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Diffstat (limited to 'erts/emulator/test/driver_SUITE.erl')
-rw-r--r--erts/emulator/test/driver_SUITE.erl62
1 files changed, 41 insertions, 21 deletions
diff --git a/erts/emulator/test/driver_SUITE.erl b/erts/emulator/test/driver_SUITE.erl
index 336b6188f6..8d2c620be0 100644
--- a/erts/emulator/test/driver_SUITE.erl
+++ b/erts/emulator/test/driver_SUITE.erl
@@ -31,8 +31,9 @@
end_per_suite/1, init_per_group/2,end_per_group/2,
init_per_testcase/2,
end_per_testcase/2,
+
+ a_test/1,
outputv_echo/1,
-
timer_measure/1,
timer_cancel/1,
timer_change/1,
@@ -79,7 +80,8 @@
thr_free_drv/1,
async_blast/1,
thr_msg_blast/1,
- consume_timeslice/1]).
+ consume_timeslice/1,
+ z_test/1]).
-export([bin_prefix/2]).
@@ -122,19 +124,19 @@ init_per_testcase(Case, Config) when is_atom(Case), is_list(Config) ->
_ -> erts_debug:set_internal_state(available_internal_state, true)
end,
erlang:display({init_per_testcase, Case}),
- ?line 0 = erts_debug:get_internal_state(check_io_debug),
+ ?line 0 = element(1, erts_debug:get_internal_state(check_io_debug)),
[{watchdog, Dog},{testcase, Case}|Config].
end_per_testcase(Case, Config) ->
Dog = ?config(watchdog, Config),
erlang:display({end_per_testcase, Case}),
- ?line 0 = erts_debug:get_internal_state(check_io_debug),
+ ?line 0 = element(1, erts_debug:get_internal_state(check_io_debug)),
?t:timetrap_cancel(Dog).
suite() -> [{ct_hooks,[ts_install_cth]}].
-all() ->
- [outputv_errors, outputv_echo, queue_echo, {group, timer},
+all() -> %% Keep a_test first and z_test last...
+ [a_test, outputv_errors, outputv_echo, queue_echo, {group, timer},
driver_unloaded, io_ready_exit, use_fallback_pollset,
bad_fd_in_pollset, driver_event, fd_change,
steal_control, otp_6602, driver_system_info_base_ver,
@@ -151,7 +153,8 @@ all() ->
thr_free_drv,
async_blast,
thr_msg_blast,
- consume_timeslice].
+ consume_timeslice,
+ z_test].
groups() ->
[{timer, [],
@@ -917,8 +920,7 @@ steal_control_test(Hndl = {erts_poll_info, Before}) ->
end.
chkio_test_init(Config) when is_list(Config) ->
- ?line wait_until_no_pending_updates(),
- ?line ChkIo = erlang:system_info(check_io),
+ ?line ChkIo = get_stable_check_io_info(),
?line case catch lists:keysearch(name, 1, ChkIo) of
{value, {name, erts_poll}} ->
?line ?t:format("Before test: ~p~n", [ChkIo]),
@@ -937,8 +939,7 @@ chkio_test_fini({skipped, _} = Res) ->
chkio_test_fini({chkio_test_result, Res, Before}) ->
?line ok = erl_ddll:unload_driver('chkio_drv'),
?line ok = erl_ddll:stop(),
- ?line wait_until_no_pending_updates(),
- ?line After = erlang:system_info(check_io),
+ ?line After = get_stable_check_io_info(),
?line ?t:format("After test: ~p~n", [After]),
?line verify_chkio_state(Before, After),
?line Res.
@@ -985,7 +986,7 @@ chkio_test({erts_poll_info, Before},
?line Fun(),
?line During = erlang:system_info(check_io),
?line erlang:display(During),
- ?line 0 = erts_debug:get_internal_state(check_io_debug),
+ ?line 0 = element(1, erts_debug:get_internal_state(check_io_debug)),
?line ?t:format("During test: ~p~n", [During]),
?line chk_chkio_port(Port),
?line case erlang:port_control(Port, ?CHKIO_STOP, "") of
@@ -1034,18 +1035,22 @@ verify_chkio_state(Before, After) ->
After)
end,
?line ok.
-
-
-wait_until_no_pending_updates() ->
- case lists:keysearch(pending_updates, 1, erlang:system_info(check_io)) of
- {value, {pending_updates, 0}} ->
- ok;
- false ->
- ok;
+get_stable_check_io_info() ->
+ ChkIo = erlang:system_info(check_io),
+ PendUpdNo = case lists:keysearch(pending_updates, 1, ChkIo) of
+ {value, {pending_updates, PendNo}} ->
+ PendNo;
+ false ->
+ 0
+ end,
+ {value, {active_fds, ActFds}} = lists:keysearch(active_fds, 1, ChkIo),
+ case {PendUpdNo, ActFds} of
+ {0, 0} ->
+ ChkIo;
_ ->
receive after 10 -> ok end,
- wait_until_no_pending_updates()
+ get_stable_check_io_info()
end.
otp_6602(doc) -> ["Missed port lock when stealing control of fd from a "
@@ -2387,10 +2392,25 @@ count_proc_sched(Ps, PNs) ->
PNs
end.
+a_test(Config) when is_list(Config) ->
+ check_io_debug().
+
+z_test(Config) when is_list(Config) ->
+ check_io_debug().
+
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%% Utilities
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+check_io_debug() ->
+ get_stable_check_io_info(),
+ {NoErrorFds, NoUsedFds, NoDrvSelStructs, NoDrvEvStructs}
+ = erts_debug:get_internal_state(check_io_debug),
+ 0 = NoErrorFds,
+ NoUsedFds = NoDrvSelStructs,
+ 0 = NoDrvEvStructs,
+ ok.
+
%flush_msgs() ->
% receive
% M ->