using -XX:-UseCompilerSafepoints

Aleksey Shipilev aleksey.shipilev at oracle.com
Mon Nov 10 19:13:09 UTC 2014


On 11/10/2014 10:05 PM, Deneau, Tom wrote:
> I wanted to test the effect of the CompilerSafepoints poll
> instruction on a doNothing loop.  But when I tried this, the first
> warmup iteration (supposed to be 1 second) never returned.  I am
> using forking.  so something like -f 1 -jvmPrependArgs
> "-XX:-UseCompilerSafepoints"
> 
> Is this combination legal?

JMH usage seems legal.

I wonder if your code is stuck in the infinite loop somewhere with
-XX:-UseCompilerSafepoints.

-Aleksey.




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