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sched/debug: Hide printk() by default

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Dietmar accidentally added an unconditional sched domain printk. Hide
it behind the normal sched_debug flag.

Reported-by: Christian Borntraeger <borntraeger@de.ibm.com>
Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Acked-by: Christian Borntraeger <borntraeger@de.ibm.com>
Cc: Dietmar Eggemann <dietmar.eggemann@arm.com>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: linux-kernel@vger.kernel.org
Fixes: cd92bfd3b8 ("sched/core: Store maximum per-CPU capacity in root domain")
[ Fixed !SCHED_DEBUG build failure. ]
Signed-off-by: Ingo Molnar <mingo@kernel.org>
This commit is contained in:
Peter Zijlstra 2016-09-20 11:05:31 +02:00 committed by Ingo Molnar
parent 8bf46a39be
commit a18a579e5f
1 changed files with 3 additions and 1 deletions
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4
kernel/sched/core.c
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@ -5739,6 +5739,8 @@ static void sched_domain_debug(struct sched_domain *sd, int cpu)
}
}
#else /* !CONFIG_SCHED_DEBUG */
# define sched_debug_enabled 0
# define sched_domain_debug(sd, cpu) do { } while (0)
static inline bool sched_debug(void)
{
@ -7006,7 +7008,7 @@ static int build_sched_domains(const struct cpumask *cpu_map,
}
rcu_read_unlock();
if (rq) {
if (rq && sched_debug_enabled) {
pr_info("span: %*pbl (max cpu_capacity = %lu)\n",
cpumask_pr_args(cpu_map), rq->rd->max_cpu_capacity);
}