aboutsummaryrefslogtreecommitdiffstats
path: root/erts/emulator/test/driver_SUITE.erl
diff options
context:
space:
mode:
Diffstat (limited to 'erts/emulator/test/driver_SUITE.erl')
-rw-r--r--erts/emulator/test/driver_SUITE.erl36
1 files changed, 28 insertions, 8 deletions
diff --git a/erts/emulator/test/driver_SUITE.erl b/erts/emulator/test/driver_SUITE.erl
index 9ffb484eb4..bb0f3498ab 100644
--- a/erts/emulator/test/driver_SUITE.erl
+++ b/erts/emulator/test/driver_SUITE.erl
@@ -1069,14 +1069,19 @@ get_stable_check_io_info(N) ->
get_check_io_total(ChkIo) ->
ct:log("ChkIo = ~p~n",[ChkIo]),
{Fallback, Rest} = get_fallback(ChkIo),
+ OnlyPollThreads = [PS || PS <- Rest, not is_scheduler_pollset(PS)],
add_fallback_infos(Fallback,
- lists:foldl(fun(Pollset, Acc) ->
- lists:zipwith(fun(A, B) ->
- add_pollset_infos(A,B)
- end,
- Pollset, Acc)
- end,
- hd(Rest), tl(Rest))).
+ lists:foldl(
+ fun(Pollset, Acc) ->
+ lists:zipwith(fun(A, B) ->
+ add_pollset_infos(A,B)
+ end,
+ Pollset, Acc)
+ end,
+ hd(OnlyPollThreads), tl(OnlyPollThreads))).
+
+is_scheduler_pollset(Pollset) ->
+ proplists:get_value(poll_threads, Pollset) == 0.
add_pollset_infos({Tag, A}=TA , {Tag, B}=TB) ->
case tag_type(Tag) of
@@ -1754,7 +1759,7 @@ smp_select0(Config) ->
ProcFun = fun()-> io:format("Worker ~p starting\n",[self()]),
Port = open_port({spawn, DrvName}, []),
smp_select_loop(Port, 100000),
- sleep(1000), % wait for driver to handle pending events
+ smp_select_done(Port),
true = erlang:port_close(Port),
Master ! {ok,self()},
io:format("Worker ~p finished\n",[self()])
@@ -1784,6 +1789,21 @@ smp_select_loop(Port, N) ->
smp_select_loop(Port, N-1)
end.
+smp_select_done(Port) ->
+ case erlang:port_control(Port, ?CHKIO_SMP_SELECT, "done") of
+ "wait" ->
+ receive
+ {Port, done} ->
+ ok
+ after 10*1000 ->
+ %% Seems we have a lost ready_input event.
+ %% Go ahead anyway, port will crash VM when closed.
+ ok
+ end;
+
+ "ok" -> ok
+ end.
+
smp_select_wait([], _) ->
ok;
smp_select_wait(Pids, TimeoutMsg) ->