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-rw-r--r--erts/emulator/test/statistics_SUITE.erl69
1 files changed, 45 insertions, 24 deletions
diff --git a/erts/emulator/test/statistics_SUITE.erl b/erts/emulator/test/statistics_SUITE.erl
index a1b63716a9..821cb5d897 100644
--- a/erts/emulator/test/statistics_SUITE.erl
+++ b/erts/emulator/test/statistics_SUITE.erl
@@ -482,30 +482,51 @@ msacc(Config) ->
true = erlang:system_flag(microstate_accounting, false),
- %% Make sure that all states were triggered at least once
- maps:map(fun(nif, 0) ->
- case Niff of
- ok ->
- ct:fail({zero_state,nif});
- nok ->
- ok
- end;
- (aux, 0) ->
- %% aux will be zero if we do not have smp support
- %% or no async threads
- case erlang:system_info(smp_support) orelse
- erlang:system_info(thread_pool_size) > 0 of
- false ->
- ok;
- true ->
- ct:log("msacc: ~p",[erlang:statistics(microstate_accounting)]),
- ct:fail({zero_state,aux})
- end;
- (Key, 0) ->
- ct:log("msacc: ~p",[erlang:statistics(microstate_accounting)]),
- ct:fail({zero_state,Key});
- (_,_) -> ok
- end,msacc_sum_states()),
+ MsaccStats = erlang:statistics(microstate_accounting),
+
+ case os:type() of
+ {win32, _} ->
+ %% Some windows have a very poor accuracy on their
+ %% timing primitives, so we just make sure that
+ %% some state besides sleep has been triggered.
+ Sum = lists:sum(
+ lists:map(fun({sleep, _V}) -> 0;
+ ({_, V}) -> V
+ end, maps:to_list(msacc_sum_states()))
+ ),
+ if Sum > 0 ->
+ ok;
+ true ->
+ ct:fail({no_states_triggered, MsaccStats})
+ end;
+ _ ->
+
+ %% Make sure that all states were triggered at least once
+ maps:map(fun(nif, 0) ->
+ case Niff of
+ ok ->
+ ct:fail({zero_state,nif});
+ nok ->
+ ok
+ end;
+ (aux, 0) ->
+ %% aux will be zero if we do not have smp support
+ %% or no async threads
+ case erlang:system_info(smp_support) orelse
+ erlang:system_info(thread_pool_size) > 0
+ of
+ false ->
+ ok;
+ true ->
+ ct:log("msacc: ~p",[MsaccStats]),
+ ct:fail({zero_state,aux})
+ end;
+ (Key, 0) ->
+ ct:log("msacc: ~p",[MsaccStats]),
+ ct:fail({zero_state,Key});
+ (_,_) -> ok
+ end, msacc_sum_states())
+ end,
erlang:system_flag(microstate_accounting, reset),