Re: [Qemu-devel] memory trace with qemu

[Jun Koi <junkoi2004@gmail.com>]

On Fri, Jul 23, 2010 at 3:15 PM, Stefan Hajnoczi <stefanha@gmail.com> wrote:
> On Fri, Jul 23, 2010 at 4:12 AM, Mulyadi Santosa
> <mulyadi.santosa@gmail.com> wrote:
>> Hi...
>>
>> On Fri, Jul 23, 2010 at 05:30, Eduardo Cruz <eduardohmdacruz@gmail.com> wrote:
>>> Hello, I need qemu to keep track of all the memory access made by the guest,
>>> including read, write and the instruction fetches.
>>
>> AFAIK there are lots of experiments on this and has produces working
>> patches...at least from the posting of the creator. There is even a
>> patch floating to start creating trace framework a while ago.
>
> Thanks Mulyadi, I think you are referring to the tracing work that
> Prerna Saxena and I are doing.  Here is the documentation:
>
> http://repo.or.cz/w/qemu/stefanha.git/blob/tracing:/docs/tracing.txt
>
> The patches apply to qemu.git.  You can define trace events in the
> trace-events file and then call them from places in the code.  There
> is a script to pretty-print the binary trace file that QEMU produces.
>

what trace events do you support now?

thanks,
J