RFR: 8170098: AArch64: VM is extremely slow with JVMTI debugging enabled

Dmitry Samersoff dmitry.samersoff at oracle.com
Mon Nov 21 18:46:53 UTC 2016


Should the code in MethodHandles::jump_from_method_handle() be changed
as well?


On 2016-11-21 18:15, Andrew Haley wrote:
> JavaThread::interp_only_mode is a 32-bit sized field. In the assembly code we read it as a 64-bit xword, causing false positives. This means that as soon as we attach a JVMTI debugger everything runs very slowly.
> http://cr.openjdk.java.net/~aph/8170098/

Dmitry Samersoff
Oracle Java development team, Saint Petersburg, Russia
* I would love to change the world, but they won't give me the sources.

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