Performance regression in BuiltinClassLoader?

Alan Bateman Alan.Bateman at
Mon Jan 18 19:31:29 UTC 2021

On 18/01/2021 19:24, Eirik Bjørsnøs wrote:
> For good measure, I did a JFR recording which revealed that
> ExplodedModuleReader was doing file stat in 263 of 277 native method
> samples.
> Which lie explains all this, since the 15 I used was not shipped with
> exploded jmods..
> How do I build OpenJDK with packaged modules?
Have you done "make images"? You should see images/jdk in your build output.


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