Re: [RFC PATCH 0/1] sched/pelt: Change PELT halflife at runtime

[Peter Zijlstra]

On Thu, Sep 29, 2022 at 12:10:17PM +0100, Kajetan Puchalski wrote:

> Overall, the problem being solved here is that based on our testing the
> PELT half life can occasionally be too slow to keep up in scenarios
> where many frames need to be rendered quickly, especially on high-refresh
> rate phones and similar devices.

But it is a problem of DVFS not ramping up quick enough; or of the
load-balancer not reacting to the increase in load, or what aspect
controlled by PELT is responsible for the improvement seen?