On Wed, 2012-06-13 at 16:54 +0200, Vincent Guittot wrote:
> On 13 June 2012 15:07, Peter Zijlstra wrote:
> > On Tue, 2012-06-12 at 14:02 +0200, Vincent Guittot wrote:
> >> +struct cpu_capacity cpu_capacity[NR_CPUS];
> >
> > I know ARM isn't likely to suffer from the 4k cpu issue, but is there a
>
On 13 June 2012 15:07, Peter Zijlstra wrote:
> On Tue, 2012-06-12 at 14:02 +0200, Vincent Guittot wrote:
>> +struct cpu_capacity cpu_capacity[NR_CPUS];
>
> I know ARM isn't likely to suffer from the 4k cpu issue, but is there a
> reason to use a NR_CPUS array over a per-cpu variable?
At this stag
On Wed, 13 Jun 2012, Peter Zijlstra wrote:
> On Tue, 2012-06-12 at 14:02 +0200, Vincent Guittot wrote:
> > +#ifdef CONFIG_OF
>
> That must really be the worst CONFIG_ name ever..
Indeed! We must corner Grant to do a s/CONFIG_OF/CONFIG_DEVICE_TREE/
on the whole tree and send the patch to Linus.
On 13 June 2012 15:32, Peter Zijlstra wrote:
> On Wed, 2012-06-13 at 15:29 +0200, Vincent Guittot wrote:
>> In fact, there is 2 tracks, one for a power aware scheduler and one
>> for setting the capacity of each core of a big.LITTLE system. This
>> patch is for the latter and is not directly link
On Wed, 2012-06-13 at 15:29 +0200, Vincent Guittot wrote:
> In fact, there is 2 tracks, one for a power aware scheduler and one
> for setting the capacity of each core of a big.LITTLE system. This
> patch is for the latter and is not directly link to the power because
> the default/performance mode
On 13 June 2012 14:47, Peter Zijlstra wrote:
> On Wed, 2012-06-13 at 18:14 +0530, Amit Kucheria wrote:
>> Various discussions around power-aware scheduling have amplified the
>> need for the scheduler to have some knowledge of DVFS. This would then
>> require the scheduler to track 'cpu_power' ( =
On Tue, 2012-06-12 at 14:02 +0200, Vincent Guittot wrote:
> Use cpu compatibility field and clock-frequency field of DT to
> estimate the capacity of each core of the system
>
Can you provide a little description in the form of a code comment near
update_cpu_power() as to wtf all that does? This O
On Tue, 2012-06-12 at 14:02 +0200, Vincent Guittot wrote:
> +#ifdef CONFIG_OF
That must really be the worst CONFIG_ name ever..
___
linaro-dev mailing list
linaro-dev@lists.linaro.org
http://lists.linaro.org/mailman/listinfo/linaro-dev
On Tue, 2012-06-12 at 14:02 +0200, Vincent Guittot wrote:
> +struct cpu_capacity cpu_capacity[NR_CPUS];
I know ARM isn't likely to suffer from the 4k cpu issue, but is there a
reason to use a NR_CPUS array over a per-cpu variable?
___
linaro-dev mailing
Hi Amit, Peter,
On Wed, Jun 13, 2012 at 2:47 PM, Peter Zijlstra wrote:
> On Wed, 2012-06-13 at 18:14 +0530, Amit Kucheria wrote:
>> Various discussions around power-aware scheduling have amplified the
>> need for the scheduler to have some knowledge of DVFS. This would then
>> require the schedul
On Wed, 2012-06-13 at 18:14 +0530, Amit Kucheria wrote:
> Various discussions around power-aware scheduling have amplified the
> need for the scheduler to have some knowledge of DVFS. This would then
> require the scheduler to track 'cpu_power' ( = max power) and perhaps
> a new variable 'current_p
On Wed, Jun 13, 2012 at 3:14 PM, Vincent Guittot
wrote:
> On 13 June 2012 10:59, Jean Pihet wrote:
>> Vincent,
>>
>> On Tue, Jun 12, 2012 at 2:02 PM, Vincent Guittot
>> wrote:
>>> Use cpu compatibility field and clock-frequency field of DT to
>>> estimate the capacity of each core of the system
On 13 June 2012 10:59, Jean Pihet wrote:
> Vincent,
>
> On Tue, Jun 12, 2012 at 2:02 PM, Vincent Guittot
> wrote:
>> Use cpu compatibility field and clock-frequency field of DT to
>> estimate the capacity of each core of the system
>>
>> Signed-off-by: Vincent Guittot
>> ---
>> arch/arm/kernel/
Vincent,
On Tue, Jun 12, 2012 at 2:02 PM, Vincent Guittot
wrote:
> Use cpu compatibility field and clock-frequency field of DT to
> estimate the capacity of each core of the system
>
> Signed-off-by: Vincent Guittot
> ---
> arch/arm/kernel/topology.c | 122
> ++
Use cpu compatibility field and clock-frequency field of DT to
estimate the capacity of each core of the system
Signed-off-by: Vincent Guittot
---
arch/arm/kernel/topology.c | 122
1 file changed, 122 insertions(+)
diff --git a/arch/arm/kernel/topol
15 matches
Mail list logo
