RFR: 8165955: TestFullGCCount test failed with CMS and -XX:+ExplicitGCInvokesConcurrent

Dmitry Fazunenenko dmitry.fazunenko at oracle.com
Thu Nov 10 09:47:42 UTC 2016

Hi Michail,

I think this test is not designed to work in 
So, I would require:
  * @requires vm.opt.ExplicitGCInvokesConcurrent != true


On 11/9/2016 7:44 PM, Michail Chernov wrote:
> Hi,
> Could I have a reviews for this small change which excludes test run 
> with CMS and -XX:+ExplicitGCInvokesConcurrent, please?
> https://bugs.openjdk.java.net/browse/JDK-8165955
> http://cr.openjdk.java.net/~mchernov/8165955/webrev.00/
> Test fails because CMS with -XX:+ExplicitGCInvokesConcurrent causes to 
> java's threads unlocking before CMSCollector::sweep() has been done. 
> So the GC counters can be updated after test gets their value.
> Thanks,
> Michail

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