From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S934195AbYD3WWj (ORCPT ); Wed, 30 Apr 2008 18:22:39 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1761619AbYD3WW3 (ORCPT ); Wed, 30 Apr 2008 18:22:29 -0400 Received: from 74-93-104-97-Washington.hfc.comcastbusiness.net ([74.93.104.97]:47837 "EHLO sunset.davemloft.net" rhost-flags-OK-FAIL-OK-OK) by vger.kernel.org with ESMTP id S1760603AbYD3WW3 (ORCPT ); Wed, 30 Apr 2008 18:22:29 -0400 Date: Wed, 30 Apr 2008 15:22:27 -0700 (PDT) Message-Id: <20080430.152227.23100100.davem@davemloft.net> To: mingo@elte.hu Cc: akpm@linux-foundation.org, torvalds@linux-foundation.org, rjw@sisk.pl, linux-kernel@vger.kernel.org, jirislaby@gmail.com Subject: Re: Slow DOWN, please!!! From: David Miller In-Reply-To: <20080430221936.GA27292@elte.hu> References: <20080430135405.ddc42075.akpm@linux-foundation.org> <20080430.142137.236846072.davem@davemloft.net> <20080430221936.GA27292@elte.hu> X-Mailer: Mew version 5.2 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: Ingo Molnar Date: Thu, 1 May 2008 00:19:36 +0200 > The same goes in the other direction as well - you were just hit by > scheduler tree related regressions that were only triggered on your > 128-way sparc64, but not on our 64way x86 and smaller boxes. You keep saying this over and over again, but the powerpc folks hit this stuff too.