Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752640AbbGTEsA (ORCPT ); Mon, 20 Jul 2015 00:48:00 -0400 Received: from lgeamrelo01.lge.com ([156.147.1.125]:56899 "EHLO lgeamrelo01.lge.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750949AbbGTEr7 (ORCPT ); Mon, 20 Jul 2015 00:47:59 -0400 X-Original-SENDERIP: 10.177.222.33 X-Original-MAILFROM: byungchul.park@lge.com Date: Mon, 20 Jul 2015 13:47:50 +0900 From: Byungchul Park To: Mike Galbraith Cc: mingo@kernel.org, peterz@infradead.org, linux-kernel@vger.kernel.org Subject: Re: [PATCH v3] sched: modify how to compute a slice and check a preemptability Message-ID: <20150720044750.GH3956@byungchulpark-X58A-UD3R> References: <1437297060-25378-1-git-send-email-byungchul.park@lge.com> <1437307034.3520.108.camel@gmail.com> <20150720003405.GG3956@byungchulpark-X58A-UD3R> <1437363758.3489.58.camel@gmail.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <1437363758.3489.58.camel@gmail.com> User-Agent: Mutt/1.5.21 (2010-09-15) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 895 Lines: 26 On Mon, Jul 20, 2015 at 05:42:38AM +0200, Mike Galbraith wrote: > On Mon, 2015-07-20 at 09:34 +0900, Byungchul Park wrote: > > > yes, i also think that a preemption granularity has little meaning, atually > > because of tick granularity. > > See HR_TICK. It's not cheap though, why it's default off. yes, i thought so. now, thank to you, i am assured. thank you, byungchul > > -Mike > > -- > 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/ -- 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/