diff options
| -rw-r--r-- | erts/emulator/test/match_spec_SUITE.erl | 61 | ||||
| -rw-r--r-- | lib/stdlib/test/ets_SUITE.erl | 57 |
2 files changed, 110 insertions, 8 deletions
diff --git a/erts/emulator/test/match_spec_SUITE.erl b/erts/emulator/test/match_spec_SUITE.erl index 2b21fa58f4..461773114e 100644 --- a/erts/emulator/test/match_spec_SUITE.erl +++ b/erts/emulator/test/match_spec_SUITE.erl @@ -27,8 +27,9 @@ destructive_in_test_bif/1, guard_exceptions/1, unary_plus/1, unary_minus/1, moving_labels/1]). -export([fpe/1]). +-export([otp_9422/1]). --export([runner/2]). +-export([runner/2, loop_runner/3]). -export([f1/1, f2/2, f3/2, fn/1, fn/2, fn/3]). -export([do_boxed_and_small/0]). @@ -57,7 +58,8 @@ all() -> trace_control_word, silent, silent_no_ms, ms_trace2, ms_trace3, boxed_and_small, destructive_in_test_bif, guard_exceptions, unary_plus, unary_minus, fpe, - moving_labels]; + moving_labels, + otp_9422]; true -> [not_run] end. @@ -208,6 +210,43 @@ test_3(Config) when is_list(Config) -> ?line collect(P1, [{trace, P1, call, {?MODULE, f2, [a, b]}, [true]}]), ?line ok. +otp_9422(doc) -> []; +otp_9422(Config) when is_list(Config) -> + Laps = 1000, + ?line Fun1 = fun() -> otp_9422_tracee() end, + ?line P1 = spawn_link(?MODULE, loop_runner, [self(), Fun1, Laps]), + io:format("spawned ~p as tracee\n", [P1]), + + ?line erlang:trace(P1, true, [call, silent]), + + ?line Fun2 = fun() -> otp_9422_trace_changer() end, + ?line P2 = spawn_link(?MODULE, loop_runner, [self(), Fun2, Laps]), + io:format("spawned ~p as trace_changer\n", [P2]), + + start_collect(P1), + start_collect(P2), + + %%receive after 10*1000 -> ok end, + + stop_collect(P1), + stop_collect(P2), + ok. + +otp_9422_tracee() -> + ?MODULE:f1(a), + ?MODULE:f1(b), + ?MODULE:f1(c). + +otp_9422_trace_changer() -> + Pat1 = [{[a], [], [{enable_trace, arity}]}], + ?line erlang:trace_pattern({?MODULE, f1, 1}, Pat1), + Pat2 = [{[b], [], [{disable_trace, arity}]}], + ?line erlang:trace_pattern({?MODULE, f1, 1}, Pat2). + + + + + bad_match_spec_bin(Config) when is_list(Config) -> {'EXIT',{badarg,_}} = (catch ets:match_spec_run([1], <<>>)), B0 = <<1,2>>, @@ -932,6 +971,24 @@ runner(Collector, Fun) -> Collector ! {gone, self()} end. +loop_runner(Collector, Fun, Laps) -> + receive + {go, Collector} -> + go + end, + loop_runner_cont(Collector, Fun, 0, Laps). + +loop_runner_cont(_Collector, _Fun, Laps, Laps) -> + receive + {done, Collector} -> + io:format("loop_runner ~p exit after ~p laps\n", [self(), Laps]), + Collector ! {gone, self()} + end; +loop_runner_cont(Collector, Fun, N, Laps) -> + Fun(), + loop_runner_cont(Collector, Fun, N+1, Laps). + + f1(X) -> {X}. diff --git a/lib/stdlib/test/ets_SUITE.erl b/lib/stdlib/test/ets_SUITE.erl index c9d82ec5f5..9341300f90 100644 --- a/lib/stdlib/test/ets_SUITE.erl +++ b/lib/stdlib/test/ets_SUITE.erl @@ -72,6 +72,7 @@ exit_many_many_tables_owner/1]). -export([write_concurrency/1, heir/1, give_away/1, setopts/1]). -export([bad_table/1, types/1]). +-export([otp_9423/1]). -export([init_per_testcase/2, end_per_testcase/2]). %% Convenience for manual testing @@ -143,7 +144,8 @@ all() -> otp_8166, exit_large_table_owner, exit_many_large_table_owner, exit_many_tables_owner, exit_many_many_tables_owner, write_concurrency, heir, - give_away, setopts, bad_table, types]. + give_away, setopts, bad_table, types, + otp_9423]. groups() -> [{new, [], @@ -5420,7 +5422,39 @@ types_do(Opts) -> ?line verify_etsmem(EtsMem). - +otp_9423(doc) -> ["vm-deadlock caused by race between ets:delete and others on write_concurrency table"]; +otp_9423(Config) when is_list(Config) -> + InitF = fun(_) -> {0,0} end, + ExecF = fun({S,F}) -> + receive + stop -> + io:format("~p got stop\n", [self()]), + [end_of_work | {"Succeded=",S,"Failed=",F}] + after 0 -> + %%io:format("~p (~p) doing lookup\n", [self(), {S,F}]), + try ets:lookup(otp_9423, key) of + [] -> {S+1,F} + catch + error:badarg -> {S,F+1} + end + end + end, + FiniF = fun(R) -> R end, + case run_workers(InitF, ExecF, FiniF, infinite, 1) of + Pids when is_list(Pids) -> + %%[P ! start || P <- Pids], + repeat(fun() -> ets:new(otp_9423, [named_table, public, {write_concurrency,true}]), + ets:delete(otp_9423) + end, 10000), + [P ! stop || P <- Pids], + wait_pids(Pids), + ok; + + Skipped -> Skipped + end. + + + % % Utility functions: @@ -5434,21 +5468,30 @@ add_lists([E1|T1], [E2|T2], Acc) -> add_lists(T1, T2, [E1+E2 | Acc]). run_workers(InitF,ExecF,FiniF,Laps) -> + run_workers(InitF,ExecF,FiniF,Laps, 0). +run_workers(InitF,ExecF,FiniF,Laps, Exclude) -> case erlang:system_info(smp_support) of true -> - run_workers_do(InitF,ExecF,FiniF,Laps); + run_workers_do(InitF,ExecF,FiniF,Laps, Exclude); false -> {skipped,"No smp support"} end. - + run_workers_do(InitF,ExecF,FiniF,Laps) -> - NumOfProcs = erlang:system_info(schedulers), + run_workers_do(InitF,ExecF,FiniF,Laps, 0). +run_workers_do(InitF,ExecF,FiniF,Laps, Exclude) -> + ?line NumOfProcs = case erlang:system_info(schedulers) of + N when (N > Exclude) -> N - Exclude + end, io:format("smp starting ~p workers\n",[NumOfProcs]), Seeds = [{ProcN,random:uniform(9999)} || ProcN <- lists:seq(1,NumOfProcs)], Parent = self(), Pids = [spawn_link(fun()-> worker(Seed,InitF,ExecF,FiniF,Laps,Parent,NumOfProcs) end) || Seed <- Seeds], - wait_pids(Pids). + case Laps of + infinite -> Pids; + _ -> wait_pids(Pids) + end. worker({ProcN,Seed}, InitF, ExecF, FiniF, Laps, Parent, NumOfProcs) -> io:format("smp worker ~p, seed=~p~n",[self(),Seed]), @@ -5463,6 +5506,8 @@ worker_loop(0, _, State) -> State; worker_loop(_, _, [end_of_work|State]) -> State; +worker_loop(infinite, ExecF, State) -> + worker_loop(infinite,ExecF,ExecF(State)); worker_loop(N, ExecF, State) -> worker_loop(N-1,ExecF,ExecF(State)). |