On Mon, Jul 14, 2014 at 10:21 PM, Mohammad Merajul Islam Molla
<meraj.enigma@xxxxxxxxx> wrote:
> Hi Andev,
>
> Thanks for reply. I got the definition too. What I really want to know
> is what this variable nr_iowait stands for?
> Is it counting pending input/output on a cpu?
>
>
> --
> - Meraj
>
>
>
> On Tue, Jul 15, 2014 at 8:07 AM, Andev <debiandev@xxxxxxxxx> wrote:
>> On Mon, Jul 14, 2014 at 10:10 AM, Mohammad Merajul Islam Molla
>> <meraj.enigma@xxxxxxxxx> wrote:
>>> Hello,
>>>
>>> I was looking into the code of cpuidle menu governor and it uses a
>>> function nr_iowait_cpu(int cpu).
>>> I could not find out what this function does.
>>>
>>> Can someone please explain what nr_iowait_cpu(int cpu) and variant
>>> nr_iowait() do?
>>>
>>> --
Now that is a better question. Try looking up what nr_iowait is.
>>
>> In all its glory:
>>
>> unsigned long nr_iowait_cpu(int cpu)
>> {
>> struct rq *this = cpu_rq(cpu);
>> return atomic_read(&this->nr_iowait);
>> }
>>
>>
>>> Thanks,
>>> -Meraj
>>>
>>> _______________________________________________
>>> Kernelnewbies mailing list
>>> Kernelnewbies@xxxxxxxxxxxxxxxxx
>>> http://lists.kernelnewbies.org/mailman/listinfo/kernelnewbies
>>
>>
>>
>> --
>> Andev
--
Andev
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