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-rw-r--r--erts/emulator/test/lcnt_SUITE.erl17
1 files changed, 14 insertions, 3 deletions
diff --git a/erts/emulator/test/lcnt_SUITE.erl b/erts/emulator/test/lcnt_SUITE.erl
index 4e52c2813c..dfffd662e2 100644
--- a/erts/emulator/test/lcnt_SUITE.erl
+++ b/erts/emulator/test/lcnt_SUITE.erl
@@ -87,8 +87,9 @@ wait_for_empty_lock_list() ->
wait_for_empty_lock_list(10).
wait_for_empty_lock_list(Tries) when Tries > 0 ->
try_flush_cleanup_ops(),
- case erts_debug:lcnt_collect() of
- [{duration, _}, {locks, []}] ->
+ [{duration, _}, {locks, Locks}] = erts_debug:lcnt_collect(),
+ case remove_untoggleable_locks(Locks) of
+ [] ->
ok;
_ ->
timer:sleep(50),
@@ -124,7 +125,7 @@ toggle_lock_counting(Config) when is_list(Config) ->
get_lock_info_for(Categories) when is_list(Categories) ->
ok = erts_debug:lcnt_control(mask, Categories),
[{duration, _}, {locks, Locks}] = erts_debug:lcnt_collect(),
- Locks;
+ remove_untoggleable_locks(Locks);
get_lock_info_for(Category) when is_atom(Category) ->
get_lock_info_for([Category]).
@@ -178,3 +179,13 @@ registered_db_tables(Config) when is_list(Config) ->
(_Lock) -> false
end, DbLocks),
ok.
+
+%% Not all locks can be toggled on or off due to technical limitations, so we
+%% need to filter them out when checking whether we successfully disabled lock
+%% counting.
+remove_untoggleable_locks([]) ->
+ [];
+remove_untoggleable_locks([{resource_monitors, _, _, _} | T]) ->
+ remove_untoggleable_locks(T);
+remove_untoggleable_locks([H | T]) ->
+ [H | remove_untoggleable_locks(T)].