Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1756573AbYBEHzE (ORCPT ); Tue, 5 Feb 2008 02:55:04 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1754044AbYBEHyy (ORCPT ); Tue, 5 Feb 2008 02:54:54 -0500 Received: from courier.cs.helsinki.fi ([128.214.9.1]:52288 "EHLO mail.cs.helsinki.fi" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753005AbYBEHyx (ORCPT ); Tue, 5 Feb 2008 02:54:53 -0500 Date: Tue, 5 Feb 2008 09:54:51 +0200 (EET) From: Pekka J Enberg To: Eric Dumazet cc: Christoph Lameter , linux-kernel@vger.kernel.org, linux-mm@kvack.org Subject: Re: SLUB: Support for statistics to help analyze allocator behavior In-Reply-To: <47A81513.4010301@cosmosbay.com> Message-ID: References: <47A81513.4010301@cosmosbay.com> 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 Content-Length: 628 Lines: 16 On Tue, 5 Feb 2008, Eric Dumazet wrote: > > Looks good but I am wondering if we want to make the statistics per-CPU so > > that we can see the kmalloc/kfree ping-pong of, for example, hackbench > > better? > > AFAIK Christoph patch already have percpu statistics :) Heh, sure, but it's not exported to userspace which is required for slabinfo to display the statistics. Pekka -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/