From mboxrd@z Thu Jan  1 00:00:00 1970
From: Paolo Bonzini <pbonzini@redhat.com>
Subject: Re: How to trace every memory access
Date: Wed, 20 Nov 2013 11:41:16 +0100
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Cc: kvm <kvm@vger.kernel.org>
To: Arthur Chunqi Li <yzt356@gmail.com>
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Il 20/11/2013 08:55, Arthur Chunqi Li ha scritto:
> Hi Paolo,
> 
> Currently I can trap every first write/read to a memory page from
> guest VM (add codes in tdp_page_fault). If I want to trace every
> memory access to a page, how can I achieve such goal in KVM?

You don't. :)

If you are looking for something like this, a dynamic recompilation
engine (such as QEMU's TCG) probably ends up being faster.

Paolo