Re: [PATCH v3] tracing: Guard __DECLARE_TRACE() use of __DO_TRACE_CALL() with SRCU-fast

From: Steven Rostedt

Date: Thu Dec 11 2025 - 20:13:55 EST


On Thu, 11 Dec 2025 12:23:29 -0800
"Paul E. McKenney" <paulmck@xxxxxxxxxx> wrote:

> > Is there a reason to not make non-RT also benefit from SRCU fast and trace points for BPF? Can be a follow up patch though if needed.
>
> Because in some cases the non-RT benefit is suspected to be negative
> due to increasing the probability of preemption in awkward places.
>
> > Reviewed-by: Joel Fernandes <joelagnelf@xxxxxxxxxx>
>
> Thank you, and I will let Steven collect this one.
>

Sure. Note, I'll be working on this next week.

-- Steve