linux-kernel - Re: SLUB: Support for statistics to help analyze allocator behavior

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Message-ID: <Pine.LNX.4.64.0802050952300.16488@sbz-30.cs.Helsinki.FI>
Date:	Tue, 5 Feb 2008 09:54:51 +0200 (EET)
From:	Pekka J Enberg <penberg@...helsinki.fi>
To:	Eric Dumazet <dada1@...mosbay.com>
cc:	Christoph Lameter <clameter@....com>, linux-kernel@...r.kernel.org,
	linux-mm@...ck.org
Subject: Re: SLUB: Support for statistics to help analyze allocator behavior

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
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