linux-kernel - Re: [PATCH 4/5] kmemtrace: SLUB hooks.

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Message-ID: <20080811155747.GC15331@redhat.com>
Date:	Mon, 11 Aug 2008 11:57:47 -0400
From:	"Frank Ch. Eigler" <fche@...hat.com>
To:	Christoph Lameter <cl@...ux-foundation.org>
Cc:	Steven Rostedt <rostedt@...dmis.org>,
	Pekka Enberg <penberg@...helsinki.fi>,
	Eduard - Gabriel Munteanu <eduard.munteanu@...ux360.ro>,
	mathieu.desnoyers@...ymtl.ca, linux-mm@...ck.org,
	linux-kernel@...r.kernel.org, rdunlap@...otime.net,
	mpm@...enic.com, tglx@...utronix.de
Subject: Re: [PATCH 4/5] kmemtrace: SLUB hooks.

Hi -

On Mon, Aug 11, 2008 at 10:48:29AM -0500, Christoph Lameter wrote:
> [...]
> AFAICT: Each test also adds an out of line call to the tracing facility.

Yes, but that call is normally placed out of the cache-hot path with unlikely().

- FChE
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