Re: [PATCH] cpuidle: haltpoll: Only define guest_halt_poll_ns tracepoint when used

[Steven Rostedt]

On Thu, 22 Oct 2026 21:54:09 +0200
"Wysocki, Rafael J" <rafael.j.wysocki@xxxxxxxxx> wrote:

> On 10/22/2026 9:33 PM, Steven Rostedt wrote:
> > From: Steven Rostedt <rostedt@xxxxxxxxxxx>
> >
> > Tracepoints that are defined take up around 5K each, even if they are not
> > used. When a tracepoint is used only in code when a specific config is
> > enabled, their definition must also be only defined when the same config
> > is enabled otherwise it wastes memory.
> >
> > The tracepoint guest_halt_poll_ns is only used when CONFIG_CPU_IDLE_GOV_HALTPOLL
> > is enabled. Guard the definition of that tracepoint with the same config.
> >
> > Fixes: 0da11bf0cab90 ("cpuidle: haltpoll: Add trace points for guest_halt_poll_ns grow/shrink")
> > Signed-off-by: Steven Rostedt <rostedt@xxxxxxxxxxx>  
> 
> Acked-by: Rafael J. Wysocki <rafael.j.wysocki@xxxxxxxxx>
> 
> Thanks!

Want me to take this through my tree, or do you want to take it?

-- Steve