diff options
Diffstat (limited to 'erts/emulator/test/process_SUITE.erl')
-rw-r--r-- | erts/emulator/test/process_SUITE.erl | 130 |
1 files changed, 85 insertions, 45 deletions
diff --git a/erts/emulator/test/process_SUITE.erl b/erts/emulator/test/process_SUITE.erl index ab1587a90c..a8bcfac84d 100644 --- a/erts/emulator/test/process_SUITE.erl +++ b/erts/emulator/test/process_SUITE.erl @@ -134,6 +134,11 @@ init_per_testcase(Func, Config) when is_atom(Func), is_list(Config) -> [{testcase, Func}|Config]. end_per_testcase(Func, Config) when is_atom(Func), is_list(Config) -> + %% Restore max_heap_size to default value. + erlang:system_flag(max_heap_size, + #{size => 0, + kill => true, + error_logger => true}), ok. fun_spawn(Fun) -> @@ -147,7 +152,11 @@ spawn_with_binaries(Config) when is_list(Config) -> TwoMeg = lists:duplicate(1024, L), Fun = fun() -> spawn(?MODULE, binary_owner, [list_to_binary(TwoMeg)]), receive after 1 -> ok end end, - test_server:do_times(150, Fun), + Iter = case test_server:is_valgrind() of + true -> 10; + false -> 150 + end, + test_server:do_times(Iter, Fun), ok. binary_owner(Bin) when is_binary(Bin) -> @@ -672,7 +681,7 @@ chk_pi_order([{Arg, _}| Values], [Arg|Args]) -> chk_pi_order(Values, Args). process_info_2_list(Config) when is_list(Config) -> - Proc = spawn(fun () -> receive after infinity -> ok end end), + Proc = spawn_link(fun () -> receive after infinity -> ok end end), register(process_SUITE_process_info_2_list1, self()), register(process_SUITE_process_info_2_list2, Proc), erts_debug:set_internal_state(available_internal_state,true), @@ -1024,36 +1033,48 @@ bump_big(Prev, Limit) -> %% Priority 'low' should be mixed with 'normal' using a factor of %% about 8. (OTP-2644) low_prio(Config) when is_list(Config) -> - case erlang:system_info(schedulers_online) of - 1 -> - ok = low_prio_test(Config); - _ -> - erlang:system_flag(multi_scheduling, block), - ok = low_prio_test(Config), - erlang:system_flag(multi_scheduling, unblock), - {comment, - "Test not written for SMP runtime system. " - "Multi scheduling blocked during test."} - end. + erlang:system_flag(multi_scheduling, block_normal), + Prop = low_prio_test(Config), + erlang:system_flag(multi_scheduling, unblock_normal), + Str = lists:flatten(io_lib:format("Low/high proportion is ~.3f", + [Prop])), + {comment,Str}. low_prio_test(Config) when is_list(Config) -> process_flag(trap_exit, true), - S = spawn_link(?MODULE, prio_server, [0, 0]), + + %% Spawn the server running with high priority. The server must + %% not run at normal priority as that would skew the results for + %% two reasons: + %% + %% 1. There would be one more normal-priority processes than + %% low-priority processes. + %% + %% 2. The receive queue would grow faster than the server process + %% could process it. That would in turn trigger the reduction + %% punishment for the clients. + S = spawn_opt(?MODULE, prio_server, [0, 0], [link,{priority,high}]), + + %% Spawn the clients and let them run for a while. PCs = spawn_prio_clients(S, erlang:system_info(schedulers_online)), - ct:sleep({seconds,3}), + ct:sleep({seconds,2}), lists:foreach(fun (P) -> exit(P, kill) end, PCs), + + %% Stop the server and retrieve the result. S ! exit, - receive {'EXIT', S, {A, B}} -> check_prio(A, B) end, - ok. + receive + {'EXIT', S, {A, B}} -> + check_prio(A, B) + end. check_prio(A, B) -> Prop = A/B, ok = io:format("Low=~p, High=~p, Prop=~p\n", [A, B, Prop]), - %% It isn't 1/8, it's more like 0.3, but let's check that - %% the low-prio processes get some little chance to run at all. - true = (Prop < 1.0), - true = (Prop > 1/32). + %% Prop is expected to be appr. 1/8. Allow a reasonable margin. + true = Prop < 1/4, + true = Prop > 1/16, + Prop. prio_server(A, B) -> receive @@ -1097,9 +1118,9 @@ yield(Config) when is_list(Config) -> ++ ") is enabled. Testcase gets messed up by modfied " "timing."}; _ -> - MS = erlang:system_flag(multi_scheduling, block), + MS = erlang:system_flag(multi_scheduling, block_normal), yield_test(), - erlang:system_flag(multi_scheduling, unblock), + erlang:system_flag(multi_scheduling, unblock_normal), case MS of blocked -> {comment, @@ -1679,7 +1700,7 @@ processes_bif_test() -> true -> %% Do it again with a process suspended while %% in the processes/0 bif. - erlang:system_flag(multi_scheduling, block), + erlang:system_flag(multi_scheduling, block_normal), Suspendee = spawn_link(fun () -> Tester ! {suspend_me, self()}, Tester ! {self(), @@ -1692,7 +1713,7 @@ processes_bif_test() -> end), receive {suspend_me, Suspendee} -> ok end, erlang:suspend_process(Suspendee), - erlang:system_flag(multi_scheduling, unblock), + erlang:system_flag(multi_scheduling, unblock_normal), [{status,suspended},{current_function,{erlang,ptab_list_continue,2}}] = process_info(Suspendee, [status, current_function]), @@ -1732,10 +1753,10 @@ do_processes_bif_test(WantReds, DieTest, Processes) -> Splt = NoTestProcs div 10, {TP1, TP23} = lists:split(Splt, TestProcs), {TP2, TP3} = lists:split(Splt, TP23), - erlang:system_flag(multi_scheduling, block), + erlang:system_flag(multi_scheduling, block_normal), Tester ! DoIt, receive GetGoing -> ok end, - erlang:system_flag(multi_scheduling, unblock), + erlang:system_flag(multi_scheduling, unblock_normal), SpawnProcesses(high), lists:foreach( fun (P) -> SpawnHangAround(), @@ -1944,7 +1965,7 @@ processes_gc_trap(Config) when is_list(Config) -> processes() end, - erlang:system_flag(multi_scheduling, block), + erlang:system_flag(multi_scheduling, block_normal), Suspendee = spawn_link(fun () -> Tester ! {suspend_me, self()}, Tester ! {self(), @@ -1954,7 +1975,7 @@ processes_gc_trap(Config) when is_list(Config) -> end), receive {suspend_me, Suspendee} -> ok end, erlang:suspend_process(Suspendee), - erlang:system_flag(multi_scheduling, unblock), + erlang:system_flag(multi_scheduling, unblock_normal), [{status,suspended}, {current_function,{erlang,ptab_list_continue,2}}] = process_info(Suspendee, [status, current_function]), @@ -2057,6 +2078,7 @@ max_heap_size_test(Option, Size, Kill, ErrorLogger) -> end, if ErrorLogger -> receive + %% There must be at least one error message. {error, _, {emulator, _, [Pid|_]}} -> ok end; @@ -2069,22 +2091,33 @@ max_heap_size_test(Option, Size, Kill, ErrorLogger) -> {'DOWN', Ref, process, Pid, die} -> ok end, - flush(); + %% If the process was not killed, the limit may have + %% been reached more than once and there may be + %% more {error, ...} messages left. + receive_error_messages(Pid); true -> ok end, + + %% Make sure that there are no unexpected messages. + receive_unexpected(). + +receive_error_messages(Pid) -> receive - M -> - ct:fail({unexpected_message, M}) - after 10 -> + {error, _, {emulator, _, [Pid|_]}} -> + receive_error_messages(Pid) + after 1000 -> ok end. -flush() -> +receive_unexpected() -> receive - _M -> - flush() - after 1000 -> + {info_report, _, _} -> + %% May be an alarm message from os_mon. Ignore. + receive_unexpected(); + M -> + ct:fail({unexpected_message, M}) + after 10 -> ok end. @@ -2161,7 +2194,7 @@ processes_term_proc_list_test(MustChk) -> end) end, SpawnSuspendProcessesProc = fun () -> - erlang:system_flag(multi_scheduling, block), + erlang:system_flag(multi_scheduling, block_normal), P = spawn_link(fun () -> Tester ! {suspend_me, self()}, Tester ! {self(), @@ -2171,7 +2204,7 @@ processes_term_proc_list_test(MustChk) -> end), receive {suspend_me, P} -> ok end, erlang:suspend_process(P), - erlang:system_flag(multi_scheduling, unblock), + erlang:system_flag(multi_scheduling, unblock_normal), [{status,suspended}, {current_function,{erlang,ptab_list_continue,2}}] = process_info(P, [status, current_function]), @@ -2232,7 +2265,7 @@ processes_term_proc_list_test(MustChk) -> S8 = SpawnSuspendProcessesProc(), ?CHK_TERM_PROC_LIST(MustChk, 7), - erlang:system_flag(multi_scheduling, block), + erlang:system_flag(multi_scheduling, block_normal), Exit(S8), ?CHK_TERM_PROC_LIST(MustChk, 7), Exit(S5), @@ -2241,7 +2274,7 @@ processes_term_proc_list_test(MustChk) -> ?CHK_TERM_PROC_LIST(MustChk, 6), Exit(S6), ?CHK_TERM_PROC_LIST(MustChk, 0), - erlang:system_flag(multi_scheduling, unblock), + erlang:system_flag(multi_scheduling, unblock_normal), as_expected. @@ -2449,7 +2482,7 @@ no_priority_inversion2(Config) when is_list(Config) -> request_gc(Pid, Prio) -> Ref = make_ref(), - erts_internal:request_system_task(Pid, Prio, {garbage_collect, Ref}), + erts_internal:request_system_task(Pid, Prio, {garbage_collect, Ref, major}), Ref. system_task_blast(Config) when is_list(Config) -> @@ -2499,8 +2532,13 @@ system_task_on_suspended(Config) when is_list(Config) -> end. gc_request_when_gc_disabled(Config) when is_list(Config) -> - Master = self(), AIS = erts_debug:set_internal_state(available_internal_state, true), + gc_request_when_gc_disabled_do(ref), + gc_request_when_gc_disabled_do(immed), + erts_debug:set_internal_state(available_internal_state, AIS). + +gc_request_when_gc_disabled_do(ReqIdType) -> + Master = self(), {P, M} = spawn_opt(fun () -> true = erts_debug:set_internal_state(gc_state, false), @@ -2512,7 +2550,10 @@ gc_request_when_gc_disabled(Config) when is_list(Config) -> receive after 100 -> ok end end, [monitor, link]), receive {P, gc_state, false} -> ok end, - ReqId = make_ref(), + ReqId = case ReqIdType of + ref -> make_ref(); + immed -> immed + end, async = garbage_collect(P, [{async, ReqId}]), receive {garbage_collect, ReqId, Result} -> @@ -2521,7 +2562,6 @@ gc_request_when_gc_disabled(Config) when is_list(Config) -> ok end, receive {garbage_collect, ReqId, true} -> ok end, - erts_debug:set_internal_state(available_internal_state, AIS), receive {'DOWN', M, process, P, _Reason} -> ok end, ok. |