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authorSverker Eriksson <[email protected]>2018-02-12 13:32:51 +0100
committerSverker Eriksson <[email protected]>2018-02-12 13:32:51 +0100
commit06e88d07a4719a0e15b4e666b16347fad463cee6 (patch)
treee340fa0359eeac5906ccb06a6f6adfcc0fc70718 /lib/stdlib/test
parent194513197e19cd592f3f5c2231510542f5193fe4 (diff)
parentecea4b22696dc2aaa57d9f9750fe07efb6b71cde (diff)
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Merge 'sverker/maint-19/alloc-n-migration/ERIERL-88'
into 'sverker/maint-20/alloc-n-migration/ERIERL-88' OTP-14915 OTP-14916 OTP-14917 OTP-14918
Diffstat (limited to 'lib/stdlib/test')
-rw-r--r--lib/stdlib/test/ets_SUITE.erl26
1 files changed, 20 insertions, 6 deletions
diff --git a/lib/stdlib/test/ets_SUITE.erl b/lib/stdlib/test/ets_SUITE.erl
index 05451a83fb..1a8260b041 100644
--- a/lib/stdlib/test/ets_SUITE.erl
+++ b/lib/stdlib/test/ets_SUITE.erl
@@ -6033,17 +6033,23 @@ etsmem() ->
end},
{Mem,AllTabs}.
-verify_etsmem({MemInfo,AllTabs}) ->
+
+verify_etsmem(MI) ->
wait_for_test_procs(),
+ verify_etsmem(MI, 1).
+
+verify_etsmem({MemInfo,AllTabs}, Try) ->
case etsmem() of
{MemInfo,_} ->
io:format("Ets mem info: ~p", [MemInfo]),
- case MemInfo of
- {ErlMem,EtsAlloc} when ErlMem == notsup; EtsAlloc == undefined ->
+ case {MemInfo, Try} of
+ {{ErlMem,EtsAlloc},_} when ErlMem == notsup; EtsAlloc == undefined ->
%% Use 'erl +Mea max' to do more complete memory leak testing.
{comment,"Incomplete or no mem leak testing"};
- _ ->
- ok
+ {_, 1} ->
+ ok;
+ _ ->
+ {comment, "Transient memory discrepancy"}
end;
{MemInfo2, AllTabs2} ->
@@ -6051,7 +6057,15 @@ 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]),
- ct:fail("Failed memory check")
+ case Try < 2 of
+ true ->
+ io:format("\nThis discrepancy could be caused by an "
+ "inconsistent memory \"snapshot\""
+ "\nTry again...\n", []),
+ verify_etsmem({MemInfo, AllTabs}, Try+1);
+ false ->
+ ct:fail("Failed memory check")
+ end
end.