Re: [Qemu-devel] QEMU Memory subsystem

[Wenchao Xia]

于 2013-6-21 9:51, Basim Baig 写道:
> Hello,
>
> I am currently working on a project where I aim to log every memory access
> made by a virtual machine running inside of QEMU (for analyzing kernel
> behavior). My initial approach is to possibly hook into the QEMU mmu
> implementation and find the place where the guest->host page translation or
> lookup is done. In this way I can know any pages accessed by the guest
> (This is only the first level. Eventually I would want to get logging at
> pointer granularity). I have been reading through the source code and
> online documentations for a week now to get a general sense of the qemu
> internals and codebase.
>
> I just wanted some advice on what direction I should head to (or who I can
> talk to) If I really want to get into depth of how I can make significant
> changes to qemu memory management and mmu subsystem.
>
> Thanks,
> Mirza Basim Baig
> Stony Brook University
  I think you can archieve your goal relative easily in soft-mmu mode,
but in KVM case, you will need to dig a bit in kvm.ko in kernel source
code.

--
Best Regards

Wenchao Xia