From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753371AbbIIHCx (ORCPT ); Wed, 9 Sep 2015 03:02:53 -0400 Received: from casper.infradead.org ([85.118.1.10]:58610 "EHLO casper.infradead.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751957AbbIIHCs (ORCPT ); Wed, 9 Sep 2015 03:02:48 -0400 Date: Wed, 9 Sep 2015 09:02:40 +0200 From: Peter Zijlstra To: byungchul.park@lge.com Cc: mingo@kernel.org, linux-kernel@vger.kernel.org Subject: Re: [RFC] sched: make update_cpu_load_active care more than one tick Message-ID: <20150909070240.GL3644@twins.programming.kicks-ass.net> References: <1439458524-14145-1-git-send-email-byungchul.park@lge.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <1439458524-14145-1-git-send-email-byungchul.park@lge.com> User-Agent: Mutt/1.5.21 (2012-12-30) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Thu, Aug 13, 2015 at 06:35:24PM +0900, byungchul.park@lge.com wrote: > From: Byungchul Park > > i found do_timer accounts other than one tick, so i made > update_cpu_load_active care that. > > is it intended because of its overhead? I think the idea was that the NO_HZ bits would deal with the other cases.