From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail202.messagelabs.com (mail202.messagelabs.com [216.82.254.227]) by kanga.kvack.org (Postfix) with ESMTP id AC9B08D0015 for ; Thu, 28 Oct 2010 09:47:40 -0400 (EDT) Date: Thu, 28 Oct 2010 09:47:24 -0400 From: Christoph Hellwig Subject: Re: 2.6.36 io bring the system to its knees Message-ID: <20101028134724.GB4416@infradead.org> References: <20101028090002.GA12446@elte.hu> <20101028133036.GA30565@elte.hu> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20101028133036.GA30565@elte.hu> Sender: owner-linux-mm@kvack.org To: Ingo Molnar Cc: Pekka Enberg , Aidar Kultayev , linux-kernel@vger.kernel.org, linux-mm@kvack.org, Linus Torvalds , Andrew Morton , Jens Axboe , Peter Zijlstra , Nick Piggin , Arjan van de Ven , Thomas Gleixner List-ID: On Thu, Oct 28, 2010 at 03:30:36PM +0200, Ingo Molnar wrote: > > Looks mostly VFS to me. Aidar, does killing Picasa make things smoother for you? > > If so, maybe the VFS scalability patches will help. > > Hm, but the VFS scalability patches mostly decrease CPU usage, and does that mostly > on many-core systems. If you have i_mutex contention they are not going to change anything. -- To unsubscribe, send a message with 'unsubscribe linux-mm' in the body to majordomo@kvack.org. For more info on Linux MM, see: http://www.linux-mm.org/ . Don't email: email@kvack.org