On Fri, Sep 22, 2017 at 01:37:39PM +0200, Cédric Le Goater wrote:
> >> well, it would be good to be able to define chips with different
> >> numbers of cpus. That is something will we want to do for sure.
> >
> > You mean multiple chips in a single system with non-uniform numbers of
> > cores? Ar
>> well, it would be good to be able to define chips with different
>> numbers of cpus. That is something will we want to do for sure.
>
> You mean multiple chips in a single system with non-uniform numbers of
> cores? Are there really such systems in the wild?
>
When CPU fail for some reason,
On Fri, Sep 22, 2017 at 12:56:40PM +0200, Cédric Le Goater wrote:
> On 09/22/2017 08:00 AM, Nikunj A Dadhania wrote:
> > David Gibson writes:
> >
> >
> > As smp_thread defaults to 1 in vl.c, similarly smp_cores also has the
> > default value of 1 in vl.c. In powernv, we were setting n
On Fri, Sep 22, 2017 at 12:46:58PM +0200, Cédric Le Goater wrote:
> On 09/22/2017 12:12 PM, David Gibson wrote:
> > On Fri, Sep 22, 2017 at 08:07:06AM +0200, Cédric Le Goater wrote:
> >> On 09/22/2017 08:00 AM, Nikunj A Dadhania wrote:
> >>> David Gibson writes:
> >>>
> >>>
> >>> As smp_th
Cédric Le Goater writes:
> On 09/22/2017 08:00 AM, Nikunj A Dadhania wrote:
>> David Gibson writes:
>>
>>
>> As smp_thread defaults to 1 in vl.c, similarly smp_cores also has the
>> default value of 1 in vl.c. In powernv, we were setting nr-cores like
>> this:
>>
>>
On 09/22/2017 08:00 AM, Nikunj A Dadhania wrote:
> David Gibson writes:
>
>
> As smp_thread defaults to 1 in vl.c, similarly smp_cores also has the
> default value of 1 in vl.c. In powernv, we were setting nr-cores like
> this:
>
> object_property_set_int(chip, smp
On 09/22/2017 12:08 PM, David Gibson wrote:
> On Thu, Sep 21, 2017 at 08:04:55AM +0200, Cédric Le Goater wrote:
>> On 09/21/2017 05:54 AM, Nikunj A Dadhania wrote:
>>> David Gibson writes:
>>>
On Wed, Sep 20, 2017 at 12:48:55PM +0530, Nikunj A Dadhania wrote:
> David Gibson writes:
>
On 09/22/2017 12:12 PM, David Gibson wrote:
> On Fri, Sep 22, 2017 at 08:07:06AM +0200, Cédric Le Goater wrote:
>> On 09/22/2017 08:00 AM, Nikunj A Dadhania wrote:
>>> David Gibson writes:
>>>
>>>
>>> As smp_thread defaults to 1 in vl.c, similarly smp_cores also has the
>>> default val
On Fri, Sep 22, 2017 at 08:07:06AM +0200, Cédric Le Goater wrote:
> On 09/22/2017 08:00 AM, Nikunj A Dadhania wrote:
> > David Gibson writes:
> >
> >
> > As smp_thread defaults to 1 in vl.c, similarly smp_cores also has the
> > default value of 1 in vl.c. In powernv, we were setting n
On Thu, Sep 21, 2017 at 08:04:55AM +0200, Cédric Le Goater wrote:
> On 09/21/2017 05:54 AM, Nikunj A Dadhania wrote:
> > David Gibson writes:
> >
> >> On Wed, Sep 20, 2017 at 12:48:55PM +0530, Nikunj A Dadhania wrote:
> >>> David Gibson writes:
> >>>
> On Wed, Sep 20, 2017 at 12:10:48PM +05
On Thu, Sep 21, 2017 at 09:42:26AM +0200, Igor Mammedov wrote:
> On Thu, 21 Sep 2017 08:04:55 +0200
> Cédric Le Goater wrote:
>
> > On 09/21/2017 05:54 AM, Nikunj A Dadhania wrote:
> > > David Gibson writes:
> > >
> > >> On Wed, Sep 20, 2017 at 12:48:55PM +0530, Nikunj A Dadhania wrote:
> >
On 09/22/2017 08:00 AM, Nikunj A Dadhania wrote:
> David Gibson writes:
>
>
> As smp_thread defaults to 1 in vl.c, similarly smp_cores also has the
> default value of 1 in vl.c. In powernv, we were setting nr-cores like
> this:
>
> object_property_set_int(chip, smp
David Gibson writes:
>> >>
>> >> As smp_thread defaults to 1 in vl.c, similarly smp_cores also has the
>> >> default value of 1 in vl.c. In powernv, we were setting nr-cores like
>> >> this:
>> >>
>> >> object_property_set_int(chip, smp_cores, "nr-cores",
>> >> &error_fatal);
>> >>
>>
On Thu, 21 Sep 2017 08:04:55 +0200
Cédric Le Goater wrote:
> On 09/21/2017 05:54 AM, Nikunj A Dadhania wrote:
> > David Gibson writes:
> >
> >> On Wed, Sep 20, 2017 at 12:48:55PM +0530, Nikunj A Dadhania wrote:
> >>> David Gibson writes:
> >>>
> On Wed, Sep 20, 2017 at 12:10:48PM +0
On Thu, Sep 21, 2017 at 09:24:46AM +0530, Nikunj A Dadhania wrote:
> David Gibson writes:
>
> > On Wed, Sep 20, 2017 at 12:48:55PM +0530, Nikunj A Dadhania wrote:
> >> David Gibson writes:
> >>
> >> > On Wed, Sep 20, 2017 at 12:10:48PM +0530, Nikunj A Dadhania wrote:
> >> >> David Gibson write
On 09/21/2017 05:54 AM, Nikunj A Dadhania wrote:
> David Gibson writes:
>
>> On Wed, Sep 20, 2017 at 12:48:55PM +0530, Nikunj A Dadhania wrote:
>>> David Gibson writes:
>>>
On Wed, Sep 20, 2017 at 12:10:48PM +0530, Nikunj A Dadhania wrote:
> David Gibson writes:
>
>> On Wed, Se
David Gibson writes:
> On Wed, Sep 20, 2017 at 12:48:55PM +0530, Nikunj A Dadhania wrote:
>> David Gibson writes:
>>
>> > On Wed, Sep 20, 2017 at 12:10:48PM +0530, Nikunj A Dadhania wrote:
>> >> David Gibson writes:
>> >>
>> >> > On Wed, Sep 20, 2017 at 10:43:19AM +0530, Nikunj A Dadhania wro
On Wed, Sep 20, 2017 at 12:48:55PM +0530, Nikunj A Dadhania wrote:
> David Gibson writes:
>
> > On Wed, Sep 20, 2017 at 12:10:48PM +0530, Nikunj A Dadhania wrote:
> >> David Gibson writes:
> >>
> >> > On Wed, Sep 20, 2017 at 10:43:19AM +0530, Nikunj A Dadhania wrote:
> >> >> David Gibson write
On 09/20/2017 09:18 AM, Nikunj A Dadhania wrote:
> David Gibson writes:
>
>> On Wed, Sep 20, 2017 at 12:10:48PM +0530, Nikunj A Dadhania wrote:
>>> David Gibson writes:
>>>
On Wed, Sep 20, 2017 at 10:43:19AM +0530, Nikunj A Dadhania wrote:
> David Gibson writes:
>
>> On Wed, Se
David Gibson writes:
> On Wed, Sep 20, 2017 at 12:10:48PM +0530, Nikunj A Dadhania wrote:
>> David Gibson writes:
>>
>> > On Wed, Sep 20, 2017 at 10:43:19AM +0530, Nikunj A Dadhania wrote:
>> >> David Gibson writes:
>> >>
>> >> > On Wed, Sep 20, 2017 at 09:50:24AM +0530, Nikunj A Dadhania wro
On Wed, Sep 20, 2017 at 12:10:48PM +0530, Nikunj A Dadhania wrote:
> David Gibson writes:
>
> > On Wed, Sep 20, 2017 at 10:43:19AM +0530, Nikunj A Dadhania wrote:
> >> David Gibson writes:
> >>
> >> > On Wed, Sep 20, 2017 at 09:50:24AM +0530, Nikunj A Dadhania wrote:
> >> >> David Gibson write
Nikunj A Dadhania writes:
>> >>
>>> >> I think the current approach is the simplest and less intrusive, as we
>>> >> are handling a case where user has not bothered to provide a detailed
>>> >> topology, the best we can do is create single threaded cores equal to
>>> >> number of cores.
>>> >
>>
David Gibson writes:
> On Wed, Sep 20, 2017 at 10:43:19AM +0530, Nikunj A Dadhania wrote:
>> David Gibson writes:
>>
>> > On Wed, Sep 20, 2017 at 09:50:24AM +0530, Nikunj A Dadhania wrote:
>> >> David Gibson writes:
>> >>
>> >> > On Fri, Sep 15, 2017 at 02:39:16PM +0530, Nikunj A Dadhania wro
On Wed, Sep 20, 2017 at 10:43:19AM +0530, Nikunj A Dadhania wrote:
> David Gibson writes:
>
> > On Wed, Sep 20, 2017 at 09:50:24AM +0530, Nikunj A Dadhania wrote:
> >> David Gibson writes:
> >>
> >> > On Fri, Sep 15, 2017 at 02:39:16PM +0530, Nikunj A Dadhania wrote:
> >> >> David Gibson write
David Gibson writes:
> On Wed, Sep 20, 2017 at 09:50:24AM +0530, Nikunj A Dadhania wrote:
>> David Gibson writes:
>>
>> > On Fri, Sep 15, 2017 at 02:39:16PM +0530, Nikunj A Dadhania wrote:
>> >> David Gibson writes:
>> >>
>> >> > On Fri, Sep 15, 2017 at 01:53:15PM +0530, Nikunj A Dadhania wro
On Wed, Sep 20, 2017 at 09:50:24AM +0530, Nikunj A Dadhania wrote:
> David Gibson writes:
>
> > On Fri, Sep 15, 2017 at 02:39:16PM +0530, Nikunj A Dadhania wrote:
> >> David Gibson writes:
> >>
> >> > On Fri, Sep 15, 2017 at 01:53:15PM +0530, Nikunj A Dadhania wrote:
> >> >> David Gibson write
David Gibson writes:
> On Fri, Sep 15, 2017 at 02:39:16PM +0530, Nikunj A Dadhania wrote:
>> David Gibson writes:
>>
>> > On Fri, Sep 15, 2017 at 01:53:15PM +0530, Nikunj A Dadhania wrote:
>> >> David Gibson writes:
>> >>
>> >> >>
>> >> >> I thought, I am doing the same here for PowerNV, num
On Fri, Sep 15, 2017 at 02:39:16PM +0530, Nikunj A Dadhania wrote:
> David Gibson writes:
>
> > On Fri, Sep 15, 2017 at 01:53:15PM +0530, Nikunj A Dadhania wrote:
> >> David Gibson writes:
> >>
> >> >>
> >> >> I thought, I am doing the same here for PowerNV, number of online cores
> >> >> is e
David Gibson writes:
> On Fri, Sep 15, 2017 at 01:53:15PM +0530, Nikunj A Dadhania wrote:
>> David Gibson writes:
>>
>> >>
>> >> I thought, I am doing the same here for PowerNV, number of online cores
>> >> is equal to initial online vcpus / threads per core
>> >>
>> >>int boot_cores_nr =
On Fri, Sep 15, 2017 at 01:53:15PM +0530, Nikunj A Dadhania wrote:
> David Gibson writes:
>
> >>
> >> I thought, I am doing the same here for PowerNV, number of online cores
> >> is equal to initial online vcpus / threads per core
> >>
> >>int boot_cores_nr = smp_cpus / smp_threads;
> >>
>
David Gibson writes:
>>
>> I thought, I am doing the same here for PowerNV, number of online cores
>> is equal to initial online vcpus / threads per core
>>
>>int boot_cores_nr = smp_cpus / smp_threads;
>>
>> Only difference that I see in PowerNV is that we have multiple chips
>> (max 2, a
On Thu, Sep 14, 2017 at 10:42:52AM +0530, Nikunj A Dadhania wrote:
> David Gibson writes:
>
> > On Mon, Sep 11, 2017 at 10:40:10AM +0530, Nikunj A Dadhania wrote:
> >> David Gibson writes:
> >>
> >> > On Wed, Sep 06, 2017 at 01:57:48PM +0530, Nikunj A Dadhania wrote:
> >> >> When the user does
David Gibson writes:
> On Mon, Sep 11, 2017 at 10:40:10AM +0530, Nikunj A Dadhania wrote:
>> David Gibson writes:
>>
>> > On Wed, Sep 06, 2017 at 01:57:48PM +0530, Nikunj A Dadhania wrote:
>> >> When the user does not provide the cpu topology, e.g. "-smp 4", machine
>> >> fails to
>> >> initia
On Mon, Sep 11, 2017 at 10:40:10AM +0530, Nikunj A Dadhania wrote:
> David Gibson writes:
>
> > On Wed, Sep 06, 2017 at 01:57:48PM +0530, Nikunj A Dadhania wrote:
> >> When the user does not provide the cpu topology, e.g. "-smp 4", machine
> >> fails to
> >> initialize 4 cpus. Compute the chip p
David Gibson writes:
> On Wed, Sep 06, 2017 at 01:57:48PM +0530, Nikunj A Dadhania wrote:
>> When the user does not provide the cpu topology, e.g. "-smp 4", machine
>> fails to
>> initialize 4 cpus. Compute the chip per cores depending on the number of
>> chips
>> and smt threads.
>>
>> Signed
On Wed, Sep 06, 2017 at 01:57:48PM +0530, Nikunj A Dadhania wrote:
> When the user does not provide the cpu topology, e.g. "-smp 4", machine fails
> to
> initialize 4 cpus. Compute the chip per cores depending on the number of chips
> and smt threads.
>
> Signed-off-by: Nikunj A Dadhania
I don'
On 09/06/2017 10:27 AM, Nikunj A Dadhania wrote:
> When the user does not provide the cpu topology, e.g. "-smp 4", machine fails
> to
> initialize 4 cpus. Compute the chip per cores depending on the number of chips
> and smt threads.
I think we could also use the '-numa' options to define the cpu
When the user does not provide the cpu topology, e.g. "-smp 4", machine fails to
initialize 4 cpus. Compute the chip per cores depending on the number of chips
and smt threads.
Signed-off-by: Nikunj A Dadhania
---
hw/ppc/pnv.c | 20 ++--
1 file changed, 18 insertions(+), 2 deleti
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