On 03/30/2015 02:17 PM, Eduardo Habkost 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).
And how would libvirt learn about the existence of that optional
parameter? Without introspection, a new command is easier to query than
learning about whether an optional parameter exists (then again, we're
hoping to get introspection into 2.4, so it may be a moot question).
--
Eric Blake eblake redhat com +1-919-301-3266
Libvirt virtualization library http://libvirt.org
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