diff options
Diffstat (limited to 'erts/emulator/test')
-rw-r--r-- | erts/emulator/test/distribution_SUITE.erl | 2 | ||||
-rw-r--r-- | erts/emulator/test/estone_SUITE.erl | 4 | ||||
-rw-r--r-- | erts/emulator/test/nif_SUITE.erl | 4 | ||||
-rw-r--r-- | erts/emulator/test/scheduler_SUITE.erl | 176 |
4 files changed, 174 insertions, 12 deletions
diff --git a/erts/emulator/test/distribution_SUITE.erl b/erts/emulator/test/distribution_SUITE.erl index 7a33dbbb36..d562f79bb7 100644 --- a/erts/emulator/test/distribution_SUITE.erl +++ b/erts/emulator/test/distribution_SUITE.erl @@ -164,7 +164,7 @@ bulk_send(Terms, BinSize) -> ?line stop_node(Node), ?line test_server:timetrap_cancel(Dog), - {comment, integer_to_list(trunc(Size/1024/Elapsed+0.5)) ++ " K/s"}. + {comment, integer_to_list(trunc(Size/1024/max(1,Elapsed)+0.5)) ++ " K/s"}. bulk_sendsend(Terms, BinSize) -> {Rate1, MonitorCount1} = bulk_sendsend2(Terms, BinSize, 5), diff --git a/erts/emulator/test/estone_SUITE.erl b/erts/emulator/test/estone_SUITE.erl index 7be55eca8d..7710424894 100644 --- a/erts/emulator/test/estone_SUITE.erl +++ b/erts/emulator/test/estone_SUITE.erl @@ -382,11 +382,11 @@ apply_micro(M) -> {weight_percentage, M#micro.weight}, {loops, M#micro.loops}, {microsecs,MicroSecs}, - {estones, (M#micro.weight * M#micro.weight * ?STONEFACTOR) div MicroSecs}, + {estones, (M#micro.weight * M#micro.weight * ?STONEFACTOR) div max(1,MicroSecs)}, {gcs, GC1 - GC0}, {kilo_word_reclaimed, (Words1 - Words0) div 1000}, {kilo_reductions, Reds div 1000}, - {gc_intensity, gci(Elapsed, GC1 - GC0, Words1 - Words0)}]. + {gc_intensity, gci(max(1,Elapsed), GC1 - GC0, Words1 - Words0)}]. monotonic_time() -> try erlang:monotonic_time() catch error:undef -> erlang:now() end. diff --git a/erts/emulator/test/nif_SUITE.erl b/erts/emulator/test/nif_SUITE.erl index 7ce37b04b3..c6c617f97f 100644 --- a/erts/emulator/test/nif_SUITE.erl +++ b/erts/emulator/test/nif_SUITE.erl @@ -1711,7 +1711,9 @@ tmpmem() -> false -> undefined; MemInfo -> MSBCS = lists:foldl( - fun ({instance, _, L}, Acc) -> + fun ({instance, 0, _}, Acc) -> + Acc; % Ignore instance 0 + ({instance, _, L}, Acc) -> {value,{_,MBCS}} = lists:keysearch(mbcs, 1, L), {value,{_,SBCS}} = lists:keysearch(sbcs, 1, L), [MBCS,SBCS | Acc] diff --git a/erts/emulator/test/scheduler_SUITE.erl b/erts/emulator/test/scheduler_SUITE.erl index 1f284228db..f998e7d4d2 100644 --- a/erts/emulator/test/scheduler_SUITE.erl +++ b/erts/emulator/test/scheduler_SUITE.erl @@ -54,6 +54,7 @@ sct_cmd/1, sbt_cmd/1, scheduler_threads/1, + scheduler_suspend_basic/1, scheduler_suspend/1, dirty_scheduler_threads/1, dirty_scheduler_exit/1, @@ -69,8 +70,10 @@ all() -> [equal, few_low, many_low, equal_with_part_time_high, equal_with_part_time_max, equal_and_high_with_part_time_max, equal_with_high, - equal_with_high_max, bound_process, - {group, scheduler_bind}, scheduler_threads, scheduler_suspend, + equal_with_high_max, + bound_process, + {group, scheduler_bind}, scheduler_threads, + scheduler_suspend_basic, scheduler_suspend, dirty_scheduler_threads, dirty_scheduler_exit, reader_groups]. @@ -1131,6 +1134,7 @@ dirty_schedulers_online_test(true) -> dirty_schedulers_online_smp_test(erlang:system_info(schedulers_online)). dirty_schedulers_online_smp_test(SchedOnln) when SchedOnln < 4 -> ok; dirty_schedulers_online_smp_test(SchedOnln) -> + receive after 500 -> ok end, DirtyCPUSchedOnln = erlang:system_info(dirty_cpu_schedulers_online), SchedOnln = DirtyCPUSchedOnln, HalfSchedOnln = SchedOnln div 2, @@ -1139,9 +1143,11 @@ dirty_schedulers_online_smp_test(SchedOnln) -> HalfDirtyCPUSchedOnln = erlang:system_flag(schedulers_online, SchedOnln), DirtyCPUSchedOnln = erlang:system_flag(dirty_cpu_schedulers_online, HalfDirtyCPUSchedOnln), + receive after 500 -> ok end, HalfDirtyCPUSchedOnln = erlang:system_info(dirty_cpu_schedulers_online), QrtrDirtyCPUSchedOnln = HalfDirtyCPUSchedOnln div 2, SchedOnln = erlang:system_flag(schedulers_online, HalfSchedOnln), + receive after 500 -> ok end, QrtrDirtyCPUSchedOnln = erlang:system_info(dirty_cpu_schedulers_online), ok. @@ -1214,6 +1220,113 @@ wait_dse([Pid|Pids]) -> dirty_sleeper() -> erlang:nif_error({error,?MODULE}). +scheduler_suspend_basic(Config) when is_list(Config) -> + case erlang:system_info(multi_scheduling) of + disabled -> + {skip, "Nothing to test"}; + _ -> + Onln = erlang:system_info(schedulers_online), + try + scheduler_suspend_basic_test() + after + erlang:system_flag(schedulers_online, Onln) + end + end. + +scheduler_suspend_basic_test() -> + %% The receives after setting scheduler states are there + %% since the operation is not fully synchronous. For example, + %% we do not wait for dirty cpu schedulers online to complete + %% before returning from erlang:system_flag(schedulers_online, _). + + erlang:system_flag(schedulers_online, + erlang:system_info(schedulers)), + try + erlang:system_flag(dirty_cpu_schedulers_online, + erlang:system_info(dirty_cpu_schedulers)), + receive after 500 -> ok end + catch + _ : _ -> + ok + end, + + S0 = sched_state(), + io:format("~p~n", [S0]), + {{normal,NTot0,NOnln0,NAct0}, + {dirty_cpu,DCTot0,DCOnln0,DCAct0}, + {dirty_io,DITot0,DIOnln0,DIAct0}} = S0, + enabled = erlang:system_info(multi_scheduling), + + DCOne = case DCTot0 of + 0 -> 0; + _ -> 1 + end, + + blocked_normal = erlang:system_flag(multi_scheduling, block_normal), + blocked_normal = erlang:system_info(multi_scheduling), + {{normal,NTot0,NOnln0,1}, + {dirty_cpu,DCTot0,DCOnln0,DCAct0}, + {dirty_io,DITot0,DIOnln0,DIAct0}} = sched_state(), + + NOnln0 = erlang:system_flag(schedulers_online, 1), + receive after 500 -> ok end, + {{normal,NTot0,1,1}, + {dirty_cpu,DCTot0,DCOne,DCOne}, + {dirty_io,DITot0,DIOnln0,DIAct0}} = sched_state(), + + 1 = erlang:system_flag(schedulers_online, NOnln0), + receive after 500 -> ok end, + {{normal,NTot0,NOnln0,1}, + {dirty_cpu,DCTot0,DCOnln0,DCAct0}, + {dirty_io,DITot0,DIOnln0,DIAct0}} = sched_state(), + + blocked = erlang:system_flag(multi_scheduling, block), + blocked = erlang:system_info(multi_scheduling), + receive after 500 -> ok end, + {{normal,NTot0,NOnln0,1}, + {dirty_cpu,DCTot0,DCOnln0,0}, + {dirty_io,DITot0,DIOnln0,0}} = sched_state(), + + NOnln0 = erlang:system_flag(schedulers_online, 1), + receive after 500 -> ok end, + {{normal,NTot0,1,1}, + {dirty_cpu,DCTot0,DCOne,0}, + {dirty_io,DITot0,DIOnln0,0}} = sched_state(), + + 1 = erlang:system_flag(schedulers_online, NOnln0), + receive after 500 -> ok end, + {{normal,NTot0,NOnln0,1}, + {dirty_cpu,DCTot0,DCOnln0,0}, + {dirty_io,DITot0,DIOnln0,0}} = sched_state(), + + blocked = erlang:system_flag(multi_scheduling, unblock_normal), + blocked = erlang:system_info(multi_scheduling), + {{normal,NTot0,NOnln0,1}, + {dirty_cpu,DCTot0,DCOnln0,0}, + {dirty_io,DITot0,DIOnln0,0}} = sched_state(), + + enabled = erlang:system_flag(multi_scheduling, unblock), + enabled = erlang:system_info(multi_scheduling), + receive after 500 -> ok end, + {{normal,NTot0,NOnln0,NAct0}, + {dirty_cpu,DCTot0,DCOnln0,DCAct0}, + {dirty_io,DITot0,DIOnln0,DIAct0}} = sched_state(), + + NOnln0 = erlang:system_flag(schedulers_online, 1), + receive after 500 -> ok end, + {{normal,NTot0,1,1}, + {dirty_cpu,DCTot0,DCOne,DCOne}, + {dirty_io,DITot0,DIOnln0,DIAct0}} = sched_state(), + + 1 = erlang:system_flag(schedulers_online, NOnln0), + receive after 500 -> ok end, + {{normal,NTot0,NOnln0,NAct0}, + {dirty_cpu,DCTot0,DCOnln0,DCAct0}, + {dirty_io,DITot0,DIOnln0,DIAct0}} = sched_state(), + + ok. + + scheduler_suspend(Config) when is_list(Config) -> ?line Dog = ?t:timetrap(?t:minutes(5)), ?line lists:foreach(fun (S) -> scheduler_suspend_test(Config, S) end, @@ -1238,12 +1351,17 @@ scheduler_suspend_test(Config, Schedulers) -> ?line [ok] = mcall(Node, [fun () -> sst0_loop(300) end]), ?line [ok] = mcall(Node, [fun () -> sst1_loop(300) end]), ?line [ok] = mcall(Node, [fun () -> sst2_loop(300) end]), - ?line [ok, ok, ok, ok, ok] = mcall(Node, - [fun () -> sst0_loop(200) end, - fun () -> sst1_loop(200) end, - fun () -> sst2_loop(200) end, - fun () -> sst2_loop(200) end, - fun () -> sst3_loop(Sched, 200) end]), + ?line [ok] = mcall(Node, [fun () -> sst4_loop(300) end]), + ?line [ok] = mcall(Node, [fun () -> sst5_loop(300) end]), + ?line [ok, ok, ok, ok, + ok, ok, ok] = mcall(Node, + [fun () -> sst0_loop(200) end, + fun () -> sst1_loop(200) end, + fun () -> sst2_loop(200) end, + fun () -> sst2_loop(200) end, + fun () -> sst3_loop(Sched, 200) end, + fun () -> sst4_loop(200) end, + fun () -> sst5_loop(200) end]), ?line [SState] = mcall(Node, [fun () -> case Sched == SchedOnln of false -> @@ -1320,6 +1438,20 @@ sst3_loop_with_dirty_schedulers(S, DS, N) -> erlang:system_flag(dirty_cpu_schedulers_online, DS), sst3_loop_with_dirty_schedulers(S, DS, N-1). +sst4_loop(0) -> + ok; +sst4_loop(N) -> + erlang:system_flag(multi_scheduling, block_normal), + erlang:system_flag(multi_scheduling, unblock_normal), + sst4_loop(N-1). + +sst5_loop(0) -> + ok; +sst5_loop(N) -> + erlang:system_flag(multi_scheduling, block_normal), + erlang:system_flag(multi_scheduling, unblock_normal), + sst5_loop(N-1). + reader_groups(Config) when is_list(Config) -> %% White box testing. These results are correct, but other results %% could be too... @@ -1598,6 +1730,34 @@ reader_groups_map(CPUT, Groups) -> %% Utils %% +sched_state() -> + sched_state(erlang:system_info(all_schedulers_state), + undefined, + {dirty_cpu,0,0,0}, + {dirty_io,0,0,0}). + + +sched_state([], N, DC, DI) -> + try + chk_basic(N), + chk_basic(DC), + chk_basic(DI), + {N, DC, DI} + catch + _ : _ -> + ?t:fail({inconsisten_scheduler_state, {N, DC, DI}}) + end; +sched_state([{normal, _, _, _} = S | Rest], _S, DC, DI) -> + sched_state(Rest, S, DC, DI); +sched_state([{dirty_cpu, _, _, _} = DC | Rest], S, _DC, DI) -> + sched_state(Rest, S, DC, DI); +sched_state([{dirty_io, _, _, _} = DI | Rest], S, DC, _DI) -> + sched_state(Rest, S, DC, DI). + +chk_basic({_Type, Tot, Onln, Act}) -> + true = Tot >= Onln, + true = Onln >= Act. + l(Id) -> {logical, Id}. |