Re: [Qemu-devel] Benchmarking activities

[Andreas Färber]

Am 02.07.2011 um 10:32 schrieb Stefan Hajnoczi:

> On Fri, Jul 1, 2011 at 8:32 PM, Blue Swirl <address@hidden>  
> wrote:
> > 2011/6/27 Ben Vogler <address@hidden>:
> > > -           Are there any inbuilt data tracing features? For  
> > > example,
> > > hardware signal tracing, register monitoring etc.
> >
> > Tracing is quite new addition, so far it's only used for development
> > or debugging QEMU point of view I think.
>
> I think you are referring to hardware model debugging and logging.
> The QEMU "tracing" mechanism that Blue Swirl mentioned is a
> DTrace/SystemTap style tool for observing QEMU internals and not what
> you are looking for.

I believe Lluís (cc'ed) has worked on using/extending the trace  
framework to instrument guests.

QEMU has a built-in GDB server, so you can debug your code and inspect  
registers.
The QEMU monitor is another way to inspect registers beyond those  
shown in GDB.

Andreas