diff options
Diffstat (limited to 'erts/emulator/test/z_SUITE.erl')
| -rw-r--r-- | erts/emulator/test/z_SUITE.erl | 33 |
1 files changed, 31 insertions, 2 deletions
diff --git a/erts/emulator/test/z_SUITE.erl b/erts/emulator/test/z_SUITE.erl index a2b267543f..feea7432a9 100644 --- a/erts/emulator/test/z_SUITE.erl +++ b/erts/emulator/test/z_SUITE.erl @@ -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 ------------------------------------------------------------- @@ -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... |