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authorRickard Green <[email protected]>2015-03-29 01:29:23 +0100
committerRickard Green <[email protected]>2015-05-06 15:58:32 +0200
commitf0d51083a6cda851ed60578a7679e20b1fe5678a (patch)
tree5a226fc49118adf9b42f4594c843082d9328a03f /erts/emulator/test/driver_SUITE.erl
parente135070d4c7135228756e6a43dbdd638b565a499 (diff)
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Replace erlang:now() usage in emulator suite
Diffstat (limited to 'erts/emulator/test/driver_SUITE.erl')
-rw-r--r--erts/emulator/test/driver_SUITE.erl37
1 files changed, 16 insertions, 21 deletions
diff --git a/erts/emulator/test/driver_SUITE.erl b/erts/emulator/test/driver_SUITE.erl
index 623d62f876..e6beda1ccf 100644
--- a/erts/emulator/test/driver_SUITE.erl
+++ b/erts/emulator/test/driver_SUITE.erl
@@ -390,12 +390,12 @@ timer_measure(Config) when is_list(Config) ->
try_timeouts(_, 0) -> ok;
try_timeouts(Port, Timeout) ->
- ?line TimeBefore = now(),
+ ?line TimeBefore = erlang:monotonic_time(),
?line erlang:port_command(Port, <<?START_TIMER,Timeout:32>>),
receive
{Port,{data,[?TIMER]}} ->
?line Elapsed = erl_millisecs() - erl_millisecs(TimeBefore),
- io:format("Elapsed: ~p Timeout: ~p\n", [Elapsed,Timeout]),
+ io:format("Elapsed: ~p Timeout: ~p\n", [Elapsed, Timeout]),
if
Elapsed < Timeout ->
?line ?t:fail(too_short);
@@ -455,7 +455,7 @@ timer_delay(Config) when is_list(Config) ->
Name = 'timer_drv',
?line Port = start_driver(Config, Name, false),
- ?line TimeBefore = now(),
+ ?line TimeBefore = erlang:monotonic_time(),
Timeout0 = 350,
?line erlang:port_command(Port, <<?DELAY_START_TIMER,Timeout0:32>>),
Timeout = Timeout0 +
@@ -499,7 +499,7 @@ timer_change(Config) when is_list(Config) ->
try_change_timer(_Port, 0) -> ok;
try_change_timer(Port, Timeout) ->
?line Timeout_3 = Timeout*3,
- ?line TimeBefore = now(),
+ ?line TimeBefore = erlang:monotonic_time(),
?line erlang:port_command(Port, <<?START_TIMER,Timeout_3:32>>),
?line erlang:port_command(Port, <<?START_TIMER,Timeout:32>>),
receive
@@ -2520,13 +2520,11 @@ uniform(N) ->
end,
random:uniform(N).
-%% return millisecs from statistics source
erl_millisecs() ->
- {Ms, S, Us} = erlang:now(),
- Ms * 1000000000 + S * 1000 + Us / 1000.
+ erl_millisecs(erlang:monotonic_time()).
-erl_millisecs({Ms,S,Us}) ->
- Ms * 1000000000 + S * 1000 + Us / 1000.
+erl_millisecs(MonotonicTime) ->
+ (1000*MonotonicTime)/erlang:convert_time_unit(1,seconds,native).
%% Start/stop drivers.
start_driver(Config, Name, Binary) ->
@@ -2575,18 +2573,15 @@ sleep(Ms) when is_integer(Ms), Ms >= 0 ->
start_node(Config) when is_list(Config) ->
- ?line Pa = filename:dirname(code:which(?MODULE)),
- ?line {A, B, C} = now(),
- ?line Name = list_to_atom(atom_to_list(?MODULE)
- ++ "-"
- ++ atom_to_list(?config(testcase, Config))
- ++ "-"
- ++ integer_to_list(A)
- ++ "-"
- ++ integer_to_list(B)
- ++ "-"
- ++ integer_to_list(C)),
- ?line ?t:start_node(Name, slave, [{args, "-pa "++Pa}]).
+ Pa = filename:dirname(code:which(?MODULE)),
+ Name = list_to_atom(atom_to_list(?MODULE)
+ ++ "-"
+ ++ atom_to_list(?config(testcase, Config))
+ ++ "-"
+ ++ integer_to_list(erlang:system_time(seconds))
+ ++ "-"
+ ++ integer_to_list(erlang:unique_integer([positive]))),
+ ?t:start_node(Name, slave, [{args, "-pa "++Pa}]).
stop_node(Node) ->
?t:stop_node(Node).