From: Jens Axboe <axboe@kernel.dk>
To: "Georg Schönberger" <gschoenberger@thomas-krenn.com>
Cc: "fio@vger.kernel.org" <fio@vger.kernel.org>
Subject: Re: Print info if direct I/O is used
Date: Tue, 31 Jul 2012 20:48:35 +0200 [thread overview]
Message-ID: <50182883.7060204@kernel.dk> (raw)
In-Reply-To: <4FF456C1.9070200@thomas-krenn.com>
On 2012-07-04 16:44, Georg Schï¿œnberger wrote:
> Hi Jens,
>
> it would be nice if an information is printed out if direct I/O has been
> used:
> Instead of
> --------
> /usr/local/bin/fio --rw=write --direct=1 --name=usb --filename=/dev/sdb1
> usb: (g=0): rw=write, bs=4K-4K/4K-4K, ioengine=sync, iodepth=1
> --------
> I suggest
> --------
> /usr/local/bin/fio --rw=write --direct=1 --name=usb --filename=/dev/sdb1
> usb: (g=0): rw=write, bs=4K-4K/4K-4K, ioengine=sync, direct=1, iodepth=1
> --------
> So I can verify if the page cache has been used for a test when
> inspecting the output files.
I'll take a patch to add that :-)
--
Jens Axboe
prev parent reply other threads:[~2012-07-31 18:48 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-07-04 14:44 Print info if direct I/O is used Georg Schönberger
2012-07-31 18:48 ` Jens Axboe [this message]
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