Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754662AbaJCVOX (ORCPT ); Fri, 3 Oct 2014 17:14:23 -0400 Received: from cassarossa.samfundet.no ([193.35.52.29]:54468 "EHLO cassarossa.samfundet.no" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750832AbaJCVOV (ORCPT ); Fri, 3 Oct 2014 17:14:21 -0400 Date: Fri, 3 Oct 2014 23:14:17 +0200 From: "Steinar H. Gunderson" To: Marc Burkhardt Cc: linux-kernel@vger.kernel.org Subject: Re: Slowdown due to threads bouncing between HT cores Message-ID: <20141003211417.GA17326@sesse.net> References: <20141003194428.GA27084@sesse.net> <20141003211152.GB3889@localhost> MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Disposition: inline In-Reply-To: <20141003211152.GB3889@localhost> X-Operating-System: Linux 3.16.3 on a x86_64 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 On Fri, Oct 03, 2014 at 11:11:52PM +0200, Marc Burkhardt wrote: > As I understand your mail, you problem is quite similar, isn't it? I guess it depends on how often your process migrates. If it happens, like, every second, it's not a big problem (and probably is expected). If it happens all the time, it might be; it depends a bit on a number of factors. /* Steinar */ -- Homepage: http://www.sesse.net/ -- 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/