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-rw-r--r--erts/emulator/test/dirty_nif_SUITE.erl6
-rw-r--r--erts/emulator/test/driver_SUITE.erl8
-rw-r--r--erts/emulator/test/long_timers_test.erl188
-rw-r--r--erts/emulator/test/nif_SUITE.erl11
-rw-r--r--erts/emulator/test/process_SUITE.erl2
-rw-r--r--erts/emulator/test/scheduler_SUITE.erl67
-rw-r--r--erts/emulator/test/statistics_SUITE.erl17
-rw-r--r--erts/emulator/test/timer_bif_SUITE.erl6
-rw-r--r--erts/emulator/test/z_SUITE.erl8
9 files changed, 249 insertions, 64 deletions
diff --git a/erts/emulator/test/dirty_nif_SUITE.erl b/erts/emulator/test/dirty_nif_SUITE.erl
index 653b96557e..5e4c81a9cf 100644
--- a/erts/emulator/test/dirty_nif_SUITE.erl
+++ b/erts/emulator/test/dirty_nif_SUITE.erl
@@ -233,7 +233,11 @@ dirty_call_while_terminated(Config) when is_list(Config) ->
process_info(self(),
binary))),
process_flag(trap_exit, OT),
- ok.
+ try
+ blipp:blupp(Bin)
+ catch
+ _ : _ -> ok
+ end.
dirty_heap_access(Config) when is_list(Config) ->
{ok, Node} = start_node(Config),
diff --git a/erts/emulator/test/driver_SUITE.erl b/erts/emulator/test/driver_SUITE.erl
index f134a197aa..a3df0bb2db 100644
--- a/erts/emulator/test/driver_SUITE.erl
+++ b/erts/emulator/test/driver_SUITE.erl
@@ -114,7 +114,7 @@
-define(MAX_DATA_SIZE, 16384).
% This is the allowed delay when testing the driver timer functionality
--define(delay, 100).
+-define(delay, 400).
-define(heap_binary_size, 64).
@@ -401,7 +401,7 @@ try_timeouts(Port, Timeout) ->
true ->
try_timeouts(Port, Timeout div 2)
end
- after Timeout + ?delay ->
+ after Timeout + 100*?delay ->
ct:fail("driver failed to timeout")
end.
@@ -437,7 +437,7 @@ try_cancel(Port, Timeout) ->
Timeout == 0 -> ok;
true -> try_cancel(Port, Timeout div 2)
end
- after ?delay ->
+ after 100*?delay ->
ct:fail("No message from driver")
end
end.
@@ -505,7 +505,7 @@ try_change_timer(Port, Timeout) ->
true ->
try_timeouts(Port, Timeout div 2)
end
- after Timeout + ?delay ->
+ after Timeout + 100*?delay ->
ct:fail("driver failed to timeout")
end.
diff --git a/erts/emulator/test/long_timers_test.erl b/erts/emulator/test/long_timers_test.erl
index 7c055a31f9..90efe1292c 100644
--- a/erts/emulator/test/long_timers_test.erl
+++ b/erts/emulator/test/long_timers_test.erl
@@ -27,11 +27,16 @@
%%% Created : 21 Aug 2006 by Rickard Green <[email protected]>
%%%-------------------------------------------------------------------
+-define(HIGH_CPU_INFO, "Ignored due to high CPU utilization.").
+-define(MISSING_CPU_INFO, "Ignored due to missing CPU utilization information.").
-define(MAX_TIMEOUT, 60). % Minutes
--define(MAX_LATE_MS, 15*1000). % Milliseconds
+-define(MAX_LATE_MS, 1000). % Milliseconds
-define(REG_NAME, '___LONG___TIMERS___TEST___SERVER___').
+-define(HIGH_UTIL, 96.0).
+-define(UTIL_INTERVAL, 10000).
+
-define(DRV_NAME, timer_driver).
% First byte in communication with the timer driver
@@ -72,52 +77,149 @@ check_result() ->
receive
{'DOWN', Mon, process, _, Reason} ->
{?REG_NAME, 'DOWN', Reason};
- {result, ?REG_NAME, TORs, Start, End} ->
+ {result, ?REG_NAME, TORs, Start, End, UtilData} ->
erlang:demonitor(Mon),
receive {'DOWN', Mon, _, _, _} -> ok after 0 -> ok end,
stop_node(Node),
- check(TORs, ms((End - Start) - max_late()), ok)
+ Res = check(TORs, Start, End, UtilData, ms((End - Start) - max_late()), ok),
+ io:format("Start = ~p~n End = ~p~n UtilData = ~p~n", [Start, End, UtilData]),
+ Res
end.
+res(New, Old) when New == failed; Old == failed ->
+ failed;
+res(New, Old) when New == missing_cpu_info; Old == missing_cpu_info ->
+ missing_cpu_info;
+res(New, Old) when New == high_cpu; Old == high_cpu ->
+ high_cpu;
+res(New, _Old) ->
+ New.
+
check([#timeout_rec{timeout = Timeout,
type = Type,
timeout_diff = undefined} | TORs],
+ Start,
+ End,
+ UtilData,
NeedRes,
- _Ok) when Timeout < NeedRes ->
- io:format("~p timeout = ~p ms failed! No timeout.~n",
- [Type, Timeout]),
- check(TORs, NeedRes, failed);
+ Ok) when Timeout < NeedRes ->
+ {NewOk, HCPU} = case had_high_cpu_util(Start,
+ Timeout,
+ End - Timeout*1000,
+ UtilData) of
+ yes -> {res(high_cpu, Ok), ?HIGH_CPU_INFO};
+ no -> {res(failed, Ok), ""};
+ missing -> {res(missing_cpu_info, Ok), "FAILED", ?MISSING_CPU_INFO}
+ end,
+ io:format("~p timeout = ~p ms FAILED! No timeout. ~s~n",
+ [Type, Timeout, HCPU]),
+ check(TORs, Start, End, UtilData, NeedRes, NewOk);
check([#timeout_rec{timeout_diff = undefined} | TORs],
+ Start,
+ End,
+ UtilData,
NeedRes,
Ok) ->
- check(TORs, NeedRes, Ok);
+ check(TORs, Start, End, UtilData, NeedRes, Ok);
check([#timeout_rec{timeout = Timeout,
type = Type,
timeout_diff = {error, Reason}} | TORs],
+ Start,
+ End,
+ UtilData,
NeedRes,
_Ok) ->
- io:format("~p timeout = ~p ms failed! exit reason ~p~n",
+ io:format("~p timeout = ~p ms FAILED! exit reason ~p~n",
[Type, Timeout, Reason]),
- check(TORs, NeedRes, failed);
+ check(TORs, Start, End, UtilData, NeedRes, failed);
check([#timeout_rec{timeout = Timeout,
type = Type,
timeout_diff = TimeoutDiff} | TORs],
+ Start,
+ End,
+ UtilData,
NeedRes,
Ok) ->
- {NewOk, SuccessStr} = case ((0 =< TimeoutDiff)
- andalso (TimeoutDiff =< max_late())) of
- true -> {Ok, "succeeded"};
- false -> {failed, "FAILED"}
+ {NewOk, SuccessStr, HCPU} = case {(0 =< TimeoutDiff),
+ (TimeoutDiff =< max_late())} of
+ {true, true} ->
+ {res(ok, Ok), "succeeded", ""};
+ {false, _} ->
+ {res(failed, Ok), "FAILED", ""};
+ _ ->
+ case had_high_cpu_util(Start,
+ Timeout,
+ TimeoutDiff,
+ UtilData) of
+ yes -> {res(high_cpu, Ok), "FAILED", ?HIGH_CPU_INFO};
+ no -> {res(failed, Ok), "FAILED", ""};
+ missing -> {res(missing_cpu_info, Ok), "FAILED", ?MISSING_CPU_INFO}
+ end
end,
- io:format("~s timeout = ~s ms ~s! timeout diff = ~s.~n",
+ io:format("~s timeout = ~s ms ~s! timeout diff = ~s. ~s~n",
[type_str(Type),
time_str(Timeout),
SuccessStr,
- time_str(TimeoutDiff, erlang:convert_time_unit(1, seconds, native))]),
- check(TORs, NeedRes, NewOk);
-check([], _NeedRes, Ok) ->
+ time_str(TimeoutDiff, 1000000),
+ HCPU]),
+ check(TORs, Start, End, UtilData, NeedRes, NewOk);
+check([],_Start,_End,_UtilData,_NeedRes, Ok) ->
Ok.
+% TargetTimeout in ms, other in us.
+had_high_cpu_util(StartTime,
+ TargetTimeout,
+ TimeoutDiff,
+ UtilData) ->
+ TargetTo = StartTime + TargetTimeout*1000,
+ ActTo = TargetTo + TimeoutDiff,
+ hcpu(ActTo, TargetTo, UtilData).
+
+hcpu(_ActTo, _TargetTo, [{UT, 0} | _] = UD) ->
+ missing; %% Util is the integer zero when not supported...
+%% UT2 =:= UT1
+hcpu(ActTo, TargetTo, [{UT, _}, {UT, _} | _] = UD) ->
+ hcpu(ActTo, TargetTo, tl(UD));
+%% UT2 > UT1 > ActTo > TargetTo
+hcpu(ActTo, TargetTo, [{_UT2, _}, {UT1, _} | _] = UD) when UT1 > ActTo ->
+ hcpu(ActTo, TargetTo, tl(UD));
+%% UT2 >= ActTo > TargetTo >= UT1
+hcpu(ActTo, TargetTo,
+ [{UT2, U}, {UT1, _} | _]) when UT2 >= ActTo,
+ TargetTo >= UT1 ->
+ case U >= (((ActTo - TargetTo) / (UT2 - UT1))
+ * (?HIGH_UTIL/100.0)) of
+ true -> yes;
+ false -> no
+ end;
+%% UT2 >= ActTo >= UT1 > TargetTo
+hcpu(ActTo, TargetTo,
+ [{UT2, U}, {UT1, _} | _] = UD) when UT2 >= ActTo,
+ ActTo >= UT1,
+ UT1 > TargetTo ->
+ case U >= (((ActTo - UT1) / (UT2 - UT1))
+ * (?HIGH_UTIL/100.0)) of
+ true -> hcpu(ActTo, TargetTo, tl(UD));
+ false -> no
+ end;
+%% ActTo > UT2 >= TargetTo >= UT1
+hcpu(ActTo, TargetTo,
+ [{UT2, U}, {UT1, _} | _]) when ActTo > UT2,
+ TargetTo >= UT1 ->
+ case U >= (((UT2 - TargetTo) / (UT2 - UT1))
+ * (?HIGH_UTIL/100.0)) of
+ true -> yes;
+ false -> no
+ end;
+%% ActTo > UT2 > UT1 > TargetTo
+hcpu(ActTo, TargetTo,
+ [{UT2, U}, {UT1, _} | _] = UD) when ActTo > UT2,
+ UT1 > TargetTo ->
+ case U >= ?HIGH_UTIL of
+ true -> hcpu(ActTo, TargetTo, tl(UD));
+ false -> no
+ end.
+
type_str(receive_after) -> "receive ... after";
type_str(bif_timer) -> "BIF timer";
type_str(driver) -> "driver".
@@ -142,24 +244,24 @@ unit_str(Res) -> Res.
to_diff(Timeout, Start, Stop) ->
%% 'Timeout' in milli seconds
- %% 'Start', 'Stop', and result in native unit
- (Stop - Start) - erlang:convert_time_unit(Timeout, milli_seconds, native).
+ %% 'Start', 'Stop', and result in micro seconds
+ (Stop - Start) - Timeout*1000.
ms(Time) ->
- erlang:convert_time_unit(Time, native, milli_seconds).
+ erlang:convert_time_unit(Time, micro_seconds, milli_seconds).
max_late() ->
- erlang:convert_time_unit(?MAX_LATE_MS, milli_seconds, native).
+ erlang:convert_time_unit(?MAX_LATE_MS, milli_seconds, micro_seconds).
receive_after(Timeout) ->
- Start = erlang:monotonic_time(),
+ Start = erlang:monotonic_time(micro_seconds),
receive
{get_result, ?REG_NAME} ->
?REG_NAME ! #timeout_rec{pid = self(),
type = receive_after,
timeout = Timeout}
after Timeout ->
- Stop = erlang:monotonic_time(),
+ Stop = erlang:monotonic_time(micro_seconds),
receive
{get_result, ?REG_NAME} ->
?REG_NAME ! #timeout_rec{pid = self(),
@@ -174,7 +276,7 @@ receive_after(Timeout) ->
driver(Timeout) ->
Port = open_port({spawn, ?DRV_NAME},[]),
link(Port),
- Start = erlang:monotonic_time(),
+ Start = erlang:monotonic_time(micro_seconds),
erlang:port_command(Port, <<?START_TIMER, Timeout:32>>),
receive
{get_result, ?REG_NAME} ->
@@ -182,7 +284,7 @@ driver(Timeout) ->
type = driver,
timeout = Timeout};
{Port,{data,[?TIMER]}} ->
- Stop = erlang:monotonic_time(),
+ Stop = erlang:monotonic_time(micro_seconds),
unlink(Port),
true = erlang:port_close(Port),
receive
@@ -197,7 +299,7 @@ driver(Timeout) ->
end.
bif_timer(Timeout) ->
- Start = erlang:monotonic_time(),
+ Start = erlang:monotonic_time(micro_seconds),
Tmr = erlang:start_timer(Timeout, self(), ok),
receive
{get_result, ?REG_NAME} ->
@@ -205,7 +307,7 @@ bif_timer(Timeout) ->
type = bif_timer,
timeout = Timeout};
{timeout, Tmr, ok} ->
- Stop = erlang:monotonic_time(),
+ Stop = erlang:monotonic_time(micro_seconds),
receive
{get_result, ?REG_NAME} ->
?REG_NAME ! #timeout_rec{pid = self(),
@@ -218,13 +320,22 @@ bif_timer(Timeout) ->
end.
test(Starter, DrvDir, StartDone) ->
+ process_flag(priority, high),
erl_ddll:start(),
ok = load_driver(DrvDir, ?DRV_NAME),
process_flag(trap_exit, true),
register(?REG_NAME, self()),
{group_leader, GL} = process_info(whereis(net_kernel),group_leader),
group_leader(GL, self()),
- Start = erlang:monotonic_time(),
+ try
+ application:start(sasl),
+ application:start(os_mon)
+ catch
+ _ : _ ->
+ ok
+ end,
+ UtilData = new_util(),
+ Start = erlang:monotonic_time(micro_seconds),
TORs = lists:map(fun (Min) ->
TO = Min*60*1000,
[#timeout_rec{pid = spawn_opt(
@@ -252,16 +363,27 @@ test(Starter, DrvDir, StartDone) ->
lists:seq(1, ?MAX_TIMEOUT)),
FlatTORs = lists:flatten(TORs),
Starter ! StartDone,
- test_loop(FlatTORs, Start).
+ test_loop(FlatTORs, Start, UtilData).
+
+new_util() ->
+ new_util([]).
+
+new_util(UtilData) ->
+ Util = cpu_sup:util(),
+ Time = erlang:monotonic_time(micro_seconds),
+ [{Time, Util} | UtilData].
-test_loop(TORs, Start) ->
+test_loop(TORs, Start, UtilData) ->
receive
{get_result, ?REG_NAME, Pid} ->
- End = erlang:monotonic_time(),
- Pid ! {result, ?REG_NAME, get_test_results(TORs), Start, End},
+ End = erlang:monotonic_time(micro_seconds),
+ EndUtilData = new_util(UtilData),
+ Pid ! {result, ?REG_NAME, get_test_results(TORs), Start, End, EndUtilData},
erl_ddll:unload_driver(?DRV_NAME),
erl_ddll:stop(),
exit(bye)
+ after ?UTIL_INTERVAL ->
+ test_loop(TORs, Start, new_util(UtilData))
end.
get_test_results(TORs) ->
diff --git a/erts/emulator/test/nif_SUITE.erl b/erts/emulator/test/nif_SUITE.erl
index a0e9f1bad6..b8fa7184b6 100644
--- a/erts/emulator/test/nif_SUITE.erl
+++ b/erts/emulator/test/nif_SUITE.erl
@@ -1443,6 +1443,17 @@ otp_9828_loop(Bin, Val) ->
consume_timeslice(Config) when is_list(Config) ->
+ case {erlang:system_info(debug_compiled),
+ erlang:system_info(lock_checking)} of
+ {false, false} ->
+ consume_timeslice_test(Config);
+ {false, true} ->
+ {skipped, "Lock checking enabled"};
+ _ ->
+ {skipped, "Debug compiled"}
+ end.
+
+consume_timeslice_test(Config) when is_list(Config) ->
CONTEXT_REDS = 2000,
Me = self(),
Go = make_ref(),
diff --git a/erts/emulator/test/process_SUITE.erl b/erts/emulator/test/process_SUITE.erl
index dae8990f56..7462c8c593 100644
--- a/erts/emulator/test/process_SUITE.erl
+++ b/erts/emulator/test/process_SUITE.erl
@@ -2376,7 +2376,7 @@ no_priority_inversion2(Config) when is_list(Config) ->
[{priority, max}, monitor, link])
end,
lists:seq(1, 2*erlang:system_info(schedulers))),
- receive after 500 -> ok end,
+ receive after 2000 -> ok end,
{PL, ML} = spawn_opt(fun () ->
tok_loop()
end,
diff --git a/erts/emulator/test/scheduler_SUITE.erl b/erts/emulator/test/scheduler_SUITE.erl
index f18d79d770..a95de609aa 100644
--- a/erts/emulator/test/scheduler_SUITE.erl
+++ b/erts/emulator/test/scheduler_SUITE.erl
@@ -793,13 +793,13 @@ update_cpu_info(Config) when is_list(Config) ->
io:format("START - Affinity mask: ~p - Schedulers online: ~p - Scheduler bindings: ~p~n",
[OldAff, OldOnline, erlang:system_info(scheduler_bindings)]),
case {erlang:system_info(logical_processors_available), OldAff} of
- {Avail, _} when Avail == unknown; OldAff == unknown ->
+ {Avail, _} when Avail == unknown; OldAff == unknown; OldAff == 1 ->
%% Nothing much to test; just a smoke test
case erlang:system_info(update_cpu_info) of
unchanged -> ok;
changed -> ok
end;
- _ ->
+ {Avail, _} ->
try
adjust_schedulers_online(),
case erlang:system_info(schedulers_online) of
@@ -810,7 +810,7 @@ update_cpu_info(Config) when is_list(Config) ->
%% unset least significant bit
Aff = (OldAff band (OldAff - 1)),
set_affinity_mask(Aff),
- Onln1 = Onln0 - 1,
+ Onln1 = Avail - 1,
case adjust_schedulers_online() of
{Onln0, Onln1} ->
Onln1 = erlang:system_info(schedulers_online),
@@ -1072,20 +1072,27 @@ scheduler_threads(Config) when is_list(Config) ->
{Sched, HalfSchedOnln, _} = get_sstate(Config, "+SP:50"),
%% Configure 2x scheduler threads only
{TwiceSched, SchedOnln, _} = get_sstate(Config, "+SP 200"),
- %% Test resetting the scheduler counts
- ResetCmd = "+S "++FourSched++":"++FourSchedOnln++" +S 0:0",
- {Sched, SchedOnln, _} = get_sstate(Config, ResetCmd),
- %% Test negative +S settings, but only for SMP-enabled emulators
- case SmpSupport of
- false -> ok;
- true ->
- SchedMinus1 = Sched-1,
- SchedOnlnMinus1 = SchedOnln-1,
- {SchedMinus1, SchedOnlnMinus1, _} = get_sstate(Config, "+S -1"),
- {Sched, SchedOnlnMinus1, _} = get_sstate(Config, "+S :-1"),
- {SchedMinus1, SchedOnlnMinus1, _} = get_sstate(Config, "+S -1:-1")
- end,
- ok.
+ case {erlang:system_info(logical_processors),
+ erlang:system_info(logical_processors_available)} of
+ {LProc, LProcAvail} when is_integer(LProc), is_integer(LProcAvail) ->
+ %% Test resetting the scheduler counts
+ ResetCmd = "+S "++FourSched++":"++FourSchedOnln++" +S 0:0",
+ {LProc, LProcAvail, _} = get_sstate(Config, ResetCmd),
+ %% Test negative +S settings, but only for SMP-enabled emulators
+ case {SmpSupport, LProc > 1, LProcAvail > 1} of
+ {true, true, true} ->
+ SchedMinus1 = LProc-1,
+ SchedOnlnMinus1 = LProcAvail-1,
+ {SchedMinus1, SchedOnlnMinus1, _} = get_sstate(Config, "+S -1"),
+ {LProc, SchedOnlnMinus1, _} = get_sstate(Config, "+S :-1"),
+ {SchedMinus1, SchedOnlnMinus1, _} = get_sstate(Config, "+S -1:-1"),
+ ok;
+ _ ->
+ {comment, "Skipped reduced amount of schedulers test due to too few logical processors"}
+ end;
+ _ -> %% Skipped when missing info about logical processors...
+ {comment, "Skipped reset amount of schedulers test, and reduced amount of schedulers test due to too unknown amount of logical processors"}
+ end.
dirty_scheduler_threads(Config) when is_list(Config) ->
SmpSupport = erlang:system_info(smp_support),
@@ -1312,11 +1319,33 @@ scheduler_suspend_test(Config, Schedulers) ->
true ->
ok
end,
- erlang:system_info(schedulers_state)
+ until(fun () ->
+ {_A, B, C} = erlang:system_info(
+ schedulers_state),
+ B == C
+ end,
+ erlang:monotonic_time()
+ + erlang:convert_time_unit(1,
+ seconds,
+ native)),
+ erlang:system_info(schedulers_state)
end]),
stop_node(Node),
ok.
-
+
+until(Pred, MaxTime) ->
+ case Pred() of
+ true ->
+ true;
+ false ->
+ case erlang:monotonic_time() > MaxTime of
+ true ->
+ false;
+ false ->
+ receive after 100 -> ok end,
+ until(Pred, MaxTime)
+ end
+ end.
sst0_loop(0) ->
ok;
diff --git a/erts/emulator/test/statistics_SUITE.erl b/erts/emulator/test/statistics_SUITE.erl
index 71ef003b25..a1f12ba93c 100644
--- a/erts/emulator/test/statistics_SUITE.erl
+++ b/erts/emulator/test/statistics_SUITE.erl
@@ -129,11 +129,15 @@ do_runtime_update(0) ->
{comment,"Never close enough"};
do_runtime_update(N) ->
{T1,Diff0} = statistics(runtime),
- spawn_link(fun cpu_heavy/0),
+ {CPUHog, CPUHogMon} = spawn_opt(fun cpu_heavy/0,[link,monitor]),
receive after 1000 -> ok end,
{T2,Diff} = statistics(runtime),
+ unlink(CPUHog),
+ exit(CPUHog, kill),
+
true = is_integer(T1+T2+Diff0+Diff),
io:format("T1 = ~p, T2 = ~p, Diff = ~p, T2-T1 = ~p", [T1,T2,Diff,T2-T1]),
+ receive {'DOWN',CPUHogMon,process,CPUHog,_} -> ok end,
if
T2 - T1 =:= Diff, 900 =< Diff, Diff =< 1500 -> ok;
true -> do_runtime_update(N-1)
@@ -311,8 +315,17 @@ scheduler_wall_time(Config) when is_list(Config) ->
true -> exit({fullload, FullLoad})
end,
- [exit(Pid, kill) || Pid <- [P1|HalfHogs++LastHogs]],
+ KillHog = fun (HP) ->
+ HPM = erlang:monitor(process, HP),
+ exit(HP, kill),
+ receive
+ {'DOWN', HPM, process, HP, killed} ->
+ ok
+ end
+ end,
+ [KillHog(Pid) || Pid <- [P1|HalfHogs++LastHogs]],
AfterLoad = get_load(),
+ io:format("AfterLoad=~p~n", [AfterLoad]),
{false,_} = {lists:any(fun(Load) -> Load > 25 end, AfterLoad),AfterLoad},
true = erlang:system_flag(scheduler_wall_time, false)
after
diff --git a/erts/emulator/test/timer_bif_SUITE.erl b/erts/emulator/test/timer_bif_SUITE.erl
index a5f11bd959..44f276f232 100644
--- a/erts/emulator/test/timer_bif_SUITE.erl
+++ b/erts/emulator/test/timer_bif_SUITE.erl
@@ -74,7 +74,7 @@ all() ->
%% Basic start_timer/3 functionality
start_timer_1(Config) when is_list(Config) ->
Ref1 = erlang:start_timer(1000, self(), plopp),
- ok = get(1100, {timeout, Ref1, plopp}),
+ ok = get(1400, {timeout, Ref1, plopp}),
false = erlang:read_timer(Ref1),
false = erlang:cancel_timer(Ref1),
@@ -83,12 +83,12 @@ start_timer_1(Config) when is_list(Config) ->
Ref2 = erlang:start_timer(1000, self(), plapp),
Left2 = erlang:cancel_timer(Ref2),
UpperLimit = 1000,
- true = (Left2 > 900) and (Left2 =< UpperLimit),
+ true = (Left2 > 600) and (Left2 =< UpperLimit),
empty = get_msg(),
false = erlang:cancel_timer(Ref2),
Ref3 = erlang:start_timer(1000, self(), plopp),
- no_message = get(900, {timeout, Ref3, plopp}),
+ no_message = get(600, {timeout, Ref3, plopp}),
ok.
%% Basic send_after/3 functionality
diff --git a/erts/emulator/test/z_SUITE.erl b/erts/emulator/test/z_SUITE.erl
index d1085c1958..ab56018373 100644
--- a/erts/emulator/test/z_SUITE.erl
+++ b/erts/emulator/test/z_SUITE.erl
@@ -191,7 +191,13 @@ node_container_refc_check(Config) when is_list(Config) ->
ok.
long_timers(Config) when is_list(Config) ->
- ok = long_timers_test:check_result().
+ case long_timers_test:check_result() of
+ ok -> ok;
+ high_cpu -> {comment, "Ignored failures due to high CPU utilization"};
+ missing_cpu_info -> {comment, "Ignored failures due to missing CPU utilization information"};
+ Fail -> ct:fail(Fail)
+ end.
+
pollset_size(Config) when is_list(Config) ->
Name = pollset_size_testcase_initial_state_holder,
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-15 11:59:41 +0000