On 01/11/2014 01:25 AM, Alexander Graf wrote:
>
> On 10.01.2014, at 15:21, Mike Day wrote:
>
>> On Fri, Jan 10, 2014 at 9:13 AM, Alexey Kardashevskiy
>> wrote:
>>> On 01/11/2014 01:00 AM, Alexander Graf wrote:
>>
Can't we determine the number of "default threads" at a common
place, p
On Fri, Jan 10, 2014 at 9:25 AM, Alexander Graf wrote:
>>> On 01/11/2014 01:00 AM, Alexander Graf wrote:
>>
Can't we determine the number of "default threads" at a common place,
preferably derived from cpu type?
>>>
>>> We can do anything. I asked how exactly as I really (really) do not
On 10.01.2014, at 15:21, Mike Day wrote:
> On Fri, Jan 10, 2014 at 9:13 AM, Alexey Kardashevskiy wrote:
>> On 01/11/2014 01:00 AM, Alexander Graf wrote:
>
>>> Can't we determine the number of "default threads" at a common place,
>>> preferably derived from cpu type?
>>
>> We can do anything.
On Fri, Jan 10, 2014 at 9:13 AM, Alexey Kardashevskiy wrote:
> On 01/11/2014 01:00 AM, Alexander Graf wrote:
>> Can't we determine the number of "default threads" at a common place,
>> preferably derived from cpu type?
>
> We can do anything. I asked how exactly as I really (really) do not
> unde
On 10.01.2014, at 15:13, Alexey Kardashevskiy wrote:
> On 01/11/2014 01:00 AM, Alexander Graf wrote:
>>
>> On 10.01.2014, at 14:42, Alexey Kardashevskiy wrote:
>>
>>> On 01/11/2014 12:28 AM, Alexander Graf wrote:
On 10.01.2014, at 14:03, Mike Day wrote:
>
> Alexey K
On 01/11/2014 01:00 AM, Alexander Graf wrote:
>
> On 10.01.2014, at 14:42, Alexey Kardashevskiy wrote:
>
>> On 01/11/2014 12:28 AM, Alexander Graf wrote:
>>>
>>> On 10.01.2014, at 14:03, Mike Day wrote:
>>>
Alexey Kardashevskiy writes:
> On 01/10/2014 10:40 AM, Alexander
Alexander Graf writes:
>> The patch as it its now is very simple and well-contained. I wonder how
>> much it would expand if we added a max thread count to the cpu class. It
>> seems like the need for a max thread count is idiomatic to powerpc.
>
> It's only ever useful on IBM POWER. Any other
On 10.01.2014, at 14:42, Alexey Kardashevskiy wrote:
> On 01/11/2014 12:28 AM, Alexander Graf wrote:
>>
>> On 10.01.2014, at 14:03, Mike Day wrote:
>>
>>>
>>> Alexey Kardashevskiy writes:
>>>
On 01/10/2014 10:40 AM, Alexander Graf wrote:
>
> What if we make the max thre
On 01/11/2014 12:28 AM, Alexander Graf wrote:
>
> On 10.01.2014, at 14:03, Mike Day wrote:
>
>>
>> Alexey Kardashevskiy writes:
>>
>>> On 01/10/2014 10:40 AM, Alexander Graf wrote:
>>>
What if we make the max thread count a property of our cpu class?
The we
>>> can add a thre
On 10.01.2014, at 14:03, Mike Day wrote:
>
> Alexey Kardashevskiy writes:
>
>> On 01/10/2014 10:40 AM, Alexander Graf wrote:
>>>
>>
>>> What if we make the max thread count a property of our cpu class? The
>>> we
>> can add a threads=max option which will be identical between kvm and tcg.
>
Alexey Kardashevskiy writes:
> On 01/10/2014 10:40 AM, Alexander Graf wrote:
>>
>
>> What if we make the max thread count a property of our cpu class? The
>> we
> can add a threads=max option which will be identical between kvm and tcg.
>
>
> You lost me here :)
> Right now the sequence is:
> 1
On 01/10/2014 10:40 AM, Alexander Graf wrote:
>
>
>> Am 09.01.2014 um 23:12 schrieb Alexey Kardashevskiy :
>>
>>> On 01/10/2014 08:00 AM, Mike Day wrote:
>>>
>>> Alexey Kardashevskiy writes:
>>>
/* compute missing values, prefer sockets over cores over threads
*/
> Am 09.01.2014 um 23:12 schrieb Alexey Kardashevskiy :
>
>> On 01/10/2014 08:00 AM, Mike Day wrote:
>>
>> Alexey Kardashevskiy writes:
>>
>>> /* compute missing values, prefer sockets over cores over threads */
>>> if (cpus == 0 || sockets == 0) {
>>> sockets = so
On Thu, 2014-01-09 at 16:34 +1100, Alexey Kardashevskiy wrote:
> On POWERPC, only a whole CPU core can be assigned to a KVM.
s/POWERPC/POWER/
-Scott
On 01/10/2014 08:00 AM, Mike Day wrote:
>
> Alexey Kardashevskiy writes:
>
>> /* compute missing values, prefer sockets over cores over threads */
>> if (cpus == 0 || sockets == 0) {
>> sockets = sockets > 0 ? sockets : 1;
>> cores = cores > 0 ? cores
Alexey Kardashevskiy writes:
> /* compute missing values, prefer sockets over cores over threads */
> if (cpus == 0 || sockets == 0) {
> sockets = sockets > 0 ? sockets : 1;
> cores = cores > 0 ? cores : 1;
> -threads = threads > 0 ? thread
On POWERPC, only a whole CPU core can be assigned to a KVM. Since
POWER7/8 support several threads per core, we want all threads of a core
to go to the same KVM so every time we run QEMU with -enable-kvm,
we have to add -smp X,threads=(4|8)" (4 for POWER7 and 8 for POWER8).
The user rather wants t
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