Re: [PATCH v5 26/29] sched/debug: Show the deadline bandwidth of each runqueue

From: Juri Lelli

Date: Fri Nov 13 2026 - 11:24:07 EST


On 13/11/26 08:36, Mathieu Desnoyers wrote:
> Hi Juri,
>
> > OK, but we will still not printing additional useful information like
> > extra_bw, etc. Not sure if you are aware of tools/sched/dl_bw_dump.py
> > drgn script; maybe that is already useful for the needed additional
> > debugging information?
>
> I did not know that script, thanks. It shows more than this patch does.
>
> The two lines are there for the selftests. params_waking and random_mix
> of deadline_bw_test read running_bw and this_bw of each CPU from
> /sys/kernel/debug/sched/debug. A selftest cannot rely on drgn and on
> the debug information of the running kernel.
>
> So I would keep the patch as it is. I would not add extra_bw: no test
> reads it, and your script has it.

Works for me, thanks.