RFR(S): 8220672: [TESTBUG] TestCPUSets should check that cpuset does not exceed available cores

[David Holmes]

Hi Misha,

On 18/05/2019 8:36 am, mikhailo.seledtsov at oracle.com wrote:
> Please review this change that fixes the TestCPUSets test. In short, in 
> some configurations the size of CPU set
> exceeds the available amount of cores; see bug description and comments 
> for details.
> The fix (or some may say work-around) in this change is to limit the 
> size of the set to the number of available CPUs.

I think the workaround is reasonable and should be pushed. But as per 
the bug report I think we still need to get to the bottom of where the 
misinformation is coming from and whose bug it really is.

Thanks,
David
-----

>      JBS: https://bugs.openjdk.java.net/browse/JDK-8220672
>      Webrev: http://cr.openjdk.java.net/~mseledtsov/8220672.00/
>      Testing:
>        - ran the affected test on hosts where issue occurred
>        - ran the affected test on a variety of hosts in build-and-test 
> cluster
>        The problem does not show up anymore.
> 
> Thank you,
> Misha
>