Re: Cache-aware scheduling does not work well with amd big/little cores

[Tim Chen]

On Mon, 2026-08-31 at 13:24 +0200, Klaus Kusche wrote:
> Hello,
> 
> both patches in combination seem to have the desired effect.
> 
> But I just look at a bar graph showing the current load
> of each core. 
> The graph suggests that long-running CPU-intensive processes 
> migrate to fast cores when fast cores become available.
> And I have the impression that LTO compilations
> finish significantly faster now.
> 
> I don't have exact numbers or benchmarks.

Thanks for testing the fix.

If you just apply https://lore.kernel.org/lkml/20260825174112.2580942-1-tim.c.chen@xxxxxxxxxxxxxxx/,
with default aggr_tolerance, what numbers do you see?

That will be helpful for further tuning.  Thanks.

Tim