Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752549AbaAVIYV (ORCPT ); Wed, 22 Jan 2014 03:24:21 -0500 Received: from mail-pb0-f50.google.com ([209.85.160.50]:39033 "EHLO mail-pb0-f50.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751696AbaAVIYS (ORCPT ); Wed, 22 Jan 2014 03:24:18 -0500 Message-ID: <52DF802D.4030608@linaro.org> Date: Wed, 22 Jan 2014 16:24:13 +0800 From: Alex Shi User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:24.0) Gecko/20100101 Thunderbird/24.1.0 MIME-Version: 1.0 To: Jason Low CC: Ingo Molnar , Peter Zijlstra , morten.rasmussen@arm.com, vincent.guittot@linaro.org, daniel.lezcano@linaro.org, Mike Galbraith , wangyun@linux.vnet.ibm.com, Linux Kernel Mailing List Subject: Re: [PATCH 2/2] sched: add statistic for rq->max_idle_balance_cost References: <1390282399-17091-1-git-send-email-alex.shi@linaro.org> <1390282399-17091-2-git-send-email-alex.shi@linaro.org> In-Reply-To: Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 01/21/2014 03:43 PM, Jason Low wrote: > On Mon, Jan 20, 2014 at 9:33 PM, Alex Shi wrote: >> It's useful to track this value in debug mode. >> >> Signed-off-by: Alex Shi >> --- >> kernel/sched/debug.c | 1 + >> 1 file changed, 1 insertion(+) >> >> diff --git a/kernel/sched/debug.c b/kernel/sched/debug.c >> index 1e43e70..f5c529a 100644 >> --- a/kernel/sched/debug.c >> +++ b/kernel/sched/debug.c >> @@ -315,6 +315,7 @@ do { \ >> P(sched_goidle); >> #ifdef CONFIG_SMP >> P64(avg_idle); >> + p64(max_idle_balance_cost); > > Hi Alex, > > Does this need to be P64(max_idle_balance_cost)? > Ops, this letter lay in my Drafts box. Yes, thanks for fix! === >From 173417f3646ac1c6ac83809b51d0471591cbc8f0 Mon Sep 17 00:00:00 2001 From: Alex Shi Date: Tue, 21 Jan 2014 13:28:55 +0800 Subject: [RFC PATCH] sched: add statistic for rq->max_idle_balance_cost It's useful to track this value in debug mode. Signed-off-by: Alex Shi --- kernel/sched/debug.c | 1 + 1 file changed, 1 insertion(+) diff --git a/kernel/sched/debug.c b/kernel/sched/debug.c index 1e43e70..f5c529a 100644 --- a/kernel/sched/debug.c +++ b/kernel/sched/debug.c @@ -315,6 +315,7 @@ do { \ P(sched_goidle); #ifdef CONFIG_SMP P64(avg_idle); + P64(max_idle_balance_cost); #endif P(ttwu_count); -- 1.8.1.2 -- Thanks Alex -- 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/