From mboxrd@z Thu Jan 1 00:00:00 1970 From: "Chen, Kenneth W" Date: Fri, 17 Oct 2003 19:22:17 +0000 Subject: RE: [PATCH] fix topology initialization Message-Id: List-Id: References: In-Reply-To: MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit To: linux-ia64@vger.kernel.org Is there any libnuma code available somewhere (library, kernel patch, etc)? -----Original Message----- From: linux-ia64-owner@vger.kernel.org [mailto:linux-ia64-owner@vger.kernel.org] On Behalf Of Martin K. Petersen Sent: Friday, October 17, 2003 11:51 AM To: Christoph Hellwig Cc: davidm@hpl.hp.com; linux-ia64@vger.kernel.org Subject: Re: [PATCH] fix topology initialization >>>>> "Christoph" = Christoph Hellwig writes: >> I think this will provide some of the info that hwgfs provides, but >> not all. We still need a way to map PCI busses to nodes (or >> cpumasks, whatever makes sense) Matthew Dobson has worked on PCI affinity. I'm on the road this week and have not had a chance to test his latest patch on Altix yet. Christoph> We should have this in the topology API already in a Christoph> generic fashion. Do you need it in userland aswell? The tentative plan is to use libnuma to export the information to application developers. >> and a way to map nodes & busses to physical, rack mounted bricks. Christoph> Well, that's a SN-specific thing. But it could be Christoph> implemented similar to the current toplogy API. What do Christoph> you actually need this for? System administrator diagnostics. We'll need to do this with a set of SN2-specific utilities. -- Martin K. Petersen Silicon Graphics, Inc. mkp@sgi.com http://www.sgi.com/