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authorBjörn Gustavsson <[email protected]>2015-03-27 10:11:58 +0100
committerBjörn Gustavsson <[email protected]>2015-04-10 12:33:24 +0200
commit45560fa257526745e07115f244c80912061ecc87 (patch)
tree169c5c3623ea16277428ed28a71613e1cbf5f154 /lib/stdlib
parentf0bdd85484a0530f82d68c290dfc68ca83407e93 (diff)
downloadotp-45560fa257526745e07115f244c80912061ecc87.tar.gz
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Eliminate deprecated now/0 used as timestamp
Rewrite the code to measure and print elapsed time instead of just printing timestamps for the start and stop of each operation.
Diffstat (limited to 'lib/stdlib')
-rw-r--r--lib/stdlib/test/ets_SUITE.erl124
1 files changed, 83 insertions, 41 deletions
diff --git a/lib/stdlib/test/ets_SUITE.erl b/lib/stdlib/test/ets_SUITE.erl
index c7d4b99355..5936fe9133 100644
--- a/lib/stdlib/test/ets_SUITE.erl
+++ b/lib/stdlib/test/ets_SUITE.erl
@@ -5106,17 +5106,29 @@ grow_pseudo_deleted_do(Type) ->
?line Left = ets:info(T,size),
?line Mult = get_kept_objects(T),
filltabstr(T,Mult),
- my_spawn_opt(fun()-> ?line true = ets:info(T,fixed),
- Self ! start,
- io:format("Starting to filltabstr... ~p\n",[now()]),
- filltabstr(T,Mult,Mult+10000),
- io:format("Done with filltabstr. ~p\n",[now()]),
- Self ! done
- end, [link, {scheduler,2}]),
+ my_spawn_opt(
+ fun() ->
+ true = ets:info(T,fixed),
+ Self ! start,
+ io:put_chars("Starting to filltabstr...\n"),
+ do_tc(fun() ->
+ filltabstr(T, Mult, Mult+10000)
+ end,
+ fun(Elapsed) ->
+ io:format("Done with filltabstr in ~p ms\n",
+ [Elapsed])
+ end),
+ Self ! done
+ end, [link, {scheduler,2}]),
?line start = receive_any(),
- io:format("Unfixing table...~p nitems=~p\n",[now(),ets:info(T,size)]),
- ?line true = ets:safe_fixtable(T,false),
- io:format("Unfix table done. ~p nitems=~p\n",[now(),ets:info(T,size)]),
+ io:format("Unfixing table... nitems=~p\n", [ets:info(T, size)]),
+ do_tc(fun() ->
+ true = ets:safe_fixtable(T, false)
+ end,
+ fun(Elapsed) ->
+ io:format("Unfix table done in ~p ms. nitems=~p\n",
+ [Elapsed,ets:info(T, size)])
+ end),
?line false = ets:info(T,fixed),
?line 0 = get_kept_objects(T),
?line done = receive_any(),
@@ -5146,17 +5158,28 @@ shrink_pseudo_deleted_do(Type) ->
[true]}]),
?line Half = ets:info(T,size),
?line Half = get_kept_objects(T),
- my_spawn_opt(fun()-> ?line true = ets:info(T,fixed),
- Self ! start,
- io:format("Starting to delete... ~p\n",[now()]),
- del_one_by_one_set(T,1,Half+1),
- io:format("Done with delete. ~p\n",[now()]),
- Self ! done
- end, [link, {scheduler,2}]),
+ my_spawn_opt(
+ fun()-> true = ets:info(T,fixed),
+ Self ! start,
+ io:put_chars("Starting to delete... ~p\n"),
+ do_tc(fun() ->
+ del_one_by_one_set(T, 1, Half+1)
+ end,
+ fun(Elapsed) ->
+ io:format("Done with delete in ~p ms.\n",
+ [Elapsed])
+ end),
+ Self ! done
+ end, [link, {scheduler,2}]),
?line start = receive_any(),
- io:format("Unfixing table...~p nitems=~p\n",[now(),ets:info(T,size)]),
- ?line true = ets:safe_fixtable(T,false),
- io:format("Unfix table done. ~p nitems=~p\n",[now(),ets:info(T,size)]),
+ io:format("Unfixing table... nitems=~p\n", [ets:info(T, size)]),
+ do_tc(fun() ->
+ true = ets:safe_fixtable(T, false)
+ end,
+ fun(Elapsed) ->
+ io:format("Unfix table done in ~p ms. nitems=~p\n",
+ [Elapsed,ets:info(T, size)])
+ end),
?line false = ets:info(T,fixed),
?line 0 = get_kept_objects(T),
?line done = receive_any(),
@@ -5309,30 +5332,42 @@ smp_unfix_fix_do() ->
?line Deleted = get_kept_objects(T),
{Child, Mref} =
- my_spawn_opt(fun()-> ?line true = ets:info(T,fixed),
- Parent ! start,
- io:format("Child waiting for table to be unfixed... now=~p mem=~p\n",
- [now(),ets:info(T,memory)]),
- repeat_while(fun()-> ets:info(T,fixed) end),
- io:format("Table unfixed. Child Fixating! now=~p mem=~p\n",
- [now(),ets:info(T,memory)]),
- ?line true = ets:safe_fixtable(T,true),
- repeat_while(fun(Key) when Key =< NumOfObjs ->
- ets:delete(T,Key), {true,Key+1};
- (Key) -> {false,Key}
- end,
- Deleted),
- ?line 0 = ets:info(T,size),
- ?line true = get_kept_objects(T) >= Left,
- ?line done = receive_any()
- end,
- [link, monitor, {scheduler,2}]),
+ my_spawn_opt(
+ fun()->
+ true = ets:info(T,fixed),
+ Parent ! start,
+ io:format("Child waiting for table to be unfixed... mem=~p\n",
+ [ets:info(T, memory)]),
+ do_tc(fun() ->
+ repeat_while(fun()-> ets:info(T, fixed) end)
+ end,
+ fun(Elapsed) ->
+ io:format("Table unfixed in ~p ms."
+ " Child Fixating! mem=~p\n",
+ [Elapsed,ets:info(T,memory)])
+ end),
+ true = ets:safe_fixtable(T,true),
+ repeat_while(fun(Key) when Key =< NumOfObjs ->
+ ets:delete(T,Key), {true,Key+1};
+ (Key) -> {false,Key}
+ end,
+ Deleted),
+ 0 = ets:info(T,size),
+ true = get_kept_objects(T) >= Left,
+ done = receive_any()
+ end,
+ [link, monitor, {scheduler,2}]),
?line start = receive_any(),
?line true = ets:info(T,fixed),
- io:format("Parent starting to unfix... ~p\n",[now()]),
- ets:safe_fixtable(T,false),
- io:format("Parent done with unfix. ~p\n",[now()]),
+ io:put_chars("Parent starting to unfix... ~p\n"),
+ do_tc(fun() ->
+ ets:safe_fixtable(T, false)
+ end,
+ fun(Elapsed) ->
+ io:format("Parent done with unfix in ~p ms.\n",
+ [Elapsed])
+ end),
Child ! done,
{'DOWN', Mref, process, Child, normal} = receive_any(),
?line false = ets:info(T,fixed),
@@ -6334,3 +6369,10 @@ repeat_for_opts_atom2list(compressed) -> [compressed,void].
ets_new(Name, Opts) ->
%%ets:new(Name, [compressed | Opts]).
ets:new(Name, Opts).
+
+do_tc(Do, Report) ->
+ T1 = erlang:monotonic_time(),
+ Do(),
+ T2 = erlang:monotonic_time(),
+ Elapsed = erlang:convert_time_unit(T2 - T1, native, milli_seconds),
+ Report(Elapsed).