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-rw-r--r--erts/emulator/test/estone_SUITE.erl20
1 files changed, 12 insertions, 8 deletions
diff --git a/erts/emulator/test/estone_SUITE.erl b/erts/emulator/test/estone_SUITE.erl
index 9fe161cffc..67a53d94b1 100644
--- a/erts/emulator/test/estone_SUITE.erl
+++ b/erts/emulator/test/estone_SUITE.erl
@@ -368,9 +368,9 @@ run_micro(Top, M, DataDir) ->
apply_micro(M) ->
{GC0, Words0, _} = statistics(garbage_collection),
statistics(reductions),
- Before = erlang:monotonic_time(),
+ Before = monotonic_time(),
Compensate = apply_micro(M#micro.function, M#micro.loops),
- After = erlang:monotonic_time(),
+ After = monotonic_time(),
{GC1, Words1, _} = statistics(garbage_collection),
{_, Reds} = statistics(reductions),
Elapsed = subtr(Before, After),
@@ -387,9 +387,13 @@ apply_micro(M) ->
{kilo_reductions, Reds div 1000},
{gc_intensity, gci(Elapsed, GC1 - GC0, Words1 - Words0)}].
+monotonic_time() ->
+ try erlang:monotonic_time() catch error:undef -> erlang:now() end.
-subtr(Before, After) ->
- erlang:convert_time_unit(After-Before, native, micro_seconds).
+subtr(Before, After) when is_integer(Before), is_integer(After) ->
+ erlang:convert_time_unit(After-Before, native, micro_seconds);
+subtr({_,_,_}=Before, {_,_,_}=After) ->
+ timer:now_diff(After, Before).
gci(Micros, Words, Gcs) ->
((256 * Gcs) / Micros) + (Words / Micros).
@@ -628,10 +632,10 @@ tup_trav(T, P, End) ->
%% Port I/O
port_io(I) ->
EstoneCat = get(estone_cat),
- Before = erlang:monotonic_time(),
+ Before = monotonic_time(),
Pps = make_port_pids(5, I, EstoneCat), %% 5 ports
send_procs(Pps, go),
- After = erlang:monotonic_time(),
+ After = monotonic_time(),
wait_for_pids(Pps),
subtr(Before, After).
@@ -849,10 +853,10 @@ handle_call(_From, State, [abc]) ->
%% Binary handling, creating, manipulating and sending binaries
binary_h(I) ->
- Before = erlang:monotonic_time(),
+ Before = monotonic_time(),
P = spawn(?MODULE, echo, [self()]),
B = list_to_binary(lists:duplicate(2000, 5)),
- After = erlang:monotonic_time(),
+ After = monotonic_time(),
Compensate = subtr(Before, After),
binary_h_2(I, P, B),
Compensate.