Re: [RFC PATCH V2 12/13] trace/kscand: Add tracing of scanning and migration

[Raghavendra K T]

On 6/24/2025 12:39 PM, Masami Hiramatsu (Google) wrote:
> On Tue, 24 Jun 2025 05:56:16 +0000
> Raghavendra K T <raghavendra.kt@xxxxxxx> wrote:
>
> > Add tracing support to track
> >   - start and end of scanning.
> >   - migration.
> >
> > CC: Steven Rostedt <rostedt@xxxxxxxxxxx>
> > CC: Masami Hiramatsu <mhiramat@xxxxxxxxxx>
> > CC: linux-trace-kernel@xxxxxxxxxxxxxxx
> >
> > Signed-off-by: Raghavendra K T <raghavendra.kt@xxxxxxx>
> > ---
> >   include/trace/events/kmem.h | 90 +++++++++++++++++++++++++++++++++++++
> >   mm/kscand.c                 |  8 ++++
> >   2 files changed, 98 insertions(+)
> >
> > diff --git a/include/trace/events/kmem.h b/include/trace/events/kmem.h
> > index f74925a6cf69..682c4015414f 100644
> > --- a/include/trace/events/kmem.h
> > +++ b/include/trace/events/kmem.h
> > @@ -9,6 +9,96 @@
> >   #include <linux/tracepoint.h>
> >   #include <trace/events/mmflags.h>
> >   
>
> Please make sure the event is not exposed when it is not used.
>
> #ifdef CONFIG_KSCAND
>
> Thank you,
[...]

Sure. Noted. Thank you :)