RFR: 8148397: Create new tests for IHOP

[Dmitry Fazunenko]

Michail,

The fix looks good to me. Could you consider renaming:
test/stress/gc/TestIHOPParallel
-->
test/stress/gc/TestStressIHOPMultiThread

Thanks,
Dima


On 18.03.2016 18:57, Michail Chernov wrote:
> Hi,
>
> Could I have a review for this change, please:
>
> Bug: https://bugs.openjdk.java.net/browse/JDK-8148397
> Webrev: http://cr.openjdk.java.net/~mchernov/8148397/webrev.00/
>
> TestIHOPParallel.java - stress test for Adaptive IHOP with logging. 
> Test allocates and frees memory in several threads. Executes with 
> enabled logging for IHOP: 
> -Xlog:gc+ihop=debug,gc+ihop+ergo=debug,gc+ergo=debug . Expects for no 
> crashes during working.
>
> TestIHOPStatic.java - provokes concurrent cycle initiation with static 
> IHOP during allocation to check that occupancy and threshold (IHOP) 
> are valid and occupancy is greater than threshold.
>
> TestIHOPErgo.java - provokes concurrent cycle initiation with static 
> and adaptive IHOP. Checks that occupancy and threshold are valid. 
> Checks that adaptive IHOP prediction is activated during some iterations.
>
> Executed on several configurations with nightly VM options.
>
> Thanks
> Michail
>
>
>
>

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