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Date: Tue, 15 Mar 2011 21:20:02 +0100
From: Jens Axboe <jaxboe@fusionio.com>
MIME-Version: 1.0
Subject: Re: memory caching
References: <C9A4E18A.10660%hussein@cscs.ch>
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To: "N. Harake" <hussein@cscs.ch>
Cc: "fio@vger.kernel.org" <fio@vger.kernel.org>

On 2011-03-15 09:27, N. Harake wrote:
> 
> I would like to disable completely the caching in memory, trying to
> measure real throughput read/write and iops on filesystem (not raw
> access).  Other than direct=1 is there any flag I could use to obtain
> such complete bypass caching?

direct=1 is the one to use, this controls whether you go through the
page cache or not.

-- 
Jens Axboe