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-rw-r--r--lib/kernel/test/application_SUITE.erl5
-rw-r--r--lib/kernel/test/erl_distribution_SUITE.erl48
-rw-r--r--lib/kernel/test/erl_distribution_wb_SUITE.erl15
-rw-r--r--lib/kernel/test/file_SUITE.erl15
-rw-r--r--lib/kernel/test/gen_tcp_misc_SUITE.erl17
-rw-r--r--lib/kernel/test/interactive_shell_SUITE.erl3
-rw-r--r--lib/kernel/test/rpc_SUITE.erl41
7 files changed, 55 insertions, 89 deletions
diff --git a/lib/kernel/test/application_SUITE.erl b/lib/kernel/test/application_SUITE.erl
index 4901206c8e..59efe85480 100644
--- a/lib/kernel/test/application_SUITE.erl
+++ b/lib/kernel/test/application_SUITE.erl
@@ -2699,10 +2699,7 @@ node_names(Names, Config) ->
node_name(Name, Config) ->
U = "_",
- {{Y,M,D}, {H,Min,S}} = calendar:now_to_local_time(now()),
- Date = io_lib:format("~4w_~2..0w_~2..0w__~2..0w_~2..0w_~2..0w",
- [Y,M,D, H,Min,S]),
- L = lists:flatten(Date),
+ L = integer_to_list(erlang:unique_integer([positive])),
lists:concat([Name,U,?testcase,U,U,L]).
stop_node_nice(Node) when is_atom(Node) ->
diff --git a/lib/kernel/test/erl_distribution_SUITE.erl b/lib/kernel/test/erl_distribution_SUITE.erl
index 15c2adc957..76564d4b0e 100644
--- a/lib/kernel/test/erl_distribution_SUITE.erl
+++ b/lib/kernel/test/erl_distribution_SUITE.erl
@@ -235,11 +235,10 @@ do_test_setuptime(Setuptime) when is_list(Setuptime) ->
Res.
time_ping(Node) ->
- T0 = erlang:now(),
+ T0 = erlang:monotonic_time(),
pang = net_adm:ping(Node),
- T1 = erlang:now(),
- time_diff(T0,T1).
-
+ T1 = erlang:monotonic_time(),
+ erlang:convert_time_unit(T1 - T0, native, milli_seconds).
%% Keep the connection with the client node up.
%% This is neccessary as the client node runs with much shorter
@@ -276,13 +275,15 @@ tick_cli_test1(Node) ->
erlang:monitor_node(Node, true),
sleep(2),
rpc:call(Node, erlang, time, []), %% simulate action on the connection
- T1 = now(),
+ T1 = erlang:monotonic_time(),
receive
{nodedown, Node} ->
- T2 = now(),
+ T2 = erlang:monotonic_time(),
receive
{whats_the_result, From} ->
- case time_diff(T1, T2) of
+ Diff = erlang:convert_time_unit(T2-T1, native,
+ milli_seconds),
+ case Diff of
T when T > 8000, T < 16000 ->
From ! {tick_test, T};
T ->
@@ -1208,19 +1209,6 @@ print_my_messages() ->
?line ?t:format("Messages: ~p~n", [Messages]),
?line ok.
-%% Time difference in milliseconds !!
-time_diff({TimeM, TimeS, TimeU}, {CurM, CurS, CurU}) when CurM > TimeM ->
- ((CurM - TimeM) * 1000000000) + sec_diff({TimeS, TimeU}, {CurS, CurU});
-time_diff({_, TimeS, TimeU}, {_, CurS, CurU}) ->
- sec_diff({TimeS, TimeU}, {CurS, CurU}).
-
-sec_diff({TimeS, TimeU}, {CurS, CurU}) when CurS > TimeS ->
- ((CurS - TimeS) * 1000) + micro_diff(TimeU, CurU);
-sec_diff({_, TimeU}, {_, CurU}) ->
- micro_diff(TimeU, CurU).
-
-micro_diff(TimeU, CurU) ->
- trunc(CurU/1000) - trunc(TimeU/1000).
sleep(T) -> receive after T * 1000 -> ok end.
@@ -1267,16 +1255,12 @@ get_nodenames(N, T) ->
get_nodenames(0, _, Acc) ->
Acc;
get_nodenames(N, T, Acc) ->
- {A, B, C} = now(),
+ U = erlang:unique_integer([positive]),
get_nodenames(N-1, T, [list_to_atom(atom_to_list(T)
++ "-"
- ++ atom_to_list(?MODULE)
- ++ "-"
- ++ integer_to_list(A)
+ ++ ?MODULE_STRING
++ "-"
- ++ integer_to_list(B)
- ++ "-"
- ++ integer_to_list(C)) | Acc]).
+ ++ integer_to_list(U)) | Acc]).
get_numbered_nodenames(N, T) ->
get_numbered_nodenames(N, T, []).
@@ -1284,16 +1268,12 @@ get_numbered_nodenames(N, T) ->
get_numbered_nodenames(0, _, Acc) ->
Acc;
get_numbered_nodenames(N, T, Acc) ->
- {A, B, C} = now(),
+ U = erlang:unique_integer([positive]),
NL = [list_to_atom(atom_to_list(T) ++ integer_to_list(N)
++ "-"
- ++ atom_to_list(?MODULE)
- ++ "-"
- ++ integer_to_list(A)
- ++ "-"
- ++ integer_to_list(B)
+ ++ ?MODULE_STRING
++ "-"
- ++ integer_to_list(C)) | Acc],
+ ++ integer_to_list(U)) | Acc],
get_numbered_nodenames(N-1, T, NL).
wait_until(Fun) ->
diff --git a/lib/kernel/test/erl_distribution_wb_SUITE.erl b/lib/kernel/test/erl_distribution_wb_SUITE.erl
index 3b8b2d9150..8e2bbf5b64 100644
--- a/lib/kernel/test/erl_distribution_wb_SUITE.erl
+++ b/lib/kernel/test/erl_distribution_wb_SUITE.erl
@@ -451,11 +451,8 @@ close_pair({Client, Server}) ->
%% MD5 hashing
%%
-%% This is no proper random number, but that is not really important in
-%% this test
gen_challenge() ->
- {_,_,N} = erlang:now(),
- N.
+ rand:uniform(1000000).
%% Generate a message digest from Challenge number and Cookie
gen_digest(Challenge, Cookie) when is_integer(Challenge), is_atom(Cookie) ->
@@ -712,13 +709,9 @@ get_nodenames(N, T) ->
get_nodenames(0, _, Acc) ->
Acc;
get_nodenames(N, T, Acc) ->
- {A, B, C} = now(),
- get_nodenames(N-1, T, [list_to_atom(atom_to_list(?MODULE)
+ U = erlang:unique_integer([positive]),
+ get_nodenames(N-1, T, [list_to_atom(?MODULE_STRING
++ "-"
++ atom_to_list(T)
++ "-"
- ++ integer_to_list(A)
- ++ "-"
- ++ integer_to_list(B)
- ++ "-"
- ++ integer_to_list(C)) | Acc]).
+ ++ integer_to_list(U)) | Acc]).
diff --git a/lib/kernel/test/file_SUITE.erl b/lib/kernel/test/file_SUITE.erl
index 1213d8e37e..48abc92e4c 100644
--- a/lib/kernel/test/file_SUITE.erl
+++ b/lib/kernel/test/file_SUITE.erl
@@ -3914,7 +3914,7 @@ response_analysis(Module, Function, Arguments) ->
receive {Parent, start, Ts} -> ok end,
Stat =
iterate(response_stat(response_stat(init, Ts),
- erlang:now()),
+ micro_ts()),
done,
fun (S) ->
erlang:yield(),
@@ -3922,12 +3922,12 @@ response_analysis(Module, Function, Arguments) ->
{Parent, stop} ->
done
after 0 ->
- response_stat(S, erlang:now())
+ response_stat(S, micro_ts())
end
end),
- Parent ! {self(), stopped, response_stat(Stat, erlang:now())}
+ Parent ! {self(), stopped, response_stat(Stat, micro_ts())}
end),
- ?line Child ! {Parent, start, erlang:now()},
+ Child ! {Parent, start, micro_ts()},
?line Result = apply(Module, Function, Arguments),
?line Child ! {Parent, stop},
?line {N, Sum, _, M, Max} = receive {Child, stopped, X} -> X end,
@@ -3941,12 +3941,13 @@ response_analysis(Module, Function, Arguments) ->
[Mean_ms, Max_ms, M, (N-1)])),
?line {Result, Comment}.
-
+micro_ts() ->
+ erlang:monotonic_time(micro_seconds).
response_stat(init, Ts) ->
{0, 0, Ts, 0, 0};
-response_stat({N, Sum, {A1, B1, C1}, M, Max}, {A2, B2, C2} = Ts) ->
- D = C2-C1 + 1000000*((B2-B1) + 1000000*(A2-A1)),
+response_stat({N, Sum, Ts0, M, Max}, Ts) ->
+ D = Ts - Ts0,
if D > Max ->
{N+1, Sum+D, Ts, N, D};
true ->
diff --git a/lib/kernel/test/gen_tcp_misc_SUITE.erl b/lib/kernel/test/gen_tcp_misc_SUITE.erl
index ba4acad2e7..4f0d7a7d50 100644
--- a/lib/kernel/test/gen_tcp_misc_SUITE.erl
+++ b/lib/kernel/test/gen_tcp_misc_SUITE.erl
@@ -1641,8 +1641,7 @@ so_priority(Config) when is_list(Config) ->
%% Accept test utilities (suites are below)
millis() ->
- {A,B,C}=erlang:now(),
- (A*1000000*1000)+(B*1000)+(C div 1000).
+ erlang:monotonic_time(milli_seconds).
collect_accepts(0,_) -> [];
collect_accepts(N,Tmo) ->
@@ -2103,8 +2102,8 @@ send_timeout(Config) when is_list(Config) ->
ok.
mad_sender(S) ->
- {_, _, USec} = now(),
- case gen_tcp:send(S, integer_to_list(USec)) of
+ U = rand:uniform(1000000),
+ case gen_tcp:send(S, integer_to_list(U)) of
ok ->
mad_sender(S);
Err ->
@@ -2172,10 +2171,10 @@ get_max_diff() ->
end.
get_max_diff(Max) ->
- T1 = millistamp(),
+ T1 = millis(),
receive
ok ->
- Diff = millistamp() - T1,
+ Diff = millis() - T1,
if
Diff > Max ->
get_max_diff(Diff);
@@ -2183,7 +2182,7 @@ get_max_diff(Max) ->
get_max_diff(Max)
end;
{error,timeout} ->
- Diff = millistamp() - T1,
+ Diff = millis() - T1,
if
Diff > Max ->
Diff;
@@ -2324,10 +2323,6 @@ setup_active_timeout_sink(Timeout, AutoClose) ->
{Loop,A,R,C}.
-millistamp() ->
- {Mega, Secs, Micros} = erlang:now(),
- (Micros div 1000) + Secs * 1000 + Mega * 1000000000.
-
has_superfluous_schedulers() ->
case {erlang:system_info(schedulers),
erlang:system_info(logical_processors)} of
diff --git a/lib/kernel/test/interactive_shell_SUITE.erl b/lib/kernel/test/interactive_shell_SUITE.erl
index 3fb7c68886..89c574b025 100644
--- a/lib/kernel/test/interactive_shell_SUITE.erl
+++ b/lib/kernel/test/interactive_shell_SUITE.erl
@@ -718,8 +718,7 @@ toerl_loop(Port,Acc) ->
end.
millistamp() ->
- {Mega, Secs, Micros} = erlang:now(),
- (Micros div 1000) + Secs * 1000 + Mega * 1000000000.
+ erlang:monotonic_time(milli_seconds).
get_data_within(Port, X, Acc) when X =< 0 ->
?dbg({get_data_within, X, Acc, ?LINE}),
diff --git a/lib/kernel/test/rpc_SUITE.erl b/lib/kernel/test/rpc_SUITE.erl
index 7adef49014..867b448b36 100644
--- a/lib/kernel/test/rpc_SUITE.erl
+++ b/lib/kernel/test/rpc_SUITE.erl
@@ -456,32 +456,33 @@ called_throws(Config) when is_list(Config) ->
call_benchmark(Config) when is_list(Config) ->
Timetrap = ?t:timetrap(?t:seconds(120)),
- ?line PA = filename:dirname(code:which(?MODULE)),
- ?line {ok, Node} = ?t:start_node(rpc_SUITE_call_benchmark, slave,
- [{args, "-pa " ++ PA}]),
+ PA = filename:dirname(code:which(?MODULE)),
+ {ok, Node} = ?t:start_node(rpc_SUITE_call_benchmark, slave,
+ [{args, "-pa " ++ PA}]),
Iter = case erlang:system_info(modified_timing_level) of
undefined -> 10000;
- _ -> 500 %Moified timing - spawn is slower
+ _ -> 500 %Modified timing - spawn is slower
end,
- ?line do_call_benchmark(Node, Iter),
+ Res = do_call_benchmark(Node, Iter),
+ ?t:stop_node(Node),
?t:timetrap_cancel(Timetrap),
- ok.
+ Res.
do_call_benchmark(Node, M) when is_integer(M), M > 0 ->
- do_call_benchmark(Node, erlang:now(), 0, M).
-
-do_call_benchmark(Node, {A,B,C}, M, M) ->
- ?line {D,E,F} = erlang:now(),
- ?line T = float(D-A)*1000000.0 + float(E-B) + float(F-C)*0.000001,
- ?line Q = 3.0 * float(M) / T,
- ?line ?t:stop_node(Node),
- {comment,
- lists:flatten([float_to_list(Q)," RPC calls per second"])};
-do_call_benchmark(Node, Then, I, M) ->
- ?line Node = rpc:call(Node, erlang, node, []),
- ?line _ = rpc:call(Node, erlang, whereis, [rex]),
- ?line 3 = rpc:call(Node, erlang, '+', [1,2]),
- ?line do_call_benchmark(Node, Then, I+1, M).
+ {Micros,ok} = timer:tc(fun() ->
+ do_call_benchmark(Node, 0, M)
+ end),
+ Calls = 3*M,
+ S = io_lib:format("~p RPC calls/second", [Calls*1000000 div Micros]),
+ {comment,lists:flatten(S)}.
+
+do_call_benchmark(_Node, M, M) ->
+ ok;
+do_call_benchmark(Node, I, M) ->
+ Node = rpc:call(Node, erlang, node, []),
+ _ = rpc:call(Node, erlang, whereis, [rex]),
+ 3 = rpc:call(Node, erlang, '+', [1,2]),
+ do_call_benchmark(Node, I+1, M).
async_call(Config) when is_list(Config) ->
Dog = ?t:timetrap(?t:seconds(120)),
generated by cgit v1.2.3 (git 2.25.1) at 2024-06-26 02:08:51 +0000