[PATCH 05/14] sched/topology,debug: Print the group mask

From	Peter Zijlstra <peterz@infradead.org>
Newsgroups	linux.kernel
Subject	[PATCH 05/14] sched/topology,debug: Print the group mask
Date	2017-04-28 15:40 +0200
Message-ID	<tBehQ-7VW-27@gated-at.bofh.it> (permalink)
References	<tBehP-7VW-5@gated-at.bofh.it>
Organization	linux.* mail to news gateway

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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>
---
 kernel/sched/topology.c |   12 +++++++++++-
 1 file changed, 11 insertions(+), 1 deletion(-)

--- a/kernel/sched/topology.c
+++ b/kernel/sched/topology.c
@@ -82,12 +82,22 @@ static int sched_domain_debug_one(struct
 
 		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");

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[PATCH 05/14] sched/topology,debug: Print the group mask Peter Zijlstra <peterz@infradead.org> - 2017-04-28 15:40 +0200
  Re: [PATCH 05/14] sched/topology,debug: Print the group mask Rik van Riel <riel@redhat.com> - 2017-05-01 23:20 +0200

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