diff options
Diffstat (limited to 'erts/emulator/test/z_SUITE.erl')
| -rw-r--r-- | erts/emulator/test/z_SUITE.erl | 55 |
1 files changed, 42 insertions, 13 deletions
diff --git a/erts/emulator/test/z_SUITE.erl b/erts/emulator/test/z_SUITE.erl index ab56018373..feea7432a9 100644 --- a/erts/emulator/test/z_SUITE.erl +++ b/erts/emulator/test/z_SUITE.erl @@ -1,7 +1,7 @@ %% %% %CopyrightBegin% %% -%% Copyright Ericsson AB 2006-2016. All Rights Reserved. +%% Copyright Ericsson AB 2006-2017. All Rights Reserved. %% %% Licensed under the Apache License, Version 2.0 (the "License"); %% you may not use this file except in compliance with the License. @@ -36,7 +36,8 @@ -export([schedulers_alive/1, node_container_refc_check/1, long_timers/1, pollset_size/1, - check_io_debug/1, get_check_io_info/0]). + check_io_debug/1, get_check_io_info/0, + leaked_processes/1]). suite() -> [{ct_hooks,[ts_install_cth]}, @@ -44,7 +45,10 @@ suite() -> all() -> [schedulers_alive, node_container_refc_check, - long_timers, pollset_size, check_io_debug]. + long_timers, pollset_size, check_io_debug, + %% Make sure that the leaked_processes/1 is always + %% run last. + leaked_processes]. %%% %%% The test cases ------------------------------------------------------------- @@ -68,8 +72,8 @@ schedulers_alive(Config) when is_list(Config) -> enabled -> io:format("Testing blocking process exit~n"), BF = fun () -> - blocked = erlang:system_flag(multi_scheduling, - block), + blocked_normal = erlang:system_flag(multi_scheduling, + block_normal), Master ! {self(), blocking}, receive after infinity -> ok end end, @@ -77,21 +81,21 @@ schedulers_alive(Config) when is_list(Config) -> Mon = erlang:monitor(process, Blocker), receive {Blocker, blocking} -> ok end, [Blocker] - = erlang:system_info(multi_scheduling_blockers), + = erlang:system_info(normal_multi_scheduling_blockers), unlink(Blocker), exit(Blocker, kill), receive {'DOWN', Mon, _, _, _} -> ok end, enabled = erlang:system_info(multi_scheduling), - [] = erlang:system_info(multi_scheduling_blockers), + [] = erlang:system_info(normal_multi_scheduling_blockers), ok end, io:format("Testing blocked~n"), - erlang:system_flag(multi_scheduling, block), + erlang:system_flag(multi_scheduling, block_normal), case erlang:system_info(multi_scheduling) of enabled -> ct:fail(multi_scheduling_enabled); - blocked -> - [Master] = erlang:system_info(multi_scheduling_blockers); + blocked_normal -> + [Master] = erlang:system_info(normal_multi_scheduling_blockers); disabled -> ok end, Ps = lists:map( @@ -109,8 +113,8 @@ schedulers_alive(Config) when is_list(Config) -> unlink(P), exit(P, bang) end, Ps), - case erlang:system_flag(multi_scheduling, unblock) of - blocked -> ct:fail(multi_scheduling_blocked); + case erlang:system_flag(multi_scheduling, unblock_normal) of + blocked_normal -> ct:fail(multi_scheduling_blocked); disabled -> ok; enabled -> ok end, @@ -226,7 +230,7 @@ pollset_size(Config) when is_list(Config) -> "Pollset size information not available"} end; false -> - %% Somtimes we have fewer descriptors in the + %% Sometimes we have fewer descriptors in the %% pollset at the end than when we started, but %% that is ok as long as there are at least 2 %% descriptors (dist listen socket and @@ -285,6 +289,31 @@ has_gethost([P|T]) -> has_gethost([]) -> false. +leaked_processes(Config) when is_list(Config) -> + %% Replace the defualt timetrap with a timetrap with + %% known pid. + test_server:timetrap_cancel(), + Dog = test_server:timetrap(test_server:minutes(5)), + + Name = leaked_processes__process_holder, + Name ! {get_initial_processes, self()}, + receive + {initial_processes, Initial0} -> ok + end, + Initial = ordsets:from_list(Initial0), + + KnownPids = ordsets:from_list([self(),Dog]), + Now0 = ordsets:from_list(processes()), + Now = ordsets:subtract(Now0, KnownPids), + Leaked = ordsets:subtract(Now, Initial), + + _ = [begin + Info = process_info(P) ++ process_info(P, [current_stacktrace]), + io:format("~p: ~p\n", [P,Info]) + end || P <- Leaked], + Comment = lists:flatten(io_lib:format("~p process(es)", + [length(Leaked)])), + {comment, Comment}. %% %% Internal functions... |