From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2997575AbdD1New (ORCPT ); Fri, 28 Apr 2017 09:34:52 -0400 Received: from bombadil.infradead.org ([65.50.211.133]:43000 "EHLO bombadil.infradead.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1162772AbdD1Ncg (ORCPT ); Fri, 28 Apr 2017 09:32:36 -0400 Message-Id: <20170428132502.601109484@infradead.org> User-Agent: quilt/0.63-1 Date: Fri, 28 Apr 2017 15:20:03 +0200 From: Peter Zijlstra To: mingo@kernel.org, lvenanci@redhat.com Cc: lwang@redhat.com, riel@redhat.com, efault@gmx.de, tglx@linutronix.de, linux-kernel@vger.kernel.org, peterz@infradead.org Subject: [PATCH 05/14] sched/topology,debug: Print the group mask References: <20170428131958.893188882@infradead.org> MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Disposition: inline; filename=peterz-sched-debug-topo-print-mask.patch Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org 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) --- 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");