How to monitor heap access from native threads

[Colin(Du Li)]

Dear all,

I wanna monitor all the heap access from native threads.
Native threads can access JVM heap in two ways:
1. through JNI function. this will be easier to monitor, and we can
instrument the jni function to record the access.
2. Native threads can also get a raw pointer to  an objects, then they can
access the heap through the raw pointer. For this case, I don't know how to
capture and record them.

Can anyone give some idea to monitor the memory access from native threads?
Any third-party tools I can leverage?

Thanks.

Colin 
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