RFR: 8148745: [testbug] Test gc/g1/plab/TestPLABPromotion.java fails in nightly
thomas.schatzl at oracle.com
Mon Feb 8 13:23:10 UTC 2016
On Fri, 2016-02-05 at 18:09 +0300, Michail Chernov wrote:
> Hi all,
> Could I have a couple of review for this change:
> Webrev: http://cr.openjdk.java.net/~mchernov/8148745/webrev.00/
> Bug: https://bugs.openjdk.java.net/browse/JDK-8148745
> Added -XX:MaxTenuringThreshold=1 to achieve objects promotion at
> every GC.
> Added timeout for TestPLABPromotion.java because it can work
> sufficient time with -Xcomp.
Since -Xcomp does not seem to add any new information to the test,
couldn't it simply be disallowed to use with this test instead?
> Added @requires to exclude test execution with Flight Recorder,
> because test cannot handle case when some additional objects are
> created before or during test running.
> Checking of size of promoted objects was changed because difference
> of real allocated objects and promoted can exceed existing limit with
> big heap size.
The 01 version looks okay. I assume proper testing with this change has
been performed (running it through our test systems a few times).
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