diff options
Diffstat (limited to 'erts/emulator/test/process_SUITE.erl')
| -rw-r--r-- | erts/emulator/test/process_SUITE.erl | 283 |
1 files changed, 275 insertions, 8 deletions
diff --git a/erts/emulator/test/process_SUITE.erl b/erts/emulator/test/process_SUITE.erl index 863cd2d654..bf31655066 100644 --- a/erts/emulator/test/process_SUITE.erl +++ b/erts/emulator/test/process_SUITE.erl @@ -51,7 +51,13 @@ processes_term_proc_list/1, otp_7738_waiting/1, otp_7738_suspended/1, otp_7738_resume/1, - garb_other_running/1]). + garb_other_running/1, + no_priority_inversion/1, + no_priority_inversion2/1, + system_task_blast/1, + system_task_on_suspended/1, + gc_request_when_gc_disabled/1, + gc_request_blast_when_gc_disabled/1]). -export([prio_server/2, prio_client/2]). -export([init_per_testcase/2, end_per_testcase/2]). @@ -73,7 +79,8 @@ all() -> bad_register, garbage_collect, process_info_messages, process_flag_badarg, process_flag_heap_size, spawn_opt_heap_size, otp_6237, {group, processes_bif}, - {group, otp_7738}, garb_other_running]. + {group, otp_7738}, garb_other_running, + {group, system_task}]. groups() -> [{t_exit_2, [], @@ -87,12 +94,26 @@ groups() -> processes_gc_trap, processes_term_proc_list]}, {otp_7738, [], [otp_7738_waiting, otp_7738_suspended, - otp_7738_resume]}]. + otp_7738_resume]}, + {system_task, [], + [no_priority_inversion, no_priority_inversion2, + system_task_blast, system_task_on_suspended, + gc_request_when_gc_disabled, gc_request_blast_when_gc_disabled]}]. init_per_suite(Config) -> - Config. + A0 = case application:start(sasl) of + ok -> [sasl]; + _ -> [] + end, + A = case application:start(os_mon) of + ok -> [os_mon|A0]; + _ -> A0 + end, + [{started_apps, A}|Config]. end_per_suite(Config) -> + As = ?config(started_apps, Config), + lists:foreach(fun (A) -> application:stop(A) end, As), catch erts_debug:set_internal_state(available_internal_state, false), Config. @@ -102,7 +123,6 @@ init_per_group(_GroupName, Config) -> end_per_group(_GroupName, Config) -> Config. - init_per_testcase(Func, Config) when is_atom(Func), is_list(Config) -> Dog=?t:timetrap(?t:minutes(10)), [{watchdog, Dog},{testcase, Func}|Config]. @@ -1379,6 +1399,9 @@ processes_large_tab(doc) -> processes_large_tab(suite) -> []; processes_large_tab(Config) when is_list(Config) -> + sys_mem_cond_run(2048, fun () -> processes_large_tab_test(Config) end). + +processes_large_tab_test(Config) -> enable_internal_state(), MaxDbgLvl = 20, MinProcTabSize = 2*(1 bsl 15), @@ -1430,6 +1453,9 @@ processes_default_tab(doc) -> processes_default_tab(suite) -> []; processes_default_tab(Config) when is_list(Config) -> + sys_mem_cond_run(1024, fun () -> processes_default_tab_test(Config) end). + +processes_default_tab_test(Config) -> {ok, DefaultNode} = start_node(Config, ""), Res = rpc:call(DefaultNode, ?MODULE, processes_bif_test, []), stop_node(DefaultNode), @@ -1452,7 +1478,7 @@ processes_this_tab(doc) -> processes_this_tab(suite) -> []; processes_this_tab(Config) when is_list(Config) -> - chk_processes_bif_test_res(processes_bif_test()). + sys_mem_cond_run(1024, fun () -> chk_processes_bif_test_res(processes_bif_test()) end). chk_processes_bif_test_res(ok) -> ok; chk_processes_bif_test_res({comment, _} = Comment) -> Comment; @@ -1494,6 +1520,7 @@ processes_bif_cleaner() -> spawn_initial_hangarounds(Cleaner) -> TabSz = erlang:system_info(process_limit), + erts_debug:set_internal_state(next_pid,TabSz), spawn_initial_hangarounds(Cleaner, TabSz, TabSz*2, @@ -1538,14 +1565,21 @@ hangaround(Cleaner, Type) -> spawn_initial_hangarounds(_Cleaner, NP, Max, Len, HAs) when NP > Max -> {Len, HAs}; spawn_initial_hangarounds(Cleaner, NP, Max, Len, HAs) -> - erts_debug:set_internal_state(next_pid,NP), + Skip = 30, HA1 = spawn_opt(?MODULE, hangaround, [Cleaner, initial_hangaround], [{priority, low}]), HA2 = spawn_opt(?MODULE, hangaround, [Cleaner, initial_hangaround], [{priority, normal}]), HA3 = spawn_opt(?MODULE, hangaround, [Cleaner, initial_hangaround], [{priority, high}]), - spawn_initial_hangarounds(Cleaner, NP+30, Max, Len+3, [HA1,HA2,HA3|HAs]). + spawn_drop(Skip), + spawn_initial_hangarounds(Cleaner, NP+Skip, Max, Len+3, [HA1,HA2,HA3|HAs]). + +spawn_drop(N) when N =< 0 -> + ok; +spawn_drop(N) -> + spawn(fun () -> ok end), + spawn_drop(N-1). do_processes(WantReds) -> erts_debug:set_internal_state(reds_left, WantReds), @@ -2087,6 +2121,9 @@ otp_7738_resume(Config) when is_list(Config) -> otp_7738_test(resume). otp_7738_test(Type) -> + sys_mem_cond_run(3072, fun () -> do_otp_7738_test(Type) end). + +do_otp_7738_test(Type) -> T = self(), S = spawn_link(fun () -> receive @@ -2188,6 +2225,208 @@ garb_other_running(Config) when is_list(Config) -> receive {'DOWN', Mon, process, Pid, normal} -> ok end, ok. +no_priority_inversion(Config) when is_list(Config) -> + Prio = process_flag(priority, max), + HTLs = lists:map(fun (_) -> + spawn_opt(fun () -> + tok_loop() + end, + [{priority, high}, monitor, link]) + end, + lists:seq(1, 2*erlang:system_info(schedulers))), + receive after 500 -> ok end, + LTL = spawn_opt(fun () -> + tok_loop() + end, + [{priority, low}, monitor, link]), + false = erlang:check_process_code(element(1, LTL), nonexisting_module), + true = erlang:garbage_collect(element(1, LTL)), + lists:foreach(fun ({P, _}) -> + unlink(P), + exit(P, kill) + end, [LTL | HTLs]), + lists:foreach(fun ({P, M}) -> + receive + {'DOWN', M, process, P, killed} -> + ok + end + end, [LTL | HTLs]), + process_flag(priority, Prio), + ok. + +no_priority_inversion2(Config) when is_list(Config) -> + Prio = process_flag(priority, max), + MTLs = lists:map(fun (_) -> + spawn_opt(fun () -> + tok_loop() + end, + [{priority, max}, monitor, link]) + end, + lists:seq(1, 2*erlang:system_info(schedulers))), + receive after 500 -> ok end, + {PL, ML} = spawn_opt(fun () -> + tok_loop() + end, + [{priority, low}, monitor, link]), + RL = request_gc(PL, low), + RN = request_gc(PL, normal), + RH = request_gc(PL, high), + receive + {garbage_collect, _, _} -> + ?t:fail(unexpected_gc) + after 1000 -> + ok + end, + RM = request_gc(PL, max), + receive + {garbage_collect, RM, true} -> + ok + end, + lists:foreach(fun ({P, _}) -> + unlink(P), + exit(P, kill) + end, MTLs), + lists:foreach(fun ({P, M}) -> + receive + {'DOWN', M, process, P, killed} -> + ok + end + end, MTLs), + receive + {garbage_collect, RH, true} -> + ok + end, + receive + {garbage_collect, RN, true} -> + ok + end, + receive + {garbage_collect, RL, true} -> + ok + end, + unlink(PL), + exit(PL, kill), + receive + {'DOWN', ML, process, PL, killed} -> + ok + end, + process_flag(priority, Prio), + ok. + +request_gc(Pid, Prio) -> + Ref = make_ref(), + erts_internal:request_system_task(Pid, Prio, {garbage_collect, Ref}), + Ref. + +system_task_blast(Config) when is_list(Config) -> + Me = self(), + GCReq = fun () -> + RL = gc_req(Me, 100), + lists:foreach(fun (R) -> + receive + {garbage_collect, R, true} -> + ok + end + end, RL), + exit(it_worked) + end, + HTLs = lists:map(fun (_) -> spawn_monitor(GCReq) end, lists:seq(1, 1000)), + lists:foreach(fun ({P, M}) -> + receive + {'DOWN', M, process, P, it_worked} -> + ok + end + end, HTLs), + ok. + +gc_req(_Pid, 0) -> + []; +gc_req(Pid, N) -> + R0 = request_gc(Pid, low), + R1 = request_gc(Pid, normal), + R2 = request_gc(Pid, high), + R3 = request_gc(Pid, max), + [R0, R1, R2, R3 | gc_req(Pid, N-1)]. + +system_task_on_suspended(Config) when is_list(Config) -> + {P, M} = spawn_monitor(fun () -> + tok_loop() + end), + true = erlang:suspend_process(P), + {status, suspended} = process_info(P, status), + true = erlang:garbage_collect(P), + {status, suspended} = process_info(P, status), + true = erlang:resume_process(P), + false = ({status, suspended} == process_info(P, status)), + exit(P, kill), + receive + {'DOWN', M, process, P, killed} -> + ok + end. + +gc_request_when_gc_disabled(Config) when is_list(Config) -> + Master = self(), + AIS = erts_debug:set_internal_state(available_internal_state, true), + {P, M} = spawn_opt(fun () -> + true = erts_debug:set_internal_state(gc_state, + false), + Master ! {self(), gc_state, false}, + receive after 1000 -> ok end, + Master ! {self(), gc_state, true}, + false = erts_debug:set_internal_state(gc_state, + true), + receive after 100 -> ok end + end, [monitor, link]), + receive {P, gc_state, false} -> ok end, + ReqId = make_ref(), + async = garbage_collect(P, [{async, ReqId}]), + receive + {garbage_collect, ReqId, Result} -> + ?t:fail({unexpected_gc, Result}); + {P, gc_state, true} -> + 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. + +gc_request_blast_when_gc_disabled(Config) when is_list(Config) -> + Master = self(), + AIS = erts_debug:set_internal_state(available_internal_state, true), + {P, M} = spawn_opt(fun () -> + true = erts_debug:set_internal_state(gc_state, + false), + Master ! {self(), gc_state, false}, + receive after 1000 -> ok end, + false = erts_debug:set_internal_state(gc_state, + true), + receive after 100 -> ok end + end, [monitor, link]), + receive {P, gc_state, false} -> ok end, + PMs = lists:map(fun (N) -> + Prio = case N rem 4 of + 0 -> max; + 1 -> high; + 2 -> normal; + 3 -> low + end, + spawn_opt(fun () -> + erlang:garbage_collect(P) + end, [monitor, link, {priority, Prio}]) + end, lists:seq(1, 10000)), + lists:foreach(fun ({Proc, Mon}) -> + receive + {'DOWN', Mon, process, Proc, normal} -> + ok + end + end, + PMs), + erts_debug:set_internal_state(available_internal_state, AIS), + receive {'DOWN', M, process, P, _Reason} -> ok end, + ok. + + %% Internal functions wait_until(Fun) -> @@ -2231,3 +2470,31 @@ enable_internal_state() -> true -> true; _ -> erts_debug:set_internal_state(available_internal_state, true) end. + +sys_mem_cond_run(ReqSizeMB, TestFun) when is_integer(ReqSizeMB) -> + case total_memory() of + TotMem when is_integer(TotMem), TotMem >= ReqSizeMB -> + TestFun(); + TotMem when is_integer(TotMem) -> + {skipped, "Not enough memory ("++integer_to_list(TotMem)++" MB)"}; + undefined -> + {skipped, "Could not retrieve memory information"} + end. + + +total_memory() -> + %% Totat memory in MB. + try + MemoryData = memsup:get_system_memory_data(), + case lists:keysearch(total_memory, 1, MemoryData) of + {value, {total_memory, TM}} -> + TM div (1024*1024); + false -> + {value, {system_total_memory, STM}} = + lists:keysearch(system_total_memory, 1, MemoryData), + STM div (1024*1024) + end + catch + _ : _ -> + undefined + end. |