[PATCH] RFR Bug-pending: Enable Hotspot to Track Native Memory Usage for Direct Byte Buffers

[Alan Bateman]

On 23/02/2018 15:28, Peter Levart wrote:
> Hi Adam,
>
> Did you know that native memory is already tracked on the Java side for
> direct ByteBuffers? See class java.nio.Bits. Could you make use of it?
>
Right, these are the fields that are exposed at runtime via 
BufferPoolMXBean. A SA based tool could read from a core file. I can't 
tell if this is enough for Adam, it may be that the his tool reveals 
more details on the buffers in the pools.

-Alan