From mboxrd@z Thu Jan 1 00:00:00 1970 Date: Tue, 5 Feb 2008 10:05:52 -0800 (PST) From: Christoph Lameter 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 Sender: owner-linux-mm@kvack.org Return-Path: To: Pekka J Enberg Cc: linux-kernel@vger.kernel.org, linux-mm@kvack.org List-ID: On Tue, 5 Feb 2008, Pekka J Enberg wrote: > 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 We could do that.... Any idea how to display that kind of information in a meaningful way. Parameter conventions for slabinfo? -- 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