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Date: Sun, 13 Oct 2002 18:59:38 +1000
From: Anton Blanchard <anton@samba.org>
To: "Joseph D. Wagner" <wagnerjd@prodigy.net>
Cc: "'Rob Mueller'" <robm@fastmail.fm>,
       "'Mark Hahn'" <hahn@physics.mcmaster.ca>, linux-kernel@vger.kernel.org,
       "'Jeremy Howard'" <jhoward@fastmail.fm>
Subject: Re: Strange load spikes on 2.4.19 kernel
Message-ID: <20021013085938.GA23575@krispykreme>
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> I'll let you in on a dirty little secret.  The Linux file system does
> not utilize SMP.  That's right.  All file processes go through one and
> only one processor.  It has to do with the fact that the Linux kernel is
> a non-preemptive kernel.

My 24 way SMP disagrees with your analysis:

http://samba.org/~anton/linux/2.5.40/dbench/

Thats just ext2. dbench is a filesystem benchmark that is heavy on
inode/block allocation.

Please show us your profiles which show linux filesystems do not
utilise SMP.

Anton
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