From b0151c25548cacc50771a7930475727c6c8ee869 Mon Sep 17 00:00:00 2001 From: Peter Zijlstra Date: Fri, 14 Apr 2017 17:29:16 +0200 Subject: [PATCH] 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) Cc: Linus Torvalds Cc: Mike Galbraith Cc: Peter Zijlstra Cc: Thomas Gleixner Cc: linux-kernel@vger.kernel.org Signed-off-by: Ingo Molnar --- kernel/sched/topology.c | 12 +++++++++++- 1 file changed, 11 insertions(+), 1 deletion(-) diff --git a/kernel/sched/topology.c b/kernel/sched/topology.c index 6b10e0a956c7..3d50ee38b8fb 100644 --- a/kernel/sched/topology.c +++ b/kernel/sched/topology.c @@ -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");