Re: [tip:sched/core] [sched] 2ae891b826: hackbench.throughput 6.2% regression

[Chen Yu]

On 2025-02-25 at 13:27:05 +0100, Peter Zijlstra wrote:
> On Tue, Feb 25, 2025 at 05:31:34PM +0800, Chen Yu wrote:
> 
> > 
> > But consider that the 6% regression is not that high, and the user might customize
> > base_slice via debugfs on-demand, we can keep an eye on this and revist it in the
> > future(we have encountered some SPECjbb regression due to over-preemption).
> 
> You can specify a per-task slice using sched_attr::sched_runtime. Also
> see commit 857b158dc5e8 ("sched/eevdf: Use sched_attr::sched_runtime to
> set request/slice suggestion")
> 
>

Thanks, we'll have a try during the next test cycle.

thanks,
Chenyu