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authorSverker Eriksson <[email protected]>2013-04-18 19:47:04 +0200
committerSverker Eriksson <[email protected]>2013-04-19 14:34:02 +0200
commit2949d02eb13ee0c33ef376c4bc1ecb39fb4a3342 (patch)
tree239445da4245449e77d43ce65d3abb9ea036fc41 /lib/stdlib/test
parent05f11890bdfec4bfc3a78e191a87e70a937ffc54 (diff)
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stdlib: Make memcheck in ets_SUITE less sensitive
Diffstat (limited to 'lib/stdlib/test')
-rw-r--r--lib/stdlib/test/ets_SUITE.erl68
1 files changed, 53 insertions, 15 deletions
diff --git a/lib/stdlib/test/ets_SUITE.erl b/lib/stdlib/test/ets_SUITE.erl
index b6c94a6f6d..8c7d3fe55b 100644
--- a/lib/stdlib/test/ets_SUITE.erl
+++ b/lib/stdlib/test/ets_SUITE.erl
@@ -75,6 +75,7 @@
-export([otp_9932/1]).
-export([otp_9423/1]).
-export([otp_10182/1]).
+-export([memory_check_summary/1]).
-export([init_per_testcase/2, end_per_testcase/2]).
%% Convenience for manual testing
@@ -149,7 +150,9 @@ all() ->
give_away, setopts, bad_table, types,
otp_10182,
otp_9932,
- otp_9423].
+ otp_9423,
+
+ memory_check_summary]. % MUST BE LAST
groups() ->
[{new, [],
@@ -185,7 +188,8 @@ init_per_suite(Config) ->
end_per_suite(_Config) ->
stop_spawn_logger(),
- catch erts_debug:set_internal_state(available_internal_state, false).
+ catch erts_debug:set_internal_state(available_internal_state, false),
+ ok.
init_per_group(_GroupName, Config) ->
Config.
@@ -193,6 +197,26 @@ init_per_group(_GroupName, Config) ->
end_per_group(_GroupName, Config) ->
Config.
+%% Test that we did not have "too many" failed verify_etsmem()'s
+%% in the test suite.
+%% verify_etsmem() may give a low number of false positives
+%% as concurrent activities, such as lingering processes
+%% from earlier test suites, may do unrelated ets (de)allocations.
+memory_check_summary(_Config) ->
+ case whereis(ets_test_spawn_logger) of
+ undefined ->
+ ?t:fail("No spawn logger exist");
+ _ ->
+ ets_test_spawn_logger ! {self(), get_failed_memchecks},
+ receive {get_failed_memchecks, FailedMemchecks} -> ok end,
+ io:format("Failed memchecks: ~p\n",[FailedMemchecks]),
+ if FailedMemchecks > 3 ->
+ ct:fail("Too many failed (~p) memchecks", [FailedMemchecks]);
+ true ->
+ ok
+ end
+ end.
+
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
@@ -5632,7 +5656,8 @@ verify_etsmem({MemInfo,AllTabs}) ->
io:format("Actual: ~p", [MemInfo2]),
io:format("Changed tables before: ~p\n",[AllTabs -- AllTabs2]),
io:format("Changed tables after: ~p\n", [AllTabs2 -- AllTabs]),
- ?t:fail()
+ ets_test_spawn_logger ! failed_memcheck,
+ {comment, "Failed memory check"}
end.
@@ -5654,10 +5679,10 @@ stop_loopers(Loopers) ->
looper(Fun, State) ->
looper(Fun, Fun(State)).
-spawn_logger(Procs) ->
+spawn_logger(Procs, FailedMemchecks) ->
receive
{new_test_proc, Proc} ->
- spawn_logger([Proc|Procs]);
+ spawn_logger([Proc|Procs], FailedMemchecks);
{sync_test_procs, Kill, From} ->
lists:foreach(fun (Proc) when From == Proc ->
ok;
@@ -5680,7 +5705,14 @@ spawn_logger(Procs) ->
end
end, Procs),
From ! test_procs_synced,
- spawn_logger([From])
+ spawn_logger([From], FailedMemchecks);
+
+ failed_memcheck ->
+ spawn_logger(Procs, FailedMemchecks+1);
+
+ {Pid, get_failed_memchecks} ->
+ Pid ! {get_failed_memchecks, FailedMemchecks},
+ spawn_logger(Procs, FailedMemchecks)
end.
pid_status(Pid) ->
@@ -5696,7 +5728,7 @@ start_spawn_logger() ->
case whereis(ets_test_spawn_logger) of
Pid when is_pid(Pid) -> true;
_ -> register(ets_test_spawn_logger,
- spawn_opt(fun () -> spawn_logger([]) end,
+ spawn_opt(fun () -> spawn_logger([], 0) end,
[{priority, max}]))
end.
@@ -5707,8 +5739,7 @@ start_spawn_logger() ->
stop_spawn_logger() ->
Mon = erlang:monitor(process, ets_test_spawn_logger),
(catch exit(whereis(ets_test_spawn_logger), kill)),
- receive {'DOWN', Mon, _, _, _} -> ok end,
- ok.
+ receive {'DOWN', Mon, _, _, _} -> ok end.
wait_for_test_procs() ->
wait_for_test_procs(false).
@@ -5808,7 +5839,7 @@ spawn_monitor_with_pid(Pid, Fun, N) ->
end) of
Pid ->
{Pid, erlang:monitor(process, Pid)};
- Other ->
+ _Other ->
spawn_monitor_with_pid(Pid,Fun,N-1)
end.
@@ -6114,11 +6145,18 @@ repeat_for_opts(F, OptGenList) ->
repeat_for_opts(F, OptGenList, []).
repeat_for_opts(F, [], Acc) ->
- lists:map(fun(Opts) ->
- OptList = lists:filter(fun(E) -> E =/= void end, Opts),
- io:format("Calling with options ~p\n",[OptList]),
- F(OptList)
- end, Acc);
+ lists:foldl(fun(Opts, RV_Acc) ->
+ OptList = lists:filter(fun(E) -> E =/= void end, Opts),
+ io:format("Calling with options ~p\n",[OptList]),
+ RV = F(OptList),
+ case RV_Acc of
+ {comment,_} -> RV_Acc;
+ _ -> case RV of
+ {comment,_} -> RV;
+ _ -> [RV | RV_Acc]
+ end
+ end
+ end, [], Acc);
repeat_for_opts(F, [OptList | Tail], []) when is_list(OptList) ->
repeat_for_opts(F, Tail, [[Opt] || Opt <- OptList]);
repeat_for_opts(F, [OptList | Tail], AccList) when is_list(OptList) ->