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Code Issues Releases Wiki Activity

sched/debug: Print the scheduler topology group mask 

In order to determine the balance_cpu (for should_we_balance()) we need
the sched_group_mask() for overlapping domains.

Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Mike Galbraith <efault@gmx.de>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: linux-kernel@vger.kernel.org
Signed-off-by: Ingo Molnar <mingo@kernel.org>
This commit is contained in:
Peter Zijlstra 2017-04-14 17:29:16 +02:00 committed by Ingo Molnar
parent 91eaed0d61
commit b0151c2554
1 changed files with 11 additions and 1 deletions
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12
kernel/sched/topology.c
View File

@ -82,12 +82,22 @@ static int sched_domain_debug_one(struct sched_domain *sd, int cpu, int level,
printk(KERN_CONT " %*pbl",
cpumask_pr_args(sched_group_cpus(group)));
if ((sd->flags & SD_OVERLAP) && !cpumask_full(sched_group_mask(group))) {
printk(KERN_CONT " (mask: %*pbl)",
cpumask_pr_args(sched_group_mask(group)));
}
if (group->sgc->capacity != SCHED_CAPACITY_SCALE) {
printk(KERN_CONT " (cpu_capacity = %lu)",
printk(KERN_CONT " (cpu_capacity: %lu)",
group->sgc->capacity);
}
group = group->next;
if (group != sd->groups)
printk(KERN_CONT ",");
} while (group != sd->groups);
printk(KERN_CONT "\n");