aboutsummaryrefslogtreecommitdiffstats
path: root/lib/stdlib
diff options
context:
space:
mode:
Diffstat (limited to 'lib/stdlib')
-rw-r--r--lib/stdlib/doc/src/ets.xml3
-rw-r--r--lib/stdlib/test/ets_SUITE.erl38
2 files changed, 26 insertions, 15 deletions
diff --git a/lib/stdlib/doc/src/ets.xml b/lib/stdlib/doc/src/ets.xml
index 8c952708c5..f19f92be6f 100644
--- a/lib/stdlib/doc/src/ets.xml
+++ b/lib/stdlib/doc/src/ets.xml
@@ -513,6 +513,9 @@ Error: fun containing local Erlang function calls
the table has been fixed by the process.</p>
<p>If the table never has been fixed, the call returns
<c>false</c>.</p>
+ <item><c>Item=stats, Value=tuple()</c> <br></br>
+ Returns internal statistics about set, bag and duplicate_bag tables on an internal format used by OTP test suites.
+ Not for production use.</item>
</item>
</list>
</desc>
diff --git a/lib/stdlib/test/ets_SUITE.erl b/lib/stdlib/test/ets_SUITE.erl
index 3ac6da3d28..57df963ae2 100644
--- a/lib/stdlib/test/ets_SUITE.erl
+++ b/lib/stdlib/test/ets_SUITE.erl
@@ -819,6 +819,14 @@ t_delete_all_objects(Config) when is_list(Config) ->
repeat_for_opts(t_delete_all_objects_do),
?line verify_etsmem(EtsMem).
+get_kept_objects(T) ->
+ case ets:info(T,stats) of
+ false ->
+ 0;
+ {_,_,_,_,_,_,KO} ->
+ KO
+ end.
+
t_delete_all_objects_do(Opts) ->
?line T=ets_new(x,Opts),
?line filltabint(T,4000),
@@ -828,10 +836,10 @@ t_delete_all_objects_do(Opts) ->
?line true = ets:delete_all_objects(T),
?line '$end_of_table' = ets:next(T,O),
?line 0 = ets:info(T,size),
- ?line 4000 = ets:info(T,kept_objects),
+ ?line 4000 = get_kept_objects(T),
?line ets:safe_fixtable(T,false),
?line 0 = ets:info(T,size),
- ?line 0 = ets:info(T,kept_objects),
+ ?line 0 = get_kept_objects(T),
?line filltabint(T,4000),
?line 4000 = ets:info(T,size),
?line true = ets:delete_all_objects(T),
@@ -861,10 +869,10 @@ t_delete_object_do(Opts) ->
?line ets:delete_object(T,{First, integer_to_list(First)}),
?line Next = ets:next(T,First),
?line 3999 = ets:info(T,size),
- ?line 1 = ets:info(T,kept_objects),
+ ?line 1 = get_kept_objects(T),
?line ets:safe_fixtable(T,false),
?line 3999 = ets:info(T,size),
- ?line 0 = ets:info(T,kept_objects),
+ ?line 0 = get_kept_objects(T),
?line ets:delete(T),
?line T1 = ets_new(x,[ordered_set | Opts]),
?line filltabint(T1,4000),
@@ -4971,7 +4979,7 @@ grow_pseudo_deleted_do(Type) ->
[true]}]),
Left = Mult*(Mod-1),
?line Left = ets:info(T,size),
- ?line Mult = ets:info(T,kept_objects),
+ ?line Mult = get_kept_objects(T),
filltabstr(T,Mult),
spawn_opt(fun()-> ?line true = ets:info(T,fixed),
Self ! start,
@@ -4985,7 +4993,7 @@ grow_pseudo_deleted_do(Type) ->
?line true = ets:safe_fixtable(T,false),
io:format("Unfix table done. ~p nitems=~p\n",[now(),ets:info(T,size)]),
?line false = ets:info(T,fixed),
- ?line 0 = ets:info(T,kept_objects),
+ ?line 0 = get_kept_objects(T),
?line done = receive_any(),
%%verify_table_load(T), % may fail if concurrency is poor (genny)
ets:delete(T),
@@ -5012,7 +5020,7 @@ shrink_pseudo_deleted_do(Type) ->
[{'>', '$1', Half}],
[true]}]),
?line Half = ets:info(T,size),
- ?line Half = ets:info(T,kept_objects),
+ ?line Half = get_kept_objects(T),
spawn_opt(fun()-> ?line true = ets:info(T,fixed),
Self ! start,
io:format("Starting to delete... ~p\n",[now()]),
@@ -5025,7 +5033,7 @@ shrink_pseudo_deleted_do(Type) ->
?line true = ets:safe_fixtable(T,false),
io:format("Unfix table done. ~p nitems=~p\n",[now(),ets:info(T,size)]),
?line false = ets:info(T,fixed),
- ?line 0 = ets:info(T,kept_objects),
+ ?line 0 = get_kept_objects(T),
?line done = receive_any(),
%%verify_table_load(T), % may fail if concurrency is poor (genny)
ets:delete(T),
@@ -5141,7 +5149,7 @@ smp_fixed_delete_do() ->
?line 0 = ets:info(T,size),
?line true = ets:info(T,fixed),
?line Buckets = num_of_buckets(T),
- ?line NumOfObjs = ets:info(T,kept_objects),
+ ?line NumOfObjs = get_kept_objects(T),
ets:safe_fixtable(T,false),
%% Will fail as unfix does not shrink the table:
%%?line Mem = ets:info(T,memory),
@@ -5173,7 +5181,7 @@ smp_unfix_fix_do() ->
Left = NumOfObjs - Deleted,
?line Left = ets:info(T,size),
?line true = ets:info(T,fixed),
- ?line Deleted = ets:info(T,kept_objects),
+ ?line Deleted = get_kept_objects(T),
{Child, Mref} =
spawn_opt(fun()-> ?line true = ets:info(T,fixed),
@@ -5190,7 +5198,7 @@ smp_unfix_fix_do() ->
end,
Deleted),
?line 0 = ets:info(T,size),
- ?line true = ets:info(T,kept_objects) >= Left,
+ ?line true = get_kept_objects(T) >= Left,
?line done = receive_any()
end,
[link, monitor, {scheduler,2}]),
@@ -5203,7 +5211,7 @@ smp_unfix_fix_do() ->
Child ! done,
{'DOWN', Mref, process, Child, normal} = receive_any(),
?line false = ets:info(T,fixed),
- ?line 0 = ets:info(T,kept_objects),
+ ?line 0 = get_kept_objects(T),
%%verify_table_load(T),
ets:delete(T),
process_flag(scheduler,0).
@@ -5241,7 +5249,7 @@ otp_8166_do(WC) ->
ZombieCrPid ! quit,
{'DOWN', ZombieCrMref, process, ZombieCrPid, normal} = receive_any(),
?line false = ets:info(T,fixed),
- ?line 0 = ets:info(T,kept_objects),
+ ?line 0 = get_kept_objects(T),
%%verify_table_load(T),
ets:delete(T),
process_flag(scheduler,0).
@@ -5308,7 +5316,7 @@ otp_8166_zombie_creator(T,Deleted) ->
verify_table_load(T) ->
?line Stats = ets:info(T,stats),
- ?line {Buckets,AvgLen,StdDev,ExpSD,_MinLen,_MaxLen} = Stats,
+ ?line {Buckets,AvgLen,StdDev,ExpSD,_MinLen,_MaxLen,_} = Stats,
?line ok = if
AvgLen > 7 ->
io:format("Table overloaded: Stats=~p\n~p\n",
@@ -5920,7 +5928,7 @@ very_big_num(0, Result) ->
?line Result.
make_port() ->
- ?line open_port({spawn, efile}, [eof]).
+ ?line open_port({spawn, "efile"}, [eof]).
make_pid() ->
?line spawn_link(?MODULE, sleeper, []).