From mboxrd@z Thu Jan 1 00:00:00 1970 From: David Miller Subject: Re: [Bug #11308] tbench regression on each kernel release from 2.6.22 -> 2.6.28 Date: Mon, 17 Nov 2008 11:51:06 -0800 (PST) Message-ID: <20081117.115106.195071813.davem@davemloft.net> References: <20081117161135.GE12081@elte.hu> <20081117.113158.200497613.davem@davemloft.net> Mime-Version: 1.0 Content-Transfer-Encoding: 7bit Return-path: In-Reply-To: Sender: kernel-testers-owner-u79uwXL29TY76Z2rM5mHXA@public.gmane.org List-ID: Content-Type: Text/Plain; charset="us-ascii" To: torvalds-de/tnXTf+JLsfHDXvbKv3WD2FQJk+8+b@public.gmane.org Cc: mingo-X9Un+BFzKDI@public.gmane.org, dada1-fPLkHRcR87vqlBn2x/YWAg@public.gmane.org, rjw-KKrjLPT3xs0@public.gmane.org, linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, kernel-testers-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, cl-de/tnXTf+JLsfHDXvbKv3WD2FQJk+8+b@public.gmane.org, efault-Mmb7MZpHnFY@public.gmane.org, a.p.zijlstra-/NLkJaSkS4VmR6Xm/wNWPw@public.gmane.org From: Linus Torvalds Date: Mon, 17 Nov 2008 11:47:24 -0800 (PST) > For example, if I recall correctly, David had a big hit on the hrtimers. That got fixed, the HRTIMER bits are now disabled. > The other possibility is that it's just a sparc suckiness issue, that > simply doesn't show up on x86. Could be and I intend to measure that to find out. From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754189AbYKQTvU (ORCPT ); Mon, 17 Nov 2008 14:51:20 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1751845AbYKQTvJ (ORCPT ); Mon, 17 Nov 2008 14:51:09 -0500 Received: from 74-93-104-97-Washington.hfc.comcastbusiness.net ([74.93.104.97]:46627 "EHLO sunset.davemloft.net" rhost-flags-OK-FAIL-OK-OK) by vger.kernel.org with ESMTP id S1751681AbYKQTvI (ORCPT ); Mon, 17 Nov 2008 14:51:08 -0500 Date: Mon, 17 Nov 2008 11:51:06 -0800 (PST) Message-Id: <20081117.115106.195071813.davem@davemloft.net> To: torvalds@linux-foundation.org Cc: mingo@elte.hu, dada1@cosmosbay.com, rjw@sisk.pl, linux-kernel@vger.kernel.org, kernel-testers@vger.kernel.org, cl@linux-foundation.org, efault@gmx.de, a.p.zijlstra@chello.nl Subject: Re: [Bug #11308] tbench regression on each kernel release from 2.6.22 -> 2.6.28 From: David Miller In-Reply-To: References: <20081117161135.GE12081@elte.hu> <20081117.113158.200497613.davem@davemloft.net> X-Mailer: Mew version 6.1 on Emacs 22.1 / Mule 5.0 (SAKAKI) Mime-Version: 1.0 Content-Type: Text/Plain; charset=us-ascii Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Linus Torvalds Date: Mon, 17 Nov 2008 11:47:24 -0800 (PST) > For example, if I recall correctly, David had a big hit on the hrtimers. That got fixed, the HRTIMER bits are now disabled. > The other possibility is that it's just a sparc suckiness issue, that > simply doesn't show up on x86. Could be and I intend to measure that to find out.