From: Christoph Lameter <cl@linux.com>
To: Ben Greear <greearb@candelatech.com>
Cc: Pekka Enberg <penberg@kernel.org>,
Marcin Slusarz <marcin.slusarz@gmail.com>,
Matt Mackall <mpm@selenic.com>,
LKML <linux-kernel@vger.kernel.org>,
rientjes@google.com, linux-mm@kvack.org
Subject: Re: [PATCH] slub: reduce overhead of slub_debug
Date: Thu, 7 Jul 2011 13:42:57 -0500 (CDT) [thread overview]
Message-ID: <alpine.DEB.2.00.1107071341120.21719@router.home> (raw)
In-Reply-To: <4E15FB3E.9050108@candelatech.com>
On Thu, 7 Jul 2011, Ben Greear wrote:
> The more painful you make it, the less likely folks are to use it
> in environments that actually reproduce bugs, so I think it's quite
> short-sighted to reject such performance improvements out of hand.
>
> And what if some production machine has funny crashes in a specific
> work-load....wouldn't it be nice if it could enable debugging and
> still perform well enough to do it's job?
Sure if there would be significant improvements that accomplish what
you claim above then that would be certainly worthwhile. Come up with
patches like that please.
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next prev parent reply other threads:[~2011-07-07 18:43 UTC|newest]
Thread overview: 22+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-06-26 19:39 Marcin Slusarz
2011-06-28 19:32 ` Christoph Lameter
2011-06-28 19:40 ` David Daney
2011-06-28 20:58 ` David Rientjes
2011-06-28 21:04 ` Ben Greear
2011-06-28 21:10 ` David Rientjes
2011-06-28 21:16 ` Dave Jones
2011-07-07 18:07 ` Pekka Enberg
2011-07-07 18:17 ` Christoph Lameter
2011-07-07 18:30 ` Ben Greear
2011-07-07 18:42 ` Christoph Lameter [this message]
2011-07-07 18:54 ` Ben Greear
2011-07-07 18:30 ` Matt Mackall
2011-07-07 18:52 ` Pekka Enberg
2011-07-07 18:55 ` Matt Mackall
2011-07-07 19:12 ` Christoph Lameter
2011-07-07 19:21 ` David Miller
2011-07-07 19:49 ` Pekka Enberg
2011-07-07 20:12 ` Christoph Lameter
2011-07-08 5:23 ` Andi Kleen
2011-07-08 17:41 ` Christoph Lameter
2011-07-08 5:38 ` Pekka Enberg
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