From: Peter Zijlstra <a.p.zijlstra@chello.nl>
To: Eric Dumazet <dada1@cosmosbay.com>
Cc: Allan Menezes <amenezes007@sympatico.ca>, linux-kernel@vger.kernel.org
Subject: Re: HPL Benchmark performance degradation of kernel 2.6.24.3 vs 2.6.23.14
Date: Sun, 02 Mar 2008 20:02:56 +0100 [thread overview]
Message-ID: <1204484576.6240.53.camel@lappy> (raw)
In-Reply-To: <47CAF675.7010305@cosmosbay.com>
On Sun, 2008-03-02 at 19:48 +0100, Eric Dumazet wrote:
> Examining your .config, I would point out CONFIG_SLUB_DEBUG=y
> You really should disable this expensive option.
CONFIG_SLUB_DEBUG_ON is the expensive one.
> (and possibly use CONFIG_SLAB instead of CONFIG_SLUB)
That is a good thing to test indeed.
next prev parent reply other threads:[~2008-03-02 19:03 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2008-03-02 5:34 HPL Benchmark performance degradation of kernel 2.6.24.3 vs 2.6.23.14 Allan Menezes
2008-03-02 18:48 ` Eric Dumazet
2008-03-02 19:02 ` Peter Zijlstra [this message]
2008-03-02 20:07 ` Roger Heflin
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