From mboxrd@z Thu Jan 1 00:00:00 1970 Date: Mon, 11 Feb 2008 00:24:01 +0100 From: Nick Piggin Subject: Re: SLUB tbench regression due to page allocator deficiency Message-ID: <20080210232401.GA5621@wotan.suse.de> References: <20080209143518.ced71a48.akpm@linux-foundation.org> <20080210024517.GA32721@wotan.suse.de> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: Sender: owner-linux-mm@kvack.org Return-Path: To: Christoph Lameter Cc: Andrew Morton , Mel Gorman , linux-mm@kvack.org, Pekka J Enberg List-ID: On Sat, Feb 09, 2008 at 07:39:17PM -0800, Christoph Lameter wrote: > On Sun, 10 Feb 2008, Nick Piggin wrote: > > > What kind of allocating and freeing of pages are you talking about? Are > > you just measuring single threaded performance? > > What I did was (on an 8p, may want to tune this to the # procs you have): > > 1. Run tbench_srv on console > > 2. run tbench 8 from an ssh session OK, that's easy... You did it with an SMP kernel, right? (I only have a 8p NUMA, but I should be able to turn on cacheline interleaving and run an SMP kernel on it). -- 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