Commit 9d9af237 authored by Ingo Molnar's avatar Ingo Molnar
Browse files

sched/smp: Use the SMP version of schedstats 



Simplify the scheduler by making CONFIG_SMP=y schedstats
debugging output unconditional.

Signed-off-by: default avatarIngo Molnar <mingo@kernel.org>
Acked-by: default avatarPeter Zijlstra <peterz@infradead.org>
Cc: Dietmar Eggemann <dietmar.eggemann@arm.com>
Cc: Juri Lelli <juri.lelli@redhat.com>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Mel Gorman <mgorman@suse.de>
Cc: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
Cc: Shrikanth Hegde <sshegde@linux.ibm.com>
Cc: Steven Rostedt <rostedt@goodmis.org>
Cc: Valentin Schneider <vschneid@redhat.com>
Cc: Vincent Guittot <vincent.guittot@linaro.org>
Link: https://lore.kernel.org/r/20250528080924.2273858-32-mingo@kernel.org
parent 02fb885e

kernel/sched/stats.c

+0 −4
Original line number Diff line number Diff line
@@ -115,10 +115,8 @@ static int show_schedstat(struct seq_file *seq, void *v) 
		seq_printf(seq, "timestamp %lu\n", jiffies);

	} else {

		struct rq *rq;

#ifdef CONFIG_SMP

		struct sched_domain *sd;

		int dcount = 0;

#endif

		cpu = (unsigned long)(v - 2);

		rq = cpu_rq(cpu);
@@ -133,7 +131,6 @@ static int show_schedstat(struct seq_file *seq, void *v) 


		seq_printf(seq, "\n");



#ifdef CONFIG_SMP

		/* domain-specific stats */

		rcu_read_lock();

		for_each_domain(cpu, sd) {
@@ -164,7 +161,6 @@ static int show_schedstat(struct seq_file *seq, void *v) 
			    sd->ttwu_move_balance);

		}

		rcu_read_unlock();

#endif /* CONFIG_SMP */

	}

	return 0;

}