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From: Pekka J Enberg <penberg@cs.helsinki.fi>
To: Eric Dumazet <dada1@cosmosbay.com>
Cc: Christoph Lameter <clameter@sgi.com>,
	linux-kernel@vger.kernel.org, linux-mm@kvack.org
Subject: Re: SLUB: Support for statistics to help analyze allocator behavior
Date: Tue, 5 Feb 2008 09:54:51 +0200 (EET)	[thread overview]
Message-ID: <Pine.LNX.4.64.0802050952300.16488@sbz-30.cs.Helsinki.FI> (raw)
In-Reply-To: <47A81513.4010301@cosmosbay.com>

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

  reply	other threads:[~2008-02-05  7:55 UTC|newest]

Thread overview: 16+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2008-02-05  6:20 Christoph Lameter
2008-02-05  7:24 ` Pekka J Enberg
2008-02-05  7:49   ` Eric Dumazet
2008-02-05  7:54     ` Pekka J Enberg [this message]
2008-02-05 18:08       ` Christoph Lameter
2008-02-05 18:55         ` Eric Dumazet
2008-02-05 19:07           ` Christoph Lameter
2008-02-05 18:05   ` Christoph Lameter
2008-02-05 20:20     ` Pekka Enberg
2008-02-05 21:58       ` Christoph Lameter
2008-02-05 22:19         ` Pekka J Enberg
2008-02-06  8:19 ` Andrew Morton
2008-02-06 19:01   ` Christoph Lameter
2008-02-06 21:00   ` SLUB: statistics improvements Christoph Lameter
2008-02-06 21:40     ` Eric Dumazet
2008-02-06 22:10       ` Christoph Lameter

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