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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

  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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