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-rw-r--r--lib/kernel/test/erl_distribution_SUITE.erl28
1 files changed, 8 insertions, 20 deletions
diff --git a/lib/kernel/test/erl_distribution_SUITE.erl b/lib/kernel/test/erl_distribution_SUITE.erl
index 5cd6da8f52..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.