On Tue, 22 Jul 2025 10:48:20 -0400 Steven Rostedt <rost...@goodmis.org> wrote:
> From: Steven Rostedt <rost...@goodmis.org> > > The trace events sched_move_numa, sched_swap_numa and sched_stick_numa are > only used when CONFIG_NUMA_BALANCING is enabled. Put an #ifdef guard > around the definitions of these trace events so they are not defined when > numa balancing is not enabled, otherwise they waste a bit of memory being > unused. > I just noticed that I already sent out a version of this patch here: https://lore.kernel.org/linux-trace-kernel/20250612100552.39672...@batman.local.home/ Which is a better version than this one. > Signed-off-by: Steven Rostedt (Google) <rost...@goodmis.org> > --- > include/trace/events/sched.h | 2 ++ > 1 file changed, 2 insertions(+) > > diff --git a/include/trace/events/sched.h b/include/trace/events/sched.h > index 4e6b2910cec3..51776b45549a 100644 > --- a/include/trace/events/sched.h > +++ b/include/trace/events/sched.h > @@ -628,6 +628,7 @@ TRACE_EVENT(sched_process_hang, > ); > #endif /* CONFIG_DETECT_HUNG_TASK */ > > +#ifdef CONFIG_NUMA_BALANCING > /* > * Tracks migration of tasks from one runqueue to another. Can be used to > * detect if automatic NUMA balancing is bouncing between nodes. > @@ -719,6 +720,7 @@ DEFINE_EVENT(sched_numa_pair_template, sched_swap_numa, > > TP_ARGS(src_tsk, src_cpu, dst_tsk, dst_cpu) > ); > +#endif /* CONFIG_NUMA_BALANCING */ > > #ifdef CONFIG_NUMA_BALANCING Because You can just remove the above two CPP directives. So please ignore this one. -- Steve > #define NUMAB_SKIP_REASON \