From mboxrd@z Thu Jan 1 00:00:00 1970 Date: Tue, 5 Feb 2008 09:24:30 +0200 (EET) From: Pekka J Enberg Subject: Re: SLUB: Support for statistics to help analyze allocator behavior In-Reply-To: Message-ID: References: Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Transfer-Encoding: 7bit Sender: owner-linux-mm@kvack.org Return-Path: To: Christoph Lameter Cc: linux-kernel@vger.kernel.org, linux-mm@kvack.org List-ID: Hi Christoph, On Mon, 4 Feb 2008, Christoph Lameter wrote: > The statistics provided here allow the monitoring of allocator behavior > at the cost of some (minimal) loss of performance. Counters are placed in > SLUB's per cpu data structure that is already written to by other code. 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? Pekka -- 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