On Mon, 30 Mar 2015 17:17:21 -0300
Eduardo Habkost <ehabkost@xxxxxxxxxx> wrote:
> On Mon, Mar 30, 2015 at 04:28:24PM +0200, Michael Mueller wrote:
> > This patch implements a new QMP request named 'query-cpu-model'.
> > It returns the cpu model of cpu 0 and its backing accelerator.
> >
> > request:
> > {"execute" : "query-cpu-model" }
> >
> > answer:
> > {"return" : {"name": "2827-ga2", "accel": "kvm" }}
>
> If you are returning information about an existing CPU, why not just
> extend the output of "query-cpus"?
>
> (Existing qmp_query_cpus() calls cpu_synchronize_state(), which may be
> undesired. But in this case we could add an optional parameter to
> disable the return of data that requires stopping the VCPU).
Will the cpu_cpu_syncronize_state() really hurt in real life? query-cpus will be called only once
a while...
I will prepare the extension of query-cpus as an option but initially without the optional
parameter.
>
> >
> > Alias names are resolved to their respective machine type and GA names
> > already during cpu instantiation. Thus, also a cpu model like 'host'
> > which is implemented as alias will return its normalized cpu model name.
> >
> > Furthermore the patch implements the following function:
> >
> > - s390_cpu_models_used(), returns true if S390 cpu models are in use
> >
> > Signed-off-by: Michael Mueller <mimu@xxxxxxxxxxxxxxxxxx>
> [...]
>
Thanks,
Michael
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