From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1757513AbbJVQUi (ORCPT ); Thu, 22 Oct 2015 12:20:38 -0400 Received: from mail-wi0-f171.google.com ([209.85.212.171]:35384 "EHLO mail-wi0-f171.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1757204AbbJVQUh (ORCPT ); Thu, 22 Oct 2015 12:20:37 -0400 Date: Thu, 22 Oct 2015 18:20:33 +0200 From: Frederic Weisbecker To: byungchul.park@lge.com Cc: mingo@kernel.org, peterz@infradead.org, linux-kernel@vger.kernel.org, tglx@linutronix.de Subject: Re: [PATCH v4 2/2] sched: consider missed ticks in full NOHZ Message-ID: <20151022162031.GA28099@lerouge> References: <1444816056-11886-1-git-send-email-byungchul.park@lge.com> <1444816056-11886-3-git-send-email-byungchul.park@lge.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <1444816056-11886-3-git-send-email-byungchul.park@lge.com> User-Agent: Mutt/1.5.24 (2015-08-30) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Wed, Oct 14, 2015 at 06:47:36PM +0900, byungchul.park@lge.com wrote: > From: Byungchul Park > > Even though the cpu is non-idle when its tick is stoped in full NOHZ, > current "update_cpu_load" code considers as if the cpu has been idle > unconditionally. It's wrong. This patch makes the "update_cpu_load" > code know if the calling path comes from full NOHZ or idle NOHZ. > > Signed-off-by: Byungchul Park ACK. Thanks!