From: Paolo Bonzini <pbonzini@redhat.com>
To: Arthur Chunqi Li <yzt356@gmail.com>
Cc: kvm <kvm@vger.kernel.org>
Subject: Re: How to trace every memory access
Date: Wed, 20 Nov 2013 11:41:16 +0100 [thread overview]
Message-ID: <528C91CC.5090106@redhat.com> (raw)
In-Reply-To: <CABpY8MJUWdKLwi-0A9290PHU1TSm=XzRWerUMzMdZBjOXk4TOA@mail.gmail.com>
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
next prev parent reply other threads:[~2013-11-20 10:41 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-11-20 7:55 How to trace every memory access Arthur Chunqi Li
2013-11-20 10:41 ` Paolo Bonzini [this message]
2013-12-20 9:15 ` Arthur Chunqi Li
2013-12-20 11:58 ` Paolo Bonzini
2013-12-20 14:02 ` Arthur Chunqi Li
2013-12-21 7:25 ` Arthur Chunqi Li
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=528C91CC.5090106@redhat.com \
--to=pbonzini@redhat.com \
--cc=kvm@vger.kernel.org \
--cc=yzt356@gmail.com \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.