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SubjectRe: [RFC PATCHC 3/3] sched/fair: use the idle state info to choose the idlest cpu
On 04/18/2014 10:09 AM, Ingo Molnar wrote:
>
> * Daniel Lezcano <daniel.lezcano@linaro.org> wrote:
>
>> On 04/17/2014 04:47 PM, Peter Zijlstra wrote:
>>> On Thu, Apr 17, 2014 at 03:53:32PM +0200, Daniel Lezcano wrote:
>>>> Concerning the policy, I would suggest to create an entry in
>>>> /proc/sys/kernel/sched_power, where a couple of values could be performance
>>>> - power saving (0 / 1).
>>>
>>> Ingo wanted a sched_balance_policy file with 3 values:
>>> "performance, power, auto"
>>>
>>> Where the auto thing switches between them, initially based off of
>>> having AC or not.
>>
>> oh, good. Thanks !
>
> Also, 'auto' should be the default, because the kernel doing TRT is
> really what users want.
>
> Userspace can sill tweak it all and make it all user-space controlled,
> by flipping between 'performance' and 'power'. (and those modes are
> also helpful for development and debugging.)

Copy that.

Thanks !

-- Daniel


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