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Re: [Qemu-devel] Tracing guest memory accesses
From: |
Daniel Jacobowitz |
Subject: |
Re: [Qemu-devel] Tracing guest memory accesses |
Date: |
Sat, 16 Dec 2006 22:53:07 -0500 |
User-agent: |
Mutt/1.5.13 (2006-08-11) |
On Sat, Dec 16, 2006 at 07:42:46PM -0800, Diwaker Gupta wrote:
> o do these changes seem correct? As in, do they actually track the
> read/write memory accesses done by the guest? I was concerned because
> when I start a guest, I see a whole lot of writes and not as many
> reads, which seems a little counter intuitive.
No. Those are I/O device accesses, not memory accesses. Look at the
softmmu code instead.
It may be easiest to add some new instrumentation in the translation
code for whatever target you're interested in.
--
Daniel Jacobowitz
CodeSourcery