trouble passing JVM startup options using JTREG
jonathan.gibbons at oracle.com
Mon Apr 17 21:29:42 UTC 2017
On 04/17/2017 02:18 PM, Ram Krishnan wrote:
> I have been able to successfully run all the tests in
> hotspot/test/gc/g1 using jtreg.
> The only gotcha I am facing is that the JVM startup options specified
> in process builder does not have any effect. I have confirmed this
> through prints in the JVM code base.
> For example,
> TestEagerReclaimHumongousRegionsClearMarkBits.java modifies the
> "-XX:ConcGCThreads=1", but inside the JVM code to value of
> ConcGCThreads is still zero.
> I am new to jtreg and openjdk and probably missing something obvious.
> Your help would be much appreciated.
> Thanks in advance,
This does not look like an issue with jtreg, since the behavior you are
apparently seeing is all within the test code and its libraries.
You might want to follow up with the Hotspot team, who would have more
familiarity with these tests and the associated libraries.
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