RE: Performance drop on Baytrail with 4.5-rc2

[Thomas Voegtle]

On Wed, 3 Feb 2016, Longepe, Philippe wrote:

> Hi Thomas,
>
> Thank you for sharing this test. I just did a quick test and yes this is 
> really interesting !
>
> Without the scale option, the load is close to 100% for each cpus (so 
> the pstates are increasing up to the turbo frequency) but with 
> scale=320:208, the load is oscillating (close to 50% in average), so the 
> requested frequencies are lower (the power is also reduced).
>
> I have a patch (not yet submitted) that reduce the gap for such a use 
> case.

Hi,

may I ask you where this patch stays? I have seen nothing in Linus' tree, 
that fixes that performance drop?


Thanks,

  Thomas