On 01/21/2014 01:33 PM, Alex Shi wrote:
> rq->avg_idle try to reflect the average idle time between the cpu idle
> and first wakeup. But in the function, it maybe get a negative value
> if old avg_idle is too small. Then this negative value will be double
> counted in next time calculation. Guess that is not the original purpose,
> so recalibrate it to zero.
Forget this patch, the avg_idle is impossible to get negative.
Sorry for noise!
--
Thanks
Alex
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