From: Mark Lord <liml@rtr.ca>
To: kallol@nucleodyne.com
Cc: linux-kernel@vger.kernel.org, linux-ide@vger.kernel.org
Subject: Re: Fwd: Re: Performance figure for sx8 driver
Date: Sun, 12 Jun 2005 12:30:08 -0400 [thread overview]
Message-ID: <42AC6310.7030809@rtr.ca> (raw)
In-Reply-To: <20050611021814.riaatwh8ztskw4g4@www.nucleodyne.com>
kallol@nucleodyne.com wrote:
>
>
> Hello Jeff,
> How did you verify that performance improved making the
> changes those
> you suggested?
>
> hdparm does not show it.
My hdparm tool performs a single I/O at a time,
disregarding any kernel read-ahead that may be added on.
As such, it won't often show the effects of queued commands
as well as some other test might.
Cheers
next prev parent reply other threads:[~2005-06-12 16:30 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2005-06-11 6:18 Fwd: Re: Performance figure for sx8 driver kallol
2005-06-12 16:30 ` Mark Lord [this message]
2005-06-12 17:43 ` Kallol Biswas
2005-06-13 3:39 ` Jeff Garzik
2005-06-27 1:11 ` Enabling MSI on SATAII150 Kallol Biswas
2005-06-27 3:54 ` Jeff Garzik
2005-08-20 6:19 ` Jeff Garzik
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