Re: [Qemu-devel] How to trace all the guest OS instructions and the micro-ops

[Chen Yufei <cyfdecyf@gmail.com>]

On Mon, Mar 12, 2012 at 5:43 AM, Mulyadi Santosa
<mulyadi.santosa@gmail.com> wrote:
> Hi....
>
> On Sun, Mar 11, 2012 at 10:12, Yue Chen <ycyc321@gmail.com> wrote:
>> I am doing some research based on the QEMU. Does anyone know how to get
>> (trace) all the instructions of the guest OS, and get all the intermediate
>> micro-ops ?  (Not in the 0.9.1 version)

QEMU has release version 1.0.1. Why are you still using 0.9.1?

>
> I believe it's "-d" option you're looking for. Please read qemu manual
> for further clarification and info.

"-d" can only give a static view of what instruction is translated,
but can't get a dynamic instruction execution trace.

>
>> Additionally, how to get the whole memory or each process' memory data of
>> the guest OS?
>
> you wanna do that simply from Qemu's monitor? I don't think that's
> doable...or at least easily. Qemu sees guest RAM like your physical
> RAM. It doesn't differentiate which pages belongs to which process.
> You need to hook or go straight inside the guest OS, maybe using gdb
> or other tool to get the core dump of those processes.
>
>> I really appreciate your help.
>
> Hope it helps...
>
> --
> regards,
>
> Mulyadi Santosa
> Freelance Linux trainer and consultant
>
> blog: the-hydra.blogspot.com
> training: mulyaditraining.blogspot.com
>



-- 
Best regards,
Chen Yufei