Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752179AbaBKMS0 (ORCPT ); Tue, 11 Feb 2014 07:18:26 -0500 Received: from terminus.zytor.com ([198.137.202.10]:46550 "EHLO terminus.zytor.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751105AbaBKMSD (ORCPT ); Tue, 11 Feb 2014 07:18:03 -0500 Date: Tue, 11 Feb 2014 04:17:31 -0800 From: tip-bot for Alex Shi Message-ID: Cc: linux-kernel@vger.kernel.org, alex.shi@linaro.org, hpa@zytor.com, mingo@kernel.org, peterz@infradead.org, tglx@linutronix.de Reply-To: mingo@kernel.org, hpa@zytor.com, alex.shi@linaro.org, linux-kernel@vger.kernel.org, peterz@infradead.org, tglx@linutronix.de In-Reply-To: <52E0F3BF.5020904@linaro.org> References: <52E0F3BF.5020904@linaro.org> To: linux-tip-commits@vger.kernel.org Subject: [tip:sched/core] sched: Add statistic for newidle load balance cost Git-Commit-ID: 37e6bae8395a94b4dd934c92b02b9408be992365 X-Mailer: tip-git-log-daemon Robot-ID: Robot-Unsubscribe: Contact to get blacklisted from these emails MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Content-Type: text/plain; charset=UTF-8 Content-Disposition: inline X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-4.5.1 (terminus.zytor.com [127.0.0.1]); Tue, 11 Feb 2014 04:17:37 -0800 (PST) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Commit-ID: 37e6bae8395a94b4dd934c92b02b9408be992365 Gitweb: http://git.kernel.org/tip/37e6bae8395a94b4dd934c92b02b9408be992365 Author: Alex Shi AuthorDate: Thu, 23 Jan 2014 18:39:54 +0800 Committer: Ingo Molnar CommitDate: Tue, 11 Feb 2014 09:58:18 +0100 sched: Add statistic for newidle load balance cost Tracking rq->max_idle_balance_cost and sd->max_newidle_lb_cost. It's useful to know these values in debug mode. Signed-off-by: Alex Shi Signed-off-by: Peter Zijlstra Link: http://lkml.kernel.org/r/52E0F3BF.5020904@linaro.org Signed-off-by: Ingo Molnar --- kernel/sched/core.c | 9 ++++++--- kernel/sched/debug.c | 1 + 2 files changed, 7 insertions(+), 3 deletions(-) diff --git a/kernel/sched/core.c b/kernel/sched/core.c index 3068f37..fb9764f 100644 --- a/kernel/sched/core.c +++ b/kernel/sched/core.c @@ -4811,7 +4811,7 @@ set_table_entry(struct ctl_table *entry, static struct ctl_table * sd_alloc_ctl_domain_table(struct sched_domain *sd) { - struct ctl_table *table = sd_alloc_ctl_entry(13); + struct ctl_table *table = sd_alloc_ctl_entry(14); if (table == NULL) return NULL; @@ -4839,9 +4839,12 @@ sd_alloc_ctl_domain_table(struct sched_domain *sd) sizeof(int), 0644, proc_dointvec_minmax, false); set_table_entry(&table[10], "flags", &sd->flags, sizeof(int), 0644, proc_dointvec_minmax, false); - set_table_entry(&table[11], "name", sd->name, + set_table_entry(&table[11], "max_newidle_lb_cost", + &sd->max_newidle_lb_cost, + sizeof(long), 0644, proc_doulongvec_minmax, false); + set_table_entry(&table[12], "name", sd->name, CORENAME_MAX_SIZE, 0444, proc_dostring, false); - /* &table[12] is terminator */ + /* &table[13] is terminator */ return table; } diff --git a/kernel/sched/debug.c b/kernel/sched/debug.c index 31b908d..f3344c3 100644 --- a/kernel/sched/debug.c +++ b/kernel/sched/debug.c @@ -321,6 +321,7 @@ do { \ P(sched_goidle); #ifdef CONFIG_SMP P64(avg_idle); + P64(max_idle_balance_cost); #endif P(ttwu_count); -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/