +hammer_sched_long_rwlock_check(Config) when is_list(Config) -> + hammer_sched_rwlock_test(false, true, true, 100, 0). + +hammer_sched_long_freqread_rwlock(Config) when is_list(Config) -> + hammer_sched_rwlock_test(true, false, true, 100, 0). + +hammer_sched_long_freqread_rwlock_check(Config) when is_list(Config) -> + hammer_sched_rwlock_test(true, true, true, 100, 0). + +hammer_sched_long_tryrwlock(Config) when is_list(Config) -> + hammer_sched_rwlock_test(false, false, false, 100, 100). + +hammer_sched_long_tryrwlock_check(Config) when is_list(Config) -> + hammer_sched_rwlock_test(false, true, false, 100, 100). + +hammer_sched_long_freqread_tryrwlock(Config) when is_list(Config) -> + hammer_sched_rwlock_test(true, false, false, 100, 100). + +hammer_sched_long_freqread_tryrwlock_check(Config) when is_list(Config) -> + hammer_sched_rwlock_test(true, true, false, 100, 100). + +hammer_sched_rwlock_test(FreqRead, LockCheck, Blocking, WaitLocked, WaitUnlocked) -> + case create_rwlock(FreqRead, LockCheck) of + enotsup -> + {skipped, "Not supported."}; + RWLock -> + Onln = erlang:system_info(schedulers_online), + NWPs = case Onln div 3 of + 1 -> case Onln < 4 of + true -> 1; + false -> 2 + end; + X -> X + end, + NRPs = Onln - NWPs, + NoLockOps = ((((50000000 div Onln) + div case {Blocking, WaitLocked} of + {false, 0} -> 1; + _ -> 10 + end) + div (case WaitLocked == 0 of + true -> 1; + false -> WaitLocked*250 + end)) + div handicap()), + ?t:format("NoLockOps=~p~n", [NoLockOps]), + Sleep = case Blocking of + true -> NoLockOps; + false -> NoLockOps div 10 + end, + WPs = lists:map( + fun (Sched) -> + spawn_opt( + fun () -> + io:format("Writer on scheduler ~p.~n", + [Sched]), + Sched = erlang:system_info(scheduler_id), + receive go -> gone end, + hammer_sched_rwlock_proc(RWLock, + Blocking, + true, + WaitLocked, + WaitUnlocked, + NoLockOps, + Sleep), + Sched = erlang:system_info(scheduler_id) + end, + [link, {scheduler, Sched}]) + end, + lists:seq(1, NWPs)), + RPs = lists:map( + fun (Sched) -> + spawn_opt( + fun () -> + io:format("Reader on scheduler ~p.~n", + [Sched]), + Sched = erlang:system_info(scheduler_id), + receive go -> gone end, + hammer_sched_rwlock_proc(RWLock, + Blocking, + false, + WaitLocked, + WaitUnlocked, + NoLockOps, + Sleep), + Sched = erlang:system_info(scheduler_id) + end, + [link, {scheduler, Sched}]) + end, + lists:seq(NWPs + 1, NWPs + NRPs)), + Procs = WPs ++ RPs, + case {Blocking, WaitLocked} of + {_, 0} -> ok; + {false, _} -> ok; + _ -> statistics(runtime) + end, + lists:foreach(fun (P) -> P ! go end, Procs), + lists:foreach(fun (P) -> + M = erlang:monitor(process, P), + receive + {'DOWN', M, process, P, _} -> + ok + end + end, + Procs), + case {Blocking, WaitLocked} of + {_, 0} -> ok; + {false, _} -> ok; + _ -> + {_, RunTime} = statistics(runtime), + ?t:format("RunTime=~p~n", [RunTime]), + ?line true = RunTime < 500, + {comment, + "Run-time during test was " + ++ integer_to_list(RunTime) + ++ " ms."} + end + end. + +hammer_sched_rwlock_proc(_RWLock, + _Blocking, + _WriteOp, + _WaitLocked, + _WaitUnlocked, + 0, + _Sleep) -> + ok; +hammer_sched_rwlock_proc(RWLock, + Blocking, + WriteOp, + WaitLocked, + WaitUnlocked, + Times, + Sleep) when Times rem Sleep == 0 -> + rwlock_op(RWLock, Blocking, WriteOp, WaitLocked, WaitUnlocked), + hammer_sched_rwlock_proc(RWLock, + Blocking, + WriteOp, + WaitLocked, + WaitUnlocked, + Times - 1, + Sleep); +hammer_sched_rwlock_proc(RWLock, + Blocking, + WriteOp, + WaitLocked, + WaitUnlocked, + Times, + Sleep) -> + rwlock_op(RWLock, Blocking, WriteOp, WaitLocked, 0), + hammer_sched_rwlock_proc(RWLock, + Blocking, + WriteOp, + WaitLocked, + WaitUnlocked, + Times - 1, + Sleep). + +-define(HAMMER_ETS_RWLOCK_REPEAT_TIMES, 1). +-define(HAMMER_ETS_RWLOCK_TSIZE, 500). + +hammer_ets_rwlock(Config) when is_list(Config) -> + {Ops, Procs} = case handicap() of + 1 -> {20000, 500}; + 2 -> {20000, 50}; + 3 -> {2000, 50}; + _ -> {200, 50} + end, + ?t:format("Procs=~p~nOps=~p~n", [Procs, Ops]), + lists:foreach(fun (XOpts) -> + ?t:format("Running with extra opts: ~p", [XOpts]), + hammer_ets_rwlock_test(XOpts, true, 2, Ops, + Procs, false) + end, + [[], + [{read_concurrency, true}], + [{write_concurrency, true}], + [{read_concurrency, true},{write_concurrency, true}]]), + ok. + +%% Aux funcs + +long_rw_test() -> + exit(no_nif_implementation). + +hammer_rw_test(_Arg) -> + exit(no_nif_implementation). + +hammer_tryrw_test(_Arg) -> + exit(no_nif_implementation). + +create_rwlock(_FreqRead, _LockCheck) -> + exit(no_nif_implementation). + +rwlock_op(_RWLock, _Blocking, _WriteOp, _WaitLocked, _WaitUnlocked) -> + exit(no_nif_implementation). + +hammer_ets_rwlock_put_data() -> + put(?MODULE, {"here are some", data, "to store", make_ref()}). + +hammer_ets_rwlock_get_data() -> + get(?MODULE). + +hammer_ets_rwlock_ops(_T, _UW, _N, _C, _SC, 0) -> + ok; +hammer_ets_rwlock_ops(T, UW, N, C, SC, Tot) when N >= ?HAMMER_ETS_RWLOCK_TSIZE -> + hammer_ets_rwlock_ops(T, UW, 0, C, SC, Tot); +hammer_ets_rwlock_ops(T, UW, N, 0, SC, Tot) -> + case UW of + true -> + true = ets:insert(T, {N, Tot, hammer_ets_rwlock_get_data()}); + false -> + [{N, _, _}] = ets:lookup(T, N) + end, + hammer_ets_rwlock_ops(T, UW, N+1, SC, SC, Tot-1); +hammer_ets_rwlock_ops(T, UW, N, C, SC, Tot) -> + case UW of + false -> + true = ets:insert(T, {N, Tot, hammer_ets_rwlock_get_data()}); + true -> + [{N, _, _}] = ets:lookup(T, N) + end, + hammer_ets_rwlock_ops(T, UW, N+1, C-1, SC, Tot-1). + +hammer_ets_rwlock_init(T, N) when N < ?HAMMER_ETS_RWLOCK_TSIZE -> + ets:insert(T, {N, N, N}), + hammer_ets_rwlock_init(T, N+1); +hammer_ets_rwlock_init(_T, _N) -> + ok. + +hammer_ets_rwlock_test(XOpts, UW, C, N, NP, SC) -> + receive after 100 -> ok end, + {TP, TM} = spawn_monitor( + fun () -> + _L = repeat_list( + fun () -> + Caller = self(), + T = fun () -> + Parent = self(), + hammer_ets_rwlock_put_data(), + T=ets:new(x, [public | XOpts]), + hammer_ets_rwlock_init(T, 0), + Ps0 = repeat_list( + fun () -> + spawn_link( + fun () -> + hammer_ets_rwlock_put_data(), + receive go -> ok end, + hammer_ets_rwlock_ops(T, UW, N, C, C, N), + Parent ! {done, self()}, + receive after infinity -> ok end + end) + end, + NP - case SC of + false -> 0; + _ -> 1 + end), + Ps = case SC of + false -> Ps0; + _ -> [spawn_link(fun () -> + hammer_ets_rwlock_put_data(), + receive go -> ok end, + hammer_ets_rwlock_ops(T, UW, N, SC, SC, N), + Parent ! {done, self()}, + receive after infinity -> ok end + end) | Ps0] + end, + Start = now(), + lists:foreach(fun (P) -> P ! go end, Ps), + lists:foreach(fun (P) -> receive {done, P} -> ok end end, Ps), + Stop = now(), + lists:foreach(fun (P) -> + unlink(P), + exit(P, bang), + M = erlang:monitor(process, P), + receive + {'DOWN', M, process, P, _} -> ok + end + end, Ps), + Res = timer:now_diff(Stop, Start)/1000000, + Caller ! {?MODULE, self(), Res} + end, + TP = spawn_link(T), + receive + {?MODULE, TP, Res} -> + Res + end + end, + ?HAMMER_ETS_RWLOCK_REPEAT_TIMES) + end), + receive + {'DOWN', TM, process, TP, _} -> ok + end. + +repeat_list(Fun, N) -> + repeat_list(Fun, N, []). + +repeat_list(_Fun, 0, Acc) -> + Acc; +repeat_list(Fun, N, Acc) -> + repeat_list(Fun, N-1, [Fun()|Acc]). + + +handicap() -> + X0 = case catch (erlang:system_info(logical_processors_available) >= + erlang:system_info(schedulers_online)) of + true -> 1; + _ -> 2 + end, + case erlang:system_info(build_type) of + opt -> + X0; + ReallySlow when ReallySlow == debug; + ReallySlow == valgrind; + ReallySlow == purify -> + X0*3; + _Slow -> + X0*2 + end. + |