Re: [PATCH v3 2/5] sched/deadline: Fix reclaim inaccuracy with SMP

From: Vineeth Remanan Pillai
Date: Fri May 26 2023 - 10:54:33 EST

Hi Luca,

On Tue, May 23, 2023 at 10:11 PM Vineeth Remanan Pillai
<vineeth@xxxxxxxxxxxxxxx> wrote:
> Hi Luca,
> [...]
> Will send it out tomorrow after a bit more testing.
Sorry for the delay. I was trying to fix the inaccuracy when normal
and SCHED_FLAG_RECLAIM tasks are present. Its a bit complicated than
I initially thought as Umax_reclaim and Uextra needs to be computed
at the root domain level and this would mean more locking. I have a
patch ready but I think I need to do more testing to understand the
performance implications and it is better to batch it as a separate

So, I am just sending out the GRUB equation fix which is tested well
and I am confident about. Will send out rest of the fixes later as
a separate series.