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Commit b0151c25 authored by Peter Zijlstra's avatar Peter Zijlstra Committed by Ingo Molnar
Browse files

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: default avatarPeter 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: default avatarIngo Molnar <mingo@kernel.org>
parent 91eaed0d

kernel/sched/topology.c

+11 −1
Original line number Diff line number Diff line
@@ -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");