Re: [PATCH] sched_ext: Add trace point to track sched_ext core events

[Changwoo Min]

Hi Tejun,

On 25. 2. 27. 03:51, Tejun Heo wrote:
> Hello,
>
> On Wed, Feb 26, 2025 at 11:33:27PM +0900, Changwoo Min wrote:
> > Add tracing support, which may be useful for debugging sched_ext schedulers
> > that trigger a certain event.
> >
> > Signed-off-by: Changwoo Min <changwoo@xxxxxxxxxx>
> > ---
> >   include/trace/events/sched_ext.h | 21 +++++++++++++++++++++
> >   kernel/sched/ext.c               |  4 ++++
> >   2 files changed, 25 insertions(+)
> >
> > diff --git a/include/trace/events/sched_ext.h b/include/trace/events/sched_ext.h
> > index fe19da7315a9..88527b9316de 100644
> > --- a/include/trace/events/sched_ext.h
> > +++ b/include/trace/events/sched_ext.h
> > @@ -26,6 +26,27 @@ TRACE_EVENT(sched_ext_dump,
> >   	)
> >   );
> >   
> > +TRACE_EVENT(sched_ext_add_event,
> > +	    TP_PROTO(const char *name, int offset, __u64 added),
> > +	    TP_ARGS(name, offset, added),
>
> Can we do sched_ext_event with @delta? Otherwise, looks fine to me.
Sure, @delta is clearer. I will change it as suggested.

Regards,
Changwoo Min